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CT660/CT680 Truck Circuit Diagrams SAFETY.CAT.COM UENR1839 July 2011

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Page 1: CT660/CT680 Truck Circuit Diagramsdiagramas.diagramasde.com/otros/diagrama de camion ct660 cat.pdf · CT660/CT680 Truck Circuit Diagrams SAFETY.CAT.COM UENR1839 July 2011. Review

CT660/CT680 Truck Circuit Diagrams

SAFETY.CAT.COM

UENR1839July 2011

csasser
Text Box
Review Copy 6/30/2011
Page 2: CT660/CT680 Truck Circuit Diagramsdiagramas.diagramasde.com/otros/diagrama de camion ct660 cat.pdf · CT660/CT680 Truck Circuit Diagrams SAFETY.CAT.COM UENR1839 July 2011. Review

Caterpillar and CAT are registered trademarks of Caterpillar, Inc., or its subsidiaries, in the United States and other countries.

All other trademarks are the property of their respective owners.

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TABLE OF CONTENTS

TABLE OF CONTENTS

SAFETY INFORMATION.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

CT660/CT680 CIRCUIT DIAGRAMS.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

UENR1839© July 2011 Caterpillar. All rights reserved.

I

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TABLE OF CONTENTS

ii UENR1839© July 2011 Caterpillar. All rights reserved.

Page 5: CT660/CT680 Truck Circuit Diagramsdiagramas.diagramasde.com/otros/diagrama de camion ct660 cat.pdf · CT660/CT680 Truck Circuit Diagrams SAFETY.CAT.COM UENR1839 July 2011. Review

SAFETY INFORMATION

SAFETY INFORMATION

IMPORTANT – Read the following before starting the service procedure.

The information contained in this International Service Manual Section was current at the time of printingand is subject to change without notice or liability.

You must follow your company safety procedures when you service or repair equipment. Be sure to understandall of the procedures and instructions before you begin work on the unit.

International uses the following types of notations to give warning of possible safety problems and to giveinformation that will prevent damage to the equipment being serviced or repaired.

WARNING

A warning indicates procedures that must be followed exactly. Personal injury orpossible death can occur if the procedure is not followed.

CAUTION

A caution indicates procedures that must be followed exactly. If the procedure is notfollowed, damage to equipment or components can occur.

NOTE – A note indicates an operation, procedure or instruction that is important for correct service.

Some procedures require the use of special tools for safe and correct service. Failure to use these specialtools when required can cause injury to service personnel or damage to vehicle components.

This service manual section is intended for use by professional technicians, NOT a “do-it-yourselfer.” It iswritten to inform these technicians of conditions that may occur on some vehicles, or to provide informationthat could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools,safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assumethat the service section applies to your vehicle. See your International Truck Dealer for information on whetherthis service section applies to your vehicle.

UENR1839© July 2011 Caterpillar. All rights reserved.

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SAFETY INFORMATION

2 UENR1839© July 2011 Caterpillar. All rights reserved.

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TABLE OF CONTENTS

CT660/CT680 CIRCUIT DIAGRAMS

Table of Contents

TABLE OF CONTENTS (CHAPTER 1). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9TABLE OF CONTENTS, P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9TABLE OF CONTENTS, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10TABLE OF CONTENTS, P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

INSTRUCTIONS AND CHARTS (CHAPTER 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12ABBREVIATIONS, P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12ACRONYMS, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13CIRCUIT DIAGRAM INSTRUCTIONS, P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14CIRCUIT NUMBER IDENTIFICATION AND COLOR, P. 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15CIRCUIT NUMBER IDENTIFICATION AND COLOR, P. 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16CIRCUIT NUMBER IDENTIFICATION AND COLOR, P. 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17LAMP BULB CHART, P. 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18RELAY FUNCTION AND WIRING GUIDE, P. 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19SCHEMATIC SYMBOL CHART, P. 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20SCHEMATIC SYMBOL CHART, P. 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21SCHEMATIC SYMBOL CHART, P. 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22SCHEMATIC SYMBOL CHART, P. 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23SCHEMATIC SYMBOL CHART, P. 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

12 VOLT POWER DISTRIBUTION (CHAPTER 3). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25BATTERY FEED, P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25BATTERY FEED, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26BATTERY FEED, P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27BATTERY FEED, P. 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28BATTERY FEED, P. 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29ACCESSORY FEED, P. 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30IGNITION FEED, P. 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31IGNITION FEED, P. 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32IGNITION FEED, P. 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33IGNITION FEED, P. 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34IGNITION FEED, P. 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35J1939 SPLICE PACK, P. 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36J1939 SPLICE PACK DATA LINK, P. 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37CAB J1939 DATA LINK, P. 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38CAB J1939 DATA LINK, P. 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39CAB J1939 DATA LINK, P. 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40DIAGNOSTIC DATA LINK 1386, P. 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41GROUND IP, P. 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42GROUND IP, P. 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43GROUND IP, P. 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44GROUND IP, P. 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45GROUND IP, P. 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46GROUND IP, P. 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47GROUND IP, P. 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48GROUND IP, P. 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49GROUND IP, P. 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50GROUND IP, P. 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51GROUND ENGINE, P. 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

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GROUND CHASSIS, P. 29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53GROUND CHASSIS, P. 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54GROUND CHASSIS, P. 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55GROUND CHASSIS, P. 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56GROUND CHASSIS, P. 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57GROUND TRAILER SOCKET, P. 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58FIVE VOLT SOURCE SPLICE PACK, P. 35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59ZERO VOLT SOURCE SPLICE PACK, P. 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60ISOLATED GROUND SPLICE PACK, P. 37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61PANEL LIGHT SPLICE ADAPTER 1, P. 38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62PANEL LIGHT SPLICE ADAPTER 2, P. 39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63PANEL LIGHT SPLICE ADAPTER 3, P. 40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

CAB ACCESSORIES (CHAPTER 4). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65CIGAR LIGHTER, P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65ELECTRIC WINDOW – RIGHT AND LEFT, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66HORN, P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67MIRROR LIGHTS AND HEATED MIRRORS, P. 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68LEFT AND RIGHT MOTORIZED MIRRORS, P. 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69RADIO CAB SPEAKERS, P. 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70ELECTRIC LOCK – RIGHT AND LEFT, P. 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71HEATED SEAT – DRIVER, P. 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72HEATED SEAT – PASSENGER, P. 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73POWER SOURCE (CB), P. 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

CHARGING AND CRANKING (CHAPTER 5). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75STARTER INTERLOCK, P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75STARTER INTERLOCK, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76STARTER SWITCH GROUND, P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

FAN WIRING (CHAPTER 6). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78FAN WIRING, P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78FAN WIRING, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

ENGINE SYSTEM (CHAPTER 7). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80ELECTRONIC ENGINE CONTROLS, P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80ELECTRONIC ENGINE CONTROLS, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81ELECTRONIC ENGINE CONTROLS, P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82ELECTRONIC ENGINE CONTROLS, P. 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83ELECTRONIC ENGINE CONTROLS, P. 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84ELECTRONIC ENGINE CONTROLS, P. 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85ELECTRONIC ENGINE CONTROLS, P. 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86ELECTRONIC ENGINE CONTROLS, P. 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87CRUISE CONTROL, P. 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88AFTERTREATMENT CONTROL, P. 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89AFTERTREATMENT CONTROL, P. 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

GAUGES AND WARNING LIGHTS (CHAPTER 8). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91GAUGES, P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91FUEL SENDER, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92AUTO XMSN TEMP SENDER, P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

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TABLE OF CONTENTS

LIGHTING SYSTEM (CHAPTER 9). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94TAIL LIGHT, STOP LIGHT, P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94TAIL LIGHT, STOP LIGHT, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95DOME LIGHT SWITCH, P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96DOME LIGHT, P. 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97MAP LIGHT, P. 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98DOOR COURTESY LIGHT, P. 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99FOG LIGHT, P. 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100HEAD LIGHT BUMPER, P. 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101PANEL LIGHTS, P. 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102TURN SIGNAL SWITCH, P. 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103LIGHTS – TURN LEFT, RIGHT W/DRL, P. 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104STOP, TAIL, TURN AND HAZARD SIGNAL W/FLASHER, P. 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105SPLICE PACK – LEFT, RIGHT TURN, STOP LIGHT, P. 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106TAIL/CLEARANCE SPLICE PACK, P. 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107BODY: TURN LEFT, RIGHT, MARKER STOP, P. 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108BODY: BACK UP AND TAIL LIGHT, P. 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109SUNSHADE CLEARANCE LIGHT, P. 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110TRAILER SOCKET: TURN LEFT, RIGHT, MARKER LIGHT, P. 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111WORK LIGHT, P. 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112BEACON LIGHT, P. 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113PANEL LIGHT AND MARKER INTERRUPT SWITCH, P. 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114HAZARD SWITCH, P. 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115HEAD LIGHT SWITCH, P. 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

CHASSIS ACCESSORIES (CHAPTER 10). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117AIR DRYER AND HEATED DRAIN VALVE, P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117ABS – BENDIX AIR, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118ABS – BENDIX AIR, P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119ABS – BENDIX AIR, P. 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120ABS – BENDIX AIR, P. 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121ABS ROLL OVER STABILITY, P. 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122ABS ROLL OVER STABILITY, P. 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123BODY BUILDER CONNECTIONS, P. 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124TRAILER SOCKET, P. 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125TRAILER CONNECTION, P. 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126DIFFERENTIAL WARNING LIGHTS, P. 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127DIFFERENTIAL WARNING LIGHTS, P. 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128WARNING PUMP, P. 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129FUEL HEATER, P. 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130AIR SWITCHES, P. 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

TRANSMISSION CONTROL MODULE (CHAPTER 11). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132ALLISON TRANSMISSION, P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132ALLISON TRANSMISSION, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133ALLISON TRANSMISSION, P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134ALLISON TRANSMISSION, P. 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135ALLISON XMSN W/O TRLR SKT, P. 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136EATON ULTRASHIFT GEN III TRANSMISSION, P. 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137EATON ULTRASHIFT GEN III TRANSMISSION, P. 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138EATON ULTRASHIFT GEN III TRANSMISSION, P. 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139CAT TRANSMISSION, P. 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140CAT TRANSMISSION, P. 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

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TABLE OF CONTENTS

CAT TRANSMISSION, P. 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142CAT TRANSMISSION, P. 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143CAT TRANSMISSION, P. 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144

HVAC (CHAPTER 12). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145AIR CONDITIONER – CAB, P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145HEATER – CAB, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146LOWERED HEATER – CAB, P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

CONNECTOR BODY COMPOSITES (CHAPTER 13). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148CONNECTOR COMPOSITES, P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148CONNECTOR COMPOSITES, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149CONNECTOR COMPOSITES, P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150CONNECTOR COMPOSITES (4M), (5F), (9M), P. 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151CONNECTOR COMPOSITES (2O), (23XX), (40M), (71), P. 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152CONNECTOR COMPOSITES (72), (73), (76M), P. 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153CONNECTOR COMPOSITES (100F), P. 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154CONNECTOR COMPOSITES (101), P.8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155CONNECTOR COMPOSITES (101A), (106F), (141F), P. 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156CONNECTOR COMPOSITES (161M), (162F), P. 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157CONNECTOR COMPOSITES (190), P. 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158CONNECTOR COMPOSITES (201M), (203), (227), (228), P. 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159CONNECTOR COMPOSITES (236), (236F), (254M), (267M), P. 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160CONNECTOR COMPOSITES (289F), (290F), (291F), (292F), P. 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161CONNECTOR COMPOSITES (294A), (294F), (303F), (303M), P. 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162CONNECTOR COMPOSITES (311), (312), (340), P. 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163CONNECTOR COMPOSITES (344), (345), (369), (370), P. 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164CONNECTOR COMPOSITES (371), (372M), (393), P. 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165CONNECTOR COMPOSITES (400), (401), (403), P. 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166CONNECTOR COMPOSITES (418), (421M), (422M), P. 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167CONNECTOR COMPOSITES (425M), (426), (427), P. 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168CONNECTOR COMPOSITES (428), (428F), P. 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169CONNECTOR COMPOSITES (429), (430), P. 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170CONNECTOR COMPOSITES (430), (433M), P. 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171CONNECTOR COMPOSITES (434M), (435M), (436M), P. 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172CONNECTOR COMPOSITES (438M), (440M), (441M), P. 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173CONNECTOR COMPOSITES (442M), (443), (443M), P. 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174CONNECTOR COMPOSITES (444M), (448M), (449M), P. 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175CONNECTOR COMPOSITES (450M), (451M), P. 29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176CONNECTOR COMPOSITES (452M), (453M), P. 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177CONNECTOR COMPOSITES (454M), (455M), P. 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178CONNECTOR COMPOSITES (456M), (457M), P. 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179CONNECTOR COMPOSITES (458M), (465M), P. 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180CONNECTOR COMPOSITES (471), P. 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181CONNECTOR COMPOSITES (480M), (481M), (482M), P. 35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182CONNECTOR COMPOSITES (483M), (503M), P. 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183CONNECTOR COMPOSITES (504M), (506M), P. 37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184CONNECTOR COMPOSITES (509M), (511M), (513M), P. 38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185CONNECTOR COMPOSITES (514M), (515M), P. 39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186CONNECTOR COMPOSITES (520), (521), (522), P. 40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187CONNECTOR COMPOSITES (523), (524), P. 41. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188CONNECTOR COMPOSITES (528), (529), (530), P. 42. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189CONNECTOR COMPOSITES (531), (540), (541), P. 43. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190

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CONNECTOR COMPOSITES (563M), (564M), (565M), P. 44. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191CONNECTOR COMPOSITES (566), (567M), (568), (569M), P. 45. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192CONNECTOR COMPOSITES (604), (640), (659), P. 46. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193CONNECTOR COMPOSITES (679F), (742F), (828), P. 47. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194CONNECTOR COMPOSITES (828), (851M), (873F), P. 48. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195CONNECTOR COMPOSITES (887), (950F), (958F), P. 49. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196CONNECTOR COMPOSITES (1001-M1), P. 50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197CONNECTOR COMPOSITES (1001-M2), (1001-M3), P. 51. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198CONNECTOR COMPOSITES (1001-M2), (1001-M3), P. 52. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199CONNECTOR COMPOSITES (1002-M1), P. 53. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200CONNECTOR COMPOSITES (1002-M2), (1002-M3), P. 54. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201CONNECTOR COMPOSITES (1002-M2), (1002-M3), P. 55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202CONNECTOR COMPOSITES (1003-M1), P. 56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203CONNECTOR COMPOSITES (1003-M2), (1003-M3), P. 57. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204CONNECTOR COMPOSITES (1003-M2), (1003-M3), P. 58. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205CONNECTOR COMPOSITES (1004-M1), P. 59. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206CONNECTOR COMPOSITES (1004-M2), (1004-M3), P. 60. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207CONNECTOR COMPOSITES (1004-M2), (1004-M3), P. 61. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208CONNECTOR COMPOSITES (1011), (1015), (1020), P. 62. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209CONNECTOR COMPOSITES (1021), (1025), P. 63. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210CONNECTOR COMPOSITES (1026), (1033), (1033M), P. 64. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211CONNECTOR COMPOSITES (1034M), (1034F), (1039), P. 65. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212CONNECTOR COMPOSITES (1040), (1042), (1043), P. 66. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213CONNECTOR COMPOSITES (1043), (1044), P. 67. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214CONNECTOR COMPOSITES (1045), (1046), (1047), P. 68. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215CONNECTOR COMPOSITES (1048), (1050M), P. 69. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216CONNECTOR COMPOSITES (1051F), (1054M), (1056M), P. 70. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217CONNECTOR COMPOSITES (1057), (1058M), (1059M), P. 71. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218CONNECTOR COMPOSITES (1060M), (1076), (1090), P. 72. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219CONNECTOR COMPOSITES (1095F), (1097F), (1099), P. 73. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220CONNECTOR COMPOSITES (1108), (1109M), P. 74. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221CONNECTOR COMPOSITES (1129M), (1130M), (1131M), P. 75. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222CONNECTOR COMPOSITES (1132M), (1133M), (1134M), P. 76. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223CONNECTOR COMPOSITES (1141), (1142), (1190), P. 77. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224CONNECTOR COMPOSITES (1192), (1194), P. 78. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225CONNECTOR COMPOSITES (1240), (1264), P. 79. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226CONNECTOR COMPOSITES (1266), (1267), P. 80. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227CONNECTOR COMPOSITES (1268), P. 81. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228CONNECTOR COMPOSITES (1284), (1331), (1332), P. 82. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229CONNECTOR COMPOSITES (1348), (1349), P. 83. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230CONNECTOR COMPOSITES (1350), (1360), P. 84. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231CONNECTOR COMPOSITES (1361), (1365), (1366), P. 85. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232CONNECTOR COMPOSITES (1368F), (1369), (1386), P. 86. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233CONNECTOR COMPOSITES (1402), (1403), (1404M), P. 87. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234CONNECTOR COMPOSITES (1406), (1407), (1408M), P. 88. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235CONNECTOR COMPOSITES (1409M), (1450), (1451), (1452M), (1461M), P. 89. . . . . . . . . . . . . . . . . . . . . . . 236CONNECTOR COMPOSITES (1701), P. 90. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237CONNECTOR COMPOSITES (1701F), P. 91. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238CONNECTOR COMPOSITES (1805), (1811), (1812), (1813), P. 92. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239CONNECTOR COMPOSITES (1814), (1815), (1874B), (2300), P. 93. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240CONNECTOR COMPOSITES (4327), (4327L), (4327R), P. 94. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241CONNECTOR COMPOSITES (4328), (4450BM), (4450M), P. 95. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242CONNECTOR COMPOSITES (4460BM), (4460M), (4950), P. 96. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243

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CONNECTOR COMPOSITES (6018), P. 97. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244CONNECTOR COMPOSITES (6019), P. 98. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245CONNECTOR COMPOSITES (6033), (6200), P. 99. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246CONNECTOR COMPOSITES (6260VH), (6260VL), (6260VM), (6260VN), P. 100. . . . . . . . . . . . . . . . . . . . . . 247CONNECTOR COMPOSITES (6420), (6703), (6704B), P. 101. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248CONNECTOR COMPOSITES (6706), (6707), (6720), P. 102. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249CONNECTOR COMPOSITES (6720), (6720A), (6720B), P. 103. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250CONNECTOR COMPOSITES (6730), (7105), P. 104. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251CONNECTOR COMPOSITES (7110), (7500W), (7600), P. 105. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252CONNECTOR COMPOSITES (7905), (8000), P. 106. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253CONNECTOR COMPOSITES (8165), (8200), (8410), P. 107. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254CONNECTOR COMPOSITES (8802), (8805), (8806), P. 108. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255CONNECTOR COMPOSITES (8807), (8809), (9001), P. 109. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256CONNECTOR COMPOSITES (9001A), (9002), (9003), (9003B), P. 110. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257CONNECTOR COMPOSITES (9100), (9101), (9109A), (9254), P. 111. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258CONNECTOR COMPOSITES (9255), (9256), (9260), (9261), P. 112. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259CONNECTOR COMPOSITES (9260), (9260A), (9261), P. 113. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260CONNECTOR COMPOSITES (9261A), (9303A), P. 114. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261CONNECTOR COMPOSITES (9501), (9502), (9503), (9504), P. 115. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262CONNECTOR COMPOSITES (9510A), (9510B), (9512C), (9514F), P. 116. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263CONNECTOR COMPOSITES (9718A), (9719), (9720), P. 117. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264CONNECTOR COMPOSITES (9761F), (9763), P. 118. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265CONNECTOR COMPOSITES (9764), (9765), (9779F), P. 119. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266CONNECTOR COMPOSITES (9779FB), (9780M), (9780MB), P. 120. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267CONNECTOR COMPOSITES (9811), (9812), (9814), P. 121. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268CONNECTOR COMPOSITES (9815), (9900A), (9924), P. 122. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269

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CT660/CT680 CIRCUIT DIAGRAMS

TABLE OF CONTENTS (CHAPTER 1)

TABLE OF CONTENTS, P. 1

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

TABLE OF CONTENTS (CONT)

CHAPTER 1

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067052 002- - INITIAL RELEASE. A 77636F

ELECTRICAL CIRCUIT DIAGRAM FOR CT660/CT680

SUBJECT SHEETCHAPTER 7 (AE08067058) - ENGINE SYSTEM ELECTRONIC ENGINE CONTROLS 1- 9 AFTERTREATEMENT CONTROL 10-11

CHAPTER 8 (AE08067059) - GAUGES AND WARNING LIGHTS GAUGES 1 FULE SENDER 2 TRANSMISSION OIL TEMPERATURE GAUGE, AXLE FORWARD-REAR AND REAR-REAR TEMPERATURE GAUGE 3

CHAPTER 9 (AE08067060) - LIGHTING SYSTEM TAIL LIGHT, STOP LIGHT 1-2 DOME LIGHT 3-4 MAP LIGHT 5 DOOR COURTESY LIGHT 6 FOG LIGHT 7 HEAD LIGHT BUMPER 8 PANEL LIGHTS 9 TURN SIGNAL SWITCH 10 TURN LEFT, RIGHT W/DRL 11 STOP, TAIL, TURN AND HAZARD SIGNAL W/FLASHER 12 SPLICE PACK LEFT-,RIGHT TURN, STOP LIGHT 13 TAIL / CLEARANCE SPLICE PACK 14 BODY TURN LEFT ,RIGHT,MARKER,STOP LIGHT 15-16 SUNSHADE CLEARANCE LIGHT 17 TRAILER SOCKET:TURN LEFT, RIGHT,MARKER LIGHT 18 WORK LIGHT 19 BEACON LIGHT 20 PANEL LIGHT & MARKER INTERRUPT SWITCH 21 HAZARD SWITCH 22 HEAD LIGHT SWITCH 23

CHAPTER 10 (AE08067061) - CHASSIS ACCESSORIES AIR DRYER & HEATED DRAIN VALVE 1 ABS - BENDIX AIR 2 - 5 ABS ROLL OVER STABILITY 6 - 7

BODY BUILDER CONNECTIONS 8 TRAILER SOCKET 9 - 10

DIFFERENTIAL WARMING LIGHTS 11 - 12 WASHER PUMP 13 FUEL HEATER 14 AIR SWITCHES 15

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CT660/CT680 CIRCUIT DIAGRAMS

TABLE OF CONTENTS, P. 2

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

TABLE OF CONTENTS (CONT)

CHAPTER 1

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067052 002- - INITIAL RELEASE. A 77636F

ELECTRICAL CIRCUIT DIAGRAM FOR CT660/CT680

SUBJECT SHEETCHAPTER 7 (AE08067058) - ENGINE SYSTEM ELECTRONIC ENGINE CONTROLS 1- 9 AFTERTREATEMENT CONTROL 10-11

CHAPTER 8 (AE08067059) - GAUGES AND WARNING LIGHTS GAUGES 1 FULE SENDER 2 TRANSMISSION OIL TEMPERATURE GAUGE, AXLE FORWARD-REAR AND REAR-REAR TEMPERATURE GAUGE 3

CHAPTER 9 (AE08067060) - LIGHTING SYSTEM TAIL LIGHT, STOP LIGHT 1-2 DOME LIGHT 3-4 MAP LIGHT 5 DOOR COURTESY LIGHT 6 FOG LIGHT 7 HEAD LIGHT BUMPER 8 PANEL LIGHTS 9 TURN SIGNAL SWITCH 10 TURN LEFT, RIGHT W/DRL 11 STOP, TAIL, TURN AND HAZARD SIGNAL W/FLASHER 12 SPLICE PACK LEFT-,RIGHT TURN, STOP LIGHT 13 TAIL / CLEARANCE SPLICE PACK 14 BODY TURN LEFT ,RIGHT,MARKER,STOP LIGHT 15-16 SUNSHADE CLEARANCE LIGHT 17 TRAILER SOCKET:TURN LEFT, RIGHT,MARKER LIGHT 18 WORK LIGHT 19 BEACON LIGHT 20 PANEL LIGHT & MARKER INTERRUPT SWITCH 21 HAZARD SWITCH 22 HEAD LIGHT SWITCH 23

CHAPTER 10 (AE08067061) - CHASSIS ACCESSORIES AIR DRYER & HEATED DRAIN VALVE 1 ABS - BENDIX AIR 2 - 5 ABS ROLL OVER STABILITY 6 - 7

BODY BUILDER CONNECTIONS 8 TRAILER SOCKET 9 - 10

DIFFERENTIAL WARMING LIGHTS 11 - 12 WASHER PUMP 13 FUEL HEATER 14 AIR SWITCHES 15

10 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

TABLE OF CONTENTS, P. 3

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR INC.

RELEASE NO. SHEETPART NO.DATE

TABLE OF CONTENTS (CONT)

CHAPTER 1

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067052 003- - INITIAL RELEASE. A 77636F

ELECTRICAL CIRCUIT DIAGRAM FOR T660/CT680

SUBJECT SHEETCHAPTER 11 (AE08067062) - TRANSMISSION CONTROL MODULE ALLISON TRANSMISSION 1 - 4 ALLISON TRANSMISSION W/O TRLR CKT 5 EATON ULTRASHIFT GEN III TRANSMISSION 6 - 8 CAT TRANSMISSION 9 - 13

CHAPTER 12 (AE08067063) - HVAC AIR CONDITIONER - CAB 1 HEATER - CAB 2 LOWERED HEATER - CAB 3

CHAPTER 13 (AE08067064) - CONNECTOR BODY COMPOSITES - MATING VIEW SHOWN 1 - 122

UENR1839© July 2011 Caterpillar. All rights reserved.

11

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CT660/CT680 CIRCUIT DIAGRAMS

INSTRUCTIONS AND CHARTS (CHAPTER 2)

ABBREVIATIONS, P. 1

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

ABBREVIATIONS

CHAPTER 2

CIRCUIT DIAGRAM, C-660, C68023074097

19MAY1177636F AE08067053 001- - INITIAL RELEASE. A 77636F

ABBREVIATION DESCRIPTION ABBREVIATION DESCRIPTION ABBREVIATION DESCRIPTIONACCESS ACCESSORY CUR CURRENT PRESS PRESSUREAC AIR CONDITIONING DPNL DASHPANEL RAD RADIOAIR CLNR AIR CLEANER DFTR DEFLECTOR RR REARALT ALTERNATOR DFR DEFROSTER RLY RELAYAC ALTERNATING CURRENT DEG DEGREE RES RESISTORAFTR AFTERTREATMENT DIAG DIAGRAM R RIGHTAMM AMMETER DSL DIESEL RTR ROTORAMP AMPERE DIFF DIFFERENTIAL SNSR SENSORAMP HR AMPERE HOUR DIMR DIMMER SHLD SHIELDAMPL AMPLIFIER ELEC ELECTRICAL SHFT SHIFTERARM ARMATURE ELEX ELECTRONICS SLPR SLEEPERARSR ARRESTER ENG ENGINE SLV SLEEVEASSY ASSEMBLY EXH EXHAUST SPKR SPEAKERAUX AUXILIARY FL FLUID SPR SPRINGB/U BACK-UP FWD FORWARD STD STANDARDBTRY BATTERY FR FRONT STRG STEERINGBM BENCHMARKING FREQ FREQUENCY STLITE SATELLITEBLK BLOCK GA GAUGE SUNSH SUNSHADEBOOS BOOSTER GEN GENERATOR SW SWITCHBOT BOTTOM GND GROUND SYS SYSTEMBK BRAKE HARN HARNESS TACH TACHOMETERBRKR BREAKER HDLP HEADLAMP TEMP TEMPERATUREBRTHR BREATHER HTD HEATED TERM TERMINALBRI BRIGHT HT TR HEAT TREAT THROT THROTTLEBUZ BUZZER HTR HEATER THRU THROUGHCA CABLE HP HORSEPOWER TRLR TRAILERCD CANDELA HYD HYDRAULIC XDCR TRANSDUCERCP CANDLEPOWER ID IDENTIFICATION XFER TRANSFERCAP CAPACITOR IGN IGNITION XFMR TRANSFORMERCAT CATERPILLAR ILLUM ILLUMINATION XSTR TRANSISTORCHAS CHASSIS IND INDICATOR XMSN TRANSMISSIONCH CHOKE INST INSTRUMENT XMTR TRANSMITTERCIRC CIRCUIT INT INTERMITTENT TRK TRUCKCLK CLOCK L LEFT UPR UPPERCW CLOCKWISE LT LIGHT VLV VALVECLSTR CLUSTER LTR LIGHTER VERT VERTICALCL CLUTCH LWR LOWER VM VOLTMETERCOL COLUMN MAG MAGNET VOL VOLUMECOMM COMMUTATOR MOD MODULATOR WSHR WASHERCMPNT COMPONENT MDL MODULE WHL WHEELCPRSR COMPRESSOR MOT MOTOR WDO WINDOWCONN CONNECT MTD MOUNTED WSHLD WINDSHIELDCONT CONTINUED NEG NEGATIVE WPR WIPERCSL CONSOLE N/ NOT WITH W/ WITHCONT CONTACT NO. NUMBER W/O WITHOUTCONT CONTROL PASS PASSENGERCONV CONVERTER POSN POSITIONCLR COOLER POS POSITIVECTSY COURTESY POT POTENTIOMETERCRUS CRUISE PWR POWER

12 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

ACRONYMS, P. 2

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR

RELEASE NO. SHEETPART NO.DATE

ACRONYMS

CHAPTER 2

CIRCUIT DIAGRAM, C-660, C68023074097

19MAY1177636F AE08067053 002- - INITIAL RELEASE. A 77636F

DESCRIPTION ACRONYMANTILOCK BRAKING SYSTEM ABSANTENNA COMMUNICATION UNIT ACUALTERNATING CURRENT ACAXLE TO BACK OF CAB ACAXLE TO FRAME AFACCELERATOR PEDAL MODULE APMACCELERATOR POSITION SENSOR APSAUXILIARY POWER UNIT APUAUTOMATIC TRACTION CONTROL ATCAUDIO VIDEO INTERFACE AVIBRAKE HORSEPOWER BHPBACK OF CAB BOCCITIZEN BAND CBCOLD CRANKING AMPERES CCACLEAN POWER ELECTRICAL CONNECTOR CECCAB OVER ENGINE COEDIRECT CURRENT DCDRIVER CONTROL MODULE DCMDIGITAL DATA LINK DDLDIESEL OXIDATION CATALYST INLETTEMPERATURE DOCT

DIESEL PARTICULATE FILTER DPFDIESEL TURBOCHARGED DTDAY TIME RUNNING LIGHTS DTRLELECTRONIC CONTROL MODULE ECMELECTRONIC CONTROL UNIT ECUEXHAUST GAS RECIRCULATION EGREXHAUST GAS TEMPERATURE EGTELECTRO MAGNETIC INTERFACE EMIEND OF FRAME EOFELECTRIC TRAILER BRAKE ETBFRONT AXLE FAFRONT END FEFRONT OF DASH FODFULL POWER BRAKE FPBGLOBAL POSITIONING SYSTEM GPSHYDRAULIC CONTROL UNIT HCUHEAVY DUTY HDHEAVY DUTY DIESEL HDDHIGH PERFORMANCE TRUCK HPTHEATING, VENTILATION, ANDAIR CONDITIONING HVAC

DESCRIPTION ACRONYMINJECTOR DRIVE MODULE IDMINPUT/OUTPUT I / OINTEGRATED MOBILECOMMUNICATIONS TERMINAL IMCT

INSTRUMENT PANEL I/PINDEPENDENT POWER TAKE-OFF IPTOLIGHT COMMERCIAL TRANSMISSION LCTMEDIUM DUTY MDMALFUNCTION INDICATION LAMP MILMULTIPLEX SWITCH MODULE MSMPYROMETER AMMETER MODULE PAMPROGRAMMABLE LOGIC CONTROLLER PLCPOWER TAKE-OFF PTOPULSE WIDTH MODULATION PWMREAR AXLE RARADIO FREQUENCY RFROLL STABILITY PROGRAMM RSPSEVERE SERVICE SSTRANSMISSION CONTROL MODULE TCMTERRESTRIAL COMMUNICATION UNIT TCUTERRESTRIAL MOBILECOMMUNICATIONS TERMINAL TMCT

THERMAL OVERCRANK PROTECTION TOCPTHROTTLE POSITION SENSOR TPSVEHICLE INTERFACE MODULE VIMZERO VOLT REFERENCE ZVR

UENR1839© July 2011 Caterpillar. All rights reserved.

13

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CT660/CT680 CIRCUIT DIAGRAMS

CIRCUIT DIAGRAM INSTRUCTIONS, P. 3

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF caterpillar, INC.

RELEASE NO. SHEETPART NO.DATE

CIRCUIT DIAGRAM INSTRUCTIONS

CHAPTER 2

CIRCUIT DIAGRAM, C-660, C68023074097

19MAY1177636F AE08067053 003- - INITIAL RELEASE. A 77636F

A

A - SWITCH AND RELAY POSITIONS AS SHOWN ON CIRCUIT DIAGRAMS INDICATE NORMAL POSITION WITH IGNITION OFF UNLESS OTHERWISE NOTED.

SUFFIX BEGINNING WITH G INDICATESA GROUND CIRCUIT

B

F - CIRCUIT "11" DENOTES ANY COMMON GROUND (MORE THAN ONE CIRCUIT).ANY INDIVIDUAL GROUND CIRCUIT IS IDENTIFIED WITH THAT PARTICULAR CIRCUIT NUMBER.(E.G. CIRCUIT 32 CRUISE CONTROL IS IDENTIFIED AS PER EXAMPLE)

NOTE: FOR CIRCUIT DESCRIPTION OTHER THAN GROUNDS NEITHER THE LETTER "G" NOR THE COLOR WHITE SHALL BE USED

AND/OR

A

11-G11-GA11-GB

B - MULTIPLE CONNECTIONS ARE DISPLAYED ON SCHEMATIC AS SHOWN WITH R/D NUMBER & CAVITY NUMBER. REFER TO CONNECTOR COMPOSITE FOR MORE INFORMATION

A128

INDIVIDUAL GROUNDCIRCUIT NUMBER

SINGLE IN-LINE CONNECTORS DISPLAYED AS SHOWN BELOW WITHOUT R/D NUMBER

RELAY - SUPPRESSEDSWITCH,MECHANICAL

12-A

E - SWITCHES, RELAYS AND COMPONENTS INDICATE EXTERNAL WIRE CONNECTIONS AND / OR INTERNAL CONNECTIONS OR CONTACTS.

D - MULTIPLE CIRCUIT NUMBERS ON A LINE INDICATE ONE CIRCUIT DISTRIBUTING CURRENT TO TWO CIRCUITS.

R32-GR32-GAR32-GB

C - PHANTOM LINES INDICATE PRINTED CIRCUITS OR BUSSED CIRCUITS. THESE CIRCUITS EXIST IN THE INSTRUMENT CLUSTER AND FUSE / CIRCUIT BREAKER CONNECTORS.

20A

LOCATION

LOCATION / CIRCUIT NUMBERWIRE GAUGE / WIRE COLOR

COMMON GROUNDCIRCUIT NUMBER

F1

B

SOLENOID

D B AC

SPLICE

SUFFIX BEGINNING WITH G INDICATESA GROUND CIRCUIT

KEY SWITCH(1101M)

A C

IGN

B

ACC

D

S

BATT

INTERNALCONNECTION

OFF

VOLTMETERPRINTED CIRCUIT IN INSTRUMENTCLUSTER

+

-LOCATION INFUSE / CIRCUITBREAKERCONNECTION

FUSE RATING

A12 A12A EXTERNAL WIRE CONNECTIONS

20AF18

BA

F19

WIRE CONNECTION

20A

85

30

87

86

87A

16RD

16WH

PIGTAIL

A B

20AF2

A B

BODY CONTROLLER(1602)

BUSSED CONTACT

CAVITY NUMBERR/D NUMBERCAVITY NUMBER

12

R/D NUMBER

14 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CIRCUIT NUMBER IDENTIFICATION AND COLOR, P. 4

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 2CIRCUIT NUMBER IDENTIFICATION AND COLOR

CIRCUIT DIAGRAM, C-660, C680 -23074097

19MAY1177636F AE08067053 004- - INITIAL RELEASE. A 77636F

CIRCUITNUMBER COLOR DESCRIPTION

1 LTBL ALTERNATOR - FIELD2 RD ALTERNATOR - CHARGE

3DKBL SERIAL / DATA COMMUNICATION J1587 / J1708 (+)

GY SERIAL / DATA COMMUNICATION J1587 / J1708 (-)

4DKBL SERIAL / DATA COMMUNICATION J1922 (+)

GY SERIAL / DATA COMMUNICATION J1922 (-)

5YL SERIAL / DATA COMMUNICATION J1939/11 / J1939/15 (+)GN SERIAL / DATA COMMUNICATION J1939/11 / J1939/15 (-)

6 GY LOW VOLTAGE ELECTRONIC FEED (LESS THAN 9 VOLTS)7 RD ALTERNATOR - RESISTANCE89 GY LOW VOLTAGE ELECTRONIC GROUND

10 WH CHASSIS / ENGINE GROUND11 WH CAB / SLEEPER GROUND12 LTBL ACCESSORY FEED

13PK IGNITION FEEDBK IGNITION FEED (BODY BUILDER CONNECTOR)

14 RD BATTERY FEED15 RD KEY SWITCH FEED1617 PK STARTER CONTROL18 PK GLOW PLUG / PREHEATER19 GY ENGINE SHUTDOWN20 LTGN REMOTE POWER MODULE21 TN COLD START CONTROLS (ETHER)22 TN TIRE PRESSURE MONITORING / CONTROL23 TN ENGINE FAN / SHUTTERS24 GY ENGINE EXHAUST BRAKE25 TN PYROMETER26 TN AMMETER27 TN VOLTMETER28 TN INSTRUMENTS AND GAUGES29 TN ENGINE WATER TEMPERATURE30 TN ENGINE OIL TEMPERATURE31 TN TRANSMISSION OIL TEMPERATURE32 TN AXLE OIL TEMPERATURE33 TN ENGINE OIL LEVEL34 TN COOLANT LEVEL35 TN ENGINE OIL PRESSURE36 TN FUEL LEVEL37 TN FUEL PUMP38 GY LIFT AXLE39 GY AIR DRYER HEATER40 GY LOW AIR PRESSURE WARNING

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CIRCUIT NUMBER IDENTIFICATION AND COLOR, P. 5

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 2CIRCUIT NUMBER IDENTIFICATION AND COLOR (CONT)

CIRCUIT DIAGRAM, C-660, C68023074097

19MAY1177636F AE08067053 005- - INITIAL RELEASE. A 77636F

CIRCUITNUMBER

COLOR DESCRIPTION

41 TN AIR TEMPERATURE42 GY FRONT AXLE ENGAGED43 GY POWER DIVIDER LOCK (PDL) WARNING44 GY PARK BRAKE WARNING45 LTGN ANTITHEFT WARNING46 GY POWER TAKEOFF WARNING47 GY SPEEDOMETER48 GY TACHOMETER49 GY DIFFERENTIAL LOCK WARNING50 YL LIGHT SWITCH FEED51 YL DIMMER SWITCH FEED52 YL HEADLIGHT HI - BEAM53 YL HEADLIGHT LO - BEAM54 BN PARKING / MARKER LIGHTS55 OR TURN SIGNAL - FEED

56OR TURN SIGNAL LIGHTS - LEFTYL TURN SIGNAL LIGHTS - LEFT (BODY BUILDER CONNECTION)

57OR TURN SIGNAL LIGHTS - RIGHT

LTGN TURN SIGNAL LIGHTS - RIGHT (BODY BUILDER CONNECTION)58 BN CLEARANCE / IDENTIFICATION LIGHTS59 GY SOLENOID60 OR HAZARD LIGHTS61 GY AIR SUSPENSION62 DKBL PANEL LIGHTS63 DKBL COURTESY / DOME LIGHTS64 YL FOG / DRIVING LIGHTS65 OR CAB REAR FLOOD LIGHTS66 YL DAYTIME RUNNING LIGHT67 GY OBSTACLE AVOIDANCE / REMOTE SENSOR68 BN TAIL LIGHTS69 BN LICENSE PLATE LIGHT

70OR STOP LIGHTSRD STOP LIGHTS (BODY BUILDER CONNECTION)

71OR BACKUP - LIGHTS

LTBL BACKUP - LIGHTS (BODY BUILDER CONNECTION)72 OR TRAILER AUXILIARY FEED - BATTERY73 LTGN PWM74 LTGN HEATER RECIRC MOTOR75 LTGN HEATER BLOWER MOTOR76 LTGN AUXILIARY FAN77 LTGN AIR CONDITIONER78 LTGN MIRRORS - HEATED, MOTORIZED79 GY SEAT BELTS80 BK SLEEPER BOX RELAY - FEED

16 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CIRCUIT NUMBER IDENTIFICATION AND COLOR, P. 6

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 2CIRCUIT NUMBER IDENTIFICATION AND COLOR (CONT)

CIRCUIT DIAGRAM, C-660, C68023074097

19MAY1177636F AE08067053 006- - INITIAL RELEASE. A 77636F

PREFIX LOCATIONA CAB - INSTRUMENT PANEL MODULEB CAB - DRIVER CONTROL MODULEC CAB - HEADER / CLEARANCE LIGHTSD CAB - ROOF / REAR PANELE CAB - LEFT DOOR / DOORSF CAB - RIGHT DOOR / DOORSH CAB - SLEEPERJ CAB - DASH (OUTSIDE)K ENGINE / RADIATORL TRANSMISSIONM CHASSIS / FRONT END (CAB DASH PANEL FORWARD)N CHASSIS / CENTER SECTION (CAB DASH PANEL TO CAB REAR XMBR)P CHASSIS / WHEEL BASE SECTIONR CHASSIS / SUSPENSION / REAR AXLE / AXLESS CHASSIS / AF SECTION / STOP / TAIL / TURN LIGHTST TRAVEL DOORSU HOOD MTD HEADLIGHTS / MARKER LIGHTSV SLEEPER ROOF / BACK PANEL WIRINGW WARDROBE CABINET WIRING

CIRCUITNUMBER COLOR DESCRIPTION

81 LTGN POWER DOOR LOCKS82 GY WINDSHIELD WIPER83 LTGN POWER WINDOWS84 LTGN CIGAR LIGHTER85 GY HORN86 LTGN RADIO - ENTERTAINMENT / CLOCK87 GY WINDSHIELD WASHER88 LTGN CLOCK / HOURMETER89 VT AIR BAG90 GY HYDRAULIC BRAKE PUMP91 VT INTERCOMMUNICATION92 TN TRANSMISSION CONTROLS - ELECTRONICS93 TN AXLE SHIFT CONTROL94 GY ANTILOCK BRAKE SYSTEM95 TN EXHAUST EMISSION96 YL SNOW PLOW LIGHTS / CRUISE CONTROLS97 VT ENGINE CONTROLS - ELECTRONIC98 BK DATALINK AND DIAGNOSTICS99 VT ACCELERATOR POSITION SENSOR (APS)100 GY AIR HORN (ELECTRIC SOLENOID ACTUATED)101 TN BRAKE APPLICATION AIR102 YL FLASH TO PASS103 LTGN BODY BUILDER AUXILIARY FEED104 DKBL REMOTE START / STOP105 LTGN HEATED SEATS106 OR HIGH VOLTAGE ALTERNATOR AC CHARGE107 GY INSTRUMENT CLUSTER ELECTRONIC FEED (5V)108 GY BRAKE PAD WEAR SENSOR109 GY BRAKE STROKE / SLACK ADJUSTER110 GY INSTRUMENT CLUSTER ELECTRONIC GROUND111 TN FUEL FILTER RESTRICTION TRANSDUCER112 GY LIFT GATE

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

LAMP BULB CHART, P. 7

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

LAMP BULB CHART

CHAPTER 2

CIRCUIT DIAGRAM, C-660, C68023074097

19MAY1177636F AE08067053 007- - INITIAL RELEASE. A 77636F

BULB APPLICATION CANDLE POWER OR WATT BULB TRADE NUMBER

BACK-UP LIGHT 32 CP GE1156CLEARANCE & IDENTIFICATION 3 CP GE168COURTESY LIGHT 21 CP 1142DOME LIGHTS 21 CP 1142FOG LIGHT 100 WATT 4921-1LOW BEAMS 55 WATT GE9007HIGH BEAMS 65 WATT GE9007CIGAR LIGHTER 1 CP 1455GAUGE BACKLIGHT 2 CP 194GAUGE WARNING LED (RED) 2 CP 194COLD AMBIENT PROTECTION LED (RED) 2 CP 194FUEL FILTER LED (YELLOW) 2 CP 194WARN ENGINE LED (YELLOW) 2 CP 194STOP ENGINE LED (RED) 2 CP 194BRAKE PRESSURE LED 2 CP 194CHECK TRANSMISSION LED 2 CP 194TRAILER ABS LED 2 CP 194LEFT TURN SIGNAL LED (GREEN) 2 CP 194TRACTION CONTROL LED (GREEN) 2 CP 194WATER IN FUEL LED (YELLOW) 2 CP 194PARK FLUID LED (RED) 2 CP 194CHECK ELECTRICAL SYSTEM LED (YELLOW) 2 CP 194PARK BRAKE LED (RED) 2 CP 194CRUISE CONTROL ACTIVE LED (YELLOW) 2 CP 194ANTILOCK BRAKING SYSTEM LED (YELLOW) 2 CP 194RIGHT TURN LED (GREEN) 2 CP 194COOLANT LEVEL LED (RED) 2 CP 194SEAT BELT LED (RED) 2 CP 194HIGH BEAM ICON LED (BLUE) 2 CP 194CHECK AIR CONDITIONER LED (YELLOW) 2 CP 82S272109-4MAP LIGHT 3 CP 1816SIDE MARKER - 2548STOP & TURN/TAIL & LICENSE PLATE 32/3 CP 3157TURN SIGNAL/MARKER (FENDER) 32/3 CP 3157TURN SIGNAL & MARKER LIGHT - 2356WORK (TRAILER HOOK) 35 WATT 4411BACK-UP LIGHTS-UPPER AND LOWER BUNK READING LIGHT 15 CP 1003CABINET / WARDROBE LIGHT 5 WATT 7575UNDER BUNK LIGHT 21 CP / 2 (12CP) 577 / 211ACCENT LIGHT 2 (12CP) 211DOME LIGHT 15 WATT F15T8-CWSLEEPER FLOOR LIGHT 4 CP W5WHEATER AND AIR CONDITIONER CONTROL 3 CP 168LUGGAGE COMPARTMENT LIGHT 6 CP 99READING LIGHT 15 CP 1003

18 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

RELAY FUNCTION AND WIRING GUIDE, P. 8

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

RELAY FUNCTION AND WIRING GUIDE

CHAPTER 2

CIRCUIT DIAGRAM, C-660, C68023074097

19MAY1177636F AE08067053 008- - INITIAL RELEASE. A 77636F

87A

5

87A

85

MICRO - 280 (1)

RELAY VIEWED FROM INSERTION END

1

86

85

4

87A

30

MINIATURE - 280 (1)

87

MICRO - ISO (1)

3

NORMALLY CLOSEDCONTACT

87

RELAY SCHEMATIC

2

86

8530

85

ENERGIZING COIL

ENERGIZING COIL

87

87

3

87

30

87

NORMALLY CLOSEDCONTACT

4

COMMON CONTACT

1

86

2

30

30

85

NORMALLY OPENCONTACT

85

MICRO - 4 PIN (1)

ENERGIZING COIL

86

MINI MICRO - 4 PIN (2)

NORMALLY OPENCONTACT

85

30

30

COMMON CONTACT

MINIATURE - ISO (1)

87

5

86

ENERGIZING COIL

NOTES :1. RELAY CONTAINS A 680 OHM SUPPRESSION RESISTOR2. RELAY CONTAINS A 1000 OHM SUPPRESSION RESISTOR

87A

86

86

UENR1839© July 2011 Caterpillar. All rights reserved.

19

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CT660/CT680 CIRCUIT DIAGRAMS

SCHEMATIC SYMBOL CHART, P. 9

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

SCHEMATIC SYMBOL CHARTCHAPTER 2

CIRCUIT DIAGRAM, C-660, C68023074097

19MAY1177636F AE08067053 009- - INITIAL RELEASE. A 77636F

BATTERY

DIODE, LIGHT EMITTING

FUSE

CIRCUIT BREAKER

FAN SOLENOID

ALTERNATOR

AMMETER

BUSBAR

ALARM

AIR DRYERCIGAR LIGHTER

SYMBOL DESCRIPTION SYMBOL DESCRIPTION

A B

G B

R

-+

-+

B

A

C

DIODE

A

TYPE 2 OR 3

B

A

TYPE 1

B

FEMALE TERMINALBLUNT CUT CIRCUIT

20 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

SCHEMATIC SYMBOL CHART, P. 10

SCHEMATIC SYMBOL CHART (CONT)

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 2

CIRCUIT DIAGRAM, C-660, C68023074097

19MAY1177636F AE08067053 010- - INITIAL RELEASE. A 77636F

SYMBOL DESCRIPTION SYMBOL DESCRIPTION

HEATER

FUSIBLE LINK

GROUND W/ STUD

GROUND N/ STUD

HORN

KEY SWITCH

LIGHT W/ SWITCH

LIGHT, DOUBLE FILAMENT

LIGHT, SINGLE FILAMENT

HOLDER, FUSE W/ BUSBAR

A

S

DB

BATT

C

KEY SWITCH,COMPLEX

B

S

F A EC

FUSES W/ BUSBAR

AS

AI

OFF

AS

OFF

I I

OFF OFF

IS

A

OFFACCIGN

UENR1839© July 2011 Caterpillar. All rights reserved.

21

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CT660/CT680 CIRCUIT DIAGRAMS

SCHEMATIC SYMBOL CHART, P. 11

SCHEMATIC SYMBOL CHART (CONT)

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF cTERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 2

CIRCUIT DIAGRAM, C-660, C68023074097

19MAY1177636F AE08067053 011- - INITIAL RELEASE. A 77636F

87

MOTOR

RELAY, FIVETERMINAL

86

30

85

RELAY, FOUR TERMINAL

30

87A

86

85

87

SYMBOLSYMBOL DESCRIPTIONDESCRIPTION

PASS THRU CONNECTION

PRESSURE SWITCH

B1

RESISTOR

SENDER - FUEL,OIL, TEMP, WATER

SENSOR, PRESSURE. ABS 6

RELAY, LATCHING

B2

SOLENOID

SENSOR, MAGNETIC

SENSOR, YAW

SOLENOID W/ DIODE

MALE TERMINAL

B

C

A

22 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

SCHEMATIC SYMBOL CHART, P. 12

SCHEMATIC SYMBOL CHART (CONT)

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF Cterpillar, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 2

CIRCUIT DIAGRAM, C-660, C68023074097

19MAY1177636F AE08067053 012- - INITIAL RELEASE. A 77636F

SWITCH, MECHANICAL(NORMALLY OPEN)

SPEAKER

START MOTOR W/ TOCP

SYMBOLSYMBOL DESCRIPTIONDESCRIPTION

SPLICE

STUD

SWITCH, MECHANICAL(NORMALLY CLOSED)

VALVE, ETHER BOTTLE

THERMOSTAT

SWITCH, PUSHBUTTON

VALVE, MODULATOR

A

B

C

TERMINATING RESISTORC

12

0O

HM

S

A

THERMISTOR

A

B

B

M

S

A

S

B

S

G

B

UENR1839© July 2011 Caterpillar. All rights reserved.

23

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CT660/CT680 CIRCUIT DIAGRAMS

SCHEMATIC SYMBOL CHART, P. 13

SCHEMATIC SYMBOL CHART (CONT)

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 2

CIRCUIT DIAGRAM, C-660, C68023074097

20MAY1177636F AE08067053 013- - INITIAL RELEASE. A 77636F

SYMBOL DESCRIPTION

2

104

3

(BLUE LED)

5

9

6

(REDLED)

7

1

8

CRUISESET / RESUME

SWITCH,PANEL LIGHT

DIMMER

SYMBOL DESCRIPTION

2

104

3

(BLUE LED)

5

9

6

(REDLED)

7

1

8

HEADLIGHT SWITCH

5 6

9

1

(REDLED)

8

2

(BLUE LED)

3

7

410

DOME LIGHT SWITCH

24 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

12 VOLT POWER DISTRIBUTION (CHAPTER 3)

BATTERY FEED, P. 1

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 3BATTERY FEED

A4

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 001- - INITIAL RELEASE. A 77636F

A14HC10RD

A14HB10RD

A14HA10RD

A14EA14RD

A14KC14RD

A14KC14RD

B2 BATTERYSTUD(51F)

A14KB14RD

A14KD14RD

A14KA14RD

BATTERY FEEDF11

(1004)M2CH3_005

CAB POWER1374

B1 BATTERYSTUD(55F)

BATTERY GROUND

FUSES F7(1003)M3CH3_003

+ -

K14A

2R

D

K142RD

2RD

BATTERY

ACCESSORY FEEDRELAY

(1003)M1CH3_006

MEGA FUSE200A

CAB POWER1373

BATTERY FEEDFUSE F10(1004)M3CH3_004

A14W8RD

A14BJ14RD

A14EB14RD

A14A10RD

A14B10RD

A14C10RD

A14D10RD

IGNITION FEEDRELAY #1(1004)M1CH3_007

IGNITION FEEDRELAY #2(1004)M1

CH3_007

A14F6RD

IGNITION FEEDRELAY

(1001)M2CH3_007

BATTERY FEED FUSE F5

1002-M2CH3_002

A14H8RD

A14K6RD

UENR1839© July 2011 Caterpillar. All rights reserved.

25

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CT660/CT680 CIRCUIT DIAGRAMS

BATTERY FEED, P. 2

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 03BATTERY FEED (CONT)

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 002- - INITIAL RELEASE. A 77636F

G4

20A

H3

XMSN CONTROL(101)

CH11_004,005

20A

A3

20A

(F5-D)

BODY L TURNRELAY(1002)

CH9_015

H4

20A

E3

FUSE (F5-G)(1002-M2)

B3

(F5-M)

(F5-H)

BODY R TURNRELAY(1002)

CH9_015

F4

A4

G3

(F5-C)

BODY STOPRELAY(1002)

CH9_015

10A

(F5-L)

F3

BODY TAIL RELAY(1001)

CH9_016E4

B4

30A

FUSE(1002)M2

BODY MARKERRELAY(1002)

CH9_015

A70BBV14RD

A54BBV14BN

A54BBV14BN

A14HB10RD

A14HA10RD

B1,BATTERY STUD

(55F)

A56BBV140R

A57BBV140R

A68BBV14BN

A92C16TN

A92C18TN

(A1

4H

A)

(A

14

HB

)

A14H8RD

26 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

BATTERY FEED, P. 3

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

BATTERY FEED (CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 003- - INITIAL RELEASE. A 77636F

B2,BATTERY STUD

(51F)

A54VT12BN

A86V18LGTN

A14FB10RD

A94VT12GY

A57VT12OR

A70E100R

A14FC10RD

A7510LTGN

A75A14LTGN

A70B14OR

A56VT12OR TRAILER L TURN RELAY

(1001)CH9_018

B2

A56VT120R

TRAILER MARKER RELAY (1001)CH9_018

RADIO1(426)CH4_006

ABS TRAILER RELAY(1001)CH10_010

TRAILER STOP RELAY(1001)CH9_001

TRAILER R TURN RELAY(1001)CH9_018

BLOWER MOTOR(483M)CH12_003

STOP LIGHT RELAY(1001)CH9_001

BODY ACCCESSORY RELA(1001)CH9_016

G3

30A

20A

F3

B4

(F7-H)

FUSE(1003)M3

20A H3(F7-C)

(F7-J)

F2

30A

(F7-L)

E2

H2

15A

(F7-F)

20A

G2

A2

(F7-B)

15A

A1

(F7-K)

E1 F1

15A

(F7-E)

15A

G1 H1

(F7-A)

A14FD10RD

A60HA16OR

A60HB16OR

A60HB160R

A71BBV16LTBL

A12BBV14LTBL

5A

20A

20A

E3

F4

(F7-G)

(F7-M)

A4

G4

H4

E4

(F7-D)

MAIN CONTROL RELAY(1002)CH12_002

HAZARD LIGHT SWITCH(1408M)CH9_022

BODY BACK UP LIGHT(1001)CH9_016

FUSE(1003)M3

A14F6RD

A14FA10RD B1

(A1

4F

D)

(A1

4F

C)

(A14F

B)

(A14F

A)

FUSE(1003)M3

FUSE(1003)M3

B3A3

UENR1839© July 2011 Caterpillar. All rights reserved.

27

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CT660/CT680 CIRCUIT DIAGRAMS

BATTERY FEED, P. 4

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 3BATTERY FEED (CONT)

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 004- - INITIAL RELEASE. A 77636F

A14A10RD G1

(F10-A)

H1

F1

20A

A94P12GY

A83V12LTGN

POWER WINDOW RELAY(1002)CH4_002

(F10-E)

B2 BATTERY STUD(51F)

E1

A14W8RD

AB6-6 ECU CONN1(1348)CH10_00230A

FUSE (1004) M3

(A14

A)

A14CL16RD

B1A1

CLUSTER CONN J1(421)CH9_0095A

A97DL14VTB2A2

DIAGNOSTIC DATA LINK(1386)CH3_01720A

(F10-J)

(F10-K)A14B10RD

A81V18LTGN

(F10-B)

G2

(A14

B)

15A

POWER DOOR LOCK RELAY(1002-M1)CH4_007

A8516GY

(F10-F)

E2F2

HORN RELAY(1002-M1)CH4_003

15A

G3 H3

(F10-C)

15A

A6316DKBL RIGHT POWER WINDOW

(1033)CH9_006

A14C10RD

E3 15A

A39V18GY

AIR DRYER RELAY(1002)CH10_001

(A1

4C

)

(F10-G)

FUSE (1004) M3

F3

A63A18DKBL

B310A

A5018YL

(F10-L)

HEAD LIGHT SWITCH(465M)CH9_023

A3

A68V10BNE4

A63E18DKBL

(F10-D)

F4

(F10-H)

G4 H4

A14D10RD A4

(F10-M)

A50A18YL

10AB4

15A

30A

A63D18DKBL ROOF CONN 1

(429)CH9_005

TAIL LIGHT RELAY(1003)CH9_002

FUSE (1004) M3

H2

(A14D

)

FUSE(1004)M3

28 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

BATTERY FEED, P. 5

CHAPTER 3BATTERY FEED (CONT)

(F11-D)

25AF1

(F11-E)

B1 BATTERYSTUD (55F)

POWER SOURCE 2(482M)CH4_010

(F11-C)

A4

F2

10A

FUSE(1004) M2

A1

(F11-J)

STOP SWITCH(640)CH9_013

(F11-K)

G3 15A

FUSE(1004) M2

B1

CIGAR LIGTER(1090M)CH4_001

(F11-A)

G4

H3

20A

FUSE(1004) M2

B2

AC CONTROL RELAY(1002)CH12_001

POWER SOURCE RECEPTACLE(481M)CH4_010

E3

20A

(F11-G)

FUSE(1004) M2

A2

DRL(513M)CH9_011

TURN/HARARD FLASHER(480M)CH9_012

20A

F3

G2

(F11-B)

15A

G1

LOW BEAM RELAY(1003)CH9_008

A3

H2

(F11-M)

(F11-F)

25A

E1

H1

WORK LIGHT SWITCH(441M)CH9_019

B3

E2

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CIRCUIT DIAGRAM, C-660, C68023066710

22JUN1177636F AE08067054 005- - INITIAL RELEASE. A 77636F

A14KA14RD

A14K6RD

A14KB14RD

A86K14LTGN

A55V120R

A5114YL

A65V160R

J

A8414LTGN

A77T14LTGN

A66A14YLA66A14YL

A10218GY

A1516RD

A14KC14RD

A14KC14RD

A14KD14RD

A86M14LTGN

(A1

4K

D)

(A1

4K

A)

25A

5A

(A1

4K

C)

15A

(A1

4K

B)

A7012DR

A7012OR

FRONT END CONN(1M)

UENR1839© July 2011 Caterpillar. All rights reserved.

29

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CT660/CT680 CIRCUIT DIAGRAMS

ACCESSORY FEED, P. 6

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

ACCESSORY FEED

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 006- - INITIAL RELEASE. A 77636F

START SWITCHCONNECTOR

(40M)

A1516RD

A3

A1

218L

TB

L

GROUND SPLICEPACK 7(452M)

B1 BATTERY STUD(55F)

ACCESSORYRELAY

(1003)M1

FUSE(1002)M3F4-J1

A D

ACC

C

OFF

B

S IGN

BATT

(A1

4K

D)

86

85

30

87

E1

20A H1

(F4-E)

(A1

2A

D)A1

15A

B115A

G1

F1

FOG LIGHT RELAY(1003)CH9_007

(F4-A)

RADIO 1(426)CH4_006

POWER MIRROR SWITCH(254M)CH4_005

A6414YL

A8618LTGN

A78V20LTGN

A86F16LTGN

F2

POWER WINDOW RELAY(1002-M1)CH4_002

A12BBC18LTBL

(F4-F)

(F4-B)

5A5A

BODY ACCESSORY RELAY(1003)CH9_016

(A1

2A

E)

H2

20A

E2 5A

G2

ROOF CONNECTOR(429)CH9_020

A2

A12C18LTBL

B4 B3

A4

FUSE(1004)M2

F11-D

A14BJ14RD

A1

4W

8R

D

RIGHT SIDE CAB GROUND STUD

(53F)

A1

4K

6R

DA

14K

D14R

D

FUSE(1002)M3F4-K

B2

25AG4

F11-M

A12-GR18LTBL

A

G

A1

1-G

B8W

HA

11

-GB

B16W

HA

11

G1

8W

H

B2 BATTERY STUD(51F)

A12A

D1

6L

TB

L

A12A

D1

6LT

BL

A4

H4

30 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

IGNITION FEED, P. 7

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF NAVISTARCATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

IGNITION FEED

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 007- - INITIAL RELEASE. A 77636F

H1

GROUND SPLICEPACK 5(457M)

B1, BATTERYSTUD(51F)

FUSES F8-D(1003)M2CH3_011

IGNITION RELAY #2(1004)M1

GROUNDSPLICEPACK 6(458M)

B1, BATTERY STUD(55F)

OFF

B1, BATTERY STUD(55F)

F11-M

(A1

4K

D)

START SWITCHCONNECTOR

(40M)

B C

S

25A

A4 A

IGN

A14K

D14R

DA

14K

6R

D

D

BATT

ACC

A1516RD

G4

FUSE(1004)M2

F11-DA

13

16

PK

G2H2

H2

J1

G1

J2

87

30

87A

30

85

86

87A

3086

87

30

85

87A

30

87A

87

30

8585

303086

87

86

86 30

87A

87

3030

85

30

85

86

87A

87

A13N14PK

A1

3M

18P

K

A1

3F

18

PK

A1

4H

C10

RD

A14H

8R

D

A13E16PK

A13D16PK

IGNITION RELAY(1001)M2

IGNITION FUSEF4-MCH3_009

H4

A13A14PK

IGNITION FUSEF4-LCH3_008

IGNITION RELAY #1(1004)M1

A13C14PK

FUSES F8-B(1003)M2CH3_010

A14EB14RD

B1,BATTERYSTUD(55F)

J

A

A11-G

BA

16W

H A

11-G

B8W

HA

11

-G1

8WH

RIGHT SIDE CABGROUND STUD

(53F)

H1

J4

H3 J3

A13-G18WH

A

E

F

A11-G8WH

A13-GM18WH

A14EA14PK

A14K6RD

A13GE16WH

A14W8RD

H4

UENR1839© July 2011 Caterpillar. All rights reserved.

31

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CT660/CT680 CIRCUIT DIAGRAMS

IGNITION FEED, P. 8

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

IGNITION FEED (CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 008- - INITIAL RELEASE. A 77636F

IGNITIONRELAY

(1001-M2)CH3_007

(A13D

)A13D16PK

A13ECM16PK

A49B18GY

DIFF LOCKSWITCH(370)CH10_012

A49A18GY

10A

A94CT18GY

ABS TRAILERRELAY(1001)

CH10_010

BOSCH ECM1(6018)

CH7_001

A13D

A12

PK

CRUISE BRAKEON/OFF SWITCH

(435M)CH7_009

A13D16PK

FUSE (1002) M3

A97CR18VT

A9518TN

(A1

3D

A)

A97CRB18PL

A97CRC18PL

IGNITIONSPLICE

PACK(569M)

CH10_015

CRUISE CONTROLSET/RESUME SWITCH

(436M)CH7_009

A95BA18TN

PARKEDREGEN SW(1402)

CH7_010

A95A18TN

MSM1(1406)

CH7_010

A3 B3

A3

(F4-L)

10A B3

G3 H35A

(F4-C)

FUSE (1002) M3FUSE (1002) M3

F3

(F4-G)

E35A

FUSE (1002) M3

(F1-G)

E3 F310A

(F1-L)

(F1-C)

G3 15A H3

32 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

IGNITION FEED, P. 9

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

IGNITION FEED (CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 009- - INITIAL RELEASE. A 77636F

IGNITIONRELAY

(1001-M2)CH3_007

(A13

E)

A13E16PK

FUSE (1001) M3

A97CL18VT

DIFFERENTIALLOCK ENABLE

SWITCH(369)

CH10_012

A92E18TN

CLUTCHSWITCH(294F)

CH7_005

A1

3E

A12P

K

A13DF18PK

FUSE (1002) M3

A13TC16PK

A49VA18GY

(A1

3E

A)

ENGINE SENSORINTERFACE

(6033)CH7_008

T-CASE-COOLING(1452M)

CH10_014

A49VL18GY

A49VAA18GY

A66D14YL

A92B16TN

DRL(513M)

CH9_011

A49VB18GY

DIFF LOCK LATCH(1001-M2)CH10_012

XMSN CONTROL(101)

CH11_011

H4G4 25A

(F4-D)

A4 B415A

(F4-M)

E4

(F4-H)

F410A

E4 5A F4

(F1-H)

A4 5A B4

(F1-M)

H4G4 10A

(F1-D)

AF

13E

B12

PK

G2G2

5AF2 E2

(F1-F)A44V18GY

ALLISON TCM CONN/CAT TCM CONN(7150/1264)

CH11_002, 009

XMSN CONTROL(101)

CH11_004

FUSE (1001) M3

A13BB16PK

K1314PK

CRUISESWITCH(141F)

CH7_007

H2

F1-B

15A

A97ALV18VT

F

PARK BRAKESWITCH(1814)

CH7_007

M97-GF18WH

IP/LEFT FORWARD(1M/1)

H

DASH/ENGINE(2M/2)

UENR1839© July 2011 Caterpillar. All rights reserved.

33

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CT660/CT680 CIRCUIT DIAGRAMS

IGNITION FEED, P. 10

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

IGNITION FEED (CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 010- - INITIAL RELEASE. A 77636F

IGN RELAY #1 (1004-M1)

CH3_007

A13A14PK

A105R18LTGN

A95A18TN

A13CL18LTGN

(F8-J)

A82C16GY

MWINDSHIELDWIPER MOTOR(430)CH9_010

CLUSTER CONN1(421M)CH9_009

TURN SIGNALSWITCH CONN(4M)CH9_010

CHASSIS FRONTEND CONN(1701-34)

PASSENGER HEATEDSIDE CONN(1332)CH4_009

FUSE (1003) M2

(F8-B)

(F8-F)

(F8-K)

20A

10A

G2

5A

15A H2

20A

B2

E2

E1

A2

FUSE (1003)M2

B1

F1

A1

3A

A1

4P

K

(F8-E)

(A13A

)( A

13A

)

A1

A82B16GY

A55S140R

(A13

AA

)

F2

(F8-A)

H1

A105L18LTGNG1 15A

DRIVER HEATEDSEAT CONN(1331)CH4_008

A82C16GY

TURN SIGNALSWITCH CONN(4M)CH9_010IP/ ENG

(2M/ 2)

34 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

IGNITION FEED, P. 11

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

IGNITION FEED (CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 011- - INITIAL RELEASE. A 77636F

(F8-L)

A39A18GY

IGNITION RELAY #2(1004)M1CH3_007

E4 F4

(F8-D)A13C14PK

E3

A24AM18GY

FUSE(1003)M2

A75BC18LTGN

(F8-H)

G4

5A B3

10A

A75BJ18LTGN

ENGINE BRAKE ON/OFFSWITCH(434M)CH7_007

A75BK18LTGN

A75BM18LTGN

A75BP18LTGN

A75BR18LTGN

HVAC #2(162F)CH12_003

AIR DISTRIBUTIONMOTOR(1058M)CH12_002

RECIRE MOTOR(1059M)CH12_002

A13C

A1

4P

K

ABS-6 ECU CONN(1348)CH10_002

CHASSIS FRONT ENDCONNECTION(1701)CH10_001

A94KA18GY

(F8-M)

B4A4

HVAC CONTROL(1057)CH12_002

(A1

3C

A)

15A H3

A78H16LTGN

(F8-C)

REVERSE RANGERELAY(1001-M1)CH9_001

10A F3

A7116OR

(F8-G)REVERSE LIGHT(7500W)CH11_003

A3

G3

A7116OR

MIRROR HEAD SWITCH(438M)CH4_004

FUSE(1003)M2

A13

C

H4

AB

C

15A

10A

UENR1839© July 2011 Caterpillar. All rights reserved.

35

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CT660/CT680 CIRCUIT DIAGRAMS

J1939 SPLICE PACK, P. 12

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

J1939 SPLICE PACK

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 012- - INITIAL RELEASE. A 77636F

H

J1939 SPLICE PACK(1025)

E

M

A

L

B

K

D

ABS ECU CONN 1(1348)

J

C

J1939 SPLICE PACK DATA LINK

7

8A5N(+)18YL

A5N(-)18GN

120

OH

MS

C

AA5R(+)18YL

A5R(-)18GN

C

D

A5S(+)18YL

A5S(-)18GN

A5(+)18YL

A5(-)18YL

TERMINATING RESISTOR J1939(203)

XMSN CONTROL(101)

A5J(+)18YL

A5J(+)18YL

36 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

J1939 SPLICE PACK DATA LINK, P. 13

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLARA, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF ATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

J1939 SPLICE PACK DATA LINK

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 013- - INITIAL RELEASE. A 77636F

J

K

D

G

C

J1939 SPLICE PACK

(1026)

F

MSM 1(1406)

J1939 BACKBONE(1097F)

IP / RT FRONT CHASSIS

(3)

A5K(+)14YL

A5K(+)16LTGN

A5E(+)18YL

B

C

5

6

A5F(+)18YL

A5E(-)18LTGN

A5M(+)18YL

A5M(-)18GN

A5F(-)18LTGN

M5F(+18YL) A

CM5F(-)18GN

J1939 SPLICE PACK

(1026)

J1939 SPLICE PACK DATA LINK

5K(-)16LTGN

5K(+)14YL

UENR1839© July 2011 Caterpillar. All rights reserved.

37

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CT660/CT680 CIRCUIT DIAGRAMS

CAB J1939 DATA LINK, P. 14

CAB J1939 DATA LINK

CHAPTER 3

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 014- - INITIAL RELEASE. A 77636F

K5R(+)18YL

A

K5TB(-)18GN

W/ MANUAL TRANSMISSION

K5S(+)20YL

K5S(-)18GN

K5R(-)18GN

K5TB(+)18YL

120OHMS

W/ AUTO TRANSMISSION & ULTRASHIFT TRANSMISSION

C

ENGINE / DASH(190)

J1939 TERMINATINGRESISTOR(7110)

34

ECM CONNECTOR(6018)

J1939+

47J1939-

A

K5TB(-)18GN

K5

TA

(-)

18G

N

K5S(-)20GN

ENGINE / DASH(190)

K5R(+)18YL

K5S(+)20YL

ECM CONNECTOR(6018)

J1939-

120OHMS

47

C

34

K5R(-)18GN

J1939+

J1939 TERMINATINGRESISTOR(7110)

J1939-

J1939+ 3

K5V(-)18GN2

EATON GEN3TCM CONN(7105)

K5V(+)18YL

K5TB(+)18YL

K5

TA

(+)

18

YL

H

G

G

H

38 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CAB J1939 DATA LINK, P. 15

CAB J1939 DATA LINK (CONT)

CHAPTER 3

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 015- - INITIAL RELEASE. A 77636F

K5

V(+

)18

YL

CAB J1939 DATA LINK

K5V

A(-

)1

8L

TG

N

J1939 TERMINATINGRESISTOR(7110)

CAT CX31 TRANSMISSION

34

ECM CONNECTOR(6018)

J1939+

47J1939-

ENGINE / DASH(190)

K5TA(+)18YL

K5TB(+)18YL

K5TA(-)18GN

K5S(+)18YL

K5S(-)18GN

K5TB(-)18GN

K5

VA

( +)

18

YL

K5V

(-)

18LTG

N

H

G

K5R(-)18GN

K5R(+)18YL

6867

120

OH

MS

C

A

70 WAY CAT TCM CONN(1268)

UENR1839© July 2011 Caterpillar. All rights reserved.

39

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CT660/CT680 CIRCUIT DIAGRAMS

CAB J1939 DATA LINK, P. 16

CAB J1939 DATA LINK (CONT)

CHAPTER 3

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 016- - INITIAL RELEASE. A 77636F

K9

8G

N1

(-)

18

GN

J1939 TERMINATINGRESISTOR(1099)

W/ ALLISON TRANSMISSION

K1

28

18

YL

10

ENGINE BULKHEAD(100F / 100M)

J1939 ALLISONDIAGNOSTIC CONN

(1095F)

9

47

ECM CONNECTOR(6018)

J1939+

34J1939-

J1939- A

J1939+ B

ALLISON XMSNCONTROL MODULE

(7150)

8

28

K98GN318GN

K98YL518YL

K98GN418GN

K98YL318YL

K98GN220GN

K98YL218YL

K98YL418YL

K98GN518GN

K1

08

18G

N

K9

8Y

L1

(+)

18

YL

K98YL118YL

G

H

ENGINE / DASH(190)

K98GN118GN

12

0O

HM

S

C

A

K98GN3(-)18GN

K98YL3(+)18YL

40 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

DIAGNOSTIC DATA LINK 1386, P. 17

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 3DIAGNOSTIC DATA LINK 1386

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 017- - INITIAL RELEASE. A 77636F

POSITIVE

D

GROUND

NEGATIVE

A

DIAGNOSTIC DATA LINK(1386)

GROUND ADEAPTER(454M)CH3_023

POWER

13

12

ABS ECU CONN 1(1348)

B2

J1939 SPLICE PACK(1026)

J1939 SPLICE PACK

(1025)

CLUSTER CONN J1(421M)

A11-GR14WH

B A97DL14VT

C A5D(+)18YL

M

A

A5(+)18YL

A5(-)18GN

A5D(-)18LTGN

A5A(+18YL)

A5B(+)18YL

A5C(+)18YL

G

F

A5A(-)18LTGN

A5B(-)18LTGN

A5C(-)18LTGN

F

G

A98A(+)16BK

13

14

A98C(-)16BK

B2,BATTERY STUD(51F)

FUSEF10-K

20AA2

A14B10RD

A14W8RD

DIAGNOSTIC DATA LINK

UENR1839© July 2011 Caterpillar. All rights reserved.

41

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CT660/CT680 CIRCUIT DIAGRAMS

GROUND IP, P. 18

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

GROUND IP (CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 018- - INITIAL RELEASE. A 77636F

A

B

SPLICE PACK (449M)CH3_018

DIFF LOCK CONTROL(1001-M2)CH10_012

START RELAY(1003-M1)CH5_001

START SWITCH GROUND(1001-M1)CH5_003

C

E

BODY MARKER RELAY(1002-M2)CH9_015

A11-GX16WH

A49-GA18WH

A11-GJ16WH

A17-G18WH

A17FA16PK

D

GROUND ADAPTOR(448M)

A11-GX16WH SPLICE PACK

(448M)CH3_018

B

GROUND ADAPTOR(449M)

K

SPLICE PACK (450M)CH3_019

DIFF LOCK SOLENOID(372M)CH10_012

A49-GS18WH

A11-GW16WH

A

42 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

GROUND IP, P. 19

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

GROUND IP (CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 019- - INITIAL RELEASE. A 77636F

A

B

SPLICE PACK (451M)CH3_020

ENGINE BRAKE ON / OFF SWITCH(434M)CH7_007

FOG LIGHT SWITCH(440M)CH9_007

XMSN RETARDER SELECTOR SWITCH(443M)CH11_013

C

E

ATC SWITCH(1350)CH10_004

A11-GV16WH

A11-GVA18WH

A11-GVB18WH

A62-GVD18WH

A11-GVC18WH

D

GROUND ADAPTOR(450M)

A23-GL18WH

FFAN OVERDRIVE SWITCH(659)CH7_006

A11-GW16WH

K SPLICE PACK(449M)CH3_018

UENR1839© July 2011 Caterpillar. All rights reserved.

43

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CT660/CT680 CIRCUIT DIAGRAMS

GROUND IP, P. 20

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

GROUND IP (CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 020- - INITIAL RELEASE. A 77636F

A

B

GROUND SPLICE PACK 5(457M)CH3_026

HEAD LIGHT SWITCH(465M)CH9_023

CRUISE BRAKE ON / OFF SWITCH(435M)CH7_009

HAZARD LIGHT SWITCH(1408M)CH9_022

C

E

WORK LIGHT SWITCH(441M)CH9_019

A11-GU16WH

A11-GUA18WH

A11-GUB18WH

A11-GUD18WH

A11-GUC18WH

D

GROUND ADAPTOR(451M)

A11-GUF18WH

GINHIBITI REGEN SWITCH(1403)CH7_011

A11-GUG18WH

H MIRROR HEAT SWITCH(438M)CH4_004

JA63-GUH

18WHDOME LIGHT SWITCH(442M)CH9_003

KA11-GV

16WHSPLICE PACK(450M)CH3_019

44 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

GROUND IP, P. 21

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

GROUND IP (CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 021- - INITIAL RELEASE. A 77636F

A

B

RIGHT SIDE CABGROUND STUD(53F)

RIGHT TURN RELAY(1004-M1)CH9_012

LEFT TURN RELAY(1004-M1)CH9_012

LEFT TURN W/ DRL(1004-M1)CH9_011

C

E

RIGHT TURN W/ DRL(1004-M1)CH9_011

A11-GBB16WH

A57-G18WH

A66-GR18YL

A66-GL18YL

A56-G18WH

D

GROUND ADAPTOR(452M)

A50-G18WH

FLOW BEAM RELAY(1003-M1)CH9_008

A12-GR18LTBL

GACCESSORY RELAY(1003-M1)CH3_006

HA58-G18WH

TAIL LIGHT RELAY(1003-M1)CH9_002

JA81-G18WH

WINDSHIELDWIPER MOTOR(430)CH9_010

T

A82-GC16WH

K

A11-GB8WH

TITLE OF THE SHEET TO BE SPECIFIED

A11-G18WH

K82-GC18WH

IP/ ENG(2M/ 2)

GROUND SPLICE PACK 6(458M)CH3_027

UENR1839© July 2011 Caterpillar. All rights reserved.

45

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CT660/CT680 CIRCUIT DIAGRAMS

GROUND IP, P. 22

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

GROUND IP(CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 022- - INITIAL RELEASE. A 77636F

PWR SOURCE-2 POST(482M)CH3_001

CIGAR LIGHTER(1090M)CH4_001

PWR SOURCE RECEPTACLE(481M)CH4_010

RADIO 1(426)CH4_006

GROUND ADAPTER (453M)

RIGHT POWER MIRRORCOURTESY LIGHT CONN(1054M)

A

B

C

D

E

G

H

GROUND SPLICE PACK 5(457M)CH3_026

DRL(513M)CH9_011

A62-GRD16WH

A66-GA14WH

A86-GT14WH

A86-GS14WH

A84-G16WH

A105-GR18WH

JPASSENGER SIDE HEATEDSEAT CONNECTOR(1332)CH4_009

A86-G18WH

A11-GY16WH

46 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

GROUND IP, P. 23

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

GROUND IP (CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 023- - INITIAL RELEASE. A 77636F

CRUISE CONTROL ON / OFF SWITCH(435M)CH7_009

GROUND SPLICE PACK 3(456M)CH3_025

XMSN CONTROL(101)CH11_004

A11-GY10WH

CLUSTER CONN J2(422M)

CH8_001

BLINK CODE SWITCH(511M)CH10_002

HVAC CONTROL(1057)CH12_002

CRUISE CONTROL SET / RESUME SWITCH(436M)CH7_009

DRIVER SIDEHEATED SEATCONN(1331)CH4_008

RECIRC MOTOR(1059M)CH12_002

PARK BRAKE SWITCH(1813)

T-CASE COOLING FAN(1452M)CH10_014(1058M)CH12_002

CHASSIS FRONT END CONN(1701)CH10_014

XMSN CONTROL(101)CH11_011

A

A11-G18WH

FRONT END CONN(1M)CH9_008

LEFT SIDECAB GND STUD

(56F)

PANEL LIGHT DIMMER SWITCH(425M)CH9_021

ABS-6 ECUCONN J1(1348)CH10_002

G

CLUSTER CONN J1(421M)CH9_009

J

GROUND SPLICE PACK 2(455M)CH3_024DIAGNOSTIC DATA LINK(1386)CH3_017

MIRROR MOTOR / HEAT LIGHT / POWER CONN(1050M)

D

A64-LGB14WH

FRONT END CONN(1M)CH9_008

A11-G28WH

A1

1-G

F10W

H

A11-GD8WH

A11-LGA16WH

A11-LGA16WH

A11-GCL16WH

A62-GCL18WH

A11-GE10WH

A11-GR14WH

A44-GA18LTGN

A11-GFS16WH

A62-GCR18DKBL

A62-GCS18DKBL

A62-GPL18WH

BA94-GA

12WH

E

A94-GL216WH

CA105-GL

18WH

FA94-GL

18GY

A11-GBM18WH

HA92D16TN

A92-GT16TN

A92-GTA18TN

A92-GTB18TN

53

A75-GF18LTGN

A75-GM18LTGN

A75-GK18WH

A75-GL18LTGN

GROUND ADAPTOR(454M)

N1-GTC16WH

A11-GT16WH

CHASSIS FRONT END CONN(1701/1701F)

AIR DISTRIBUTION MOTOR(1058M)CH12_002

UENR1839© July 2011 Caterpillar. All rights reserved.

47

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CT660/CT680 CIRCUIT DIAGRAMS

GROUND IP, P. 24

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

GROUND IP(CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 024- - INITIAL RELEASE. A 77636F

A

GROUND ADAPTOR(455M)

B

GROUND SPLICE PACK 1(454M)CH3_023

LEFT POWER DOOR LOCK(1048F)CH4_007

HEAD LIGHT SWITCH(465M)CH9_023

POWER MIRROR SWITCH(254M)CH4_005

WORK LIGHT SWITCH(441M)CH9_019

C

F

G

POWER WINDOW LEFT(1034F)CH4_002

A11-GE10WH

A81-GG18WH

A83-GA14WH

A78-G20WH

A62-GWL18WH

A62-GHL16WH

E

48 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

GROUND IP, P. 25

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF ATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

GROUND IP(CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 025- - INITIAL RELEASE. A 77636F

DOME LIGHT SWITCH(442M)CH9_003

ENGINE BRAKE ON / OFF SWITCH(434M)CH7_007

MARKER INTERUPT SWITCH(1404M)CH9_021

ENGINE BRAKE SELECTOR SWITCH(433M)CH7_007

A

GROUND ADAPTER (456M)

ATC SWITCH(1350)CH10_004

B

C

D

E

F

H

J

PARKED REGEN SWITCH(1402)CH7_010

MIRROR HEAT SWITCH(438M)CH4_004

LEFT SIDE GROUNDSTUD(56F)

A11-GFS16WH

A11-GF10WH

A11-G28WH

A62-GMS18DKBL

A62-GMH16DKBL

A62-GDL18WH

A62-GML16DKBL

A62-GES18DKBL

G

A62-GEB18DKBL

A62-GFO18WH

KFAN OVERDRIVE SWITCH(659)CH7_006

A94-GBE18GY

A94-GTC18LTGN

UENR1839© July 2011 Caterpillar. All rights reserved.

49

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CT660/CT680 CIRCUIT DIAGRAMS

GROUND IP, P. 26

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

GROUND IP (CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 026- - INITIAL RELEASE. A 77636F

DIFFRENTIAL LOCK ENABLE SWITCH(369)CH10_012

IGNITION RELAY#1(1004-M1)CH3_007

HAZARD LIGHT SWITCH(1408M)CH9_022

IGNITION RELAY#2(1004-M1)CH3_007

GROUND ADAPTER (457M)

DIFF LOCK SPEED SWITCH(370)CH10_012

A

B

C

D

E

F

G

XMSN RETARDER ON/OFF SWITCH(443)CH11_013

A11-GRE16WH

A62-GPT18WH

A62-GDF18WH

A62-GHZ18DKBL

A13-G18WH

A11-GH16WH

H

A13GM18WH

A49-G18WH

A11-GU16WH

JFOG LIGHT SWITCH(440M)CH9_007

A62-GFL18WH

SPLICE PACK(451M)CH3_020

K

A11-GHA18WH

A11-GHB18WH

A11-GHC18WH

A11-GHD18WH

A11-GHE18WH

A11-GHF18WH

AIR SWITCH #1(563M)CH10_015AIR SWITCH #2(564M)CH10_015AIR SWITCH #3(565M)CH10_015AIR SWITCH #4(566)CH10_015

AIR SWITCH #6(568)CH10_015

AIR SWITCH #5(567M)CH10_015

RIGHT SIDE CABGROUND STUD(53F)

A11-G18WH

A11-G8WH

50 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

GROUND IP, P. 27

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

GROUND IP (CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 027- - INITIAL RELEASE. A 77636F

GROUND SPLICE PACK 7(452M)CH3_021

RIGHT FRONT CHASSIS(3M)CH9_008

GROUND ADAPTER (458M)

ROOF CONN 1(429)CH9_017

A

B

C

D

F

H

J

RIGHT SIDE CABGROUND STUD

(53F)

E

K

RIGHT POWER DOOR LOCK(1043F)

TRAILER STOP RELAY(1001-M1)CH9_001

MSM1(1406)

CH7_010

START SWITCH GROUND(1001-M1)CH5_003

RIGHT FRONT CHASSIS(3M)CH9_007

AC CONTROL RELAY(1002-M1)CH12_001

POWER WINDOW RELAY(1002-M1)CH4_002

IGNITION RELAY(1001-M2)CH3_007

AIR DRYER RELAY(1002-M1)CH10_001

A11-GBA16WH

A11-GBB16WH

A11-RGA16WH

A11GS14WH

A64-RGB14YL

A87-GG16GY

A11-GB8WH

A11-G18WH

A11

-G8W

H

A58-GA18WH

A63-GG16WH

A86-GF16WH

A75-G14WH

A12-G18LTBL

A13-GAD18PK

A63-GW18WH

A11GT14WH

A13GE16WH

A81-GC18WH

A81-GD18WH

A81-GB18LTGN

A81-GA18LTGN

GROUND SPLICE PACK 7(452M)CH3_021POWER DOOR LOCK RELAY(1003-M1)CH4_007

A81-G18WH

POWER DOOR UNLOCK RELAY(1002-M1)CH4_007

RIGHT POWER DOOR LOCK(1043F)CH4_007

A95-G16WH

A95-GC16WH

A95-GA16WH

PARKED REGEN SWITCH(1402)CH7_010

UENR1839© July 2011 Caterpillar. All rights reserved.

51

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CT660/CT680 CIRCUIT DIAGRAMS

GROUND ENGINE, P. 28

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

GROUND ENGINE (CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 028- - INITIAL RELEASE. A 77636F

A

B

XMSN OIL TEMP SENDER(236)CH8_003

AUTO XMSN TEMP SENDER(236F)CH8_003

ENGINE OIL TEMP(393)CH8_003

C

HARNESS GROUND(6314)

FREON COMPRESSOR(6200)CH7_005

K10-GB10WH

K31-G16WH

K77-G16WH

ENGINE SENSORINTERFACE(6033)CH7_008

K30-GB16TN

E

GROUND SPLICE(6704B)

K10-GA10WH

K10WH112WH

K10-GJ16WH

K10-GK16WH

K11-GA6WH

K31-G16TN

CAB HARNESS(382)

52 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

GROUND CHASSIS, P. 29

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

GROUND CHASSIS (CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 029- - INITIAL RELEASE. A 77636F

CHASSIS INTERCONNECT(4327L)

GROUND - CHASSIS RIGHT FORWARD

CHASSIS IMTERCONNECT(42376)

GROUND STUD(2G)

GROUND - CHASSIS LEFT FORWARD

RADIATOR GROUND(8)

M11-GR14WH

M11-LGB14WH

M11-RGB14WH

GROUND STUD(2G)

UENR1839© July 2011 Caterpillar. All rights reserved.

53

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CT660/CT680 CIRCUIT DIAGRAMS

GROUND CHASSIS, P. 30

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

GROUND CHASSIS (CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 030- - INITIAL RELEASE. A 77636F

A

B

CONNECTOR TO DASH HARNESS(1701F)CH3_036

LEFT FUEL SENDER(9100)CH8_002

C RIGHT FUEL SENDER(9101)CH8_002

N916GY

N9A18GY

N9B18GY

ISOLATED GND SPLICE PACK(8802)

F

A

RR AXLE TEMP SENDER(9812)CH8_003

D A9F18GY

N59-G12WH

N19-G16WH

FUEL HEATER(9109A)CH10_014

FORWARD REAR AXLE TEMP SENSOR(9811)CH8_003

CHASSIS SPLICE GND PACK(8809)CH3_033

AIR SOLENOID GND SPLICE(8805)

RR AXLE TEMP SENDER(9812)CH8_003

A9H18GY

M9HA18GY

M9HB18GY

54 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

GROUND CHASSIS, P. 31

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

GROUND CHASSIS (CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 031- - INITIAL RELEASE. A 77636F

A

CSECOND PUSHER AXLE(9763)

CHASSIS GND SPLICE PACK(8807)

SECOND PUSHER AXLE(9763)

D

SECOND PUSHER AXLE(9763)

N11-GC14WH

N59-GB18WH

N59-GD18WH

N59-GA18WH

F

CHASSIS GROUNDSPLICE (8806)

TAG AXLE(9924)

TAG AXLE(9924)

TAG AXLE(9924)

TAG AXLE(9924)

N59-GA18WH

N59-GA18WH

N59-GA18WH

N59-GA18WH

N59-GB18WH

N59-GA18WH

N59-GC18WH

N59-GD18WH

N59-GD18WH

FOURTH PUSHER AXLE(9765)

TAG AXLE(9924)

N59-GD18WH

N59-GD18WH

THIRD PUSHER AXLE(9764)

EN59-GE

18WH

N59-GC18WH

N59-GD18WH

N59-GB18WH

N59-GC18WH

UENR1839© July 2011 Caterpillar. All rights reserved.

55

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CT660/CT680 CIRCUIT DIAGRAMS

GROUND CHASSIS, P. 32

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF ATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

GROUND CHASSIS (CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 032- - INITIAL RELEASE. A 77636F

A

B

STOP TURN AND TAIL(9303A)CH9_002

GND AT DASH(9717B)

RIGHT SIDE HEATED DRAIN VALVE(9002)CH10_001

BODY BUILDER CONNECTION(4450M)CH10_008

C

F

LEFT SIDE AIR DRYER(9900A)CH10_001

N11-GA12GY

N10-G12WH

N39-GB16WH

N11-GD12WH

N39-GF18WH

D

CHASSIS GND SPLICE PACK

(8807)

N11-GC14WH

E CHASSIS GND SPLICE(8806)CH3_037

LEFT SIDE BOC HEATED DRAIN VALVE(9003B)CH10_001

LEFT SIDE HALDEX DRAIN VALVE(9001A)CH10_001

LEFT SIDE BOC HEATED DRAIN VALVE(9003)CH10_001

LEFT SIDE HEATED DRAIN VALVE(9001)CH10_001

N39-GF18WH

N39-GF18WH

N39-GF18WH

N39-GF18WH

N11-GBB12WH

BODY BUILDER CONNECTION(4460BM)CH10_008

56 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

GROUND CHASSIS, P. 33

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

GROUND CHASSIS (CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 033- - INITIAL RELEASE. A 77636F

A

C

RR AXLE DIFF LOCK WARN LIGHT(9815)CH10_011

AIR RESTRICTION GAUGE(6703)CH8_002

FORWARD REAR AXLE DIFF LOCK WARN LIGHT(9814)CH10_011

E

AIR SOLENOID GND SPLICE(8805)CH3_030

RR AXLE DIFF LOCK WARN LIGHT(9815)CH10_011

N28-G18WH

N49-GA18WH

WORK LIGHT (9718A)CH9_019

N59-G12WH

F

CHASSIS GND SPLICE PACK(8809)

GROUND AT DASH(9717B)

D

N11-GB12GY

N65-G16WH

N49-GA18WH

N49-GB18WH

N49-GC18WH

UENR1839© July 2011 Caterpillar. All rights reserved.

57

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CT660/CT680 CIRCUIT DIAGRAMS

GROUND TRAILER SOCKET, P. 34

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

GROUND TRAILER SOCKET (CONT)

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 034- - INITIAL RELEASE. A 77636F

GREEN ABS TRAILER SOCKET GND

(9778F)

GREEN ABS TRAILERSOCKET GND

(9778F)

TRAILER SOCKET GND(9778FB)

TRAILER SOCKET GROUNDFRONT OF CAB

(9717A)TRAILER SOCKET

GROUND(9778FB)

A

AN10F8WH

N10D8WH

N10D8WH

AN10E8WH

N10F8WH

A

58 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

FIVE VOLT SOURCE SPLICE PACK, P. 35

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

FIVE VOLT SOURCE SPLICE PACK

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 035- - INITIAL RELEASE. A 77636F

1

2

CLUSTER CONN J2(422M)CH8_001

PRIMARY AIR TRANSDUCER(1811)CH8_001

3SECONDARY AIR TRANSDUCER(1812)CH8_001

A618LTGN

A6PA18LTGN

A6SA18LTGN

5 VOLT SOURCE SPLICE PACK(1020)

B

A K34BA18TN

K34BB18TN

BOSCH ECM 1(6018)CH6_001

FIVE VOLT SOURCE

BOSCH ECM 1(6018)CH6_001

ECM 5V SPLICE(6706)

K23A118TN

VARIABLE SPEED FAN(6420)CH6_001

D

UENR1839© July 2011 Caterpillar. All rights reserved.

59

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CT660/CT680 CIRCUIT DIAGRAMS

ZERO VOLT SOURCE SPLICE PACK, P. 36

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

ZERO VOLT SOURCE SPLICE PACK

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 036- - INITIAL RELEASE. A 77636F

1

2

CLUSTER CONN J2(422M)CH8_001

PRIMARY AIR TRANSDUCER(1811)

3SECONDARY AIR TRANSDUCER(1812)

A918LTGN

A9PA18LTGN

A9SA18LTGN

ZERO VOLT SOURCE

CHASSIS FRONT END CONN(1701)CH3_030

8A9B

18GY

ZERO VOLT SOURCESPLICE PACK

(1021)

VARIABLE SPEED FAN(6420)CH6_001

D

BOSCH ECM 1(6018)CH6_001

A

ECM 0V SPLICE(6707)

K34-GA18WH

K23B118TN

60 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

ISOLATED GROUND SPLICE PACK, P. 37

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

ISOLATED GROUND SPLICE PACK

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 037- - INITIAL RELEASE. A 77636F

A

B

CHASSIS FRONT END CONN

LEFT FUEL SENDER(9100)CH8_002

CRIGHT FUEL SENDER(9101)CH8_002

M916GY

M9A18GY

M9B18GY

ISOLATED GNDSPLICE PACK

(8802)

FORWARD REAR AXLETEMP.SENSOR(9811)CH8_003

FM9F

18GY

1701F-13

9100-B

9101-B

9811-2

M9H18GY

M9HA18GY

M9HB18GY

9812-2

9812-2

M9B18GY

REAR AXLE TEMP. SENSOR(9812)CH8_003

UENR1839© July 2011 Caterpillar. All rights reserved.

61

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CT660/CT680 CIRCUIT DIAGRAMS

PANEL LIGHT SPLICE ADAPTER 1, P. 38

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

PANEL LIGHT SPLICE ADAPTER 1

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 038- - INITIAL RELEASE. A 77636F

A

C

HEAD LIGHT SWITCH(465M)CH9_023

CLUSTER CONN J1(421M)CH9_009

WORK LIGHT SWITCH(441M)CH9_019

INHIBIT REGEN SWITCH(1403)CH7_011

D

G

PANEL LIGHT DIMMER SWITCH(425M)CH9_021

A62A16DKBL

A62HL18DKBL

A62PL18DKBL

A62MSP18DKBL

A62WL18DKBL

E

PANEL LIGHT SPLICE ADAPTER 1

(503M)

A62TX18DKBL

JXMSN CONTROL(101)CH11_004

A62BD20DKBL

KPOWER MIRROR SWITCH(254M)CH4_005

A6216DKBL

A62C18DKBL

A62CRA18DKBL

A62CRB18DKBL

A62HZ18DKBL

PANEL LIGHT SPLICE ADAPTER 3(506M)CH3_040

CRUISE BRAKE ON / OFF SWITCH(435M)CH7_009

HAZARD LIGHT SWITCH(1408M)CH9_022

CRUISE CONTROL SET / RESUME SWITCH(436M)CH7_009

62 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

PANEL LIGHT SPLICE ADAPTER 2, P. 39

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

PANEL LIGHT SPLICE ADAPTER 2

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 039- - INITIAL RELEASE. A 77636F

DOME LIGHT SWITCH(442M)CH9_003

ENGINE BRAKE ON / OFF SWITCH(434M)CH7_007

MARKER INTERUPT SWITCH(1404M)CH9_021

ENGINE BRAKE SELECTOR SWITCH(433M)CH7_007

A

PANEL LIGHT SPLICE ADAPTER 2(504M)

FOG LIGHT SWITCH(440M)CH9_007

B

C

D

E

F

H

J

PARKED REGEN SWITCH(1402)CH7_010

MIRROR HEAT SWITCH(438M)CH4_004

CLUSTER CONN J1(421M)CH9_009

A62PR18DKBL

A62-MH18DKBL

A62DL18DKBL

A62ML18DKBL

A62ES18DKBL

G

A62EB18DKBL

A62FO18DKBL

KFAN OVERDRIVE SWITCH(659)CH7_006

A62FL18LTGN

A62TC18DKBL

A62B18DKBL

A62P18DKBL

A62K18DKBL

A62RA18DKBL

HVAC CONTROL(1057)CH12_002

RADIO 1(426)

CH4_004

ATC SWITCH(1350)CH10_004

A92P16TN

EATON AUTOSHIFT DISPLAY(1240)CH11_006

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

PANEL LIGHT SPLICE ADAPTER 3, P. 40

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR INC.

RELEASE NO. SHEETPART NO.DATE

PANEL LIGHT SPLICE ADAPTER 3

CHAPTER 3

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067054 040- - INITIAL RELEASE. A 77636F

A

B XMSN RETARDER SELECTOR SWITCH(443M)CH11_013

CLUSTER CONN(421M)CH9_009

DIFFERENTIAL LOCK ENABLE SWITCH(369)CH10_012

CIGAR LIGHTER(1090M)CH4_001

C

E

XMSN RETARDER ON / OFF SWITCH(443)CH11_013

A62C18DKBL

A62RT18DKBL

A62PT18DKBL

A62T18DKBL

A62DF18DKBL

D

PANEL LIGHT SPLICE ADAPTER 3

(506M)

A62AS16DKBL

H

AIR SWITCH #6(568)CH10_015

AIR SWITCH #4(566)CH10_015

AIR SWITCH #5(567M)CH10_015

AIR SWITCH #1(563M)CH10_015

AIR SWITCH #3(565M)CH10_015

AIR SWITCH #2(564M)CH10_015

A62ASA18DKBL

A62ASB18DKBL

A62ASC18DKBL

A62ASD18DKBL

A62ASE18DKBL

A62ASF18DKBL

A92MA16TN

EATON AUTOSHIFT DISPLAY(1240)CH11_006

A6216DKBL

64 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CAB ACCESSORIES (CHAPTER 4)

CIGAR LIGHTER, P. 1

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 4CIGAR LIGHTER

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067055 001- - INITIAL RELEASE. A 77636F

A84A14LTGN

A8

4-G

16W

H

A62T18DKBL

A14KC14RDG3

A14K6RD

FUSE F11-C

H3

CIGARLIGHTER LT

(90M)

A1

1-G

18W

H

RIGHT SIDE CABGND STUD

(53F)

CIGARLIGHTER GND

(92F)

15A

CIGARLIGHTER

(1090M / 1090F)

B

A

CA84-GA

16WH

A62TA18DKBL

A8414LTGN

CIGAR LIGHTER POWER(91-F)

B1,BATTERYSTUD(55F)

E

A

A

E

A1

1-G

18W

HA

11

-G8W

H

GROUND ADAPTER(453M)

A62C18DKBL

A11-GRD 16WH

PANEL LIGHTSPLICE ADAPTER 3

(506M)

CLUSTER CONN(421M)CH9_009

A6216DKBL

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

ELECTRIC WINDOW – RIGHT AND LEFT, P. 2

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

ELECTRIC WINDOW - RIGHT AND LEFT

CHAPTER 4

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067055 002- - INITIAL RELEASE. A 77636F

A83-GA14WH

B

6

LEFTPOWER

WINDOW SWDRIVER

SIDE(1039)

A83H

14LT

GN

A8

3M

14

LT

GN

A

1

UP

A8

3C

14

LT

GN

A8

3-G

C14W

H

LEFTWINDOWMOTOR(1044)

UP

2B

A8

3L

14LT

GN

B

3

GROUNDSPLICEPACK 2(455M)

DN3

RIGHTWINDOWMOTOR(1045)

5B

A8

3E

14LT

GN

A

5

POWER WINDOWLEFT &

RIGHT RELAY(1002-M1)

4

A83F

14LT

GN

DN

A12C

18

LT

BL

2

FUSEF10-A

6

RIGHTPOWER

WINDOW SWDRIVER

SIDE(1040)

A83C14LTGN

4

1

A8

3-G

B14W

H

POWERWINDOW

LEFT(1034F)

A83

-GA

14W

H

G1

A83N

14LT

GN

A

C

B1,BATTERY

STUD(51F)

5AH2

FUSEF4-B

C

A1

1-G

E12W

HA

11-G

D8W

H

LEFT CABGND STUD

(56F)

A

H1

20A

87A

86

85

87

30

41

2B5B

2

4

1

5

A14W8RD

A83V

14LT

GN

A14A

10R

D

A1

1-G

28W

H

A1

1- G

BA

16W

H

GROUNDSPLICEPACK 6(458M)

RIGHT CABGND STUD

(53F)

A

C

A11

-GB

8 WH

A1

1-G

18 W

H

A12AD16LTBL

ACCESSORYRELAY

(1003-M1)CH3_006

G2

A12-G

14W

H

66 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

HORN, P. 3

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 4HORN

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067055 003- - INITIAL RELEASE. A 77636F

85

-GB

16W

H

M85-G16WH

T

M85B16GY

STEERINGCOLUMN

A8

5B

16G

Y

PART OF ADJUSTABLESTEERING COLUMN

A-1

8G

Y

18

YL

A8

5C

18G

Y

STEERINGWHEEL

SLIP RING

HORN RELAY(1002-M1)

HORNBUTTON

HORN(76M)

18

BK

(A14

B)

HORN GNDSTUD(2G1)

B

A

CITY HORNCONNECTION

(18M)

15A

FUSEF10-F

F2

8630

85

87A 87

B2, BATTERYSTUD(51F)

A

A

A85D16GY

A14B10RD

A14W8RD

F10-K A2

E2

A85

16G

Y

FRONT END / CAB(1/1M)

UENR1839© July 2011 Caterpillar. All rights reserved.

67

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CT660/CT680 CIRCUIT DIAGRAMS

MIRROR LIGHTS AND HEATED MIRRORS, P. 4

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

MIRROR LIGHTS & HEATED MIRRORS

CHAPTER 4

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067055 004- - INITIAL RELEASE. A 77636F

GROUND SPLICEPACK-3

AL

L-G

F10W

H

7

A

LEFT SIDE CABGND STUD RING

TRMINAL (56F)

L MIRRORLIGHT

A58J

18B

N HEATED,LIGHTED,MOTORIZED

RIGHT MIRROR(1128)

A

A

A11-GUG18WH

A

A78B

18LTG

N

C

C

18GN

C

A11- G

28W

H

MIRRORHEAT

SWITCH(438M)

A78K16LTGN

18YL

C

B

A58L

18B

N

8

A7

8JK

16L

TG

N

2

A11-G

AE

18W

H

A

6

A11-G18WH

A

A11-GY18WH

A78

J16

LT

GN

18W

H

3

R MIRRORLIGHT

HEATED,LIGHTED,MOTORIZED

LEFT MIRROR(1127)

A11-G

Z18W

H

A

A78H

16LTG

N

LEFT SIDE CABGND STUD TRMINAL

(56F)

E

A11-GFS10WH

18WH

CLUSTERCONN 1(421 M)CH9_009

E

PANEL LIGHTSPLICEADAPTER-2(504M)

1

E

4

1

FU

SE

F8-C

A62M

H18D

KB

L

GROUND ADAPTER(451M)

C

A11-G

8W

H

B

H

A11-G28WH

8A

18YL

10

D

15

A

A13C14PK

A58K

18B

N

D

A62K18DKBL

A1

1-G

Z18W

H2

3

CMIRROR

HEATSWITCH(438M)

18W

H

G3

GROUND SPLICEPACK-3(456M)

LEFT HEATEDMIRROR

H3

A11-GU16WH

A7

8A

18LT

GN

A1

1-G

FS

18W

H

A62-GMH18WH

5

C

E

IGN RELAY#2(1004-M1)CH3_011

18GN

MIRROR MOTOR/HEAT/LIGHT/POWER

(1050M)

RIGHT HEATEDMIRROR(1128)

RIGHT POWERMIRROR

& COURTESYLIGHT

(1054M)

A1

1-G

AE

18W

H

A11-GBM18WH

A62B18DKBL

A11-GFS16WH

A58J18BN

RIGHT SIDE CAB GROUND

STUD (53F)

68 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

LEFT AND RIGHT MOTORIZED MIRRORS, P. 5

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 4LEFT & RIGHT MOTORIZED MIRRORS

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067055 005- - INITIAL RELEASE. A 77636F

CC

B

L / R

AXIS

A4

AXIS

L / R

A

B

AXISAXIS

UP /DOWNUP /

DOWN

CLUSTER CONN(421M)

CH9_009

POWER MIRROR SWITCH (254M)

A

A2A1A3B2B1 B4B3

A7

8A

20L

TG

NA

78C

20

LT

GN

A7

8F

20

LT

GN

A78D

20

LLT

GN

A78EA18LTGN

A78EB18LTGN

A7

8E

20L

TG

N

A

A78-G20WH

A11-GE10WH

A11-GD8WH

A11-G28WH

LEFT SIDE CAB GND STUD

(56F)

A78V20LTGN

ACCESSORYRELAY

(1003-M1)CH3_00615A

E2F1

AG

2B

D20

DK

BL

K

GROUND SPLICEPACK 2(455M)

PANEL LIGHTSPLICE ADAPTER

-1(503M)

MIRROR COURTESYLIGHT CONNECTION

(1054M)

C

A

A6216DKBL

MIRROR MOTORCONNECTION

(1050M)

A62A16DKBL

A12AD16LTBL

FUSEF4-E

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

RADIO CAB SPEAKERS, P. 6

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 4RADIO CAB SPEAKERS

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067055 006- - INITIAL RELEASE. A 77636F

A54D1BBN

A86U18LTGN

A86R18LTGN

A86X18LTGN

A86U18LTGN

A86W18LTGN

6

11

8

4

3

10

12

13

7

GROUNDSPLICEPACK 4(453M)

A86718LTGN

9

A86518LTGN

16

A86Y18LTGN14

A86V18LTGN

G1

15

RADIO 1(426)

ROOFCONN.(428)

D

C

B

A

F

A62RA18DKBL

A86-G18WH

A

B

G

E

A

B

ACCESSRYRELAY(1003-M1)CH3_006

RIGHT FRONTSPEAKER

CLUSTERCONN(421M)CH3_039CH9_009

G

A

H

A11-G

16W

H

A11-G18WH

TAIL/CLEARANCESPLICE PACK(1015)CH9_014

LEFT FRONTSPEAKER(530)

RIGHT SIDCAB GROUNSTUD(53F)

RIGHT FRONTSPEAKER(529)

LEFT FRONTSPEAKER

A62K18DKBL

A12AD16LTBL

FUSEF4-A

20A

A8618LTGN H1

B2,BATTERYSTUD(51F)

A11-G

RD

16W

H

F1A14FA10RDE1

15A

A14F6RD

FUSEF7-E

70 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

ELECTRIC LOCK – RIGHT AND LEFT, P. 7

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 4ELECTRIC LOCK - RIGHT & LEFT

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067055 007- - INITIAL RELEASE. A 77636F

(1047)

A81D18LTGN

4 1

A8

1E

18LT

GN

81N

18LT

GN

A81VA18LTGN

2B

DOORPOWERLOCK

RELAY(1003-M1)

4

2B

A81-GC18WHA

81

F18LT

GN

6

81M

18

LT

GN

A8

1J

18

LT

GN

A8

1-G

D18W

H

A8

1A

18

LT

GN

RIGHTPOWERLOCK

(1046)

A8

1K

18

LT

GN

81K18LTGN

5B

1

A8

1P

18

LT

GN

A81V18LTGN

POWERLOCK-UNLOCK

RELAY(1002-M1)

3

RIGHT POWERLOCK SWITCH

(1043)

A8

1-G

D18W

H

81E18LTGN

FUSE BLOCK(1004-M3)CH3_004

A8

1L

18

LT

GN

A81-GA18WH

63

81J18LTGN

A8

1H

18

LT

GN

LEFT POWERLOCK SWITCH

(1042)

A81-GB18WH

A8

1L

18

LT

GN

A81M

18

LT

GN

81-GC18WH

A8

1N

18

LT

GN

A8

1P

18

LT

GN

5B

81F18LTGN

FD A EB

C BAE D

BB AA

LEFT POWERLOCK DOOR

CONN(1048F)

EA

11

-G1

8WH

A

GNDADAPTER(455M)

A11-GBA16WH

LEFTPOWERLOCK

1

87A87

85

86 30

87A87

86

5

3 J4

3

2

11 3

2

RIGHT POWERLOCK DOOR

CONN(1043F)

A11

-GB

8WH

B

A

A1

1-G

E10W

HA

11

-G2

8WH

RIGHT CABGND STUD

(53F)

A81V18LTGN

A81V18LTGN

B2,BATTERY

STUD(51F)

GND ADAPTER(458M)

A81-GG18WH

A1

1-G

18W

H

LEFT SIDECAB

GND STUD(56F)

H215A

FUSE BLOCK(1004-M3)CH3_004

G2

A14B

10R

DA

14W

8R

D

FUSEF10-B

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

HEATED SEAT – DRIVER, P. 8

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 4HEATED SEAT - DRIVER

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067055 008- - INITIAL RELEASE. A 77636F

HI (PART OF SEAT)

BK

WH

LO

C

A

DRIVERS HEATED SEAT CONNECTOR

(1331)

LEFT CABGND STUD

(56F)

A

B

15A

A105GL18WH

A11-GY10WH

A11-G

18W

H A

11-G

28W

H

A105L18LTGN

GROUNDSPLICEPACK 2(454M)

IGN RELAY#2(1004-M1)

CH3_010G1

A13A14PK

FUSEF8-A

H1

72 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

HEATED SEAT – PASSENGER, P. 9

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF ATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 4HEATED SEAT - PASSENGER

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067055 009- - INITIAL RELEASE. A 77636F

LO

HI

A105-GR18WH

(PART OF SEAT)

J

GROUND STUDLEFT CAB

(56F)

A

B

PASSENGERS HEATED SEATCONNECTOR

(1332)

WH

ABK

A1

1-G

8W

H

A1

1-G

18W

H

A11-GRD10WH

A105R18LTGN

GROUNDSPLICE PACK 4(453M)

A13A14PKIGN RELAY#2

(1004-M1)CH3_010

G2

FUSEF8-B

15AH2

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

POWER SOURCE (CB), P. 10

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

POWER SOURCE (CB)

CHAPTER 4

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067055 010- - INITIAL RELEASE. A 77636F

A

A86K14LTGN H1

20AG1

A14KA14RD

B1,BATTERYSTUD(55F)

A14K6RD

B

POWER SOURCE2 POST(482M)

FUSEF11-A

D

C

GROUND ADAPTER(453M)

RIGHT SIDE CABGND STUD

(53F)

A11-GRD16WH

A11-G8WH

A11-GB8WH

A11-G18WH

A86

-GS

14W

H

B

A

A

A86-GT16WH

POWER SOURCERECEPTACLE

(481M)

A86

M1

4L

TG

N

G2H220A

FUSEF11-B

A14KB14RD

74 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CHARGING AND CRANKING (CHAPTER 5)

STARTER INTERLOCK, P. 1

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

STARTER INTERLOCK

CHAPTER 5

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067056 001- - INITIAL RELEASE. A 77636F

A17B14PK

#A17DC14WH

LENGINE / DASH

(2/2M)

B

K1

7B

16

PK

STARTER RELAY

(1003-M1)

STARTER INTERLOCKSWITCH(294A)

K17C

16

PK

30 86

E3

85

87

F3

E4 F5

A

BA

17D

A1

4P

K

L

STARTFEED

ADAPTER(509M)

A1

7F

A-G

H1

6P

K

FUSEF11-M

A14KD14RD

A14K6RD

LEECE NERILLE/ MITSUBISHI(6306/ 6307)CH5_002

E

E4

KEY SWITCH(40M)

G4

*A17B

14P

K

A17DB14PK

A17D14PK

* W/ALLISON XSMSN @ W/CAT TRASMISSION

# W/MANUAL TRANSMISSION

IGN

C

OFF

B

BATT

D

S ACC

A

25A

B4 A4

H4

FUSEF11-D

REVERSERANGERELAY(01001-M1)CH9_001

@A17A18PK

B1,BATTERYSTUD(55F)

K17SI16PK

ENGINE/ DASH (2/2M)

@A17FA18PK

A92F18TN

C

U

K92A19TN

ENGINE/DASH

(2/2M)

CAT TCM CONN(1268)CH11_010

A1

71

6P

K

SHIFT POWER BULKHEAD(100F)

CH11_003

A1516RD

IP/ENGINE(2M/2)

@A

17D

A1

8P

K

G

CAT TCM CONN(1268)

CH11_010

IP/ENGINE(2M/2)

K17

16P

K

A

SPLICE PACK(448M)

D KKK

A

SPLICE PACK(449M)

K

A1

1-G

XA

16

WH

A1

1-G

VA

16

WH

K

A

KKKK

SPLICE PACK(450M)

A

SPLICE PACK(451M)

A1

1-G

XA

16

WH A

K

A1

1-G

VA

16W

H

K

RIGHT CABGND STUD

(53F)

KK

A1

1-G

RE

16W

H

A11-G8WH

A1

1-G

18W

H

SPLICE PACK(457M)

CSTART SWITCHGROUND(1001)CH5_003

A17F18PK

A17FB18OR

CAT TCM CONN(1268)CH11_010

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

STARTER INTERLOCK, P. 2

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

STARTER INTERLOCK

CHAPTER 5

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067056 002- - INITIAL RELEASE. A 77636F

BATTERIES

ALTERNATOR

K2A10RS

K21RD

K2

-G1W

HK

2-G

2WH

ENGINEBLOCK

GROUND

W/ 2GAUGECHARGE

R

BG

+-

+-

W/ 1 GAUGE CHARGE

B

STARTERTERMINAL(6306/6307)

M

BSS

G

S

STARTERPOWER

- +

- +

K2B10RS

K2C10RS

06

BK

4/0BK

06

BK

4/0BK

06

BK

06

BK

06

BK

06

BK0

1B

K

FRAMEGROUND

ENGINE / CAB(2/2M)

B

L

KEY SWITCH(40M)

START FEEDADAPTER(509M)

W/ 1 GAUGE CHARGE

W/ LEECE NEVILLE

K2B10RS

K2A10RSK2

2RDW/2 GAUGE

CHARGEW/ BOSCH

06BK

FUSIBLELINK

FUSIBLELINK

* W/ ALLISON XMSN, # W/ MANUAL XMSN@ W/CAT XSMSN

XMSNBULKHEAD

(100)CH11_003

A17B14PK

STARTERRELAY (1003)

CH5_001

*K17B16PK

#K

17

C1

6P

K

ENGINE / CAB(2/2M)

K17C16PK

K17B16PK

XMSN BULKHEAD(100)

CH11_003

A

L

*K17C16PK

A1

716P

K

AD

ACC

C

OFF

B

SIGN

BATT

A17DB14PK

STARTER RELAY(1003)

CH5-001

A15 16RD

B1,BATTERY STUD(55F)

A14KD 14RD

H4 G4

B4 A4

FUSEF11-D

FUSEF11-M

25A

A14

RD

6R

D

@A

17D

14

PK

76 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

STARTER SWITCH GROUND, P. 3

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 05START SWITCH GROUND

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067056 003- - INITIAL RELEASE. A 77636F

85

86

30

87

E

A

STARTSWITCHGROUND

RELAY(1001-M1)

GND ADAPTER(448M)

A17F18PK

A1

1G

S14W

HA

11

-GB

8W

H

A17-G18WH

A4418GY

*A44A16GY

RIGHT CABGND STUD

(53F)

A11-G18WH

A11-GY16WH

RIGHT CABGND STUD

(53F)

START FEEDADAPTER(509M)

CH5_001

* W/ DRL

A66E16YL

CLUSTER CONN(422M)

CH8_001

DRL MODULE(513M)

CH9_011

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

FAN WIRING (CHAPTER 6)

FAN WIRING, P. 1

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 6FAN WIRING

W/ VARIABLE SPEED FAN

W/ 2 SPEED FAN

CIRCUIT DIAGRAM, C-660, C68030000027

05MAY1177636F AE08067057 001- - INITIAL RELEASE. A 77636F

58 5

K34-G

A18W

H

B

REMP1 5V

8

K23-G18TN

37

K2318TN

K23B

118T

N

A

49

EFAN

30

ECM 0V SPLICE(6707)

1

D

2

EFAN 12V

D

4

K34B

A18T

N

A

FSS

K2318TN

ECM 5V SPLICE(6706)

FSS 5V

18

K23C18TN

K34B

B18T

N

FSS GND

3

BOSCH ECM 1(6018)

K23A118TN

VARIABLE SPEED FAN(6420)

K23-G18WH

A

FAN SOLENOID

B

(227)

78 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

FAN WIRING, P. 2

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 6FAN WIRING (CONT)

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067057 002- - INITIAL RELEASE. A 77636F

K21-FL12BL

19

7

8 CSRD

3

2

K21B318TN

K21A118TN

21

ECM SENSOR INTERFACE(6033)

CSRE

20

1

CSRC

K14A18RD

6

FLAME START RELAY(8410)

K21A212TN

FLAME STARTGLOW PLUG

(6564)

FLAME STARTBATTERY POWER

(6565)

K21B218TN

K21B118TN

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

ENGINE SYSTEM (CHAPTER 7)

ELECTRONIC ENGINE CONTROLS, P. 1

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 7ELECTRONIC ENGINE CONTROLS

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067058 001- - INITIAL RELEASE. A 77636F

K14HA14RD

4

3

1BATTERY(+)

K14H

18R

D

BATTERY(+)

K14G14RD

BATTERY(+) 5 K14KA14RD

K1

4K

18R

D

TIMER 19 K14L18RD

GND K92BA1614WH

GND 6 K92C1614WH

GND 2 K92A1614WH

BOSCH ECM 1(6018)

CAN_H

CAN_L

A

35

K98YL18YL

K98GN18GN

ENGINEDIAGNOSTICCONNECTOR

(4328)

17KEYPWR K13D18PK

K14M14RD

K92D1614WH

BOSCH ECM 2(6019)

P

ENGINE / IP(2/2M)

A13EM16PK

10A

A3

FUSE F4-L(1002-M3)

49

8

ECM 5V ADAPTER(6706)

K34BB18TN

K34-GA18WH

FSS 5V

FSS GND

J1939 (-)

J1939 (+)

47

34

K5S(-)18GN

K5S(+)18YL

J1939 TERM.RESISTOR(7110)CH3_014,015

IGNITION RELAY(1001-M2)CH3_008

48

K92B1618TN

ECM 0V ADAPTER(6707)

D

B

VARIABLESPEED FAN(6420) CH6_001

K92A118TN

K23B118TN

2

1BATTERY(+)

TIMER

B

K14C10RD

A13D16PK

D

A

NEGATIVE FEED CONNECTOR

(1266/9260)

N14A10RD

B A

N144RD

ECM FUSE(9254)

25A

BATTERYPOSITIVE(9250)

A

K10WH516WH

A

POWER FEED CONNECTOR

(1267/9261)

N14-GA10WH

BATTERYNEGATIVE(9256)

N14-GF10WH

B3

80 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

ELECTRONIC ENGINE CONTROLS, P. 2

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

ELECTRONIC ENGINE CONTROL(CONT)

CHAPTER 7

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067058 002- - INITIAL RELEASE. A 77636F

BOSCH ECM 1(6018)

21

9

7

K41C18TN

K95H18TN

8

K41-GB18WH

K41A18TN

HCI INJECTORDOSING VALVE

(6260VH)

K41-GA18WH

9

6

5

K41B18TN

1

IAT

IAT GND

15

54

44

10

2 11K95J18TN

ENGINE SENSORINTERFACE

(6033)

4

39

K95VC18TN

K95VIR18WH

3

EXHAUSTLAMDA SENSOR

(6260VN)

K95VB18TN

K95VA18TN

46

33

1

2

6K95VE18TN

52

40

53 K95VD18TN 5

MAF 12V

MAF GND

MAF

HEATER +

NVOLT

VIRGND

HEATER -

PUMPCUR

TRIMRPS

50

B

E

THROTTLE POSITION SENSOR(267M)

A

F

C

D

A

B

P

ENGINE / IP(190/190M)

N

23

36 A99AV18VT

A99D18VT

A99-G18VT

A99-GD18VT

A99D5V18VT

A9918VT

54

K9918PL

C

11

55

O

K99D18PL

APS1 5V

APS1 GND

APS2 5V

APS2 GND

APS1

APS2

BOSCH ECM 2(6019)

K99D5V18PL

K99-GD18PL

K99-G18PL

K99A5V18PL

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

ELECTRONIC ENGINE CONTROLS, P. 3

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

ELECTRONIC ENGINE CONTROLS (CONT)

CHAPTER 7

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067058 003- - INITIAL RELEASE. A 77636F

BOSCH ECM 1(6018)

27

10EGT3 GND

EGT2

K95-GC18WHK95C18TN

CK95B18TN

@ VERTAFTR

(6720A)

A

K95-GA18WH B

E

F

K95A18TN

16

22

28

DK95-GB

18WH55

HK95E18TN12

ECL

3

1

2

4

J

K95DC18TN

25

K95-GE18WHK95T18TN

41

26

K95V18TN

49

K95D18TN

K95DA18TN

AFTERTREATMENTFUEL TEMP & PRESS

(6260VM)

AFP1 GND

EGT1 GND

EGT1

EGT2 GND

EGDP

AFP1

AFT

EGT3

BOSCH ECM 2(6019)

AFP2 5V 8

2

1ECL 12V 42

LOW COOLANTSENDER

(20)

42

APF2 50

APF2 GND 2

K95DB18TN

HCI FUELPRESSURE&TEMP

(6730)

1

K95R18TN

3K95S18TN

K95-GD18WH G

EGDP GND 41

K34C18TN

K34B18TN

* W/ VARIABLE SPEED FAN # W/ 2 SPEED FAN @ W/2010 ACCELERATOR AFTER VERTICAL EXHAUST% W/2010 ACCELERATOR AFTER HORIZONTAL EXHAUST

#K23-G18WH

EFAN

FSS

*K2318TN*K23-G

18TN

FAN SOLENOID(227)CH6_001

K23C18TN58

30

18

VARIABLE SPEEDFAN DRIVE (6420)CH6_001

#K2318TN

EFAN 12V

% HORIZAFTR

(6720)

82 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

ELECTRONIC ENGINE CONTROLS, P. 4

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

ELECTRONIC ENGINE CONTROLS (CONT)

CHAPTER 7

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067058 004- - INITIAL RELEASE. A 77636F

IAT GND

AMBIENT TEMP SENSOR(340)

43

K41D16LTGN

15

ENGINE SENSORINTERFACE

(6033)

1416 EGRDEGRD

IAT

K97Y18TN

EGRD

IAT GND

16

15 IAT

43

EGRD 14

A

ENGINE SENSORINTERFACE

(6033)

K97Y18TN

K41D16LTGN

BOSCH ECM 2(6019)

AMBIENT TEMP SENSOR(340)

B

EGRD

IAT GND

16

15 IAT

43

EGRD 14

ENGINE SENSORINTERFACE

(6033)

K97Y18TN

K41D18LTGN

K41E18LTGN

AMBIENT TEMP SENSOR(340)

2

1

HCI FUELVALVE

(6260VL)

K95K18TN

K95M18TN

7ASV-H

ASV-L 20

41D18TN

41E18TN

(1284)

B

A

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

ELECTRONIC ENGINE CONTROLS, P. 5

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

ELECTRONIC ENGINE CONTROLS (CONT)

CHAPTER 7

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067058 005- - INITIAL RELEASE. A 77636F

ECM CONNECTOR 2(6019)

A97CL18VT

27ACD-SW

AC RELAY(1003-M1)CH12_001 B

*K77A

E14LTG

N

##K23B18TN

K23B18TN

%K23AC18TN

FREON COMPRESSOR(6200)

C

A

%K77E14LTGN

#K23AD18TN

*#K23AC18TN

APADS(887)

GROUND ADAPTER(6704B)

K10-GB10WH

@ W/ AC & N/ FAN OVERRIDE & N/ APADS N/ REMOTE CONDENSER% W/ REMOTE CONDENSOR & W/ AIR CONDITIONING, N/ APADS* W/ APADS*# W/ AC, APADS, N/ FAN OVERRIDE# W/ APADS & / FAN OVERRIDE## W/ FAN OVERRIDE & N/ AC& W/ AC, FAN OVERRIDE & N/ APADS, REMOTE CONDENSER** W/ AC, FAN OVERRIDE & N/ APADS N/ REMOTE CONDENSER

K77-G16WH

A

C

A

B

AC PRESSURESWITCH(228)

B

A

FAN OVERRIDESWITCH(659)CH7_006

J

A4

FUSEF1-M

REMOTE ACCONDENSER(1461M)**

K2

3C

18T

N

%K23C18TN

A77C

18LTG

N

*#K23AC18TN

@K23T18TN

**K

23M

18T

N

ENGINE /DASH

(2M/2)

IGN RELA(1001-M2

CH3_009

K13D418PK

ENGINE / DASH(2/2M)

A13DF18PK

FAN OVERRIDE

SWITCH(659)

CH7_006

A

B

5A

K10-GA10WH

A

B

B4

K23A18TN

A23A18TN

CLUTCH SWITCH(294F)

K23B18TN

ENGINE / DASH(2/2M)

36

B4A415A

FUSEF4-MA13EA

12PK

**K

23T

18T

N ENGINE / DASH(2/2M)

Q

ENGINE / DASH(190/190M)

R

K97AH18PL

A97AH18VT

K23B18TN

K@

K23C

18

TN

A23B18TN

A13E16PK

HARNESSGROUND(6314)

84 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

ELECTRONIC ENGINE CONTROLS, P. 6

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

ELECTRONIC ENGINE CONTROLS (CONT)

CHAPTER 7

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067058 006- - INITIAL RELEASE. A 77636F

FAN OVERRIDE SWITCH(659)

2 A23A18TN

A

3A23B18TN

A62-GFO18WH8

SPLICE PACK(450M)

9

A11GV16WH

CLUSTER CONN J1(421M)

CH9_009

A A

10 A62FO18DK

GROUND SPLICEPACK 3(456M)

J

K

K23A18TN

IP/ENGINE CONN(2M/2)

K23B18TN

A/C PRESSURE SWITCH(228)

CH7_005

K23T18TN

A11-GFS16WH

A11-GF10WH

A11-G28WH

BOSCH ECM 2(6019)

CH7_005

K

A

GROUND ADAPTER(451M)

GROUND SPLICEPACK 5(457M)

A11-G

RE

16W

H

A11-G8WH

LEFT SIDE GND STUD

(56F)

A11-G

U16W

H

A11-G18WH

RIGHT SIDE CABGND STUD

(53F)

A62K18DKBL

PANEL LIGHT SPLICE ADAPTER 2

(504M)

KK K

K

A

K

A

A6

2B

18D

KB

L

A23-GL18WH

UENR1839© July 2011 Caterpillar. All rights reserved.

85

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CT660/CT680 CIRCUIT DIAGRAMS

ELECTRONIC ENGINE CONTROLS, P. 7

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

ELECTRONIC ENGINE CONTROLS (CONT)

CHAPTER 7

D

C

H

L

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067058 007- - INITIAL RELEASE. A 77636F

40M

53 A24AF18GY

A24AE18GY

K24AE18GY

K24AF18GY

LEB_SW2

5

3

1

8 10

6

4

ENG BRAKESELECTOR SW

(433M)

ENG BRAKEON / OFF(434M)

3

8

12

64

K62EB16DKBL

ECM CONNECTOR 2

(6019)

EB_SW1

BNO1 33 K97AL18PL

ENGINE/ DASH

(190/190M)

A62B18DKBL

CLUSTERCONN J1(421M)

CH9_009

LEFT SIDEGROUND STUD

(56F)

A62-GL18WH

6

10

5

26

2

A62K18DKBL

F

F2

D

A62-GEB18DKBL

A44V18GY

3

V39

A44EC18VT

K44EC18GYPB-SW

ENG. PARKBRAKE SWITCH

(1814)

2

2

A24A

D18

GY

A

G

F

A11-GFS16WH

A11-GF10WH

A11-G28WH

G

A

F

A62ES18DKBL

L2, PANELLIGHTS

ADAPTER(504M)

GROUNDADAPTER(456M)

IGN RELAY(1001-M2)

CH3_009

A13E16PK

C

E2

FUSEF1-F

A24A

M18G

Y

5A

F4A13C14PK

FUSEF8-H

IGN RELAY#2(1004-M1)

CH3_011

E415A

M97-GF18WH

M97AL18VT

A97ALV18VT

A97AL18VT

CRUISE SWITCH(141F)

LEFT FORWARD/IP

(1/1M)

97

A11

-GV

A18W

H

A

B

SPLICE ADAPTER(450M)

A11-GV16WH

SPLICE PACK(451M)

CH3_019

86 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

ELECTRONIC ENGINE CONTROLS, P. 8

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

ELECTRONIC ENGINE CONTROLS (CONT)

CHAPTER 7

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067058 008- - INITIAL RELEASE. A 77636F

GROUNDK10-GJ

16WH1

K10-GK16WH2

ENGINE SENSORINTERFACE

(6033)

GROUND

K10-GA10WH

HARNESS GROUND(LEFT ENGINE

BLACK GROUND)(6314)

3

4BATTERY

BATTERYK13F18PK

K13FA18PK

K13D418PK

ENGINE / IP(2/2M)

VSS-L

12

B

VSS-H

A13EA12PK

CSRD 19K21B318TN

IGN RELAY (1001-M2)CH3_009

CSRC 20K21B218TN

CSRE 21K21B118TN

*K4718GY

A

*K47A18GY

B

K10WH112WH

FUSEF1-M

A45A

B4

TRANSMISSIONCONTROLMODULE(7150)CH11_001

A13DF18PK

VSS(7600)

1313

A

@K97AK16PL

@K97AJ16PL

COLD STARTASSIST RELAY(8410)CH6_002

SPEEDO SENSOR(303M)

Q

FUSEF4-M

A4

A13E16PK

K97A

J1

16V

T

K125B18TN

K12518TN

SHIFT TOWERBULKHEAD(100F)

3

*=MANUAL TRANSMISSION@=ALLISON TRANSMISSION

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CRUISE CONTROL, P. 9

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CRUISE CONTROL

CHAPTER 7

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067058 009- - INITIAL RELEASE. A 77636F

CRUISE BRAKEON / OFF

SWITCH(435M)

22

CRUISE BRAKESET / RESUME

SWITCH(436M)

J

K97AE18PL

A97AE20VT

A97CRC18PL

RIGHT SIDECAB

GND STUD(53F)

BOSCH ECM 2(6019)

A62GCS18DKBL

A11GVC18WH

* W/ REMOTE CRUISE

# W/ CRUISE & N/REMOTE CRUISE

15A

A11GFS16WH

A62CRA18DKBL

A6216DKBL

A62GCR18DKBL

A97AB20VT

A62CRB18DKBL

K

I

#KP7AA18PL

#KP7AB18PL

23

52

*KP7CB18PL

C

A

B

REMOTE CRUISE(958F)

*KP7CA18PL

K97BB18VT

K97BA18VT

K97BA18VT

K97GG18VT

CABGROUND(382)

ENGINE/ DASH(190/190M)

INN FEED(1001-M3)

CH3_008

A11-GF10WH

A11-G

28W

H

BOSCH ECM 2(6019)

ENGINE/ DASH(190/190M)

K

A

D

A

GROUND ADAPTER(457M)

SPLICE PACK(451M)

A11-GU16WH

A11-GRE16WH

A11-G8WH

A11-G18WH

LEFT SIDEGND STUD

(56F) CLUSTERCONN J1(421M)

CH3_038

16

4

2

10

3

5

8

9

(BLUE LED)

7

(REDLED)

104

16

8

3

(BLUE LED)

7

5

9

2

(REDLED)

A97CRB18PL

A97AA20VT

A97CR18VT

FUSEF1-C

G3G3 H3A13D16PK

88 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

AFTERTREATMENT CONTROL, P. 10

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

AFTERTREATMENT CONTROL

CHAPTER 7

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067058 010- - INITIAL RELEASE. A 77636F

CLUSTER CONN(421M)CH9_009

INHIBIT REGEN SWITCH(1403)CH7_011

PARKED REGEN SW(1402)

A11-G28WH

GND ADAPTER(458M)

8

CAN-

A5M(+)18YL

9

7A95BA18TN

A95A18TN

GROUND

MSM 1 MODULECONNECTOR

(1406)

INPUT#2

A5M(-)18GN

A95-GA16WH

6

1

GNDADAPTER(456M)

SWITCHEDIGNITION

23

3

A95-GC16WH

CAN+

10

5

A95E18TN

A

L2, PANEL LTADAPTER(504M)

A

A95-G16WH8

A

B

A62B18DKBL

A11-GBA16WH

LEFT CABGND STUD

(56F)

K

BA62-GMS18DKBL

A11-GFS16WH

A1

1-G

F1

0W

H

MSM 2MODULE CONN(1407)CH7_011

A95FA18TN

RIGHT SIDECAB GND STUD

(53F)

A62PR18DKBL

A62K18DKBL

A11-GB8WH

A1

1-G

18W

H

F310A A3

E3

FUSE F1-G(1001-M3) IGN RELAY

(1001-M2)CH3_008

A95N18TN

2

J1939SPLICE PACK(1026)CH3_013

A13DA12PK

FUSEF4-L A13DA

16PK

UENR1839© July 2011 Caterpillar. All rights reserved.

89

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CT660/CT680 CIRCUIT DIAGRAMS

AFTERTREATMENT CONTROL, P. 11

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

AFTERTREATMENT CONTROL (CONT)

CHAPTER 7

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067058 011- - INITIAL RELEASE. A 77636F

MSM 1MODULECONN(1406)CH7_010

(457M)

OUTPUT_12

MSM 2 MODULECONNECTOR

(1407)

4

7

OUTPUT_9

5

A9

5F

A1

8T

N

A95IR18TN

6

PARKED REGEN

SWITCH(1402)

CH7_010

1

INHIBITREGEN SWITCH

(1403)

10

5A95N18TN

A

L2, PNL LTADAPTER(503M)

CLUSTER CONN

(421M)CH9_009

A62MSP18DKBL

A62A16DKBL

G

A

A11-GUF18WH

RIGHT SIDE CABGND STUD

(53F)

GNDADAPTER(451M)

G

A

A1

1-G

K16W

H

A11-GP12WH

9

A11-GRE16WH

A11-G8WH

A11-G18WH

A6216DKBL

90 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

GAUGES AND WARNING LIGHTS (CHAPTER 8)

GAUGES, P. 1

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 8

GAUGES

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067059 001- - INITIAL RELEASE. A 77636F

CLUSTER CONN J2(422M)

LEFT SIDEGROUND STUD (56F)

1

2

AIR TRANSDUCER(1812)

3

ZERO VOLTSPLICE PACK

(1021)CH3_036

4 A62DN16DKBL

PANEL LIGHT DIMMER SWITCH(425M) CH9_021

27

CHASSIS FRONTEND CONN(1701)

A36A18TN

PANEL LIGHT DIMMER SWITCH(425M) CH9_021

M2818TN

W/ LSM, UC FUEL TANK

R36A18TN

LEFT FUEL SENDOR(9100) CH8_002

W/ STANDARD

RIGHT FUEL SENDOR(9101) CH8_002

AIR RESTRICTION GAUGE(6703) CH8_002

W/ RSM OR DUAL UC FUEL TANK

6

VA31

18TN7

ENG 1(2)

A3118TN

B

7

R36A18TN

K31B16TN

W/ AUTO XMSN

AUTO XMSN TEMP SENDER(236F) CH8_003

K3016TN

XMSN OIL TEMP SENDER(236) CH8_003

W/ MANUAL XMSNK31

18TN

ENGINE OIL(393) CH8_003

A3018TN8

9 A618LTGN

0 VOLT SOURCE SPLICE PACK(1021) CH3_036

10 A918LTGN

5 VOLT SOURCE SPLICE PACK(1020) CH3_035

12A11-G2

8WHA62-GCL

18WHA11-GD

8WH

13 A40B18GY

FRONT END CONN(1)

V

TAIL / CLEARANCE SPLICE PACK(1015) CH9_014

15 A54CL18BN

OPEN

44

43

CHASSIS FRONT END CONN(1701)

A3218TN

16 A32A18TN

17 M3218TN

M32A18TN

FORWARD REAR AXLE TEMP SENSOR(9811) CH8_003

RR AXLE TEMP SENDER(9812) CH8_003

18

ENG 2(190M)

K49D16GY

GROUND FEED CONNECTOR(1266)

19 A4418GY

START SWITCH GROUND RELAY(1003-M1) CH5_003

A62UP18TN

TA97WF18PL

B

A

CA40A18GY

A95A18LTGN

A65A18LTGN

B

A

CA4018GY

A9PA18LTGN

A6PA18LTGN

5 VOLTSPLICE PACK

(1020)CH3_035

AIR TRANSDUCER(1811)

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

FUEL SENDER, P. 2

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

FUEL SENDER

CHAPTER 8

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067059 002- - INITIAL RELEASE. A 77636F

B

ZERO VOLTSOURCESPLICE

PACK(1021)

27

B

A

B

A

R36A18TN

A36A18TN

R9A18GY

R36A18TN

R9B18GY

N2818TN

A

C

B

A9B18GY

8 1

A

C N28-4

18WH

A918LTGN

W/RSM OR DUALVCFUEL TANK

W/STANDARD

W/LSM VC FUEL TANK

CHASSIS AND SPLICE PACK

(8809)

GROUND AT DASH(9717B)

CLUSTER CONN J2(422M)

CH8_001ISOLATED ANDSPLICE PACK

( 8802)

CLUSTERCONN J2(422M)

CH8_001

AIRRESTRICTION

GAUGE (6703)

CHASSIS FRONT END

CONN (1701)

LEFT FUELSENDER(9100)

A

RIGHT FUELSENDER(9101)

N1

1-G

B12G

Y

92 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

AUTO XMSN TEMP SENDER, P. 3

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

AUTO XMSN TEMP SENDER

CHAPTER 08

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067059 003- - INITIAL RELEASE. A 77636F

D

CHASSISFRONT END CONN

(1701)

A

B

HARNESSGND

(6314)

E

B

K31B16TN

K31-416WH

K3118TN

ENGINE OIL(393)

K3016TN

K30-4B16TN

K31-416TN

AMANUAL XMSN

FORWORD REAR AXLE

TEMP SENSOR(9811)

M32A18TN

M3218TN

M9HB18GY

M9HA18GY

M9F18GY

A9B18GY

K10-4A10WH

ZERO VOLT SOURCE SPLICE PACK

(1021)

8

ISOLATED AND

SPLICE PACK (8802)

1

RR AXLE TEMP SENDER

(9812)

AUTO XMSN TEMP SENDER

(236F)

B

V

43

A

GROUNDSPLICE(6704B)

B

A

B

A

B

A

B

A

B

A

A

B

A

B

A

B

A

B

A3118TN

A3018TN

A32A18TN

A918LTGN

44

CLUSTER CONN (422M)

CH8_001

AUTO XMSNAUTO XMSN

MANUAL XMSN

ENG 1(2)

W/REAR AXLE TEMP

W/STD AXLE TEMP

XMSN OIL TEMP SENDER

(236)

M9H18GY

K10-4

B16W

H

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

LIGHTING SYSTEM (CHAPTER 9)

TAIL LIGHT, STOP LIGHT, P. 1

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 9TAIL LIGHT, STOP LIGHT

- - INITIAL RELEASE. A 77636FCIRCUIT DIAGRAM, C-660, C68023074097

09MAY1177636F AE08067060 001

H2

E2

TRAILERSTOP RELAY

(1001-M1

C1

A1

A4

F1

CAT TCMCONN

(1268)CH11_010

STOPLIGHTRELAY

(1001-M1)

E3

IGNITION RELAY #2(1004-M1)

CH3_011

G2

B3

FUSEF8-D

GREEN ABS TRAILER SOCKET 1

9780M/9780MBCH10_010

A2

20A

RIGHT SIDE CAB

GROUND STUD(53F)

A3

F2

CHASSIS FRONTEND CONN(1701/1701M)CH9_002

START RELAY(1003-M1)

CH5_001

F3

G4

15A

A3

STOP SWITCH(640)

CH9_013

B2

H3

B2 BATTERY STUD (51F)

A3

E1

A

START SWITCH GROUND

(1001-M1)

B1

A2

B4

STOP LIGHT SPLICE PACK

(403)

REVERSERANGERELAY

(1001-M1)

GROUNDADAPTER(458M)

10A

86

85

30

87

86

85

30

87

86

85

30

87

A7

0B

B1

40

R(A

14

FC

)

(A1

1-G

S)

A

11

-GS

14W

HA

11

-GB

8W

H

A

H

A11

-GT

14W

HA

11

-GB

A16W

H

F8

-L

(A14F

B)

A

14F

B10R

D

A71

16

0R

(A1

3C

A)

A13

C1

4P

K

A7

1F

B1

80

RA

17F

A18

PK

A9

218

TN

A71A

16

0R A7

1B

18

0R

A94SS18GY

A

E

D A70BA140R

A70

D1

80

R

A70A140R

A11-G18WH

A7

0E

10

0R

F7

-L

F7-K

G3

FU

SE

F7-C

A14F

C10

RD

A14F6RD

FU

SE

F8-G

FU

SE

F7

-B

ABS-6ECUCONNECTOR 3

(1360)CH10_005

A70T

10

0R

A13C

A14

PK

K9

216T

N

BODY BACK-UPLIGHT

(1001-M2)CH9_016

ENG/IP(2/2M)

94 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

TAIL LIGHT, STOP LIGHT, P. 2

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

TAIL LIGHT, STOP LIGHT (CONT)

CHAPTER 9

GREEN ABS TRAILERSOCKET 1

9780M/9780MBCH10_010

- - INITIAL RELEASE. A 77636FCIRCUIT DIAGRAM, C-660, C68023074097

09MAY1177636F AE08067060 002

1

2

4

3

A

B

D

E

C

N71A14OR

N5614OR

N6814BN

N10G12WH

B

A

A54F18BN

A6816BN

A56RC16OR

A71A16OR

RIGHT TAIL LIGHT(72)

CONECTOR TODASH HARNESS(1701/1701F)

BODY BACK UP LIGHT

(1001-M2)CH9_016

TAIL/CLEARNCESPLICE PACK

(1015)

LEFT TURNSTOP RELAY(1004-M1)

CH9_012

B

30

BB

D4

85

86

F10-M

TAIL LIGHTRELAY

(1003_M1)

A58P18BN

B

A

BBB

N11-GA12GY

R5714OR

CHASSIS GNDSPLICE PACK

(8807)RIGHT TURN STOP RELAY(1004-M1)CH9_012

A57RC16OR

MARKERINTERRUPT

SWITCH(1404M)CH9_021

B

A

BBB

* W/ CAT XSMSN

A58-G18WH

GND ADAPTER452M

C4

87

A4

C3 A68V10BN

D3

30A

GNDAT

DASH(9717B)

(A14D

)

B2 BATTERYSTUD(51F)

E4

A14D10RD

FUSEF10-H

A11-GBB16WH

A11-GB8WH

A1

1-G

18W

H

R7114OR

R6814BN

R10G14WH

R1

0-G

A14W

H

R68A14BN

R71A14OR

R5

71

4O

RR

68

B14

BN

R1

0G

B14W

H

R71B

14

OR

STOP TAIL & TURNCHASSIS TAIL LIGHT

(9303A)

LEFT TAIL LIGHT(73)

#A

68

E1

0B

N

R5614OR

*A68T16BN

*A68

E1

6B

N

A14W8RD

# W/NO TRAILER SOCKET* W/STD SOCKET

F4

*A71A16OR

REVERSE RANGERELAY

(1001-M1)CH9_001

RIGHT SIDE CABGROUND STUD

(53F)

UENR1839© July 2011 Caterpillar. All rights reserved.

95

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CT660/CT680 CIRCUIT DIAGRAMS

DOME LIGHT SWITCH, P. 3

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

DOME LIGHT SWITCH

CHAPTER 9

CIRCUIT DIAGRAM, C-660, C68023074097

09MAY1177636F AE08067060 003- - INITIAL RELEASE. A 77636F

RIGHTPOWERWINDOW(1033)CH9_006

GROUND SPLICEPACK 5 (457M)

SPLICE PACK

(451M)

PANEL LIGHT SPLICEADAPTER 2 (504M)

LEFT SIDE CABGND STUD

(56F)

DOME LIGHT SWITCH(442M)

D

A

B2 BATTERYSTUD (51F)

CLUSTERCONN-J1(421M)

CH9_009

H3

FUSEF10-C

GROUNDSPLICEPACK 3 (458M)

G315A

A62DL18DKBL

A62K18DKBL

A63LV18DKBL

A6316DKBL

A14C10RD

A14W8RD

J

A

K

A

A63-GUH18WH

A11-G18WH

A11-GFS16WH

A11-G28WH

RIGHT SIDE CAB GRDSTUD(53F)

A63GF18WH

4

16

8

3

(BLUE LED)

7

5

9

2

10

(REDLED)

ALLGU16WH

A11-GRE16WH

A11-G8WH

A

D

G

B C

A

A63DC18DKBL

E63C18DKBL A

POWERWINDOW

LEFT(1034)

E63-GA14WH

A83-GA14WH

GROUND ADAPTER(456M)

DOOR SWITCH/DOMECOURTESY LIGHT

(1051F)LEFT POWER

DOOR LOCK(1048)

A1

1-G

F10W

H

BF

E63B18DKBL

A

RIGHT POWER DOOR LOCK

(1043)

RIGHT POWER DOOR LOCK

(1043) F

A

A63-GW18WH

DOOR SWITCH/DOMECOURTESY LIGHT

(1051F)

E63-GW18WH

A63DB18DKBL

H A

A62B18DKBL

A62-GDL18WH

A6

3L

18

DK

BL

A63T

18D

KB

L

A11-GE10WH

A1

1-G

D8W

H

A6

3S

16D

KB

L

GROUNDSPLICEPACK 2 (455M)

A11-GBA16WH

A1

1-G

B8W

H

A11-G18WH

RIGHTSIDE

CAB GRDSTUD(53F)

E63-GZ18WH

A63Y18WH

ROOF CONN 1(429)CH9_004

96 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

DOME LIGHT, P. 4

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

DOME LIGHT (CONT)

CHAPTER 9

CIRCUIT DIAGRAM, C-660, C68023074097

09MAY1177636F AE08067060 004- - INITIAL RELEASE. A 77636F

D63-GF16WH

9 GC63-GF

16WH

B

C

A

C63-GB18WH

B

A

C

C63-G

C18W

H

C

J

D

1

14

2C63C

18DKBL

C63-GJ18WH

C63-GK18WH

C63-GF16WH

C63-GF16WH

C6

3-G

H18W

H

C63

B18

DK

BL

DOME LIGHT(1142)

D63C18DKBL

D63-GK18WH

D63B18DKBL

DOME LIGHT(1141)ROOF CONN 1

(429)

HEADLINERHARNESS CONN

(403)

HEADLINERHARNESS CONN

(430)

A63C18DKBL

OPEN

A63B18DKBL

B2 BATTERYSTUD(51F)

FUSEF10-C

H3G315A

SS1

ROOF CONN 1(429)

A6316DKBL

DOME LIGHT SWITCH(442M)

CH9_003

A63GF18WH

A14C

10R

DA

14W

8R

D

A

C

B

C

A

B

UENR1839© July 2011 Caterpillar. All rights reserved.

97

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CT660/CT680 CIRCUIT DIAGRAMS

MAP LIGHT, P. 5

MAP LIGHT

CHAPTER 9

E

15A

FUSEF10-D

G4

B C

F

B2 BATTERY STUD (51F)

H4

F10-M

I

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CIRCUIT DIAGRAM, C-660, C68023066090

23JUN1177636F AE08067060 005- - INITIAL RELEASE. A 77636F

10

A11-G18WH

RIGHT SIDECAB GROUNDSTUD (53F)

3

A11-G8WH

A63

-GG

16W

H

A63-G

G16W

H

A63

E18D

KB

L

A6

3D

18

DK

BL

A6

3E

18D

KB

L

A6

3E

18D

KB

L A

63E

18D

KB

L

(SA

51

)

4

A6

3-G

G16W

H

HEADLINER HARNESS CONN(430)

IP-ROOF CONN(429)

A63-G

E18W

H

A63-G

D18W

H

A63D

18D

KB

L

A14W8RD

A14D10RD

(A14D)

A63E

18D

KB

L

C

98 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

DOOR COURTESY LIGHT, P. 6

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

DOOR COURTESY LIGHT

CHAPTER 9

CIRCUIT DIAGRAM, C-660, C68023074097

09MAY1177636F AE08067060 006- - INITIAL RELEASE. A 77636F

G

B

A

DOOR COURTESYLIGHT CONN #2

(1126M)

LEFT POWERDOOR LOCK(1048M)

E63X18DKBL

E63Y18DKBL

C

A63V18DKBL

A63X18DKBL

A63Y18WH

DOME LIGHTSWITCH(442M)

CH9_003A

63A

18

DK

BL

A63S16DKBL

W/DRIVERSIDE

B2,BATTERY

STUD(51F)

15A

G3 H3

FUSEF10-C

RIGHT POWERWINDOW(1033)

A1

4W

8R

D

A14C10RD

A63H

18D

KB

LE63V18DKBL

E63H18DKBL

DOOR COURTESYLIGHT CONN #1

(1126)

DOOR COURTESYLIGHT CONN #1

(1126)

W/PASSENGERSIDE

A

A

A

A

DOOR COURTESYLIGHT CONN #2

(1126M)

UENR1839© July 2011 Caterpillar. All rights reserved.

99

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CT660/CT680 CIRCUIT DIAGRAMS

FOG LIGHT, P. 7

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

FOG LIGHT

CHAPTER 9

CIRCUIT DIAGRAM, C-660, C68023074097

09MAY1177636F AE08067060 007- - INITIAL RELEASE. A 77636F

FRONT END CONN(1M)

GROUND ADAPTER(452M)

RIGHT SIDE CABGROUND STUB(56F)

GROUND SPLICE PACK5(457M)

PANEL LIGHTSPLICE ADAPTER(504M)

7

A

B

BUMPER FOG LIGHT(8200)

M

F

J

RIGHT FRONTCHASSIS (3M)

A

H

8

CH

AS

SIS

IN

TE

RC

ON

N(4

32

7)

CLUSTER CONN J1(421M)CH9_009

RIG

HT

FR

ON

T C

HA

SS

IS(3

M)

M

GROUNDADAPTOR(451M)

RIGHT SIDE CABGROUND STUD(53F)

NN

FR

ON

T E

ND

CO

NN

(1M

)

6

LO

W B

EA

M

RE

LA

Y

(1003

-M1)

A11-GRE16WH

A11-G

8W

HA

11

-G1

8W

H

K

M64L

14Y

L

M6

4R

14

YL

M64

-LG

B14W

H

A64R14YL

A62FL18LTGN

M64-R

GB

14W

H

A11-GI8WH

A11-G28WH

A64-L

GB

14W

H

A11-GB8WH

A6

4-R

GB

14

YL

A62-GFL18WH

A11-GBB16WH

A11-GB8WH

87

85

30 86

A64B

14Y

L

5

64 3

2

1

A62B18DKBL

A6

4A

14

YL

A12AD16LTBL

A1

1-G

RE

16W

HA

LL

-GV

16W

HA

11

-GV

16W

H

GROUNDADAPTOR(457M)

ACCESSORYFEED

(1003-M1)CH3_006

RIGHTSIDE CABGROUNDSTUD(53F)

FUSEF4-J

E1

FOG LIGHTRELAY(1003-M1)

A64

D1

6Y

L

A64

D1

6Y

L

F1

E2 F2

W/DRL

A1

A11

-G8W

H

A1

1-G

18W

H

(A5

02

G)

A

50-G

18W

H

A6

41

4Y

L

22

DRL(513M)CH9_011

B1

GROUND ADAPTOR(450M)

M6

4-A

16

YL

M6

4-G

B16W

H

15A

A1

FOG LIGHTSWITCH(440)

N/DRL A64

D1

6Y

L

A64L14YL

A11-GVC18WH

A64L14YL

100 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

HEAD LIGHT BUMPER, P. 8

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

HEAD LIGHT BUMPER

-

C2

CIRCUIT DIAGRAM, C-660, C68023074097

19MAY1177636F AE08067060 008- - INITIAL RELEASE. A 77636F

IP/RIGHT FORWARD(3M/3)

2

C2

* W/ DRL

RIGHT SIDECAB GROUND STUD

(56F)

A

B1,BATTERYSTUD(55F)

B2

HOOD INTERCONNECT(8000)

HIGH BEAMRELAY

(1003-M1)

D1

LOW BEAM RELAY

(1003-M1)

1

2

G1

A2

3

CHASSIS INTERCONNECT(4327R/4327)

GROUND ADAPTER(452M)

D2

1

B1

3

C1

F

TURN SIGNALSWITCH

(4M)CH9_010

A1

CHAPTER 9

G

F

A

G

A

B

A

CM53A14YL

M52A14YL

M52L14YL

M53L14YL

M11-LGA14WH

M11-RGA14WH

A52L16YL

A53L16YL

A11-GI8WH

A1

1-G

28W

H

A53R14YL

A52R16YL

86

85

30

87

A50BH18YL

86

85

30

87

(A50-G)

A50BL18YL

A5

11

4Y

L

(A5

1)

A11

-GB

B16W

HA

11

-GB

8WH

A1

1-G

18W

H

A50-G

18W

H

(A14KA) A14KA14RD

A14K6RD

FUSEF11-J

FRONT END CONN(1M/1)

B

A

C

M52A14YL

M53A14YL

A5216YL

A11-LGA16WH

A11-RGA16WH

A1

1-G

B8W

HA

11

-G1

8W

H

A5314YL

F

M11-GA14WH

M11-GA14WH

M52R14YL

M53R14YL

HOOD INTERCONNECT(8000)

CHASSIS INTERCONNECT(4327L/4327)

A64C14YL

LEFTSIDE

GROUNDSTUD(56F)

(25A)

B1A1F11-A

*A66F16YL

A52CL18YL

DRL(513M)

CH9_011

CLUSTERCONN

(421M)CH9_09

RIGHT SIDE CAB GROUND STUD (53F)

UENR1839© July 2011 Caterpillar. All rights reserved.

101

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CT660/CT680 CIRCUIT DIAGRAMS

PANEL LIGHTS, P. 9

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

PANEL LIGHTS

CHAPTER 09

CIRCUIT DIAGRAM, C-660, C68023074097

09MAY1177636F AE08067060 009- - INITIAL RELEASE. A 77636F

CRUISE CONTROL SET/RESUME SWITCH (436M) CH7_009

(A190)A14CL16RD

A14A10RD

A14W8RD

CAN LOW

A1

B2,BATTERYSTUD(51F)

FUSEF10-J

G1

F10-A

CLUSTER CONN.(421M)

6

A57CL180R

5A

2

A56CL180R

RIGHT TURN /STOP RELAY(1004-M1)CH9_012

3

A6216DKBL

A62A16DKBL

A62C18DKBL

A62CRA18DKBL

A62HZ18DKBL

A62CRB18DKBL

IGN RELAY#1(1004-M1)

CH3_010

PANEL LIGHT SPLICE ADAPTER1(503M) CH3_038

PANEL LIGHT SPLICE APAPTER3 (506M) CH3_040

CRUISE BRAKE ON/OFF SWITCH(435M) CH7_009

LEFT TURN /STOP RELAY(1004-M1) CH9_012

5

A62K18DKBL

A62B18DKBL

A62P18DKBL

A62RA18DKBL

HAZARD LIGHT SWITVH(1408M) CH9_022

PANEL LIGHT SPLICE ADAPTER 2(504M) CH3_039

HVAC CONTROL(1057)

CH12_002

13

FUSEF8-J

RADIO 1(426)

CH4_006

A52CL18YL

A5216YL

A52L16YL

A52R16YL

A66F16YL

J1939 DATALINK(1386)

CH3_012

FRONT END CONN(1M/1)

CH9_008

CHASSIS FRONT END CONN(1701)

A11-GCL16WH

A11-GD8WH

A11-G28WH

DRL(513)

CH9_010

10

A2818TN11

A5C(+)18YL12

A5C(-)18LTGN

LEFT SIDE GROUND STUD(56F)

1BATTERY

RIGHTTURN/STOP

LEFTTURN/STOP

CAN HIGH

B1

7

8

5A G2B1 A1A13CL

18LTGNA13A14PK

F8-BA13AA14PK

HIGH BEAM RELAY(1003-M1)

CH9_008

IP/ RIGHT FORWARD CONN(3M/3)

CH9_008

102 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

TURN SIGNAL SWITCH, P. 10

CHAPTER 9TURN SIGNAL SWITCH

- - INITIAL RELEASE. A 77636F

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CIRCUIT DIAGRAM, C-660, C68023074097

19MAY1177636F AE08067060 010

RIGHT TURN RELAY(1004-M1)CH9_012

A82F16GY

A50BH18YL

F8-B

A4

B2

A57140R

FUSEF11-M

(A13AA)A82B16GY

A56140R

A82D16GY

A10218GY

A87MB16GY

A2

3

S

WASHER PUMPCONNECTION(9M)CH10_013

GROUNDSPLICE

PACK(452M)

CH9_021

O

N

IGN RELAY#1(1004-M1)CH3_010

A55S140R

B4

FUSEF8-K

A14KD14RD

M87MB16GY

A14K6RD

B1,BATTERYSTUD(55F)

WINDSHIELDWIPER MOTOR

(430)

A50B18YL

5A

E1

N

A50BL18YL

A50BL18YL

FUSEF8-E

HEAD LIGHT SWITCH(456M_6)CH9_023

LOW BEAM RELAY(1003-M1)CH9_008

A50BL18YL

A82E16GY

IP/RIGHT FORWARD(3M/3)

4

5

2

6

9

1

7

12

11

8

10

20A

5A

(A13A)

C

B

A

T

M

E

D

K82-GC18WH

K82-GC18WH

K82F16GYK82F16GYK82F16GYK82F16GY

K82D16GY

K82E16GY

K82C16GY

A82C16GY

A82-GC16WH

H

EHG1/IP(2M/2)

A57S18OR

A56R18OR

IGNITION RELAY(1004-M1)CH3_010

LEFT TURN STOP RELAY(1004-M1)CH9_012

HIGH BEAM RELAY(1003-M1)CH9_008

A13A14PK

G2

G2

F1 A13A14PK

F8-B

A56S18OR

A57R18OR

RIGHT TURN STOP RELAY(1004-M1)CH9_012

LEFT TURN RELAY(1004-M1)CH9_012

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

LIGHTS – TURN LEFT, RIGHT W/DRL, P. 11

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 9LIGHTS-TURN LEFT,RIGHT W/DRL

CIRCUIT DIAGRAM, C-660, C68023074097

09MAY1177636F AE08067060 011- - INITIAL RELEASE. A 77636F

A14K

C14

RD

A1

4K

6R

D

IGNITION RELAY(1001-M2)

CH3_009

A13E

16

PK

A3

C

B3

G

25A

E

RIGHT SIDECAB GROUND

STUD(53F)

B

A66A14YL

A66F16YL

IGN RELAY #1(1004-M1)

(A14KC)

A

A66D14YL

A64D16YL

F

(A13

E)

H

D

GROUNDADAPTOR(457M)

PARKBRAKESWITCH(1813)

FOG LIGHT SWITCH(440M)CH9_007

A5216YL

F2

A66HR180R

558

C

A

AE

A1

3-G

18W

H

A11-GRE16WH

A11-G8WH

A11-G18WH

DRL(513M)

15A

B1,BATTERYSTUD(55F)

E

J2

HIGH BEAM RELAY(1003-M)CH9_008 (A

13-G

)

A13G

M

A57D180R

LEFTTURNW/DRL(1004-M1)

A66H16YL

A66HL180R

A66E16YL

A44B16GY

C

A66-GA14WH

AA

A

A11-GRD16WH

A11-G16WH

A11-G18WH

START SWITCHGROUND RELAY(1001-M1)CH5_003

B

A64C14YL

W/DRL

GROUNDADAPTOR(453 M)

A44-G

A18

LT

GN

A11-GD8WH

A11-G28WH

RIGHT SIDECAB GROUND

STUD(53F)

A44A

16G

Y

A5314YL

A4

4A

16

GY

LOW BEAM RELAY(1003-M1)CH9_008

A11

-GB

B16W

H

A11-GB8WH

A1

1-G

18W

H

GROUNDADAPTOR(452M)

A56D180R

LEFT SIDEGROUND STUD(56F)

LEFT TURN RELAY(1004-M1)CH9_012

G2

G1

F1

G4

G3

F3

F4

RIGHT TURNRELAY(1004-M1)CH9_012

8685

30

87

85

30

87

86

RIGHTTURNW/DRL(1004-M1)

N/DRL

A6

6-G

R18

YL

A66

GL

18

YLD

FUSEF11-L

A4

G4 H4

FUSEF4-D

G3

F4-M

F11-C

RIGHT SIDECAB GROUND STUD(53F)

104 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

STOP, TAIL, TURN AND HAZARD SIGNAL W/FLASHER, P. 12

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

STOP, TAIL, TURN AND HAZARD SIGNAL W/FLASHER

CHAPTER 9

CIRCUIT DIAGRAM, C-660, C68023074097

09MAY1177636F AE08067060 012- - INITIAL RELEASE. A 77636F

2

1

3

A56-G18WH

A56CL180R

A11-GB8WH

FRONT ENDCONN1M/1

A11-GB8WH

5

E1

A5

5V

12

0R

25A

4

A4

8587

3086

87

30

87A

30

85

86

87

30

87A

30

85

86

85

87

3086

A55A

16O

R

A-11GBB16WH

A56S

18O

R

B4

A56AA16OR

A56C16OR M56/57C

14ORM56/57B

16OR

FRONT ENDCONN (IM-1)

M56C14OR

5

(3M-P)RIGHT FRONT

M57C14OR

M11-GB16WH

CHASSISINTERCONN

(4327L/4327R)

M11-RGB14WH

M11-LGB14WH

CHASSIS INTERCONN(4327-4)

CHASSISINTERCONN(4327-7)

D

(A57-9)

A57S

18O

RRIGHT TURN

W/DRL(1004-M1)

CH9_011

A57CL18OR

A5

7A

A1

60

R

A5714CR

TURN SIGNALSWITCH(4M)

CH9_010A

57

-G18W

H

A57R180R

A

B

A60LA

16

0R

(A56-G)

3

2

A60R160R

A56R

C1

60

R

A56RC16OR

HAZARDLIGHT

SWITCH(1408M)CH9_022

A5614OR

B

A

C

A70A

L1

40

RA

70A

R1

40

R

GROUND SPLICEPACK7 (452M)

STOP LIGHTSPLICE PACK

(403)

A3

E4

C4 D4

E3

C1

C3

A2

C1 C2D2

RIGHT TURNRELAY SPLICE

PACK(401)

CH9_013

LEFT TURN STOP RELAY(1004-M1)

B1,BATTERY

STUD(55F)

RIGHT TURN STOP RELAY(1004-M1)

STOP LIGHTSWITCH(640)

CH9_013

M54B16BN

A54L14BN

GROUND STUD

A70A140R

M70

A1

60

R

SIDE TURN MARKER(8165)

STOP TAIL ANDTURN (9303A)

CH9_002

RIGHT SIDE CABGROUND STUD

(53F)

B2

B1A1

E1

A5

6A

16

0R

A5

51

60

R

LEFT TURN RELAY(1004)

A5

7R

16O

R

TURN SIGNALSWITCH(4M)

CH9_O10

CHASSIS FRONTEND CONNECTOR(1701/1701F)

A57RC16OR

B3

25A TURN/HAZARD

FLASHER(480M)

A14K6RD

RIGHT TURN RELAY

(1004-M1)

F1

FUSE F11-E(1004-M2)

A5

A16

OR

HAZARD SWITCHDIODE

(1409M)CH9_022

A57B

16O

R

A57D18OR

CLUSTER CONN J1(421M)

CH9_009

LEFT TURNW/DRL

(1004-M1)CH9_012

A56D18OR

LEFTTURNRELAYSPLICEPACK(400)CH9_013

A56B16OR

A57C16OR

M54C14BN

K

A54L14BN

CLUSTER CONN J1(421M)

CH9_009

TAIL/CLEARANCESPLICE PACK

(1015)CH9_014

UENR1839© July 2011 Caterpillar. All rights reserved.

105

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CT660/CT680 CIRCUIT DIAGRAMS

SPLICE PACK – LEFT, RIGHT TURN, STOP LIGHT, P. 13

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATEPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CIRCUIT DIAGRAM, C-660, C68023066090

23JUN1177636F AE08067060 013- - INITIAL RELEASE. A 77636F

C

STOP LIGHT RELAY(1001-M1)CH9_001

A

MIRROR MOTER/HEAD LIGHT/POWER CONNECTION (1050M)

20A

BODY RIGHT TURN RELAY(1002-M2)CH9_015

B1,BATTERY

STUD(55F)

B

BODY LEFT TURN RELAY(1002-H2)CH9_015

FUSE F11-F(1004-M2)

RIGHT POWER MIRRORCOURTESY LIGHT CONN(1054M)

A70D180R

A70BA140RA

BODY STOP RELAY(1002-M2)CH9_015

STOP LIGHTSPLICE PACK

(403)

STOP SWITCH(640)

A57CT180R

A70A140R

A57B160R

A56CT180R

C

A56MT180R

D

A57BBC180R

F

E

1M

A56BBC180R

E2

D

TRAILER LEFT TURN RELAY(1001-M1)CH9_018

LEFT TURN/STOP RELAY(1004-M1)CH9_012

A57MT180R

A70120RF2

B

A14K6RD

LEFT TURN FROMRELAY SPLICE PACK

(400)

A56B160R

A14KB14RD

A

TRAILER STOP RELAY(1001-M1)CH9_0001

A70AR140R

A70AL140R

RIGHT TURN/STOP RELAY(1004-M1)CH9_012

C

RIGHT TURN RELAY(1004-M1) CH9_012

D

A

RIGHT TURN FROMRELAY SPLICE PACK

(401)

LEFT TURN RELAY(1004-M1) CH9_012

I

A70BBC18RD

TRAILER RIGHT TURN RELAY(1001-M1) CH9_018

B

J

SPLICE PACK-LEFT, RIGHT TURN, STOP LIGHT

106 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

TAIL/CLEARANCE SPLICE PACK, P. 14

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 9TAIL / CLEARANCE SPLICE PACK

D

E

F

TRAILER1001-M1(F4)

G

A

B

C

CIRCUIT DIAGRAM, C-660, C68023074097

09MAY1177636F AE08067060 014- - INITIAL RELEASE. A 77636F

A68E10BN

A54F18BN

A54CL18BN

A68BBC18BN

A58A18BN

A54D18BN

TAIL/CLEARANCESPLICE PACK

(1015)

CLUSTER CONN J2(422M)CH8_001

ROOF CONN 1

RADIO 1(426)CH4_006

BODY TAIL RELAY(1001-M2)CH9_016

A54R14BN

A6816BN

TAIL LIGHT RELAY(1003-M1)CH9_002

CHASSIS FRONT END CONN1701/1701F

SIDE TURN MARKER(8165)

CH9_012RIGHT FRONT CHASSIS

3M

4

KA54L14BN

M54B16BN

K

SUNSHADE CLEARANCELIGHT(345F)

CH9_017

SIDE TURN MARKERCH9_012

FRONT END CONN1M/1

M54B16BN

STOP TAIL AND TURNLIGHT

(9303A)CH9_002

UENR1839© July 2011 Caterpillar. All rights reserved.

107

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CT660/CT680 CIRCUIT DIAGRAMS

BODY: TURN LEFT, RIGHT, MARKER STOP, P. 15

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 9BODY : TURN LEFT, RIGHT, MARKER STOP

RIGHT SIDE CAB GROUND STUD

(53F)

20A

CIRCUIT DIAGRAM, C-660, C68023074097

09MAY1177636F AE08067060 015- - INITIAL RELEASE. A 77636F

A1

1-G

X16W

H

FUSE F5-M(1002-M2)

BODY BUILDER CONNECTIONS

(4450M/4460BM)CH10_008

B2

D

(A14HA)

BODY BUILDER CONNECTIONS

(4450M/4460BM)CH10_008

D

A5

7B

16

OR

A57B

B1

6O

R

H2

A54B

B18

BN

A70B

B14R

D

BODYSTOP

RELAY(1002-M2)

F

BODYLEFTTURN

RELAY(1002-M2)

A56B

BC

18

OR

RIGHT TURN RELAY

(1004-M1)CH9_013

G2

A14H

B1

0R

D

FU

SE

F5-G

(1002-M

2)

B3

A5

4B

BC

18

BN

30A

B1 BATTERYSTUD (55F)

C1

85

86

F3

A56B

C16

OR

F1

A14H

8R

D

A56B

BC

18

OR

20A

F2

FUSE F5-C(1002-M2)

87

A7

0B

BC

18R

D

85

C

E2

30

B4

85

87

BODY BUILDER TURN/STOP

(4460M/4450BM)CH10_008

D1

85

(A14HA)

86

G1

LEFT TURN FROM RELAY

SPLICE PACK(400)

C2

BODY BUILDERCONNECTIONS

(4450M/4460BM)CH10_008

E3

BODY BUILDERTURN/STOP

(4460M/4450BM)CH10_008

H1

STOP SWITCH(640)

CH9_013

A5

4B

BV

14B

N

86

BODY BUILDER TURN/STOP

(4460M/4450BM)CH10_008

D2

LEFT TURN RELAY (1004-M1)

CH9_012

(A11G

J)

BODYRIGHTTURN

RELAY(1002-M2)

A14H

A10R

D

87

20A

RIGHT TURNFROM RELAY

SPLICE PACK(401)

30B1

A4

G3

A5

7B

BV

14

0R

A

FUSE F5-L(1002-M2)

A70

BB

V1

4R

D

BODY TAILRELAY

(1001-M2)CH9_016

A2

STOP LIGHT SPLICE PACK

(403)

A57B

C1

6O

R

GROUND ADAPTER(448M)

A70

BB

14R

D

E1

A5

6B

BV

14

0R

A1

A3

87

308630

BODYMARKERRELAY

(1002-M2)

H3

A56B

B1

6O

R

A11-G116WH

A11G

J16W

H

(A11GJ)

(A11GJ)

Y13

21

2G

Y

108 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

BODY: BACK UP AND TAIL LIGHT, P. 16

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 9

CIRCUIT DIAGRAM, C-660, C68023074097

09MAY1177636F AE08067060 016- - INITIAL RELEASE. A 77636F

BODY : BACK UP & TAIL LIGHT

85

30

87

C1

85

30

87

86

(A13GE) A13GE16WH

(A1

3G

E)

D1

C2D2

A1B1

A2B2

86

A7

1B

BV

16

LT

BL

B1,BATTERY STUD

(55F)

A14FD10RD

A14

F6

RD

20A

(A14FD)A4

G1F7-M

A4

BODY BACK-UP LIGHT(1001-M2)

A1

1-G

BA

16W

H

IGNITIONRELAY

(1001-M2)

SHIFT POWERBULKHEAD(100F)/

REVERSE LIGHT(7500W)

CH11_003

GROUNDSPLICEPACK 6(458M)

A7

1B

B16

LT

BL

RIGHT SIDECAB GRD STUD

(53F)

A7

1A

16

0R

BODY TAILRELAY(1001-M2)

A71B180R

A71AC160R

REVERSERANGE RELAY

(1001-M1)CH9_001

W/CAT SSXMSN

LEFT TAIL LIGHT/RIGHT TAIL LIGHT(73/72)

A68BBU14BN

A68E10BN

A14H8RD

H4G4

E4

FUSEF7-D

(20A)

FUSE F5-H(1002-M2)

FUSE F5-H(1002-M2)

F4

B2,BATTERYSTUD(51F)

ACCESSORYRELAY(1003-M1)CH3_006

A68B

B14

BN

A54B

BC

18

BN

A68B

BC

18T

N

TAIL LIGHT RELAY(1003-M1)CH9_014

BODY BUILDERCONNECTIONS(4450M/4460BM)CH10_008

TAIL/CLEARANCESPLICE PACK(1015)

BODY MARKER RELAY(1002-M2)CH9_015

D

A

J

A

(A1

4H

B)

A12B

B1

4L

TB

L

5A

E2

85

86

75

BODYACCESSORY

RELAY(1001)M2

FU

SE

F4-F

FUSEF7-H

A1

2B

BV

14L

TB

L

F2

F2

E1

30

F1

20A

87

F4 E4

FR

ON

T E

ND

CO

NN

( 17

01

/17

01

F)

BODY BUILDERCONNECTIONS(4450M/4460BM)CH10_008

(A14FD)

E2

A1

2B

BC

18

LT

BL

(AF13GE)

A1

1-G

B8W

HA

11

-G1

8W

H

A14HB10RD

(AB

14F

B)

A12A

A16

LT

BL

BODY BUILDERCONNECTIONS(4450M/4460BM)CH10_008

A2

N12BB14LTBL

F4-K

UENR1839© July 2011 Caterpillar. All rights reserved.

109

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CT660/CT680 CIRCUIT DIAGRAMS

SUNSHADE CLEARANCE LIGHT, P. 17

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 9SUNSHADE CLEARANCE LIGHT

12

A B

RIGHT SIDE CABGROUND STUD

(53F)

TAIL LIGHTRELAY

(1003-M1)CH9_***

SUNSHADE CLEARANCELIGHT (345F)

IP-ROOF CONN(429)

TAIL/CLEARANCE SPLICE PACK (1015)

8

CIRCUIT DIAGRAM, C-660, C68023074097

09MAY1177636F AE08067060 017- - INITIAL RELEASE. A 77636F

E

A

A5

8A

18

BN

A58-G

A18W

H

A6

8E

16

TN

A11-G8WH

A11-G18WH

A58A

18B

N

A5

8-G

A18W

H

110 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

TRAILER SOCKET: TURN LEFT, RIGHT, MARKER LIGHT, P. 18

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 9TRAILER SOCKET:TURN LEFT, RIGHT, MARKER LIGHT

CIRCUIT DIAGRAM, C-660, C68023074097

09MAY1177636F AE08067060 018- - INITIAL RELEASE. A 77636F

A CB B AC A G

N57E

10

LT

GN

N5

7T

10

YL

N5

7T

10L

TG

N

N5

6T

10Y

L

N5

6E

10Y

LN

56T

10

YL

N54

T1

0B

N

N5

4E

10B

NTAIL/CLEARANCE SPLICE PACK(1015)

N5

6T

10

YL

N57

F10

LT

GN

N5

7T

10L

TG

N

N56

F1

0Y

L

N5

4F

10B

N

N5

4T

10

BN

N5

4T

10

BN

N54T10BN

TRAILERSOCKET 2(9779FB)

GREEN ABSTRAILERSOCKET 2(9779F)

A54T12BN

A5

4C

T18B

N

CHASSIS FRTEND CONN.(1701)

7

86

87

A C

85

86

87

A56C

T18O

RA

56C

T18O

R

A5

6B

16

OR

A5

6B

16

OR

85

F3

F4 E4

E2

A56T12OR

85

G1

5

A57T

12

OR

A C

A57CT18OR

LEFT TURN FROMRELAY SPLICE PACK

(400)

GNDADAPTER(458M)

A5

7B

16O

R

(1001-M1)

A11G

S14W

HA

11-G

B8W

H

(A11GS)

A3

RIGHT TURN FROMRELAY SPLICE PACK

(401)

START SWITCHGND RELAY

A11-G18WH

TRAILERMARKERRELAY

(1001-M1)

A5

7V

T1

2O

R

(A14F

B)

FUSEF7-J

E3

15AF2

A14F

B10R

D

C1

A14F6RDRIGHT SIDE

CAB GND STUD(53F)

(A1

1G

T)

A11G

T14W

H

H

B2BATTERY

STUD(51F)

A

(A1

1G

T)

A11-GBA16WH

A11-GB8WH

A11-G18WH

RIGHT SIDECAB GNDSTUD (53F)

CH

AS

SIS

FR

NT

EN

D C

ON

N.

(17

01

)

A14FA10RD

A14F6RD

B2 BATTERYSTUD(51F)

A2

87

6

8686

H4H2 G2

RIGHT TURNRELAY

(1004-M1)CH9_013

TRAILERRIGHTTURN

RELAY(1001-M1)

A56V

T12

OR

FU

SE

F7-A

H1 H3G3

G4

TRAILERLEFTTURN

RELAY(1001-M1)

A54VT12BN

G1

20

A

(A14F

A)

FU

SE

F7-K

(10

03-M

3)

A14FA10RD

A

14

F6

RD

B2 BATTERYSTUD(51F)FUSE

F7-F

15

A

TR

AL

IER

ST

OP

R

ELA

Y(1

00

1-M

1)

LE

FT

TU

RN

RE

LA

Y(1

00

4-M

1)

CH

9_

01

3

TAILLIGHTRELAY(1003-M1)CH9_014

H1

FU

SE

F7-J

B1

A1

UENR1839© July 2011 Caterpillar. All rights reserved.

111

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CT660/CT680 CIRCUIT DIAGRAMS

WORK LIGHT, P. 19

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

WORK LIGHT

CHAPTER 9

CIRCUIT DIAGRAM, C-660, C68023074097

09MAY1177636F AE08067060 019- - INITIAL RELEASE. A 77636F

RIGHT SIDECAB GROUND STUD

(53F)GROUND AT DASH(9717B)

B1 BATTERYSTUD (55F)

B2

G

FUSEF11-K

WORK LIGHT(9718A)

GROUNDADAPTOR(455M)

GROUNDSPLICEPACK 5(457M)

C

B

CLUSTERCONN J1(421M)CH9_009

LEFT SIDE CABGROUND STUD

(56F)

K

CHASSIS GROUNDSPLICE PACK

(8809)

PANEL LIGHTSPLICE ADAPTER 1

(503M)A

E

N65

16

0R

A1

1-G

D18W

H

ALL-GE10WH

A1

1-G

28W

H

A14K6RD

A14KB14RD

A11-GV16WH

A11-GRE16WH

A1

1-G

8W

HA

11

-G1

8W

H

N11-G

B12G

Y

CH

AS

SIS

FR

ON

T

EN

D C

ON

N(1

70

1)

68

4 WORK LIGHTSWITCH(441)

1

52

63

A62WL18DKBL

A62A16DKBL

A65V

18O

R

A62-GWL8WH

A6

518O

RA

11

-GU

B18W

H

D

N6

5-G

16W

H

A215A

GROUNDADAPTOR(451M)

112 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

BEACON LIGHT, P. 20

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 9BEACON LIGHT

CIRCUIT DIAGRAM, C-660, C68023074097

09MAY1177636F AE08067060 020- - INITIAL RELEASE. A 77636F

BEACON LIGHTRIGHT(1450)

7

BEACON LIGHTLEFT

(1457)

13

A

6

B A B

(OPEN)

A1

1-G

A18W

H

A6

0A

18

0R

A60

B1

80

R

A6

0-G

B18W

H

A6

0-G

A18W

H

ACCESSORYRELAY(1003-M1)CH3_06

IP-ROOF CONN(429)

A86F16LTGN

20AB2 A2

F4-K

A11-G18WH

A12AD16LTBLA12AD

16LTBL

A86-GF16WH

A11-G8WH

A11-G18WH

RIGHT CABGND STUD

(53F)

UENR1839© July 2011 Caterpillar. All rights reserved.

113

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CT660/CT680 CIRCUIT DIAGRAMS

PANEL LIGHT AND MARKER INTERRUPT SWITCH, P. 21

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR INC.

RELEASE NO. SHEETPART NO.DATE

PANEL LIGHT & MARKER INTERRUPT SWITCH

CHAPTER 9

CIRCUIT DIAGRAM, C-660, C68023074097

09MAY1177636F AE08067060 021- - INITIAL RELEASE. A 77636F

83

MASTER INTERRUPTSWITCH(1404M)

10

1

2

A62D

N1

6D

KB

L

CLUSTER CONN(422M)

CH8_001

A62

V18D

KB

A62U

P1

8T

N

LEFT SIDEGND STUD

(56F)

PA

NE

L L

IGH

TA

DA

PT

ER

(50

3M

)

A62P

L1

8D

KB

L

5

A58E18BN

A58V18BN

1

10

PANEL LIGHT SPLICE ADAPTER(504M)CH3_039

7

A62V18DKBL

TAIL LIGHT REL(1003-M1)CH9_002

GROUND SPLICE (456M)CH3_025

A1

1-G

F10W

HA

62-G

PL

18W

H

PANEL LIGHT SW(425M)CH9_021HEAD LIGHT SWI(465M)CH9_010

MASTERINTERRUPT

SWITCH(1404M)CH9_021

A58V18BM

A58E18BN

HEAD LIGHTSWITCH(465M)

CH9_010

PANEL LIGHTSWITCH(425M)

CLUSTER CONN(422M)

CH8_001

A11-G28WH

6

4

8

3

9

2

A62ML18DKBL

A62-GML16DKBL

A58P18BN

A58E18BN

114 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

HAZARD SWITCH, P. 22

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CQTERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 9HAZARD SWITCH

5A

F7-M(1003-M3)

HAZARD LIGHTSWITCH(1408M)

HAZARD SWITCHDIODE

(1409M)

B4

RIGHT TURNSTOP RELAY(1004-M1)

GROUND SPLICE PACK(451M)CH3_020

A4

CIRCUIT DIAGRAM, C-660, C680,23066710

21JUN1177636F AE08067060 022- - INITIAL RELEASE. A 77636F

A60R16OR

A11-GUD18WH

A62HZ18DKBL

A60HA16OR

GROUND SPLICE PACK(457M)CH3_026

A60HB160R

A60L160R

A62-GHZ18DKBL

104

9

1

6

8

3

7

5

2

A14FD10RD

A14

F6

RD

B2,BATTERY

STUD(51F)

A57R18OR

A57R18OR

A6216DKBL

CLUSTERCONNECTION(421M)CH3_038,CH9_009

LEFT TURNSTOP RELAY(1004-M1)CH9_012

2

1A60LA16OR

A5614OR

RIGHT TURN RELAY(1004) CH9_012

A56R18OR

TURN SIGNALSWITCHCH9_012

A56S18OR

LEFT TURNRELAY(1004)CH9_012

UENR1839© July 2011 Caterpillar. All rights reserved.

115

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CT660/CT680 CIRCUIT DIAGRAMS

HEAD LIGHT SWITCH, P. 23

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 9HEAD LIGHT SWITCH

FUSEF10-L

B4

FUSEF10-M

A4

HEAD LIGHTSWITCH

465M

PANEL LIGHTSWITCH(425M)

CH9_021

GROUND SPLICE PACK(451M)CH3_020

10A

A3

10A

B3

CIRCUIT DIAGRAM, C-660, C68023066710

21JUN1177636F AE08067060 023- - INITIAL RELEASE. A 77636F

A50B18YL

A11-GUA18WH

A62HL18DKBL

A5018YL

GROUND SPLICE PACK 2(455M)CH3_024

A50A18YL

A58V18BN

A62-GHL16WH

104

9

1

6

8

37

5

2

A14C10RD

A1

4W

8R

D

B2,BATTERY

STUD(51F)

TURN SIGNALSWITCH(4M)CH9_010

A62V18DKBL

A14D10RD

C

AA62A16DKBL

A6216DKBL

PANEL LIGHTSPLICE ADAPTER

(503M)

CLUSTERCONNECTION(421M)CH9_009

116 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CHASSIS ACCESSORIES (CHAPTER 10)

AIR DRYER AND HEATED DRAIN VALVE, P. 1

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 10AIR DRYER AND HEATED DRAIN VALVE

CIRCUIT DIAGRAM, C-660, C68023074097

10MAY1177636F AE08067061 001- - INITIAL RELEASE. A 77636F

GROUNDSPLICE PACK

(458)

B2 BATTERY STUD

(51F)CH3_004

RIGHT SIDE CABGROUND STUD

(53F)

H4IGN RELAY#2(1004-M1)

CH3_011

HEATED DRAINVALVE

15A

A

G4

86

LEFT SIDE AIR DRYER(9900A)

E3

GROUND ATDASH

(9717B)

30

(9001,9002,9003, 9001A,

9003B)

CHASSIS FRONT END CONNECTION

(1701)

40

A10A

A

F3

D

87

AIR DRYERRELAY

(1002-M1)

CHASSIS GROUNDSPLICE PACK

(8807)

31

DFUSE F8-D

B

FUSEF10-F

C

85

OPEN

A13-GAD18PK

11-GBA16WH

A1

1-G

B8W

H

A11-G18WH

11-GA12GY

A B

39-G

B16W

H

A3

9B

16G

Y3

9V

16G

Y

F10-C

14W8RD

39

-GF

18W

H

39B16GY

39

A18G

Y

A39A18GY

A13C14PK

A1

4C

10R

D

(A14FC)

UENR1839© July 2011 Caterpillar. All rights reserved.

117

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CT660/CT680 CIRCUIT DIAGRAMS

ABS – BENDIX AIR, P. 2

CHAPTER 10ABS - BENDIX AIR

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

G4

CIRCUIT DIAGRAM, C-660, C68023074097

10MAY1177636F AE08067061 002- - INITIAL RELEASE. A 77636F

(4950)

N94BN16GY

19

F1BATTERY

14

J1587 (B) /J1708 (-)

1

N94BM16GY

A94BH16GY

(9503)

J1587 (A) /J1708 (+)

3

A5N(-)18GN

J1939 HIGH

10 N94BH16GY

E1

2

A98C(-)16BK

W/ TRACTIONCONTROL

A5N(+)18YL

LEFT SIDECAB GROUND STUD

(56F)

A94P12GY

WSS DARIGHT (-)

15

B3

A94BM18GY

ABS-6ECU CONN-1

(1348)

BLINK CODE SWITCH(511M)

IP / CENTERCHASSIS

(1701/1701F)

A94BN18GY

14

TCV CMN(DA)

1

13

5A

FUSEF10-E

IGNITION

WSS DARIGHT (+)

TCV (DA)

J1939 LOW

15

A94BF18GY

5

BENDIX AUTOTRACTION CONTROL

GROUND

N94BF16GY

DIAGNOSTICDATALINK(1386)CH3_012

30A

B2,BATTERY STUD(51F)

8

A13CA14PK

A98A(+)16BK

A94KA18GY

16

11

FUSEF8-L

A3

7

2

J1939SPLICE PACK(1025)CH3_012

4

IGNITIONRELAY#2(1004-M1)CH3_011

1

2

18BK

18BK

F8-D

B

A

RIGHT REARWHEEL SPEED

SENSOR

A14A10RD

A14W8RD

A13C14PK

A11-GY 10WH

A11-GI8WH

A11-G2 10WH

A94-GA12WH

18 A94H16GY

18

4

6

A94-GL18GY

F

GROUNDADAPTOR(454M)

118 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

ABS – BENDIX AIR, P. 3

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 10ABS - BENDIX AIR (CONT)

CIRCUIT DIAGRAM, C-660, C68023074097

10MAY1177636F AE08067061 003- - INITIAL RELEASE. A 77636F

PMV SALEFT CMN

A94R18GY

A94RD18GY

E

(292F)

M94LB16GY

6

A94LC18GY

2

M94RD16GY

RPMV SA

RIGHT CMN

7

ABS LEFTFRONT WSS

(289F)

FRONT END CONN(1M/1)

A94LA18GY

WSS SARIGHT (+)

3

C

R

S

S

M94LA16GY

M94LC16GY

PMV SARIGHT REL

WSS SARIGHT (-)

A94LD18GY

A

ABS RIGHTFRONT WSS(292F)

C

WSS SALEFT (+)

2PMV SA

LEFT REL

A94RD18GY

Q

1

Q

ABS#2(1349)

A94L18GY

A94LB18GY

(290F)

B

M94RC16GY

5

4PMV SARIGHT HLD

14D

M94L16GY

FRONT MODULATOR(290F)

WSS SALEFT (-) 8 M94LD

16GY

1

A

M94R16GY

A94RC18GY

A94RA18GY

PMV SALEFT HLD

M94RB16GY

ABS RIGHTFRONT MODULATOR

(291F)

M94RA16GY

1

11

D

B

2E

C

A

B

A

C

B

ID / RIGHT FRONT END3M / (3) ABS RIGHT

FRONT MODULATOR(291F)

ABS LEFTFRONT WSS

(289F)

UENR1839© July 2011 Caterpillar. All rights reserved.

119

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CT660/CT680 CIRCUIT DIAGRAMS

ABS – BENDIX AIR, P. 4

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

ABS - BENDIX AIR (CONT)

CHAPTER 10

CIRCUIT DIAGRAM, C-660, C68023074097

10MAY1177636F AE08067061 004- - INITIAL RELEASE. A 77636F

13

PMV DALEFT REL

N94BB16GY

N94BC16GY

23

PMV DALEFT CMN

A

18BKN94BD16GY

PMV DARIGHT CMN

24

N94BL16GY

LEFT REARWHEEL SPEED

SENSOR(9501)

PMV DALEFT HLD

WSS DALEFT (+)

10

WSS DALEFT (-)

16

2

21PMV DA

RIGHT REL

20

IP / CENTERCHASSIS

(1701 / 1701F)

17

15

A94BC18GY

PMV DARIGHT HLD

B

B

LEFT MODULATOR(9502)

18BK

17

12

A94BD18GY

N94BJ16GY

C

N94BA16GY

A94BA18GY

ABS-6ECU CONN-2

(1349)

A94BK18GY

9

RIGHT MODULATOR(9504)

N94BK16GY

116

A94BJ18GY

A94BE18GY

A94BL18GY

25

22

A

A94BB18GY

18

C

N94BE16GY

C

A

B

C

A

B

4

16

8

37

5

9

2

10

6

SPLICE ADAPTER(450M)

A

J

H

A94BE18GY

ATCSWITCH(1350)

A94-GTC18LTGN

CLUSTERCONNECTION

(421M)CH9_009

C

A

J

A

A11-GVB18WH

A62TC18DKBL

SPLICE PACK(451M)

CH3_019SPLICE

ADAPTER(456M)

A11-GV16WH

A94-GBF18GY

SPLICE ADAPTER(504M)

LEFT SIDE GROUND STUD(56F)

A11-G28WH

A11-GFS16WH

A11-GF10WH

A62B18DKBL

A62K18DKBL

ABS-6ECU CONN-1

(1348)

120 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

ABS – BENDIX AIR, P. 5

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 10ABS - BENDIX AIR

CIRCUIT DIAGRAM, C-660, C68023074097

10MAY1177636F AE08067061 005- - INITIAL RELEASE. A 77636F

60

MD ABS ADV3RD TRANSDUCER(9510A / 9510B)

A

B

C

61

62

B

C

38

35A

MD LSM5TH TRANSDUCER

(1368F)

33

3

6

9

12

1

3

5

MD LSM AIRVALVE BACKSHELL

(9512C)

692

49

3

4

2

SS/MD RSMYAW SENSOR

(9514F)

57

55

54

56

1

N94SH18GY

N94SL16BN

A94SBB18GY

A94SH18GY

N94SDB18GY

A94SVC18GY

A94SM18GY

N94SBB18GY

A94SZC18GY

A94SL18GY

N94SK18GY

A94SCB18GY

N94SCB18GY

N94SAB18GY

N94SZC18GY

A94SJ18GY

N94SM16BK

A94SN18GY

N94SVC18GY

A94SAB18GY

A94SDB18GY

N94SJ18GY

N94SN16RD

A94SK18GY

ABS / ESD / RSDADAPTER(1369)

CH10_006

ABS#4(1361)

CH10_006

CENTER CHASSIS / IP(1701F / 1701)

STOP LIGHTRELAY

(1001-M1)CH9_001

ABS#4(1361)

A94SS18GY 8

ABS-6 ECUCONN 3(1360)

UENR1839© July 2011 Caterpillar. All rights reserved.

121

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CT660/CT680 CIRCUIT DIAGRAMS

ABS ROLL OVER STABILITY, P. 6

CHAPTER 10ABS ROLL OVER STABILITY

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CIRCUIT DIAGRAM, C-660, C68023074097

10MAY1177636F AE08067061 006- - INITIAL RELEASE. A 77636F

SS/MD RSM YAW SENSOR(9514F)

A94SCB18GY

N94SM16BK

A94SVC18GY

A94SDB18GY

A94SZC18GY

REAR RSP TRANSDUCER(9510B)

4

61

35

A94SK18GY

54

N94SJ18GY

SS ABS ADVAIR VALVE

(9512C)

A94SJ18GY

1

CHASSIS / 1P(1701F / 1701)

C

@N94SVC18GY

5

N94SL16BN

A

N94SAB18GY

N94SK16GY

62

N94SN16RD

38

A94SAB18GY

1

57

55

@N94SH18GY

N94SBB18GY

56

A94SM18GYA94SN18GY

60

N94SDB18GY

A94SL18GY

NOTE* - W/ 4X4@ - W/ 6X6 & 6X4

B

33

N94SCB18GY

A94SBB18GY

9

3

*N94SZC18GY

49

69

2

ABS#3(1360)

3

ABS-6ECU CONN 4(1361)CH10_006

A94SH18GY

2

B

A

C

TRAILER MODULATOR VALVE(1368F)

B

A

C

RSP TRANSDUCER(9510A)

*N94SVC18GY

*N94SH18GY

@N94SZC18GY

ABS/ESP/RSP/RSDADAPTER(1369)CH10_007

ABS#4(1361)

12

3

6

122 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

ABS ROLL OVER STABILITY, P. 7

CHAPTER 10

ABS ROLL OVER STABILITY (CONT)

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CIRCUIT DIAGRAM, C-660, C68023074097

10MAY1177636F AE08067061 007- - INITIAL RELEASE. A 77636F

4

5

B94SB20GY

A94SA20GY

N94SZD18GY

1

ABS PRIMARY AIRTRANSDUCER (1365)

B94SD20GY

C

STEERING WHEELPOSITION SENSOR

(1821)

A

36

A94SDA18GY

B94SA20GY

37

2

A94SB20GY

7

ABS ESP / RSPADAPTER (1369)

C

BA94SZD

18GY

A

10

4A94SD20GY

A94SF16GY

ABS SECONDARY AIRTRANSDUCER (1366)

N94SVD18GY

A94SC20GY

A

2

N94SV118LTGN

F

N94SZ118YL

N94SE18BN

3

CAB HARNESS STEERINGWHEEL SENSOR

(1)

A94SE18GY

11

ABS# 4(1361)

N94SF18OR

1

8

N94SV218WH

3

B

A94SAA18GY

A94SVD18GY*

D

G

B94SC20GY

A94SCA18GY

M

K

1

39

C

4

N94SZ218DKBL

J

A94SBA18GY

32

2

IP / CHASSIS(1701 / 1701F)

RSP TRANSDUCER(9510A / 9510B)CH10_005,CH10_006,

E

H

L

B

FWD CHASSIS / IP(1700)

BENDIX YAWSENSOR

(9514F)CH10_06

A94SZC18GY

A94SVD18GY

A94SZ18GY

A94SF18GY*

A94SE18GY*

A94SZD18GY

A94SVC18GY

* W/ M-NGV-RH-HDD

A94SV18GY

UENR1839© July 2011 Caterpillar. All rights reserved.

123

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CT660/CT680 CIRCUIT DIAGRAMS

BODY BUILDER CONNECTIONS, P. 8

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 10BODY BUILDER CONNECTIONS

CIRCUIT DIAGRAM, C-660, C68023074097

10MAY1177636F AE08067061 008- - INITIAL RELEASE. A 77636F

63

12

71 N68BB14BN A

N68BB14BN

N56BB16YL

N56BB14YL

B

N57BB16LTGN

N57BB16LTGN

C

74N54BB14BN

N54BB14BN73

N71BB16LTBL

N71BB16LTBL75

N12BB14LTBL

N12BB14LTBL

B

C

A

B

A

CBODYBUILDERCONNECTION(4460BM)

BODY BUILDERCONNECTION

(4460BM / 4450BF)

R56BB16OR

R57BB16OR

R68BB14BN

BODYBUILDER(4450M)

N11-GBB12WH

IP / CHASSIS(1701 / 1701F)

F

D

E

R58BB14BN

DD

R71BB16OR

EE

R12BB14LTBL

FF

R11-GBB12WH

GG

GN11-GD12WH

N70BB14RD

C

A

C

BB

C

BODYBUILDERTURN / STOP(4450BM)

BODY BUILDERTURN / STOP

(4450BM / 4460CA)

R57BC16OR

R70BB14OR

BODYBUILDERTURN / STOP(4460M)

72

N56BC16YL

A

64

R56BC16OR

42N56BC16YL A

N57BC16LTGN

N57BC16LTGN

B

N70BB14RD

A71BB16LTBL

A56BC16OR

A57BC16OR

BODY BACKUPRELAY

(1001)CH9_016

BODY TURNRELAY

(1002)CH9_015

A54BB14BN

BODY MARKERLIGHT RELAY

(1002)CH9_015

A57BB16LTGN

A56BB16OR

A68BB14BN

BODY TAILLIGHT RELAY

(1001)CH9_016

A12BB14LTBL

BODY /ACCESSORY

TRAILERAUX RELAY(1001-M2)

CH9_016

A70BB14RD

BODY STOPRELAY

(1002)CH9_015

BODY TURNSRELAY

(1002)CH9_015

N11-GA12GY

F

A

GND AT DASH(9717B)

CHASSIS GNDADAPTER(8807)

124 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

TRAILER SOCKET, P. 9

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 10TRAILER SOCKET

(1701)

7

5B B

6C C

CIRCUIT DIAGRAM, C-660, C68023074097

10MAY1177636F AE08067061 009- - INITIAL RELEASE. A 77636F

#N54T10BN

#N56T10YL

#N57T10LTGN

A A

N54T10BN

GREEN ABSTRAILER SOCKET-2(9779F)

*N54T10BN

N54E

10B

N

TRAILERRIGHT TURN

RELAY (1001-M1)CH9_018

N56E10YL

N56F10YL

N57T10LTGN

N57F10LTGN

N5

7E

10

LT

GN

N56F10YL

*N57T10LTGN

N54F10BN

TRAILER SOCKET-1(9779FB)

N56T10YLN56T10YL

A54T12BN

A56J12OR

A57T12OR

TRAILER MARKER RELAY (1001-M1)

CH9_018

TRAILER LEFT TURN

RELAY (1001-M1)CH9_018

UENR1839© July 2011 Caterpillar. All rights reserved.

125

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CT660/CT680 CIRCUIT DIAGRAMS

TRAILER CONNECTION, P. 10

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 10TRAILER CONNECTION

- - INITIAL RELEASE. A 77636F

-

CIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067061 010

30A

TRAILER STOP RELAY(1001-M1)

CH9_001

(1701/170F)

F3

GROUND ADAPTER(458M)

B2BATTERY STUD

(51F)

IGN RELAY(1001-M2)

CH3_008

FUSEF7-K

10

8

B2

RIGHT SIDECAB GROUNDSTUD (53F)

TRAILER SOCKET(9780MB)

TRAILER WIRING

E3

9

TRAILER ABS RELAY(1001-M1)

5A

TAIL LIGHT RELAY(1003-M1)

CH9_001

FUSE F4-G(1002-M3)

A3

#-BOC-*-EOF-

CHASSIS/IP

A2

GREEN ABSTRAILER

SOCKET-1(9780M)

C

A

B

C

A

B

86

85

30

87

N70E10RD

N70T10RD

#N70T10RD

N68T10BN

N68E10BN

#N68T10BN

N94T10GY

N94E10GY

#N94T10GY

*N70T

*N68T10BN

N70F10RD

N6

8F

10B

N

*94T10GY

N94F10GY

A94T12GY

A94V

T12G

YA14FB10RD

A14F6RD

A94

CT

18G

Y

A70T10OR

A68T16OR

H

A

A11GT14WH

A11-GBA16WH

A11-GBA16WH

A11-G

B8W

H

A11-G18WH

A13D16PK F4-L

126 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

DIFFERENTIAL WARNING LIGHTS, P. 11

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 10DIFFERENTIAL WARNING LIGHTS

CHASSIS/IP(1701F/1701-45)

CHASSIS/IP(1701F/1701-50)

E

CHASSIS GNDSPLICE PACK

(8809)

A

BGND AT DASH

(9717B)

B

FORWARD REARAXLE DIFFLOCK WARM

LIGHT(9814)

DIFFERENTIALLOCK ENABLE

SWITCH(369)

CH10_012

A

(8809)

A

CIRCUIT DIAGRAM, C-660, C68023074097

10MAY1177636F AE08067061 011- - INITIAL RELEASE. A 77636F

50

A49AA18GY

A49AA18GY

N49-GB18WH

N49GA18WH

N49GA18WH

N49-GA18WH

N49-GC18WH

N49-GC18WH

N4918GY

N11-GB12GY

A49AC18GY

N49A18GY

45

RR AXLE DIFFLOCK WARM LIGHT

(9815)

UENR1839© July 2011 Caterpillar. All rights reserved.

127

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CT660/CT680 CIRCUIT DIAGRAMS

DIFFERENTIAL WARNING LIGHTS, P. 12

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 10DIFFERENTIAL WARNING LIGHTS

A

A

E4

F4

DIODE CONN(371)

5A

A

1

- - INITIAL RELEASE. A 77636FCIRCUIT DIAGRAM, C-660, C68023074097

10MAY1177636F AE08067061 012

85

86

30

4

16

8

3

7

5

10

9

2

A49D

A16G

Y

85

86

30

87

A49GS18WH

B

AK A11-GW

18WH

A11-GV16WH

SPLICE PACK(457M)

CH3_026

IGN RELAY(1001-M2)

CH3_009

RIGHT SIDECAB GND

STUD(53F)

B

C

D

E

F

A

A49E18GY

A49-G18WH

A49D18GY

A49C

18G

Y

A49G

B18W

H

A49B18GY

A49A18GY

A

B

SPLICE PACK(448M)

A49-GA18WH

A11-GX16WH

A11-G8WH

A11-G8WH

A11-G18WH

SPLICE PACK(449M)

(23) SPEEDSENSOR #2

5A

A13D

16

PK

FUSE F4-LFUSE F4-C(1002-M3)

C3H3

A3

A49C

B18C

Y

A49G

A18G

Y

A49G18GY

A62D

F18

DK

A49S18GY

A49A

A18

GY

A4

9V

L18

GY

FU

SE

F1-H

A6

2-G

DF

18W

H

PANELLIGHT

SPLICEPACK 3(506M)

87

2

C

A11-GRE16WH

A11-GRE16WH

A11-GRE16WH

A11-G8WH

A1

1-G

18W

H

A49A

C18G

Y

RR/FR AXLEDIFF. LIGHT(9814/9815)

CH10_011

A49D

B18G

Y

A49

VA

18G

YA

13

EA

12

PK

PANEL LIGHTDIMMER SWITCH

(425M)CH9_09

(22) SPEEDSENSOR #1

SPLICE PACK(450M)

DIFF. LOCK SPEEDSWITCH (370)

RIGHT SIDECAB GND STUD

(53F)

A

A49V

B18G

Y

DIFF. LOCKSOLENOID(372M)

SPLICE PACK (457M)

A4

A62PL18DKBL

IGN RELAY(1001-M2)

CH3_008

DIFF.LOCK

ENABLESWITCH(369)

CH10_014

DIFFERENTIALLOCK CONTROL

(1001-M2)DIFF.LOCK

LATCH(1001-M2)

A13F16PKF4-M

128 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

WARNING PUMP, P. 13

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

WASHER PUMP

CHAPTER 10

CIRCUIT DIAGRAM, C-660, C68023074097

10MAY1177636F AE08067061 013- - INITIAL RELEASE. A 77636F

A

WASHER PUMP

IP/RIGHTFORWARDCHASSIS(3M/3)

H

M8

7M

B16G

Y

M8

7-G

G16W

H

A8

7M

B16G

Y

A8

7G

G16G

Y

12

4

E1

A11-GB8WH

A11-G18WH

A82B16GY

TURN SIGNALSWITCH(4M)

CH9_010

20A

F1

RIGHT SIDECAB GND STUD

(53F)

(9M)B

A13AA14PK

A13A14PK

IGN RELAY(1004-M1)

CH3_010F8-B

G2

FUSEF8-E

I

UENR1839© July 2011 Caterpillar. All rights reserved.

129

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CT660/CT680 CIRCUIT DIAGRAMS

FUEL HEATER, P. 14

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 10FUEL HEATER

- - INITIAL RELEASE. A 77636FCIRCUIT DIAGRAM, C-660, C68023074097

11MAY1177636F AE08067061 014

F

GROUND ATDASH

(9717B)

F

B

11-G

B12

GY

A

AIR SOLENOIDGND SPLICE

(8805)

N59-G12WH

N19-G16WH

FUEL HEATER(9109A)

CHASSISGND

SPLICE(8809)

OPEN67

ZP/CHASSIS(1701/1701F)

N1916GY

53

52

A

J

A11-GZ8WH

H4 G4

CHASSIS/IP(1701F/1701)

A

A1

1-G

Z8W

H

B

T-CASECOOLING

FAN(1452M)

GROUND ADAPTER(454M)

LEFT SIDE CABGND STUD

(56F)

A11-GY10WH

10A

N13TC116PK

A11-GT16WH

N1-GTC16WH

F4-MA13EA12PK

FUSEF1-D IGNITION

RELAY(1001-M2)

CH3_09

A13TC16PK

A13E16PK

A4

130 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

AIR SWITCHES, P. 15

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

AIR SWITCHES

CHAPTER 10

CIRCUIT DIAGRAM, C-660, C68023074097

10MAY1177636F AE08067061 015- - INITIAL RELEASE. A 77636F

PANEL LIGHTSPLICE

ADAPTER 3(506M)

D

A

A3A13D16PK

AIR SWITCH(563M)

10AB3

A13DA12PK

A13D16PK

IGN RELAY(1001-M2)

CH3_008F4-L

A3

FUSEF1-L

C

IGNITION SPLICEPACK

(569M)

C

A

B

D

C

AAIR SWITCH

(564M)

D

C

AAIR SWITCH

(565M)

D

C

AAIR SWITCH

(566)

D

C

AAIR SWITCH

(567M)

D

C

AAIR SWITCH

(568)

D

E

F

G

A13DSA18PK

A62

AS

A1

8D

KB

L

A6

2A

SB

18D

KB

L

A6

2A

SE

18

DK

BL

A62A

SF

18D

KB

L

A13DSB18PK

A13DSC18PK

A13DSD18PK

A13DSE18PK

A13DSF18PK

A62AS16DKBL

A62ASC18DKBL

A11-GH16WH

GROUND SPLICEPACK 5 (457M)

CH3_026

A1

1-G

HA

18W

H

A1

1-G

HB

18W

H

A11-GHD18WH

A11-GHC18WH

A11-GHE18WH

A11-GHF18WH

A62ASD18DKBL

CLUSTER CONN(421M)

CH9_009

H

A

A62C

18D

KB

L A

62

16D

KB

L

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

TRANSMISSION CONTROL MODULE (CHAPTER 11)

ALLISON TRANSMISSION, P. 1

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 11ALLISON TRANSMISSION

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067062 001- - INITIAL RELEASE. A 77636F

(7150)

K16518TN

K110B18PK

65

(108M)

TRANSMISSIONCONTROLMODULE

(107M)

E2

F1

10A

E1

D2

A3

C1

F3

F1

F2

B2

A2

K2

E1

F3

E2

H2

C2

J1

K1

D1

J2

F2

A1

B2

B1

A2

G1

B1

C2

#6

D1

A1

D2

E3

K14118TN

41

K125A18TN25

K13018WH

30

4

K14518RD

45

K163C18RD63

K12418WH

24

K16918BK

69

K10918BK

9

K17018DKBL

70

K11018PK10

K109B18GY

XMSNBULKHEAD

(100)CH11_002

K125B18TN

K110A18PK

K109A18GY

K163A18YL

K12518TN

SHIFT POWER BULKHEAD(100F)

K10418TN

#5

#4

10A

#3

#1

#2

K323CM18DKBL

K323NO18DKBL

K343A18BK

K313CM18LTBLK313NO

18BK

K332CM18LTBL

K332NC18TN

K325CM18LTBL

K325NC18TN

K336A18TN

K336C18TN

K343C18BK

30

25

23

24

28

29

31

TRANSMISSION CONTROL MODULE / XMSN BULKHEAD(7150/100)CH11_002

K92-GD16TN

K92B16TN

SPEEDOMETER

ECU GND

ECU POWER

ECU POWER

IGNITIONPOWER

OUTPUT 5

OUTPUT 3

OUTPUT 2

REVERSEWARNING

ECU GND

OUTPUT 1

NEUTRALSTART

K92A16TN

K92RS18TN

ALLISONCONN (5)CH11_003

K24BL16GY

ENGINE/CAB(851M)CH11_002

K24CL16GY

N11-GB10WH

3 SPEEDO SENSOR(303M)CH7_007

K97AJ116VT

K16318YL

- +B B

K92-GC16TN

N14B10RD

POWER FEEDCONN

(1267/ 9261)

K92-G14TN

K9214TN

VEHICLE INTERFACEMODULE (VIM)

XSMSNBULKHEAD(100)CH11_003

B

GROUND FEED CONN

(1266/ 9260)

BATTERY

SHIFTSELECTOR

(106F)CH11_002 N14Y

10RD10A

A

TRANS ECMFEED FUSE

N14-GF10WH

132 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

ALLISON TRANSMISSION, P. 2

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

ALLISON TRANSMISSION (CONT)

CHAPTER 11

XMSNRETARDERSELECTOR

S/W(443M)

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067062 002- - INITIAL RELEASE. A 77636F

3

SHIFT POWER BULKHEAD(100M/100F)

17

INPUTSIG RET

K92-GS18TN

K103A18PL

K103B18PL

K103C18PL

8

2 K10218YL

12INPUT 21

K325NC18TN

19

INPUT 10 1716

K92TN18TN

OUTPUT 6 6415

K92ML18TN

INPUT 12 576

*A24BD16GY

INPUT 7 617

K92AA16TN

K11718LTBL

K16418LTBL

K15718WH

K16118OR

K92PS18TN62INPUT 9 K162

18YL

13

5INPUT 4 K10518OR

18A44-G18TN

CHECKTRANS

29

11

K92CT18TN

K12918LTGN

SHIFTSELECTOR

34

J1939 (+) 289

J1939 (-) 810

K12818YL

K9

8G

N3

( -)

18G

N

K10818GN

K9

8Y

L3

(+)

18

YL

14

J1939 HI

J1939 LO

3

15

DIMMERINPUT

IGN SENSE

5GND

13BATTERY

K98YL5(+)18YL

K98GN5(-)18GN

K98YL1(+)18YL

K98GN1(-)18GN

5

K163B18YL

K16318YL

TRANSMISSION CONTROLMODULE / VIM (7105 / 1107M)CH11_001

K109B18GY

K110B18PK

F

UK62S16TN

K13BB18PK

DASHCONN(2)

K9

8G

N4

(-)

18G

N

K9

8Y

L4

(+)

18

YL

K62S18LTBL

*A62S18LTBL

B

A

C

*A24CL16GY

*A24BL16GY

D

ENGINE / CAB(851M/851F)

K92-GV18TN

*A92-GT18TN

*A13BB18PK

A

ENGINE DASH CONN(2)

D

R

I

A92TRHL18TN

2

1

RETARDERON / OFF

K92-GU18TN

VIM(108M)

CH11_001

K12118LTGN

SHIFT SELECTOR(106F)

ENG BRAKESELECTORSWITCH(433M)

VIM(108M)

CH11_001TRANSMISSION

CONTROL MODULE(7150)

E

K49C18GY

K24BL16GY

K92-GT18TN

K24CL16GY

K24BD16GY

ENG BRAKEON / OFF(434M)

C

TERMINATING RESISTOR(1099/1099R)

A

#A62S18DKBL

RETARDERON / OFF

(443)

12

8

15A

K92AA18TN

120

OH

MS

C

A

ALLISONCONNECTOR(5M)

A92TRHM18TM

K13418YL

J1939 TERMINATING

RESISTOR(1099)

CH3_016

K98YL1(+)18YL

K98GN1(-)18GN

4

XMSN RETARDERON/OFF S/W

(443)CH11_013

IGN RELAY(1001-M2)

CH3_009

FUSEF1-B

H2 G2

A13E16PK

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

ALLISON TRANSMISSION, P. 3

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

ALLISON TRANSMISSION (CONT)

CHAPTER 11

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067062 003- - INITIAL RELEASE. A 77636F

BODY BACKUPLIGHT RELAY(1001-M2)CH9_016

K17B16PK

26K323N018DKBL

K323CM18DKBL

K313CM18LTBL

21

H

VIM(108M)

CH11_001

E3

K71A16OR

K313N018BK

K7116OR

SHIFT POWERBULKHEAD

(100)

G

20

27

K17C16PK

DASHCONN

(2/2M)

(7500W)

B

A

REVERSELIGHT

A17B14PK

STARTERTERMINAL(6306 / 6307)CH5_02

K71A16OR

K7116OR

IGNITION RELAY #2(1004-M1)

CH3_011

START FEEDADAPTER(509M)CH5_001

A7116OR

A71AC16OR

L

10AF3

A13C

A14

PK

FUSEF8-G

A13C14PK G4

F8-D

134 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

ALLISON TRANSMISSION, P. 4

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

ALLISON TRANSMISSION (CONT)

CHAPTER 11

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067062 004- - INITIAL RELEASE. A 77636F

B1,BATTERYSTUD(55F)CH3_002

LEFT CAB GROUND STUD(56F)

10AFUSE F5-D(1002-M2)

10AG4H4

F4

FUSE F4-H

E4

GROUND SPLICEPACK 1

454M

A

TERMINATINGRESISTOR(1099)

DIRECTION SIGNAL

SHIFT SELECTOR(106F)

11

41

D

C

A

E

G

B

F

15

8

3

12

13

5

12

0O

HM

S

C

A

M92A18TN

K92A18TN

ALLISON SHIFTDIRECTION CONN (326M)

(1701F/1701)CHASSIS/IP

K6218DKBL

K92B18TN

K92C18TN

K92D18TN

K5(-)18GN

K5(+)18YL

K5A(-)18GN

K5A(+)18YL

K5B(+)18YL

K5B(-)18GN

A92A18TN

A5S(-)18GN

A5S(+)18YL

A62TX18DKBL

A92B16TN

A92C16TN

A92D16TN

J1939 LO

J1939 H1

DIMMER INPUT

IGNSENSE

BATTERY

GND

PANEL LIGHT SPLICE ADAPTER 1

(503M)CH3_038

ENG/IP(101)

J1939SPLICE PACK

(1025)CH3_012

A11-GY10WH

A11-G18WH

A11-G28WH

A13E16PK

A14H8RD

IGN RELAY(1001-M2)CH3_009

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CT660/CT680 CIRCUIT DIAGRAMS

ALLISON XMSN W/O TRLR SKT, P. 5

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

ALLISON XMSN W/O TRLR SKT

CHAPTER 11

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067062 005- - INITIAL RELEASE. A 77636F

LEFT SIDE CAB GROUND STUD(56F)

FUSEF4-H

IGN RELAY(1001-M2)CH3_009

E4 F410A

D

C

K92A18TN

K92AB18TN

K5(+)18YL

K5(-)18GN

K6218DKBL

K92D18TN

G

E

F

A

A

B

C

D

E

F

G

ALLISON SHIFTER(1011)

XMSN CONTROL(101)

B

K92C18TN

A92D16TN

A92C16TN

A62TX18DKBL

A5S(+)18YL

A92A18TN

A5S(-)18GN

PANEL LIGHT SPLICE ADAPTOR1

(503M)CH3_038

J1939SPLICE PACK

(1025)CH3_012

GROUNDSPLICEPACK (454M)

A

ALLISON SHIFT DIRECTION CONN(326M)

41

(1701F/1701)CHASSIS/IP

M92A18TN

A11-GY10WH

A1

1-G

18W

H

A11-G28WH

A92B16TN

A13E16PK

G4H4

FUSEF5-D A14H

8RD10A B1,

BATTERYSTUD(55F)

136 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

EATON ULTRASHIFT GEN III TRANSMISSION, P. 6

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

EATON ULTRASHIFT GEN III TRANSMISSION

CHAPTER 11

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067062 006- - INITIAL RELEASE. A 77636F

7

EATON TONEGENERATOR(1309M)

42

DASH INTERCONNECT

(471)

EATONAUTOSHIFT

DISPLAY(1240)

M98-18BK

44

B

J1587 -

A3

UC

( +)

18

BK

A17EM16PK

4

A3EC(-)18BK

45

J1587 +

A98C(-)18BK

STARTENABLERELAY[201M]

K17EA18PK

L2 PANEL LIGHTADAPTER(504M)CH3_039

11

A

DATALINK(137)

LATCH

86

10A3EB(+)

18BKC

5

A98A(+)18BK

A+12V

29

K98+18BK

B

M17EM18PK

30

EATON GEN3 TCM(7105)

87

START FEEDADAPTER(509)

EDATALINK NEGATIVE

(515)

87A

M98+18BK

START_EN- K17-GA18WH

H

2

M17-GA18WH

K17EM18PK

K92ET12TN

4

32

35

A9

2E

TA

16

TN

A17X12PK

A17EA16PK

A17-GA16WH

5

1

26

4

26

85

A92ET16TN

PANELLIGHT ADAPTER(506M)CH3_040

K98-18BK

XMSN/DASH JUMPER ABS

(1190)

2

A3U(+)18BK

43

A9

2P

16

TN

M17EA18PK

G

A92MA16TN

START_EN+

C

M92ETC16TN

DATALINK POSITIVE(514)

A3V

C(-

)18B

K6

KEY SWITCH(40M)

A3V(-)18BK

K92ETC12TN

IGNITIONPOWER

E

A

E

E

A17A12PK

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CT660/CT680 CIRCUIT DIAGRAMS

EATON ULTRASHIFT GEN III TRANSMISSION, P. 7

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR INC.

RELEASE NO. SHEETPART NO.DATE

EATON ULTRASHIFT GEN III TRANSMISSION (CONT)

CHAPTER 11

TRANS ECM FEED FUSE

BATTERY(+)(9250)

10A

BATTERY(-)(9256)

B

A B

B

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067062 007- - INITIAL RELEASE. A 77636F

A92EL16TN

25

(7905)

J1939CONNECTOR BODY LOCK/TERMINATING RESISTOR

(7110)

K5TA(-)18GN

27

SHIFT CONTROLPOWER(+)

K5V(-)18GN

K5TA(+)18YL

SHIFT CONTROLPOWER(-)

120OHMS

F1

F2

2

L2 PANEL LIGHTADAPTER(504M)CH3_18

HIL(-)

FM92ER16TN

XMSNDASH JUMPER

(1190)

B3

POWER FEEDCONN

(1267B)

M98YL616TN

K92J18TN

C1K92ER18TN

K5T

B(+

)18Y

L

38

36

A62Y16DKBL

M

HIL(+)

DIMMER CONTROL

N A98YL4(+)18YL28

ABS DASHCONNECTOR

(471)

A

31K92J18TN

A98GN4(-)18GN

D

GND FEEDCONN

(1266B)

C

31

DATA LINKCH3_014

28

J3

30

K5V(+)18YL

27

ULTRASHIFTSELECTOR

3

K5T

B(-

)18G

N

K98GN618GN

A92ER16TN

M98GN616TN

K98YL618YL

EATON GEN3 TCM(7105)

K14AT10RD

K10-GE12WH

N14-GF10WH

N11-GB10WH

N14B10RD

N14Y10RD

138 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

EATON ULTRASHIFT GEN III TRANSMISSION, P. 8

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPLLAR, INC.

RELEASE NO. SHEETPART NO.DATE

EATON ULTRASHIFT GEN III TRANSMISSION

CHAPTER 11

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067062 008- - INITIAL RELEASE. A 77636F

22

ABS DASHCONNECTOR

(471)

J

K92EJ18TN

K92EH18TNMEIIR -

M92EG18TN

K92EG18TN

EATON GEN3 TCM(7105)

XMSN/DASH JUMPER(1190)

K M92EH18TN

LMEIIR +

33

32 A92DL18TN

MEIIRCONTACT

21

20

A92DM18TN D

C

PARK BREAKSWITCH(742F)

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CT660/CT680 CIRCUIT DIAGRAMS

CAT TRANSMISSION, P. 9

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 11CAT TRANSMISSION

17

19

B

24-WAYCAT TCM

CONN(1264)

C

ENGINE/ DASH(2/2M)

C

B

1

F

3

7

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067062 009- - INITIAL RELEASE. A 77636F

K1414RD

K14A14RD

K1314PK

K1014WH

K10A14WH

A13BB16PK

POWER FEEDCONN

(1267/ 9261)

B

N14Y10RD

BATTERYPOSITIVE(9250)

10AA

N14B10RD

N144RD

BATTERYNEGATIVE(9258)

N14C10RD

TCM FUSE(9255)

N14-GB10WH

N14-GF10WH

N14-GC10WH

GND FEEDCONN

(1266/ 9260)

BATTERYNEGATIVE(9253)

IGN RELAY(1001-M2)

CH3_009H2

FUSEF1-B

A13E16PK

15AG2

140 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CAT TRANSMISSION, P. 10

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF cATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CAT TRANSMISSION (CONT)

CHAPTER 11

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067062 011- - INITIAL RELEASE. A 77636F

C

XMSN CONTROL(101)

K5(+) 20YL

K5A(+) 20 YL

HEATSHRINK

K5(-)20GN

SHIELD A

K5B

(-)

20

GN

K5

B(+

)20

YL

1

A

K5A(-)20GN

J1939 TERMRESSITOR

(1099/1099M)

K1118WH

K1318PK

K6218DKBL

K92A18TN

K1418RD

K11A18WH

C

7

5

2

3

6

8

11

12

D

B

G

F

E

A

J

H

A5S(+)18YL

A5S(-)18GN

J1939SPLICE

PACK(1025-B)CH3_012

SH

IELD

B

J1939SPLICE

PACK(1025-L)CH3_012

SHIELD

A92-GTA18TN

A62-TX18DKBL

A92C18TN

A92-GTB18TN

A92E18TNA92E18TN

FUSE BLOCK(1002-M2)

CH3_002

LEFT SIDECAB GND

STUD(56F)

CAT SHIFTER CONN

(1194)

H

GNDSPLICE(454M)

A

A9

2-G

T16T

NA

11-G

Y10W

H

A11-GI18WH

A11-G28WH

FUSE BLOCK(1002-M3)

CH3_009

CLUSTERCONN

(421M)CH9_009

A

J

A62A16DKBL

PANEL LIGHTSPLICE ADAPTER

(503M)

A6

2A

16D

KB

L

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CAT TRANSMISSION, P. 11

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CAT TRANSMISSION (CONT)

CHAPTER 11

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067062 011- - INITIAL RELEASE. A 77636F

C

XMSN CONTROL(101)

K5(+) 20YL

K5A(+) 20 YL

HEATSHRINK

K5(-)20GN

SHIELD A

K5B

(-)

20

GN

K5

B(+

)20

YL

1

A

K5A(-)20GN

J1939 TERMRESSITOR

(1099/1099M)

K1118WH

K1318PK

K6218DKBL

K92A18TN

K1418RD

K11A18WH

C

7

5

2

3

6

8

11

12

D

B

G

F

E

A

J

H

A5S(+)18YL

A5S(-)18GN

J1939SPLICE

PACK(1025-B)CH3_012

SH

IELD

B

J1939SPLICE

PACK(1025-L)CH3_012

SHIELD

A92-GTA18TN

A62-TX18DKBL

A92C18TN

A92-GTB18TN

A92E18TNA92E18TN

FUSE BLOCK(1002-M2)

CH3_002

LEFT SIDECAB GND

STUD(56F)

CAT SHIFTER CONN

(1194)

H

GNDSPLICE(454M)

A

A9

2-G

T16T

NA

11-G

Y10W

H

A11-GI18WH

A11-G28WH

FUSE BLOCK(1002-M3)

CH3_009

CLUSTERCONN

(421M)CH9_009

A

J

A62A16DKBL

PANEL LIGHTSPLICE ADAPTER

(503M)A

62

A1

6D

KB

L

142 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CAT TRANSMISSION, P. 12

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CAT TRANSMISSION (CONT)

CHAPTER 11

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067062 012- - INITIAL RELEASE. A 77636F

CAT SHIFTERCONNECTOR

(101A)

K6218DKBL

K1318PK

K11A18WH

K1418RD

E

F

G

H

J

F

G

H

J

XMSN CONTROL(101)

DK5(-)18GN

CK5(+)18YL

BK92B18TN

AK92A18TN

K1118WH

E

D

C

B

A

A5S(-)18GN

A62-TX18DKBL

A92E18TN

A92-GTB18TN

A92C18TN

A5S(+)18YL

A92-GTA18TN

J1939SPLICE

PACK(1025-B)CH3_012

J1939SPLICE

PACK(1025-L)CH3_012

A

J

CLUSTERCONN

(421M)CH9_009

PANEL LIGHTSPLICE ADAPTER

(503M)

A11-GI18WH

H

LEFT SIDECAB GND

STUD(56F)

A1

1-G

Y10W

H

A11-G28WH

A

GNDSPLICE(454M)

A62A16DKBL

A62A16DKBL

A92-GT16TN

G4H4

FUSEF5-D

10A

B1,BATTERY

STUD(55F)

A14H

8R

D

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CAT TRANSMISSION, P. 13

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CAT TRANSMISSION (CONT)

CHAPTER 11

TCM(2150)

CH11_002SHIFT POWER

BULKHEAD(100M/100F)

TCM(7150)

CH11_002

TCM(7150)

CH11_002

18

SHIFTPOWER BULKHEAD

(100M/100F)

SHIFTPOWER

BULKHEAD(100M/100F)

7

13

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067062 013- - INITIAL RELEASE. A 77636F

*A92TRL 18TN

*A62-GPT 18WH

*A92T 18TN

*A62-PT18DKBL

*A92TRHL 18TN

R

CAT TCM CONN(1268)

CH11_002

*A92TRH18TN

*A62-GVD 18WH

RIGHT SIDEGROUND STUD

(53F)

*A92TRHM 18TN

ENG/IP(2/2M)

*A62RT18DKBL

SPLICEPACK

(506M)

K92TRHL18TN

K92TRHL18TN

K92TRHL18TN

A44-G18GY

CAT TCM CONN(1268)

CH11_010

K92TRHL18TN

D

ENG/IP(2/2M)

CAT TCM CONN(1268)

CH11_010K92TRHL

18TNK92TRHL

18TNK92TRHL

18TNK92TRHL

18TNI

ENG/IP(2/2M)

B

AA62C18DKBL

A62A16DKBL

9

(REDLED)

XMSN RETARDERON/OFF SW

(443)

16

4

2

10

3

5

8

7

(BLUE LED)

5 6

(BLUE LED)

(REDLED)

10

7

XMSN RETARDERSELECTOR SW

(443M)

3

1

4

9

2

8

C

E

A

A11-GV16WH

SPLICEADAPTER(450M)

PANEL LIGHTSWITCH(425M)

CH9_021

RIGHT SIDEGROUND STUD

(53F)

GROUND SPLICEPACK

(457M)

B

A11-G8WH

AA11-GRE

16WH

A11-G18WH

K92P

S18T

N

K16218YL

K92-GAA16TN

K1

61

18

0R

K4

9L

18G

YK

105P

18

OR

144 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

HVAC (CHAPTER 12)

AIR CONDITIONER – CAB, P. 1

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 12AIR CONDITIONER - CAB

J1

A

GROUNDSPLICEPACK 7 (452M)

B

G1

A

F

J2

B1

H2

B2

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067063 001- - INITIAL RELEASE. A 77636F

E3

B2, BATTERYSTUD

87

86

A77T

14LTG

N

87

AC RELAY(1003-M1)

A14KC10RD

30

85

F3

DASH / ENGINE(2/2M)

AC CONTROLRELAY

(1002-M1)

86

85

A77H18LTGN

A77F14LTGN

A77R18LTGN

A77W18LTGN

HVAC CONTROL(1057M) CH12_002

K77E14LTGN

B

A

FREONCOMPRESSOR

(6200)CH7_005

K77-G16WH

A77C14LTGN

GROUND ADAPTER(6704B)

HVAC(162F)CH12_003

10A

A2 A1

30

C

AK10-GA

10WHK10-GB

10WH

HARNESSGROUND(6314)

A14W6RD

C

A75-G14WH

A11-GBA16WH

A1

1-G

B8W

HA

11

-G1

8W

H

A50-G18WH

11-GBB16WH

GROUNDSPLICE PACK 6(458M)

FUSE F11-G(1004-M2)

11-G

B8W

H

11-G18WH

RIGHT SIDE CABGROUND STUD

(53F)

RIGHT SIDECAB GROUND STUD

(53F)

UENR1839© July 2011 Caterpillar. All rights reserved.

145

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CT660/CT680 CIRCUIT DIAGRAMS

HEATER – CAB, P. 2

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 12HEATER - CAB

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067063 002- - INITIAL RELEASE. A 77636F

ML

7

12

RECIRCMOTOR

8

A75-GL18LTGN

B

A7

5B

14LT

GN

A75BG18LTGN

10

6

E

H

1

A75BF18LTGN

A75BM18LTGN

BLOWERCONTROL(1056M)

A75BR18LTGN

MAINCONTROL

RELAY(1002 M1)

7

MH

3

C

A75BP18LTGN

C

A13BH18PK

A75-GM18WH

10

9

A75BL14LTGN

A

D2 85

86

87

HVACCONTROL

86

HIGHSPEEDRELAY

(1002-M1)

30

85

8787

8586

B1,BATTERY

STUD(51F)

A7510LTGN

30 87AMED-HISPEEDRELAY

R3 (1002-M1)

87A

A75M14LTGN

HEATER CONN #1(162F) CH12_03

A75H14LTGN

A75N14LTGN

A75BH14LTGN

A75F

10LT

GN

A75T

14LT

GN

A75BE18LTGN

HE

AT

ER

CO

NN

#1

(161M

)C

H12_003

(1057)

GND

BLOWERMOTOR

V_ACC

(1059M)

V_ACC

(1058M)AIR DIST

MOTOR

GND

BLOWERMOTOR

A75BK18LTGN

C

A

B

A75GF18LTGN

A75-GK18WH

GROUND SPLICE PACK(454M)CH3_023

A75BE18LTGN

3020A

C2

C1

F1

B

H2

G1

J2

HEATER CONN #3(1060M)CH12_003

A75D14LTGN

HEATER

CO

NN

#1

(161M

)C

H12_003

A13-GT18WH

B4 A4

11 A77W18LTGN

AC CONTROLRELAY(144M)CH12_01

10A

A

D

A11-GBA16WH

A11-GB8WH

A11-G8WH

RIGHT SIDE CAB GND

STUD(53F)

FUSEF7-G

HEATERCONNECTOR #3(1060M)CH12_03

8 A62P18DKBL

CLUSTER CONN J1(421M)CH3_039

FUSEF8-M

A13C14PK

GROUND SPLICEPACK

(458M)

HEATER CONNECTOR #3(1060M-A)

F2

A75BJ18LTGN

A75C14LTGN

IGN RELAY #2(1004-M1)CH3_011

G2

HEADLIGHT RELAYR4 (462M)

CH9_08

D1

A3 B3

A14FC10RD

F3

FUSEF7-L

30A

A1410RD

A14F6RD

A75A14LTGN

E1

E3

A75-G14WH

E2J1

A75-G14WH

BLOWER MOTOR(483M)

CH12_03)

A62K18DKBL

A75-G

14W

H

A75B

C1

8L

TG

N

HEATER CONN #1(162F) CH12_003

146 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

LOWERED HEATER – CAB, P. 3

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 12LOWERED HEATER - CAB

CIRCUIT DIAGRAM, C-660, C68023074097

06MAY1177636F AE08067063 003- - INITIAL RELEASE. A 77636F

77C

14LT

GN

75T

14LTG

N

A7

7F

14LT

GN

RIGHT SIDE CABGROUND STUD

(53F)

A75T

14LT

GN

A7

5M

14

LT

GN

A75T18LTGN

HVAC #2CONN

(162F)

BUNK STPRMTR

1

(27)

75

BH

10

LT

GN

CLOSE <5 PSIMAXIMUM OPEN >20 5 PSI

(UNDER HEATER BOX)

CLOSE 375 20 PSIOPEN 150 MIN PSI

(UNDER HEATER BOX)

A

A7

5B

H14

LT

GN

FUSE F7-L(1003-M3)

2

77

F14

LT

GN

77

R18

LT

GN

BLOWERCONTROL(1056M)CH12_02

HIGHPRESSURE

SAFETYSWITCH 77N

18LTGN

75-G

10W

H A7

5C

14

LT

GN

A75B

E18LT

GN

B

75C

14LT

GN

75B

E14LT

GN

A

77P18LTGN

2

ME

D H

I S

PE

ED

RE

LA

YR

3 (

1002-M

1)

CH

12

_0

2

77J18LTGN

B

A7

5-G

10W

H

C

(221)

75K

18LT

GN

77B

14LTG

N

RESISTOR BLOCK 77E18LTGN

CAB STPRMTR

THERMALSWITCH

A77H

14LT

GN

75B

J18LTG

N

75F

10LTG

N

LOWPRESSURE

SAFETYSWITCH

OPEN <28 -32 FCLOSE >34 -38 F

(IN HEATER BOX)

A75F

10LTG

N

A B C

A B

A B C

B

A

(214)

75

-GL

14LTG

N

HIG

H S

PE

ED

RE

LA

Y R

2(1

002-M

1)

CH

12_02

MAIN

CO

NT

RO

L R

ELA

Y(1

00

2-M

1)

CH

12_

00

2

AC

CO

NTR

OL

RELAY

(10

02

-M1

)C

H12_001

AC

RE

LA

YP

6(1

00

3-M

1)

J2

CH

12_001

AC

RE

LA

Y(1

003-M

1)

J1

CH

12_001

HV

AC

CO

NT

RO

L(1

057M

) C

H1

2_0

02

A B D CF E

B A C D

A77R

18LTG

N

HVAC #1(161M)

A

F

11-G

RD

16W

H

11-G8WH

11-G

1 8

WH

AC

RE

LA

YP

6(1

003-M

1)

J2

CH

12_0

1

BLOWER CONTROLSWITCH(1056M)

CH12_002

HVAC #3(1060M)

(453M)

A7

5B

J1

8L

TG

N

75M14LTGN

1

4

5

A7510LTGN

3

B3 A330AA75H

14LTGN

HVAC

CO

NTR

OL

(10

57

M_3)

CH

12_

02

14FC10RD

B2,BATTERYSTUD(51F)

BLOWERMOTOR(483M)

A1

4F

6R

D

UENR1839© July 2011 Caterpillar. All rights reserved.

147

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR BODY COMPOSITES (CHAPTER 13)

CONNECTOR COMPOSITES, P. 1

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

- - INITIAL RELEASE. A 77636FCIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 001

STEERING WHEEL POSITION SENSOR(1)

CONNECTOR 0593389C1BODY LOCK 0598333C1 (QTY-2)

15

32

O

S

V

E

G

I

K

N

BV G

I

K

M

P

R

T

A

L

CONNECTOR 3601800C1

CONNECTOR 0598332C1BODY LOCK 0598333C1 (QTY-2)

LEFT FORWARD CHASSIS / IP(1)

(LOCATED ON DASH PANEL AT LEFT SIDE)

7

4

6

Q R

T

A

P

U

DF

H

J

MO

B

E F

H

J

L

N

Q

S

UCC

D

CAV CIRCUIT GAUGE COLOR TERMINAL1 A94SB 20 GY 3601801C12 A94SA 20 GY 3601801C13 A94SC 20 GY 3601801C14 A94SD 20 GY 3601801C15 - - - -6 - - - -7 - - - -

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA A53L 14 YL 0587575C1 0589391C1B PLUG - - 0587579C1 -C PLUG - - 0587579C1 -D A94LC 18 GY 0587576C1 3517771C1E A94LD 18 GY 0587576C1 3517771C1F A52L 16 YL 0587575C1 1652325C1G A11-LGA 16 WH 0587575C1 1652325C1H A97ALV 18 VT 0587576C1 1652325C1I A70A 14 OR 0587575C1 0589391C1J A70 12 OR 1673747C1 0589390C1K A54L 14 BN 0587575C1 0589391C1L A97AL 18 VT 0587576C1 1652325C1M A64L 14 YL 0587575C1 0589391C1N A64-LGB 14 WH 0587575C1 0589391C1O PLUG - - 0587579C1 -P A56C 16 OR 0587575C1 1652325C1Q A94L 18 GY 0587576C1 3517771C1R A94LA 18 GY 0587576C1 3517771C1S A94LB 18 GY 0587576C1 3517771C1T A85B 16 GY 0587575C1 1652325C1U PLUG - - 0587579C1 -V PLUG - - 0587579C1 -

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA M53L 14 YL 0587577C1 0589391C1B PLUG - - 0587579C1 -C PLUG - - 0587579C1 -D M94LC 16 GY 0587577C1 1652325C1E M94LD 16 GY 0587577C1 1652325C1F M52L 14 YL 0587577C1 0589391C1G M11-LGA 14 WH 0587577C1 0589391C1H M97-GF 18 WH 0587578C1 1652325C1I M70A 16 OR 0587577C1 1652325C1J M70 16 OR 0587577C1 1652325C1K M54L 14 BN 0587577C1 0589391C1L M97AL 18 VT 0587578C1 1652325C1M M64L 14 YL 0587577C1 0589391C1N M64-LGB 14 WH 0587577C1 0589391C1O PLUG - - 0587579C1 -P M56C 14 OR 0587577C1 0589391C1Q M94L 16 GY 0587577C1 1652325C1R M94LA 16 GY 0587577C1 1652325C1S M94LB 16 GY 0587577C1 1652325C1T M85B 16 GY 0587577C1 1652325C1U PLUG - - 0587579C1 -V PLUG - - 0587579C1 -

148 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES, P. 2

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 002- - INITIAL RELEASE. A 77636F

I

U

Q J

S

C

A

R

G V

K

D

L

E

N M

D

* W/ ALLISON TRANSMISSION# W/ CAT CX31 TRANSMISSION@ W/ CAT CX31 TRANSMISSION W/ RETARDER% N/ ALLISON TRANSMISSION& MUTUALLY EXCLUSIVE

CONNECTOR 0593389C1BODY LOCK 0598333C1 (QTY-2)

P

U

CONNECTOR 0598332C1BODY LOCK 0598333C1 (QTY-2)

F

ENGINE / IP(2)

(LOCATED ON DASH PANEL AT RIGHT SIDE)

E

I

N

J

O

R Q

TP

C

B

G

L

A

S

H BH

T

K

O

F

V

M

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA* K92-GU 18 TN 0587578C1 1652325C1A# K92 16 TN 0587577C1 1652325C1B K30 16 TN 0587577C1 1652325C1C K77E 14 LTGN 0587577C1 0589391C1D* K49C 18 GY 0587578C1 1652325C1D# K44-G 18 WH 0587578C1 1652325C1E* K92CT 18 TN 0587578C1 1652325C1E# K92A 16 TN 0587577C1 1652325C1F* K13BB 18 PK 0587578C1 1652325C1F# K13 14 PK 0587577C1 1652325C1G* K71 16 OR 0587577C1 1652325C1G* K17 16 PK 0587577C1 1652325C1H K71A 16 OR 0587577C1 1652325C1I* K92AA 16 TN 0587577C1 1652325C1I@ K92TRHM 18 TN 0587578C1 1652325C1J& K23A 18 TN 0587578C1 1652325C1J& K23A 18 TN 0587578C1 3517771C1K& K23B 18 TN 0587578C1 1652325C1K& K23B 18 TN 0587578C1 3517771C1L& K17B 16 PK 0587577C1 1652325C1L& K17C 16 PK 0587577C1 1652325C1M K82C 16 GY 0587577C1 1652325C1N K82D 16 GY 0587577C1 1652325C1O K82E 16 GY 0587577C1 1652325C1P K13D 18 PK 0587578C1 3517771C1Q K13D4 18 PK 0587578C1 1652325C1R* K92PS 18 TN 0587578C1 1652325C1R@ K92TRHL 18 TN 0587578C1 1652325C1S K82F 16 GY 0587577C1 1652325C1T K82-GC 16 WH 0587577C1 1652325C1U K17SI 16 PK 0587577C1 1652325C1V* K31B 16 TN 0587577C1 1652325C1V% K31 18 TN 0587578C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA& A92 18 TN 0587576C1 1652325C1A& A92-GU 18 TN 0587576C1 3517771C1B A30 18 TN 0587576C1 3517771C1C A77C 18 LTGN 0587576C1 1652325C1

D& A44-G 18 TN 0587576C1 3517771C1D& A44-G 18 GY 0587576C1 1652325C1E A92F 18 TN 0587576C1 1652325C1

F& A13BB 18 PK 0587576C1 1652325C1F& A13BB 16 PK 0587575C1 1652325C1G& A17DA 18 PK 0587576C1 1652325C1G& A71 16 OR 0587575C1 1652325C1H A71AC 16 OR 0587575C1 1652325C1I& A92TRHM 18 TN 0587576C1 3517771C1I& A92AA 18 TN 0587576C1 3517771C1J A23A 18 TN 0587576C1 3517771C1K A23B 18 TN 0587576C1 3517771C1L A17B 14 PK 0587575C1 0589391C1M A82C 16 GY 0587575C1 1652325C1N A82D 16 GY 0587575C1 1652325C1O A82E 16 GY 0587575C1 1652325C1P A13ECM 16 PK 0587575C1 1652325C1Q A13DF 16 PK 0587575C1 1652325C1R A92TRHL 18 TN 0587576C1 1652325C1S A82F 16 GY 0587575C1 1652325C1T A82-GC 16 WH 0587575C1 1652325C1U A17A 18 PK 0587576C1 1652325C1V A31 18 TN 0587576C1 3517771C1

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES, P. 3

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 003- - INITIAL RELEASE. A 77636F

C

K

P

R

T

F

H

M

G

D

M

C

L

I

K

P S

N

GV

F

I

N

A

O

RIGHT FRONT END / IP(3)

(LOCATED ON DASH PANEL AT RIGHT SIDE)

Q

S

U

J

V

B

CONNECTOR 0598332C1BODY LOCK 0598333C1 (QTY-2)

R

A

DE

E

J

CONNECTOR 0593389C1BODY LOCK 0598333C1 (QTY-2)

Q

T

O

HB

U

L

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA M53R 14 YL 0587577C1 0589391C1B M5F(+) 18 YL 0587578C1 3517771C1C M5F(-) 18 GN 0587578C1 3517771C1D M94RC 16 GY 0587577C1 1652325C1E M94RD 16 GY 0587577C1 1652325C1F M52R 14 YL 0587577C1 0589391C1G M11-RGA 14 WH 0587577C1 0589391C1H M87MB 16 GY 0587577C1 1652325C1I M87-GG 16 WH 0587577C1 1652325C1J PLUG - - 0587579C1 -K M54R 14 BN 0587577C1 0589391C1L PLUG - - 0587579C1 -M M64R 14 YL 0587577C1 0589391C1N M64-RGB 14 WH 0587577C1 0589391C1O PLUG - - 0587579C1 -P M57C 14 OR 0587577C1 0589391C1Q M94R 16 GY 0587577C1 1652325C1R M94RA 16 GY 0587577C1 1652325C1S M94RB 16 GY 0587577C1 1652325C1T PLUG - - 0587579C1 -U PLUG - - 0587579C1 -V PLUG - - 0587579C1 -

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA A53R 14 YL 0587575C1 0589391C1B PLUG - - 0587579C1 -C PLUG - - 0587579C1 -D A94RC 18 GY 0587576C1 3517771C1E A94RD 18 GY 0587576C1 3517771C1F A52R 16 YL 0587575C1 1652325C1G A11-RGA 16 WH 0587575C1 1652325C1H A87MB 16 GY 0587575C1 1652325C1I A87-GG 16 GY 0587575C1 1652325C1J PLUG - - 0587579C1 -K A54R 14 BN 0587575C1 0589391C1L PLUG - - 0587579C1 -M A64R 14 YL 0587575C1 0589391C1N A64-RGB 14 YL 0587575C1 0589391C1O PLUG - - 0587579C1 -P A57C 16 OR 0587575C1 1652325C1Q A94R 18 GY 0587576C1 3517771C1R A94RA 18 GY 0587576C1 3517771C1S A94RB 18 GY 0587576C1 3517771C1T PLUG - - 0587579C1 -U PLUG - - 0587579C1 -V PLUG - - 0587579C1 -

150 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (4M), (5F), (9M), P. 4

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 004- - INITIAL RELEASE. A 77636F

D

C

B

CONNECTOR 3866863C1

3

12

A

TURN SIGNAL SWITCH CONNECTOR(4M)

(LOCATED ON STEERING COLUMN)

CONNECTOR 1661496C91

ALLISON CAB(5F)

CONNECTOR 3522068C1BODY LOCK 1661874C1

WASHER PUMP CONN(9M)

10

A

1

BCAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE

A K92TN 18 TN 0587578C1 3517771C1B K92-GS 18 TN 0587578C1 1652325C1C K92RS 18 TN 0587578C1 1652325C1D K92ML 18 TN 0587578C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 A50BH 18 YL 3614754C12 A50BL 18 YL 3614754C13 A50B 18 YL 3614754C14 A82B 16 GY 3614754C15 A82E 16 GY 3614754C16 A82D 16 GY 3614754C17 A56 14 OR 3614754C18 A57 14 OR 3614754C19 A82F 16 GY 3614754C1

10 A102 18 GY 3614754C111 A55S 14 OR 3614754C112 A87MB 16 GY 3614754C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA M87MB 16 GY 1661875C1 1661872C1B M87-GG 16 WH 1661875C1 1661872C1

UENR1839© July 2011 Caterpillar. All rights reserved.

151

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (2O), (23XX), (40M), (71), P. 5

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 005- - INITIAL RELEASE. A 77636F

CD

A

CONNECTOR 3546518C1BODY LOCK 3546519C1

CONNECTOR 1677851C1BODY LOCK 1677914C1

12

CONNECTOR 3534156C1BODY LOCK 3534159C1

D

D

DOOR SWITCH / SPEAKER JUMPER(23XX)

E

CONNECTOR 3554317C1

* W/ MANUAL TRANSMISSION# W/ CAT AND ALLISON TRANSMISSION

LOW COOLANT SENSOR(20)

B

START SWITCH CONNECTOR(40M)

(LOCATED ON STEERING COLUMN)

CHASSIS TAIL LIGHT(71)

A

B

B

A

C

C

CAV CIRCUIT GAUGE COLOR TERMINALA E63 16 DKBL 1661212C1B E9 16 GY 1661212C1C E86BDA 18 LTGN 1661212C1D E86CEA 18 LTGN 1661212C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R71 14 OR 2033912C1 0589391C1B R56 14 OR 2033912C1 0589391C1C R57 14 OR 2033912C1 0589391C1D R68 14 BN 2033912C1 0589391C1E R10-G 14 WH 2033912C1 0589391C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 K34B 18 TN 3554322C1 3554318C12 K34C 18 TN 3554322C1 3554318C1

CAV CIRCUIT GAUGE COLOR TERMINALA A15 16 RD 1661209C1B* A17 18 LTGN 1661208C1B# A17 16 PK 1661209C1C A12 18 LTBL 1661208C1D A13 16 PK 1661209C1

152 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (72), (73), (76M), P. 6

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 006- - INITIAL RELEASE. A 77636F

D

A

CONNECTOR 1661375C2BODY LOCK 1661376C1

CONNECTOR 0587568C91

HORN(76M)

(LOCATED AT LOWER LEFT RADIATOR)

E

E

CONNECTOR 1661375C2BODY LOCK 1661376C1

B

D

C

LEFT TAIL LIGHT(73)

C

A

B

B

A

RIGHT TAIL LIGHT(72)

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA M85-G 16 WH 0587575C1 1652325C1B M85B 16 GY 0587575C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R71A 14 OR 2033816C1 0589391C1B R56 14 OR 2033816C1 0589391C1C PLUG 0587579C1D R68A 14 BN 2033816C1 0589391C1E R10-GA 14 WH 2033816C1 0589391C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R71B 14 OR 2033816C1 0589391C1B PLUG - - 0587579C1 -C R57 14 OR 2033816C1 0589391C1D R68B 14 BN 2033816C1 0589391C1E R10-GB 14 WH 2033816C1 0589391C1

UENR1839© July 2011 Caterpillar. All rights reserved.

153

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (100F), P. 7

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 007- - INITIAL RELEASE. A 77636F

12

3

9

16

27

31

CONNECTOR 3688256C1

SHIFT POWER BULKHEAD(100F)

4

20

717

21

1022

19

2918

11

24

30

14

1

2

13155

26 25

23

8

28 6

CAV CIRCUIT GAUGE COLOR TERMINAL1 PLUG - - 0453133C12 PLUG - - 0453133C13 K97AJ1 16 VT 1680205C14 K92CT 18 TN 1680205C15 K13BB 18 PK 1680205C16 K24BD 16 GY 1680205C17 K92AA 16 TN 1680205C18 K92-GV 18 TN 1680205C19 K98YL4 18 YL 1680205C110 K98GN4 18 GN 1680205C111 K134A 18 TN 1680205C112 PLUG - - 0453133C113 K92PS 18 TN 1680205C114 PLUG - - 0453133C115 K92ML 18 TN 1680205C116 K92TN 18 TN 1680205C117 K92-GS 18 TN 1680205C118 K49C 18 GY 1680205C119 PLUG - - 0453133C120 K71A 16 OR 1680205C121 K71 16 OR 1680205C122 PLUG - - 0453133C123 K24BL 16 GY 1680205C124 K92RS 18 TN 1680205C125 K24CL 16 GY 1680205C126 K17E 16 PK 1680205C127 K17B 16 PK 1680205C128 K92A 16 TN 1680205C129 K92B 16 TN 1680205C130 K92-GC 16 TN 1680205C131 K92-GD 16 TN 1680205C1

154 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (101), P.8

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 008- - INITIAL RELEASE. A 77636F

E

J

G

F

B

G

XMSN CONTROL(101)

EATON SHIFTER /ALLISON SHIFTER /

CAT SHIFTER(101)

EATON SHIFTER CONN 1 /ALLISON SHIFTER CONN 1 /

CAT SHIFTER(101)

E

K

K

C

A

& MUTUALLY EXCLUSIVE

CONNECTOR 3540612C1BODY LOCK 3540614C1

D G

D

B

E

A K

C H

C H

H

* W/ EATON & ALLISON XMSN SHIFTER# W/ CAT XMSN SHIFTER

F

CONNECTOR 3540613C1BODY LOCK 3540615C1

CONNECTOR 3540612C1BODY LOCK 3540614C1

B

J

J

A

* W/ EATON & ALLISON XMSN SHIFTER# W/ CAT XMSN SHIFTER

F

D

CAV CIRCUIT GAUGE COLOR TERMINALA K92A 18 TN 1661261C1B* K92B 18 TN 1661261C1B# KSHIELD 20 NONE 3544254C1C* K5(+) 18 YL 1661261C1C# K5(+) 20 YL 3544254C1D* K5(-) 18 GN 1661261C1D# K5(-) 20 GN 3544254C1E K62 18 DKBL 1661261C1F* K92C 18 TN 1661261C1F# K13 18 PK 1661261C1G* K92D 18 TN 1661261C1G# K11 18 WH 1661261C1H K11A 18 WH 1661261C1J K14 18 RD 1661261C1K - - - -

CAV CIRCUIT GAUGE COLOR TERMINALA K92A 18 TN 1661262C1B K92B 18 TN 1661262C1C K5(+) 18 YL 1661262C1D K5(-) 18 GN 1661262C1E K62 18 DKBL 1661262C1F* K92C 18 TN 1661262C1F# K13 18 PK 1661262C1G* K92D 18 TN 1661262C1G# K11 18 WH 1661262C1H K11A 18 WH 1661262C1J K14 18 RD 1661262C1K - - - -

CAV CIRCUIT GAUGE COLOR TERMINALA A92A 18 TN 1661261C1B A92B 16 TN 1661261C1C A5S(+) 18 YL 1661261C1D A5S(-) 18 GN 1661261C1E A62TX 18 DKBL 1661261C1

F& A92C 16 TN 1661261C1F& A92E 18 TN 1661261C1G& A92D 16 TN 1661261C1G& A92-GTA 18 TN 1661261C1H A92-GTB 18 TN 1661261C1J A92C 16 TN 1661261C1K - - - -

UENR1839© July 2011 Caterpillar. All rights reserved.

155

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (101A), (106F), (141F), P. 9

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 009- - INITIAL RELEASE. A 77636F

CONNECTOR 1661777C1BODY LOCK 1661873C1

9

A

H

16

C

E

CONNECTOR 3540613C1BODY LOCK 3540615C1

1

C

EATON SHIFTER(101A)

CRUISE SWITCH(141F)

B

8

A

J

GF

D

D

ALLISON SHIFTER CONN 2(106F)

K

B

CONNECTOR 3605446C91

CAV CIRCUIT GAUGE COLOR TERMINALA K92A 18 TN 1661262C1B K92B 18 TN 1661262C1C K5(+) 18 YL 1661262C1D K5(-) 18 GN 1661262C1E K62 18 DKBL 1661262C1F - - - -G - - - -H - - - -J - - - -K - - - -

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEC M97AL 18 VT 1661875C1 1661872C1D M97-GF 18 WH 1661875C1 1661872C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 PLUG - - 3518314C12 PLUG - - 3518314C13 K62 18 DKBL 3517243C14 PLUG - - 3518314C15 K92D 18 TN 3517243C16 PLUG - - 3518314C17 PLUG - - 3518314C18 K5A(+) 18 YL 3517243C19 PLUG - - 3518314C1

10 PLUG - - 3518314C111 K92A 18 TN 3517243C112 K92B 18 TN 3517243C113 K92C 18 TN 3517243C114 PLUG - - 3518314C115 K5A(-) 18 GN 3517243C116 PLUG - - 3518314C1

156 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (161M), (162F), P. 10

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 010- - INITIAL RELEASE. A 77636F

B

F

D

A

A

C

E

C

CONNECTOR 1661201C1

D

CONNECTOR 1661204C1

HVAC(161M)

HVAC(162F)

B

CAV CIRCUIT GAUGE COLOR TERMINALA A75BJ 18 LTGN 1661212C1B - - - -C A77H 18 LTGN 1661212C1D A77R 18 LTGN 1661212C1E A77F 18 LTGN 1661212C1F A75C 18 LTGN 1661212C1

CAV CIRCUIT GAUGE COLOR TERMINALA A75F 10 LTGN 1661227C1B A75BH 14 LTGN 1661226C1C A75T 18 LTGN 1661224C1D A75-GA 10 WH 1661227C1

UENR1839© July 2011 Caterpillar. All rights reserved.

157

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (190), P. 11

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 011- - INITIAL RELEASE. A 77636F

CU

Q

F

U

M

G

A

P

O

J

N

B

P

A

D

L

CONNECTOR 0593389C1BODY LOCK 0598333C1 (QTY-2)

H

K

T

* W/ REMOTE CRUISE# N/ REMOTE CRUISE& MUTUALLY EXCLUSIVE

Q

B

E

I

CONNECTOR 0598332C1BODY LOCK 0598333C1 (QTY-2)

T LR

CF

J

M

V

R

D

G

K

S

V

N

I

S

O

E

H

ENGINE / CAB(190)

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA A99-G 18 VT 0587576C1 1652325C1B A99AV 18 VT 0587576C1 1652325C1C A99 18 VT 0587576C1 1652325C1D PLUG - - 0587579C1 -E PLUG - - 0587579C1 -F A97AL 18 VT 0587576C1 1652325C1G A5F(+) 18 YL 0587576C1 3517771C1H A5F(-) 18 LTGN 0587576C1 3517771C1I A97AB 20 VT 0587576C1 1652325C1J A97AE 20 VT 0587576C1 1652325C1K A97AA 20 VT 0587576C1 1652325C1L A24AF 18 GY 0587576C1 3517771C1M A24AE 18 GY 0587576C1 3517771C1N A99-GD 18 VT 0587576C1 1652325C1O A99D 18 VT 0587576C1 1652325C1P A99DV 18 VT 0587576C1 1652325C1Q A44C 18 GY 0587576C1 1652325C1R A97AH 18 VT 0587576C1 1652325C1S A92A 18 TN 0587576C1 1652325C1T A49D 18 GY 0587576C1 1652325C1U A49E 18 GY 0587576C1 1652325C1V A44EC 18 VT 0587576C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K99-G 18 PL 0587578C1 3517771C1B K99A5V 18 PL 0587578C1 3517771C1C K99 18 PL 0587578C1 3517771C1D PLUG - - 0587579C1 -E PLUG - - 0587579C1 -F K97AL 18 PL 0587578C1 3517771C1

G& K98YL1 18 YL 0587578C1 3517771C1G& K5R(+) 18 YL 0587578C1 3517771C1H& K98GN1 18 GN 0587578C1 3517771C1H& K5R(-) 18 GN 0587578C1 3517771C1I* K97AB 18 VT 0587578C1 1652325C1I# K97AB 18 PL 0587578C1 3517771C1J K97AE 18 PL 0587578C1 3517771C1K* K97AA 18 VT 0587578C1 1652325C1K# K97AA 18 PL 0587578C1 3517771C1L K24AF 18 GY 0587578C1 3517771C1M K24AE 18 GY 0587578C1 3517771C1N K99-GD 18 PL 0587578C1 3517771C1O K99D 18 PL 0587578C1 3517771C1P K99D5V 18 PL 0587578C1 3517771C1Q K44 18 GY 0587578C1 1652325C1R K97AH 18 PL 0587578C1 3517771C1S K134A 18 TN 0587578C1 1652325C1T K49D 16 GY 0587577C1 1652325C1U K49E 18 YL 0587578C1 3517771C1V K44EC 18 GY 0587578C1 3517771C1

158 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (201M), (203), (227), (228), P. 12

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF ATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 012- - INITIAL RELEASE. A 77636F

A/C PRESSURE SWITCH(228)

(LOCATED ON ENGINE)

CONNECTOR 0587568C91

A

4

1

B

CONNECTOR 1667741C1BODY LOCK 1667771C1

START ENABLE RELAY(201M)

& MUTUALLY EXCLUSIVE

B

CONNECTOR 0593385C1BODY LOCK 0593387C1

2

A

& MUTUALLY EXCLUSIVE

FAN SOLENOID(227)

(LOCATED ON ENGINE)

CONNECTOR 0587568C91

TERMINATING RESISTOR J1939(203)

(LOCATED IN INSTRUMENT PANEL LEFT SIDE)

3 5

BA

C

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA& K23C 18 TN 0587576C1 1652325C1A& K23C 18 TN 0587576C1 3517771C1B& K23T 18 TN 0587576C1 3517771C1B& K23AC 18 TN 0587576C1 1652325C1B& K23T 18 TN 0587576C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K23 18 TN 0587576C1 3517771C1B K23-G 18 WH 0587576C1 3517771C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 L17A 12 PK 1661710C12 L17-GA 16 WH 1661709C13 - - - -

4& L17EM 16 PK 1661710C14& L17X 14 PK 1661710C15 L17EA 16 PK 1661709C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA A5R(+) 18 YL 1661875C1 3568570C1B PLUG - - 2025431C1 -C A5R(-) 18 GN 1661875C1 3568570C1

UENR1839© July 2011 Caterpillar. All rights reserved.

159

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (236), (236F), (254M), (267M), P. 13

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 013- - INITIAL RELEASE. A 77636F

A

POWER MIRROR SWITCH(254M)

A4

A1

E

XMSN OIL TEMP SENSOR(236)

(LOCATED ON XMSN)

B4

C

CONNECTOR 3510243C1

B1

A

F

B

CONNECTOR 2036584C1

A

B

AUTO XMSN TEMP SENDER(236F)

(LOCATED ON XMSN)

CONNECTOR 2036584C1

THROTTLE POSITION SENSOR(267M)

(LOCATED IN INSTRUMENT PANEL)

D

B

CONNECTOR 0587573C91

CAV CIRCUIT GAUGE COLOR TERMINALA K31 18 TN 2036586C1B K31-G 16 TN 2036586C1

CAV CIRCUIT GAUGE COLOR TERMINALA1 A62BD 20 DKBL 3535805C1A2 A78V 20 LTGN 3535805C1A3 A78E 20 LTGN 3535805C1A4 A78-G 20 WH 3535805C1B1 A78A 20 LTGN 3535805C1B2 A78D 20 LTGN 3535805C1B3 A78C 20 LTGN 3535805C1B4 A78F 20 LTGN 3535805C1

CAV CIRCUIT GAUGE COLOR TERMINALA K31B 16 TN 2036586C1B K31-G 16 WH 2036586C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA A99-G 18 VT 0587578C1 1652325C1B A99 18 VT 0587578C1 1652325C1C A99AV 18 VT 0587578C1 1652325C1D A99DV 18 VT 0587578C1 1652325C1E A99-GD 18 VT 0587578C1 1652325C1F A99D 18 VT 0587578C1 1652325C1

160 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (289F), (290F), (291F), (292F), P. 14

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 014- - INITIAL RELEASE. A 77636F

FRONT MODULATOR(290F)

(LOCATED AT BETWEEN FORNT WHEELS)

ABS RIGHT FRONT WSS(292F)

(LOCATED AT FORNT RIGHT WHEEL)

CONNECTOR 1686834C1BODY LOCK 1664408C1

2

CONNECTOR 1684261C1BODY LOCK 1684263C1

ABS LEFT FRONT WSS(289F)

(LOCATED AT FORNT LEFT SENSOR)

CONNECTOR 1686834C1BODY LOCK 1664408C1

CONNECTOR 1684261C1BODY LOCK 1684263C1

ABS RIGHT FRONT MODULATOR(291F)

(LOCATED AT BETWEEN FORNT WHEELS)

B

C

A

C

A

1

B

2 1

CAV CIRCUIT GAUGE COLOR TERMINALA M94R 16 GY 2033819C1B M94RA 16 GY 2033819C1C M94RB 16 GY 2033819C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 M94LC 16 GY 1680205C12 M94LD 16 GY 1680205C1

CAV CIRCUIT GAUGE COLOR TERMINALA M94L 16 GY 2033819C1B M94LA 16 GY 2033819C1C M94LB 16 GY 2033819C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 M94RC 16 GY 1680205C12 M94RD 16 GY 1680205C1

UENR1839© July 2011 Caterpillar. All rights reserved.

161

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (294A), (294F), (303F), (303M), P. 15

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 015- - INITIAL RELEASE. A 77636F

CONNECTOR 0587567C91

A

SPEEDO SENSOR(303M)

B

A

SPEEDO SENSOR(303F)

B

CONNECTOR 0587568C91

B

A

CONNECTOR 1661197C1

CLUTCH SWITCH(294F)

(LOCATED BY CLUTCH)

BC

A

STARTER INTERLOCK SWITCH (294A)

(LOCATED IN INSTRUMENT PANEL)

CONNECTOR 1661199C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K97AJ 16 PL 0587577C1 1652325C1B K97AK 16 PL 0587577C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINALA - - - -B A17DA 14 PK 3534167C1C A17DC 14 WH 3534167C1

CAV CIRCUIT GAUGE COLOR TERMINALA A97AH 18 VT 1661212C1B A97CL 18 VT 1661212C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K97AJ1 16 VT 0587575C1 1652325C1B PLUG - - 0587579C1 -

162 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (311), (312), (340), P. 16

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 016- - INITIAL RELEASE. A 77636F

AMBIENT TEMP SENSOR(340)

C

B

B

CONNECTOR 1661889C1BODY LOCK 1661890C1

C

A

A

CONNECTOR 3582941C1BODY LOCK 1661874C1

A

A

CONNECTOR 1661889C1BODY LOCK 1661890C1

B

AMBIENT AIR TEMP SENSOR(340)

B

CONNECTOR 3522068C1BODY LOCK 1661874C1

MAP LIGHT 2(311)

(LOCATED AT ROOF NEAR LIGHT)

MAP LIGHT 1(312)

(LOCATED AT ROOF NEAR LIGHT)

CAV CIRCUIT GAUGE COLOR TERMINALA M41D 18 TN 1667742C1B M41E 18 TN 1667742C1

CAV CIRCUIT GAUGE COLOR TERMINALA - - - -B A63-GD 18 WH 1661261C1C A63D 18 DKBL 1661261C1

CAV CIRCUIT GAUGE COLOR TERMINALA - - - -B A63-GE 18 WH 1661261C1C A63E 18 DKBL 1661261C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K41D 18 LTGN 1661875C1 1661872C1B K41E 18 LTGN 1661875C1 3568570C1

UENR1839© July 2011 Caterpillar. All rights reserved.

163

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (344), (345), (369), (370), P. 17

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 017- - INITIAL RELEASE. A 77636F

CONNECTOR 1661197C1

DIFFERENTIAL LOCK SWITCH(370)

F

D

AE B

C

CONNECTOR 3530407C1

DIFFERENTIAL LOCK ENABLE SWITCH(369)

2

36

7

4

8

9

5

CONNECTOR 1661259C1BODY LOCK 1661263C1

10

1

B

SUNSHADE CLEARANCE LIGHT(345)A

A

B

CB SPEAKER POWER(344)

CONNECTOR 1661200C1

BA

CAV CIRCUIT GAUGE COLOR TERMINALA A49C 18 GY 1661208C1B A49E 18 GY 1661208C1C A49D 18 GY 1661208C1D A49-G 18 WH 1661208C1E A49B 18 GY 1661208C1F A49A 18 GY 1661208C1

CAV CIRCUIT GAUGE COLOR TERMINALA A58A 18 BN 1661262C1B A58-GA 18 WH 1661262C1

CAV CIRCUIT GAUGE COLOR TERMINALA A86A 16 LTGN 1661212C1B A86-GA 16 WH 1661212C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 A49CB 18 GY 3532119C1 3532128C12 A49VAA 18 GY 3532119C1 3532128C13 PLUG - - 3532129C1 -4 A49GA 18 GY 3532119C1 3532128C15 A49G 18 GY 3532119C1 3532128C16 PLUG - - 3532129C1 -7 A49VL 18 GY 3532119C1 3532128C18 A62-GDF 18 WH 3532119C1 3532128C19 A49AC 18 GY 3532119C1 3532128C110 A62DF 18 DKBL 3532119C1 3532128C1

CAV CIRCUIT GAUGE COLOR TERMINALA C58A 18 BK 1661261C1B C58-GA 18 WH 1661261C1

164 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (371), (372M), (393), P. 18

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 018- - INITIAL RELEASE. A 77636F

CONNECTOR 2036584C1

AB

ENGINE OIL TEMP(393)

B

CONNECTOR 3539777C1BODY LOCK 3539784C1

2

DIODE CONNECTOR(371)

CONNECTOR 3522068C1BODY LOCK 1661874C1

DIFFERENTIAL LOCK SOLENOID(372M)

1

A

CAV CIRCUIT GAUGE COLOR TERMINAL1 A49DA 16 GY 1651969C12 A49DB 18 GY 1651969C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA A49S 18 GY 1661875C1 1661872C1B A49-GS 18 WH 1661875C1 1661872C1

CAV CIRCUIT GAUGE COLOR TERMINALA K30 16 TN 2036586C1B K30-GB 16 TN 2036586C1

UENR1839© July 2011 Caterpillar. All rights reserved.

165

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (400), (401), (403), P. 19

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 019- - INITIAL RELEASE. A 77636F

F

A

G

CONNECTOR 2006789C1BODY LOCK 2006792C1

F

RIGHT TURN FROM RELAY SPLICE PACK(401)

CONNECTOR 2006789C1BODY LOCK 2006792C1

G

C

C

E

E

A

A

B

D

E

C

LEFT TURN FROM RELAY SPLICE PACK(400)

D

D

CONNECTOR 2006789C1BODY LOCK 2006792C1

B

G

STOP LIGHT SPLICE PACK(403)

B

F

CAV CIRCUIT GAUGE COLOR TERMINALA A56B 16 OR 1661209C1B A56MT 18 OR 1661208C1C A56CT 18 OR 1661208C1D A56BBC 18 OR 1661208C1E - - - -F - - - -G - - - -

CAV CIRCUIT GAUGE COLOR TERMINALA A70A 14 OR 3566715C1B A70AL 14 OR 3566715C1C A70AR 14 OR 3566715C1D A70BA 14 OR 3566715C1E A70D 18 OR 1661208C1F A70BBC 18 RD 1661208C1G - - - -

CAV CIRCUIT GAUGE COLOR TERMINALA A57B 16 OR 1661209C1B A57MT 18 OR 1661208C1C A57CT 18 OR 1661208C1D A57BBC 18 OR 1661208C1E - - - -F - - - -G - - - -

166 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (418), (421M), (422M), P. 20

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 020- - INITIAL RELEASE. A 77636F

3

1

9

14

7

20

BLUETOOTH MICROPHONE(418)

CLUSTER CONNECTOR J2(422M)

(LOCATED IN INSTRUMENT PANEL)

16

9

1

212

19

5

8

CONNECTOR 3548792C1

3

11

5

8

18

15

13

17

4

10

CONNECTOR 3715581C1

4

CLUSTER CONNECTOR J1(421M)

(LOCATED IN INSTRUMENT PANEL)

7

6

2

1

CONNECTOR 2024509C1

4

6

CAV CIRCUIT GAUGE COLOR TERMINAL1 A62UP 18 TN 2018639C12 A40 18 GY 2018639C13 A40A 18 GY 2018639C14 A62DN 16 DKBL 2018639C15 - - - -6 A36A 18 TN 2018639C17 A31 18 TN 2018639C18 A30 18 TN 2018639C19 A6 18 LTGN 2018639C1

10 A9 18 LTGN 2018639C111 - - - -12 A62-GCL 18 WH 2018639C113 A40B 18 GY 2018639C114 - - - -15 A54CL 18 BN 2018639C116 A32A 18 TN 2018639C117 A32 18 TN 2018639C118 - - - -19 A44 18 GY 2018639C120 - - - -

CAV CIRCUIT GAUGE COLOR TERMINAL1 A86-GBL 20 WH 3602660C12 A86Z 20 LTGN 3602660C13 - - - -4 - - - -

CAV CIRCUIT GAUGE COLOR TERMINAL1 A14CL 16 RD 2018639C12 A57CL 18 OR 2018639C13 A56CL 18 OR 2018639C14 - - - -5 A62 16 DKBL 2018639C16 A62K 18 DKBL 2018639C17 A13CL 18 LTGN 2018639C18 A52CL 18 YL 2018639C19 A63DCL 18 DKBL 2018639C110 A11-GCL 16 WH 2018639C111 A28 18 TN 2018639C112 A5C(+) 18 YL 2018639C113 A5C(-) 18 LTGN 2018639C114 - - - -

UENR1839© July 2011 Caterpillar. All rights reserved.

167

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (425M), (426), (427), P. 21

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 021- - INITIAL RELEASE. A 77636F

13

5

12

6

108

1 4

9

2

11 147

3

CONNECTOR 3544690C1

12

5

109 2

14

3

13

11

1

1615

3

RADIO 1(426)

(LOCATED IN CAB ROOF)

11

6

1

1615

614

7

CONNECTOR 3597143C1

13

44

8

12

5

7

109 2

8

PANEL LIGHT DIMMER SWITCH(425M)

CONNECTOR 3530407C1

5

7

2

4

9

8 10

36

1

IP - ROOF CONNECTOR 2(427)

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 A62DN 16 DKBL 3532125C1 3509903C12 A62V 18 DKBL 3532119C1 3532128C13 A62UP 18 TN 3532119C1 3532128C14 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 PLUG - - 3532129C1 -7 PLUG - - 3532129C1 -8 A62-GPL 18 WH 3532119C1 3532128C19 PLUG - - 3532129C1 -10 A62PL 18 DKBL 3532119C1 3532128C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 A86R 18 LTGN 3544692C12 A86S 18 LTGN 3544692C13 A86T 18 LTGN 3544692C14 A86U 18 LTGN 3544692C15 A86V 18 LTBL 3544692C16 A86W 18 LTGN 3544692C17 A86X 18 WH 3544692C18 A86Y 18 WH 3544692C19 A105-L 18 LTGN 3544692C1

10 A105-R 18 LTGN 3544692C111 - - - -12 - - - -13 - - - -14 - - - -

CAV CIRCUIT GAUGE COLOR TERMINAL1 - - - -2 - - - -3 A54D 18 BN 3597102C14 A86 18 LTGN 3597102C15 - - - -6 A62RA 18 DKBL 3597102C17 A86V 18 LTGN 3597102C18 A86-G 18 WH 3597102C19 A86T 18 LTGN 3597102C110 A86U 18 LTGN 3597102C111 A86V 18 LTGN 3597102C112 A86W 18 LTGN 3597102C113 A86X 18 LTGN 3597102C114 A86Y 18 LTGN 3597102C115 A86R 18 LTGN 3597102C116 A86S 18 LTGN 3597102C1

168 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (428), (428F), P. 22

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 022- - INITIAL RELEASE. A 77636F

10

B

4

13

2

9 7

6 1

11 8

5 3

OHC CONNECTOR(428)

12

CONNECTOR 1667529C1BODY LOCK 1667530C1

OHC CONNECTOR(428)

CONNECTOR 3544689C1

ROOF CONNECTOR 2(428F)

(LOCATED IN CAB ROOF)

CD

BA

D

A

CONNECTOR 1667305C1BODY LOCK 1661263C1

C

14

CAV CIRCUIT GAUGE COLOR TERMINAL1 A86R 18 LTGN 3544691C12 A86S 18 LTGN 3544691C13 A86T 18 LTGN 3544691C14 A86U 18 LTGN 3544691C15 A86V 18 LTGN 3544691C16 A86W 18 LTGN 3544691C17 A86X 18 LTGN 3544691C18 A86Y 18 LTGN 3544691C19 - - - -10 - - - -11 - - - -12 - - - -13 - - - -14 - - - -

CAV CIRCUIT GAUGE COLOR TERMINALA A86V 18 LTGN 1661261C1B A86W 18 LTGN 1661261C1C A86X 18 LTGN 1661261C1D A86Y 18 LTGN 1661261C1

CAV CIRCUIT GAUGE COLOR TERMINALA A86V 18 LTBL 1661262C1B A86W 18 LTGN 1661262C1C A86X 18 WH 1661262C1D A86Y 18 WH 1661262C1

UENR1839© July 2011 Caterpillar. All rights reserved.

169

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (429), (430), P. 23

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 023- - INITIAL RELEASE. A 77636F

BKA

C

9 7

3

5

5 64

E

8 14

CONNECTOR 3544690C1

13

CONNECTOR 3544689C1

IP - ROOF CONNECTOR(429)

(LOCATED IN CAB ROOF)

11

HEADLINER HARNESS CONNECTOR(430)

4 2

813

J

6

GF

ROOF CONNECTOR 1(429)

(LOCATED IN CAB ROOF)

11

H

12109

1 2

7

10

CONNECTOR 3540613C1BODY LOCK 3540615C1

14

D

13

12

CAV CIRCUIT GAUGE COLOR TERMINAL1 A63B 18 DKBL 3544692C12 A63C 18 DKBL 3544692C13 A63D 18 DKBL 3544692C14 A63E 18 DKBL 3544692C15 A86F 14 LTGN 3544694C16 - - - -7 - - - -8 A58A 18 BN 3544692C19 A63-GF 18 WH 3544692C110 A63-GG 16 WH 3544694C111 A86-GF 16 WH 3544694C112 A58-GA 18 WH 3544692C113 - - - -14 A63-GDL 18 BN 3544692C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 A63B 18 DKBL 3544691C12 A63C 18 DKBL 3544691C13 A63D 18 DKBL 3544691C14 A63E 18 DKBL 3544691C15 A86F 16 LTGN 3544693C16 A60A 18 OR 3544691C17 A60B 18 OR 3544691C18 A58A 18 BN 3544691C19 A63-GF 16 WH 3544693C110 A63-GG 16 WH 3544693C111 A86-GF 16 WH 3544693C112 A58-GA 18 WH 3544691C113 A11-GA 18 WH 3544691C114 A63-GK 18 WH 3544691C1

CAV CIRCUIT GAUGE COLOR TERMINALA A86A 16 LTGN 1661262C1B A86-GA 16 WH 1661262C1C A63B 18 DKBL 1661262C1D A63C 18 DKBL 1661262C1E A63D 18 DKBL 1661262C1F A63E 18 DKBL 1661262C1G A63-GF 16 WH 1661262C1H A63-GG 16 WH 1661262C1J A63-GK 18 WH 1661262C1K - - - -

170 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (430), (433M), P. 24

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 024- - INITIAL RELEASE. A 77636F

D

B

3

A

6

CONNECTOR 1661375C2BODY LOCK 1661376C1

CONNECTOR 3530407C1

J

E

F

K

10

B

GD

C

1

5

8

7

H

HEADLINER HARNESS CONN(430)

WINDSHIELD WIPER MOTOR(430)

(LOCATED IN UNDER HOOD)

ENGINE BRAKE SELECTOR SWITCH(433M)

E

2

C

CONNECTOR 3540612C1BODY LOCK 3540614C1

4

9

A

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K82C 16 GY 2033819C1 1652325C1B K82F 16 GY 2033819C1 1652325C1C K82-GC 16 WH 2033819C1 1652325C1D K82D 16 GY 2033819C1 1652325C1E K82E 16 GY 2033819C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINALA A86A 16 LTGN 1661261C1B A86-GA 16 WH 1661261C1C A63B 18 DKBL 1661261C1D A63C 18 DKBL 1661261C1E A63D 18 DKBL 1661261C1F A63E 18 DKBL 1661261C1G A63-GF 16 WH 1661261C1H A63-GG 16 WH 1661261C1J A63-GK 18 WH 1661261C1K - - - -

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 PLUG - - 3532129C1 -2 A24AD 18 GY 3532119C1 3532128C13 A24AE 18 GY 3532119C1 3532128C14 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 A24AF 18 GY 3532119C1 3532128C17 PLUG - - 3532129C1 -8 A62-GES 18 DKBL 3532119C1 3532128C19 PLUG - - 3532129C1 -10 A62ES 18 DKBL 3532119C1 3532128C1

UENR1839© July 2011 Caterpillar. All rights reserved.

171

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (434M), (435M), (436M), P. 25

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 025- - INITIAL RELEASE. A 77636F

7

8

6

7

CRUISE CONTROL ON / OFF SWITCH(435M)

ENGINE BRAKE ON / OFF SWITCH(434M)

CRIUSE CONTROL SET / RESUME (436M)

10

6

7

108

3

10

6

8

3

CONNECTOR 3530407C1

CONNECTOR 3530407C1

CONNECTOR 3530407C1

9

1

2

4

5

9

1

2

3

4

1

5

9

2

4

5

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 PLUG - - 3532129C1 -2 A97CRC 18 PL 3532119C1 3532128C13 A97AE 20 VT 3532119C1 3532128C14 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 PLUG - - 3532129C1 -7 PLUG - - 3532129C1 -8 A62-GCS 18 DKBL 3532119C1 3532128C19 A11-GUC 18 WH 3532119C1 3532128C110 A62CRA 18 DKBL 3532119C1 3532128C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 PLUG - - 3532129C1 -2 A24AM 18 GY 3532119C1 3532128C13 A24AD 18 GY 3532119C1 3532128C14 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 PLUG - - 3532129C1 -7 PLUG - - 3532129C1 -8 A62-GEB 18 DKBL 3532119C1 3532128C19 A11-GVA 18 WH 3532119C1 3532128C110 A62EB 18 DKBL 3532119C1 3532128C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 A97AA 20 VT 3532119C1 3532128C12 A97CRB 18 PL 3532119C1 3532128C13 A97AB 20 VT 3532119C1 3532128C14 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 PLUG - - 3532129C1 -7 PLUG - - 3532129C1 -8 A62-GCR 18 DKBL 3532119C1 3532128C19 PLUG - - 3532129C1 -10 A62CRB 18 DKBL 3532119C1 3532128C1

172 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (438M), (440M), (441M), P. 26

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 026- - INITIAL RELEASE. A 77636F

CONNECTOR 3530407C1

CONNECTOR 3530407C1

CONNECTOR 3530407C1

4

9

5

6

4

9

5 2

6

4

8

9

5 2

6

8

7

3

MIRROR HEAT SWITCH(438M)

2

FOG LIGHT SWITCH(440M)

WORK LIGHT SWITCH(441M)

3

10

7

7

3

8 10

1

1

10

1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 PLUG - - 3532129C1 -2 A78H 16 LTGN 3532125C1 3509903C13 A78JK 16 LTGN 3532125C1 3509903C14 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 PLUG - - 3532129C1 -7 PLUG - - 3532129C1 -8 A62-GMH 16 DKBL 3532125C1 3509903C19 A11-GUG 18 WH 3532119C1 3532128C110 A62MH 18 DKBL 3532119C1 3532128C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 PLUG - - 3532129C1 -2 A65V 16 OR 3532125C1 3509903C13 A65 18 OR 3532119C1 3532128C14 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 PLUG - - 3532129C1 -7 PLUG - - 3532129C1 -8 A62-GWL 18 WH 3532119C1 3532128C19 A11-GUB 18 WH 3532119C1 3532128C110 A62WL 18 DKBL 3532119C1 3532128C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 PLUG - - 3532129C1 -2 A64D 16 YL 3532125C1 3509903C13 A64A 14 YL 3532125C1 3509903C14 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 PLUG - - 3532129C1 -7 PLUG - - 3532129C1 -8 A62-GFL 18 WH 3532119C1 3532128C19 A11-GVC 18 WH 3532119C1 3532128C110 A62FL 18 LTGN 3532119C1 3532128C1

UENR1839© July 2011 Caterpillar. All rights reserved.

173

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (442M), (443), (443M), P. 27

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 027- - INITIAL RELEASE. A 77636F

4

9

& MUTUALLY EXCLUSIVE

10

7

8

3

10

4

5

5

2

2

DOME LIGHT SWITCH(442M)

XMSN RETARDER SELECTOR SWITCH(443M)

8

9

CONNECTOR 3530407C1

1

2

1

3

10

CONNECTOR 3530407C1

7

1

CONNECTOR 3530407C1

9

6

6

5

8

6

4

XMSN RETRARDER ON / OFF SWITCH(443)

3

7

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 A63T 18 DKBL 3532119C1 3532128C12 A63S 16 DKBL 3532125C1 3509903C13 A63-GUH 18 WH 3532119C1 3532128C14 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 PLUG - - 3532129C1 -7 A63LV 18 DKBL 3532119C1 3532128C18 A62-GDL 18 WH 3532119C1 3532128C19 A63L 18 DKBL 3532119C1 3532128C110 A62DL 18 DKBL 3532119C1 3532128C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 PLUG - - 3532129C1 -2 A92TRH 18 TN 3532119C1 3532128C13 A92TRHM 18 TN 3532119C1 3532128C14 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 PLUG - - 3532129C1 -7 PLUG - - 3532129C1 -8 A62-GVD 18 WH 3532119C1 3532128C19 PLUG - - 3532129C1 -10 A62RT 18 DKBL 3532119C1 3532128C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 PLUG - - 3532129C1 -

2& A92T 18 TN 3532119C1 3532128C12& A92-GU 18 TN 3532119C1 3532128C13& A92TRL& 18 TN 3532119C1 3532128C13& A92AA& 18 TN 3532119C1 3532128C14 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 PLUG - - 3532129C1 -7 PLUG - - 3532129C1 -8 A62-GPT 18 WH 3532119C1 3532128C19 PLUG - - 3532129C1 -10 A62PT 18 DKBL 3532119C1 3532128C1

174 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (444M), (448M), (449M), P. 28

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 028- - INITIAL RELEASE. A 77636F

D

G

C

K

F

B

K

C

J

B

E

A

H

D

CONNECTOR 3522068C1BODY LOCK 1661874C1

A

& MUTUALLY EXCLUSIVE

H

G

SPLICE PACK(448M)

CONNECTOR 2007315C1BODY LOCK 2007316C1

SPLICE PACK(449M)

FILTER MINDER(444M)

B

CONNECTOR 2007315C1BODY LOCK 2007316C1

F

J

E

A

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA A62FM 18 DKBL 1661875C1 3568570C1B A62-GFM 18 DKBL 1661875C1 3568570C1

CAV CIRCUIT GAUGE COLOR TERMINALA A11-GW 16 WH 1661208C1B A49-GS 18 WH 1661208C1

C& A62-GS 18 WH 1661208C1C& A62-GS 16 WH 1661208C1D& A147-G 18 WH 1661208C1D& A147-G 16 WH 1661208C1E - - - -F A62-GFM 18 DKBL 1661208C1G - - - -H - - - -J - - - -K A11-GX 16 WH 1661208C1

CAV CIRCUIT GAUGE COLOR TERMINALA A11-GX 16 WH 1661208C1B A49-GA 18 WH 1661208C1C A11GJ 16 WH 1661209C1D A17FA 16 PK 1661209C1E A17-G 18 WH 1661208C1F A63-GDL 18 BN 1661208C1G A75-GHS 18 WH 1661208C1H - - - -J - - - -K - - - -

UENR1839© July 2011 Caterpillar. All rights reserved.

175

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (450M), (451M), P. 29

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 029- - INITIAL RELEASE. A 77636F

C

CONNECTOR 2007315C1BODY LOCK 2007316C1

SPLICE PACK(450M)

CONNECTOR 2007315C1BODY LOCK 2007316C1

SPLICE PACK(451M)

E

G

A

D

B

J

H

E

G

A

D

B

K

F

C

F

K

H

J CAV CIRCUIT GAUGE COLOR TERMINALA A11-GU 16 WH 1661208C1B A11-GUA 18 WH 1661208C1C A11-GUB 18 WH 1661208C1D A11-GUC 18 WH 1661208C1E A11-GUD 18 WH 1661208C1F - - - -G A11-GUF 18 WH 1661208C1H A11-GUG 18 WH 1661208C1J A63-GUH 18 WH 1661208C1K A11-GV 16 WH 1661208C1

CAV CIRCUIT GAUGE COLOR TERMINALA A11-GV 16 WH 1661208C1B A11-GVA 18 WH 1661208C1C A11-GVB 18 WH 1661208C1D A11-GVC 18 WH 1661208C1E A62-GVD 18 WH 1661208C1F A23-GL 18 WH 1661208C1G - - - -H - - - -J - - - -K A11-GW 16 WH 1661208C1

176 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (452M), (453M), P. 30

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 030- - INITIAL RELEASE. A 77636F

CONNECTOR 2007315C1BODY LOCK 2007316C1

GROUND SPLICE PACK 7(452M)

(LOCATED IN INSTRUMENT PANEL)

CONNECTOR 2007315C1BODY LOCK 2007316C1

GROUND SPLICE PACK 4(453M)

(LOCATED IN INSTRUMENT PANEL)

H

D

D

G

C

J

K

F

B

E

A

HG

C

J

F

B

E

A

K

CAV CIRCUIT GAUGE COLOR TERMINALA A11-GBB 16 WH 1661209C1B A57-G 18 WH 1661208C1C A66-GR 18 YL 1661208C1D A56-G 18 WH 1661208C1E A66-GL 18 YL 1661208C1F A50-G 18 WH 1661208C1G A12-GR 18 LTBL 1661208C1H A58-G 18 WH 1661208C1J A81-G 18 WH 1661208C1K A82-GC 16 WH 1661209C1

CAV CIRCUIT GAUGE COLOR TERMINALA A11-GRD 16 WH 1661209C1B A66-GA 14 WH 3566715C1C A86-GT 14 WH 3566715C1D A86-GS 14 WH 3566715C1E A84-G 16 WH 1661209C1F - - - -G A86-G 18 WH 1661208C1H A11-GY 16 WH 1661209C1J A105-GR 18 WH 1661208C1K - - - -

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177

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (454M), (455M), P. 31

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 031- - INITIAL RELEASE. A 77636F

CONNECTOR 2007315C1BODY LOCK 2007316C1

E

GROUND SPLICE PACK 1(454M)

(LOCATED IN INSTRUMENT PANEL)

CONNECTOR 2007315C1BODY LOCK 2007316C1

GROUND SPLICE PACK 2(455M)

(LOCATED IN INSTRUMENT PANEL)

H

D

G

C

JK

FE

A

HG

C

JK

F

B

A& MUTUALLY EXCLUSIVE

B

D

CAV CIRCUIT GAUGE COLOR TERMINALA A11-GE 10 WH 1661211C1B A81-GG 18 WH 1661208C1C A83-GA 14 WH 3566715C1D - - - -E A62-GHL 16 WH 1661208C1F A78-G 20 WH 1661208C1G A62-GWL 18 WH 1661208C1H - - - -J - - - -K - - - -

CAV CIRCUIT GAUGE COLOR TERMINALA A11-GY 10 WH 1661211C1B A94-GA 12 WH 3566715C1C A105-GL 18 WH 1661208C1D A75-GF 18 LTGN 1661208C1E A94-GL2 16 WH 1661209C1F A94-GL 18 GY 1661208C1G A11-GBM 18 WH 1661208C1

H& A92-GT 16 TN 1661209C1H& A92D 16 TN 1661209C1J A11-GT 16 WH 1661209C1K - - - -

178 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (456M), (457M), P. 32

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 032- - INITIAL RELEASE. A 77636F

CONNECTOR 2007315C1BODY LOCK 2007316C1

GROUND SPLICE PACK 5(457M)

(LOCATED IN INSTRUMENT PANEL)

K

H

D

G

C

J

FE

A

H

D

G

C

JK

F

B

E

A

B

GROUND SPLICE PACK 3(456M)

(LOCATED IN INSTRUMENT PANEL)

CONNECTOR 2007315C1BODY LOCK 2007316C1

CAV CIRCUIT GAUGE COLOR TERMINALA A11-GRE 16 WH 1661209C1B A62-GPT 18 WH 1661208C1C A62-GDF 18 WH 1661208C1D A62-GHZ 18 DKBL 1661208C1E A13-G 18 WH 1661208C1F A13GM 18 WH 1661208C1G A49-G 18 WH 1661208C1H A11-GH 16 WH 1661208C1J A62-GFL 18 WH 1661208C1K A11-GU 16 WH 1661208C1

CAV CIRCUIT GAUGE COLOR TERMINALA A11-GFS 16 WH 1661209C1B A62-GMS 18 DKBL 1661208C1C A62-GMH 16 DKBL 1661208C1D A62-GDL 18 WH 1661208C1E A62-GML 16 DKBL 1661209C1F A62-GEB 18 DKBL 1661208C1G A62-GES 18 DKBL 1661208C1H A94-GBE 18 GY 1661208C1J A94-GTC 18 LTGN 1661208C1K A62-GFO 18 WH 1661208C1

UENR1839© July 2011 Caterpillar. All rights reserved.

179

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (458M), (465M), P. 33

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 033- - INITIAL RELEASE. A 77636F

CONNECTOR 2007315C1BODY LOCK 2007316C1

GROUND SPLICE PACK 6(458M)

(LOCATED IN INSTRUMENT PANEL)

CONNECTOR 3530407C1

HEADLIGHT SWITCH(465M)

(LOCATED IN INSTRUMENT PANEL)

H

DC

JK

F

B

E

A

2

10

4

7

8

5

3

9

1

6

G

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 PLUG - - 3532129C1 -2 A50 18 YL 3532119C1 3532128C13 A58V 18 BN 3532119C1 3532128C14 PLUG - - 3532129C1 -5 A50A 18 YL 3532119C1 3532128C16 A50B 18 YL 3532119C1 3532128C17 PLUG - - 3532129C1 -8 A62-GHL 16 WH 3532125C1 3509903C19 A11-GUA 18 WH 3532119C1 3532128C110 A62HL 18 DKBL 3532119C1 3532128C1

CAV CIRCUIT GAUGE COLOR TERMINALA A11-GBA 16 WH 1661209C1B A75-G 14 WH 3566715C1C A12-G 18 LTBL 1661208C1D A13-GAD 18 PK 1661208C1E A81-GC 18 WH 1661208C1F A63-GW 18 WH 1661208C1G - - - -H A11GT 14 WH 3566715C1J A13GE 16 WH 1661208C1K A95-G 16 WH 1661209C1

180 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (471), P. 34

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 034- - INITIAL RELEASE. A 77636F

1

45

CONNECTOR 3566553C1

48

2439

25

18

17

ABS DASH CONNECTOR(471)

11

31

38

32

5

4

44

10

CAV CIRCUIT GAUGE COLOR TERMINAL1 - - - -2 - - - -3 - - - -4 - - - -5 - - - -6 - - - -7 - - - -8 - - - -9 - - - -10 - - - -11 - - - -12 - - - -13 - - - -14 - - - -15 - - - -16 - - - -17 - - - -18 - - - -19 - - - -20 - - - -21 - - - -22 - - - -23 - - - -24 - - - -25 - - - -26 L17-GA 16 WH 3566559C127 L98YL4(+) 18 YL 3566559C128 L98GN4(-) 18 GN 3566559C129 L17EM 16 PK 3566559C130 L92ER 16 TN 3566559C131 L92EL 16 TN 3566559C132 L92DL 18 TN 3566559C133 L92DM 18 TN 3566559C134 - - - -35 - - - -36 - - - -37 - - - -38 - - - -39 - - - -40 - - - -41 - - - -42 L3EB(+) 18 BK 3566559C143 L3EC(-) 18 BK 3566559C144 L17EA 16 PK 3566559C145 L92ET 16 TN 3566559C146 - - - -47 - - - -48 - - - -

UENR1839© July 2011 Caterpillar. All rights reserved.

181

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (480M), (481M), (482M), P. 35

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 035- - INITIAL RELEASE. A 77636F

CA

B

4

A

35

B

TURN / HAZARD FLASHER(480M)

(LOCATED IN INSTRUMENT PANEL)

CONNECTOR 3613000C1BODY LOCK 3557682C1

POWER SOURCE RECEPTACLE(481M)

CONNECTOR 3517473C1

2

1

POWER SOURCE - 2 POST(482M)

CONNECTOR 0593385C1BODY LOCK 0593387C1

CAV CIRCUIT GAUGE COLOR TERMINALA A86M 14 LTGN 3517476C1B A86-GT 14 WH 3517476C1

CAV CIRCUIT GAUGE COLOR TERMINALA A86K 14 LTGN 3534165C1B - - - -C A86-GS 14 WH 3534165C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 - - - -2 - - - -3 - - - -4 A55V 12 OR 1661710C15 A55 16 OR 1661709C1

182 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (483M), (503M), P. 36

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 036- - INITIAL RELEASE. A 77636F

CONNECTOR 0593385C1BODY LOCK 0593387C1

E

BLOWER MOTOR(483M)

CONNECTOR 2007315C1BODY LOCK 2007316C1

PANEL LIGHT SPLICE ADAPTER 1(503M)

(LOCATED IN INSTRUMENT PANEL)

5 3

1

H

2

D

G

C

JK

4

F

B

A

CAV CIRCUIT GAUGE COLOR TERMINAL1 A75F 10 LTGN 1661710C12 A75-GHS 18 WH 1659673C13 A75T 18 LTGN 1659673C14 A75 10 LTGN 1661710C15 A75H 14 LTGN 1661709C1

CAV CIRCUIT GAUGE COLOR TERMINALA A62A 16 DKBL 1661209C1B - - - -C A62HL 18 DKBL 1661208C1D A62PL 18 DKBL 1661208C1E A62WL 18 DKBL 1661208C1F - - - -G A62MSP 18 DKBL 1661208C1H - - - -J A62TX 18 DKBL 1661208C1K A62BD 20 DKBL 1661208C1

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (504M), (506M), P. 37

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 037- - INITIAL RELEASE. A 77636F

CONNECTOR 2007315C1BODY LOCK 2007316C1

PANEL LIGHT SPLICE ADAPTER 2(504M)

(LOCATED IN INSTRUMENT PANEL)

PANEL LIGHT SPLICE ADAPTER 3(506M)

(LOCATED IN INSTRUMENT PANEL)

H

D

G

C

K

FE

A

D

G

C

JK

B

F

B

E

A

CONNECTOR 2007315C1BODY LOCK 2007316C1

& MUTUALLY EXCLUSIVE

J

H

CAV CIRCUIT GAUGE COLOR TERMINALA A62B 18 DKBL 1661208C1B A62PR 18 DKBL 1661208C1C A62MH 18 DKBL 1661208C1D A62DL 18 DKBL 1661208C1E A62ML 18 DKBL 1661208C1F A62EB 18 DKBL 1661208C1G A62ES 18 DKBL 1661208C1H A62FL 18 LTGN 1661208C1J A62TC 18 DKBL 1661208C1K A62FO 18 DKBL 1661208C1

CAV CIRCUIT GAUGE COLOR TERMINALA A62C 18 DKBL 1661208C1B A62RT 18 DKBL 1661208C1C A62PT 18 DKBL 1661208C1D A62DF 18 DKBL 1661208C1E A62T 18 DKBL 1661208C1

F& A62S 18 DKBL 1661208C1F& A62S 16 DKBL 1661208C1G A62FM 18 DKBL 1661208C1H A62AS 16 DKBL 1661208C1J - - - -K - - - -

184 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (509M), (511M), (513M), P. 38

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 038- - INITIAL RELEASE. A 77636F

1

E

6

C

5

BCD

BLINK CODE SWITCH(511M)

A

DRL(513M)

(LOCATED IN INSTRUMENT PANEL)

F

E

A

4

2

B

D

CONNECTOR 2006789C1BODY LOCK 2006792C1

F

* W/ MANUAL AND CAT TRANSMISSION# W/ ALLISON TRANSMISSION

G

CONNECTOR 1661256C1

H

CONNECTOR 2005835C1BODY LOCK 2006503C1

G

START FEED ADAPTER(509M)

(LOCATED IN INSTRUMENT PANEL)

CAV CIRCUIT GAUGE COLOR TERMINALA* A17D 14 PK 3566715C1A# A17B 14 PK 3566715C1B* A17 18 LTGN 1661208C1B# A17 16 PK 1661209C1C A17F 18 PK 1661208C1D - - - -E - - - -F - - - -G - - - -

CAV CIRCUIT GAUGE COLOR TERMINALA A64D 16 YL 1661208C1B A64C 14 YL 3566715C1C A66F 16 YL 1661209C1D A66-GA 14 WH 3566715C1E A66E 16 YL 1661209C1F A66H 16 YL 1661209C1G A66D 14 YL 3566715C1H A66A 14 YL 3566715C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 - - - -2 - - - -4 - - - -5 A94H 16 GY 1661226C16 A94-GL 18 GY 1661224C1

UENR1839© July 2011 Caterpillar. All rights reserved.

185

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (514M), (515M), P. 39

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 039- - INITIAL RELEASE. A 77636F

A

G

A

CONNECTOR 2006789C1BODY LOCK 2006792C1

D2 - DATA LINK NEGETIVE(515M)

(LOCATED IN INSTRUMENT PANEL)

D1 - DATA LINK POSITIVE(514M)

(LOCATED IN INSTRUMENT PANEL)

EFG

C

CONNECTOR 2006789C1BODY LOCK 2006792C1

B

F

D

B

E

C

D

CAV CIRCUIT GAUGE COLOR TERMINALA - - - -B - - - -C - - - -D - - - -E L3U(+) 18 BK 1661208C1F - - - -G - - - -

CAV CIRCUIT GAUGE COLOR TERMINALA - - - -B - - - -C - - - -D - - - -E L3V(-) 18 BK 1661208C1F - - - -G - - - -

186 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (520), (521), (522), P. 40

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

10MAY1177636F AE08067064 040- - INITIAL RELEASE. A 77636F

CLEARANCE LIGHT(521)

(LOCATED IN SUNSHADE)

CONNECTOR 1661259C1BODY LOCK 1661263C1

BA

B

CONNECTOR 1661259C1BODY LOCK 1661263C1

A

BA

CONNECTOR 1661259C1BODY LOCK 1661263C1

CLEARANCE LIGHT(522)

(LOCATED IN SUNSHADE)

CLEARANCE LIGHT(520)

(LOCATED IN SUNSHADE)

CAV CIRCUIT GAUGE COLOR TERMINALA C58D 18 BN 1661261C1B C58-GD 18 WH 1661261C1

CAV CIRCUIT GAUGE COLOR TERMINALA C58B 18 BN 1661261C1B C58-GB 18 WH 1661261C1

CAV CIRCUIT GAUGE COLOR TERMINALA C58C 18 BN 1661261C1B C58-GC 18 WH 1661261C1

UENR1839© July 2011 Caterpillar. All rights reserved.

187

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (523), (524), P. 41

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 041- - INITIAL RELEASE. A 77636F

CLEARANCE LIGHT(524)

(LOCATED IN SUNSHADE)

CONNECTOR 1661259C1BODY LOCK 1661263C1

A

CONNECTOR 1661259C1BODY LOCK 1661263C1

B

BA

CLEARANCE LIGHT(523)

(LOCATED IN SUNSHADE)

CAV CIRCUIT GAUGE COLOR TERMINALA C58E 18 BN 1661261C1B C58-GE 18 WH 1661261C1

CAV CIRCUIT GAUGE COLOR TERMINALA C58F 18 BN 1661261C1B C58-GF 18 WH 1661261C1

188 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (528), (529), (530), P. 42

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 042- - INITIAL RELEASE. A 77636F

A

CONNECTOR 1661197C1

RIGHT FRONT SPEAKER(529)

CONNECTOR 1661197C1

LEFT FRONT SPEAKER(530)

B

A

B

A

B

CONNECTOR 1661197C1

RIGHT REAR SPEAKER(528)

CAV CIRCUIT GAUGE COLOR TERMINALA A86X 18 LTGN 1661212C1B A86Y 18 LTGN 1661212C1

CAV CIRCUIT GAUGE COLOR TERMINALA A86T 18 LTGN 1661212C1B A86U 18 LTGN 1661212C1

CAV CIRCUIT GAUGE COLOR TERMINALA A86V 18 LTGN 1661212C1B A86W 18 LTGN 1661212C1

UENR1839© July 2011 Caterpillar. All rights reserved.

189

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (531), (540), (541), P. 43

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 043- - INITIAL RELEASE. A 77636F

CONNECTOR 0587568C91

HEATED SEAT RIGHT SIDE(540)

CONNECTOR 0587568C91

HEATED SEAT LEFT SIDE(541)

A

A

B

A

LEFT REAR SPEAKER(531)

CONNECTOR 1661197C1

B

B

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA A105-L 18 LTGN 0587576C1 1652325C1B A105-GL 18 WH 0587576C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINALA A86R 18 LTGN 1661212C1B A86S 18 LTGN 1661212C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA A105-R 18 LTGN 0587576C1 1652325C1B A105-GR 18 WH 0587576C1 1652325C1

190 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (563M), (564M), (565M), P. 44

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 044- - INITIAL RELEASE. A 77636F

CONNECTOR 3531901C1BODY LOCK 3531905C1

AIR SWITCH #2(564M)

CONNECTOR 3531901C1BODY LOCK 3531905C1

AB

CA

BD

BA

D

AIR SWITCH #1(563M)

DC

CONNECTOR 3531901C1BODY LOCK 3531905C1

AIR SWITCH #3(565M)

C

CAV CIRCUIT GAUGE COLOR TERMINALA A13DSC 18 PK 1661261C1B - - - -C A11-GHC 18 WH 1661261C1D A62ASC 18 DKBL 1661261C1

CAV CIRCUIT GAUGE COLOR TERMINALA A13DSB 18 PK 1661261C1B - - - -C A11-GHB 18 WH 1661261C1D A62ASB 18 DKBL 1661261C1

CAV CIRCUIT GAUGE COLOR TERMINALA A13DSA 18 PK 1661261C1B - - - -C A11-GHA 18 WH 1661261C1D A62ASA 18 DKBL 1661261C1

UENR1839© July 2011 Caterpillar. All rights reserved.

191

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (566), (567M), (568), (569M), P. 45

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 045- - INITIAL RELEASE. A 77636F

D

C

GF

C

A

D

GF

C

CONNECTOR 3531901C1BODY LOCK 3531905C1

K

AIR SWITCH #5(567M)

AIR SWITCH #4(566)

AIR SWITCH #6(568)

BC

AA

H

KJ

B

D

E

H

B

E

A

CONNECTOR 3531901C1BODY LOCK 3531905C1

CONNECTOR 3531901C1BODY LOCK 3531905C1

SPLICE PACK(569M)

CONNECTOR 2007315C1BODY LOCK 2007316C1

CD

J

BD

B

A

CAV CIRCUIT GAUGE COLOR TERMINALA A13D 16 PK 1661208C1B A13DSA 18 PK 1661208C1C A13DSB 18 PK 1661208C1D A13DSC 18 PK 1661208C1E A13DSD 18 PK 1661208C1F A13DSE 18 PK 1661208C1G A13DSF 18 PK 1661208C1H - - - -J - - - -K - - - -

CAV CIRCUIT GAUGE COLOR TERMINALA A13DSD 18 PK 1661261C1B - - - -C A11-GHD 18 WH 1661261C1D A62ASD 18 DKBL 1661261C1

CAV CIRCUIT GAUGE COLOR TERMINALA A13DSF 18 PK 1661261C1B - - - -C A11-GHF 18 WH 1661261C1D A62ASF 18 DKBL 1661261C1

CAV CIRCUIT GAUGE COLOR TERMINALA A13DSE 18 PK 1661261C1B - - - -C A11-GHE 18 WH 1661261C1D A62ASE 18 DKBL 1661261C1

192 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (604), (640), (659), P. 46

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 046- - INITIAL RELEASE. A 77636F

10

AB

CONNECTOR 1661777C1BODY LOCK 1661873C1

STOP SWITCH(640)

CONNECTOR 3530407C1

FAN OVERDRIVE SWITCH(659)

C

DA

9

1

2

3

7

B

4

8

6

5

CONNECTS TO ROOF HARNESS(604)

CONNECTOR 11661260C1BODY LOCK 1661264C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 PLUG - - 3532129C12 A23A 18 TN 3532119C13 A23B 18 TN 3532119C14 PLUG - - 3532129C15 PLUG - - 3532129C16 PLUG - - 3532129C17 PLUG - - 3532129C18 A62-GFO 18 WH 3532119C19 A23-GL 18 WH 3532119C110 A62FO 18 DKBL 3532119C1

CAV CIRCUIT GAUGE COLOR TERMINALA D63U 18 DKBL 1661262C1B D63-GU 18 WH 1661262C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEC M70 16 OR 1661875C1 1661872C1D M70A 16 OR 1661875C1 1661872C1

UENR1839© July 2011 Caterpillar. All rights reserved.

193

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (679F), (742F), (828), P. 47

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 047- - INITIAL RELEASE. A 77636F

PARK BREAK SWITCH(742F)

F

B

C

A

B

E

CONNECTOR 1661777C1BODY LOCK 1661873C1

RIGHT TAIL LIGHT CONNECTOR(828)

C

DA

D

A

B

E

C

SWITCHED POWER FEED CONNECTOR (679F)

CONNECTOR 0587573C91

D

CONNECTOR 1661375C2BODY LOCK 1661376C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA RD 14 RD 2033816C1 0589391C1B PLUG - - 0587579C1 -C PLUG - - 0587579C1 -D PLUG - - 0587579C1 -E WH 14 WH 2033816C1 0589391C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA A147SA 14 LTGN 0587577C1 1652325C1B A147SB 14 LTGN 0587577C1 1652325C1C A147SC 14 LTGN 0587577C1 1652325C1D A147SD 14 LTGN 0587577C1 1652325C1E A147SE 14 LTGN 0587577C1 1652325C1F A147SF 14 LTGN 0587577C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEC L92DL 18 TN 3594831C1 1661872C1D L92DM 18 TN 3594831C1 1661872C1

194 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (828), (851M), (873F), P. 48

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 048- - INITIAL RELEASE. A 77636F

D

BACK-UP LIGHT CONNECTOR(828)

CONNECTOR 1671611C1BODY LOCK 1671608C1

A

B

A

C

B

A

C

B

CONNECTOR 1661497C91

RETARDER INTENSITY(873F)

ENGINE BRAKE(851M)

CONNECTOR 0587569C91

A

CB

D

BACK-UP LIGHT CONNECTOR(828)

CONNECTOR 1671611C1BODY LOCK 1671608C1

A

B

A

C

B

A

C

B

CONNECTOR 1661497C91

RETARDER INTENSITY(873F)

ENGINE BRAKE(851M)

CONNECTOR 0587569C91

A

CB

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K24BD 16 GY 0587575C1 1652325C1B K24CL 16 GY 0587575C1 1652325C1C K92-GT 18 TN 0587576C1 1652325C1D K24BL 16 GY 0587575C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K92RE 16 TN 0587577C1 1652325C1B K92RF 16 TN 0587577C1 1652325C1C K92RG 16 TN 0587577C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA RD 14 RD 2033912C1 0589391C1B WH 14 WH 2033912C1 0589391C1

UENR1839© July 2011 Caterpillar. All rights reserved.

195

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (887), (950F), (958F), P. 49

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAMEDRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 049- - INITIAL RELEASE. A 77636F

RETARDER MODULATION INTENSITY(950F)

CONNECTOR 0587569C91

REMOTE CRUISE(958F)

A

B

A

C

B

A

C

A

B

* W/ FAN OVERRIDE# N/ FAN OVERRIDE

APADS(887)

CONNECTOR 0587569C91

CONNECTOR 0587567C91

B

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K92RE 16 TN 0587577C1 1652325C1B K92RF 16 TN 0587577C1 1652325C1C K92RG 16 TN 0587577C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K97BA 18 VT 0587578C1 1652325C1B K97-GG 18 VT 0587578C1 1652325C1C K97BB 18 VT 0587578C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA* K23AC 18 TN 0587578C1 1652325C1A# K23AC 18 TN 0587578C1 3517771C1B K77AE 14 LTGN 0587577C1 0589391C1

CATERPILLAR, INC

196 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1001-M1), P. 50

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 050- - INITIAL RELEASE. A 77636F

4D

J

3

M2E

2

A

D

2

A

M3

G G

EC

F

B

G

FUSEBLOCK # 1-3(1001-M1)

4

M1

B

CE

A

C

F

J

2

HD

1

F

B4

H

& MUTUALLY EXCLUSIVE

CONNECTOR 3535703C91BODY LOCK1 3536085C1 (QTY 3)BODY LOCK2 3599541C1 (QTY 12)

H

3 31 1

J

CHART CONTINUED TO SHEET NO 51

CAV CIRCUIT GAUGE COLOR TERMINALM1-A1 A71FB 18 OR 3515517C1M1-B1 A71 16 OR 3515517C1M1-C1 A11GS 14 WH 3536301C1M1-D1 A17-G 18 WH 3515517C1M1-E1 (A11GS) - - 3536301C1M1-F1 A70B 14 OR 3573312C1M1-G1 (A11GS) - - 3536301C1M1-H1 A57VT 12 OR 3573311C1M1-J1 - - - -

M1-A2A71A 16 OR 3573312C1A71B 18 OR 3573312C1

M1-B2 A92 18 TN 3515517C1

M1-C2&A44 18 GY 3573312C1

A44A 16 GY 3573312C1

M1-C2&A44 18 GY 3536295C1

A44A 16 GY 3536295C1M1-D2 A17F 18 PK 3515517C1M1-E2 A70BA 14 OR 3516158C1M1-F2 A94SS 18 GY 3515517C1M1-G2 A57T 12 OR 3516158C1M1-H2 A57CT 18 OR 3515517C1M1-J2 - - - -M1-A3 A11GT 14 WH 3536304C1M1-B3 A70E 10 OR 3515518C1M1-C3 (A11GT) - - 3536304C1

CAV CIRCUIT GAUGE COLOR TERMINALM1-D3 A94VT 12 GY 3573311C1M1-E3 (A11GT) - - 3536304C1M1-F3 A54VT 12 BN 3573311C1M1-G3 (A11GT) - - 3536304C1M1-H3 A56VT 12 OR 3573311C1M1-J3 - - - -M1-A4 A70T 10 OR 3515518C1M1-B4 A70D 18 OR 3515517C1M1-C4 A94T 12 GY 3573311C1M1-D4 A94CT 18 GY 3515517C1M1-E4 A54T 12 BN 3573311C1M1-F4 A54CT 18 BN 3515517C1M1-G4 A56T 12 OR 3573311C1M1-H4 A56CT 18 OR 3515517C1M1-J4 - - - -

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1001-M2), (1001-M3), P. 51

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 051- - INITIAL RELEASE. A 77636F

& MUTUALLY EXCLUSIVE

FUSEBLOCK # 1-3(1001-M2)

FUSEBLOCK # 1-3(1001-M3)

CHART CONTINUED FROM SHEET NO 50

CHART CONTINUED TO SHEET NO 52

CAV CIRCUIT GAUGE COLOR TERMINALM3-A1 - - - -M3-B1 - - - -M3-C1 - - - -M3-D1 - - - -M3-E1 - - - -M3-F1 - - - -M3-G1 - - - -M3-H1 - - - -M3-J1 - - - -M3-A2 A13EB 12 PK 3536304C1M3-B2 - - - -M3-C2 (A13EB) 3536304C1M3-D2 - - - -M3-E2 (A13EB) - - 3536304C1

M3-F2& A44V 18 GY 3573312C1M3-F2& A97ALV 18 VT 3573312C1M3-G2 (A13EB) - - 3536304C1

M3-H2A13BB 18 PK 3515517C1A13BB 16 PK 3515517C1

M3-J2 - - - -M3-A3 A13DA 12 PK 3536304C1M3-B3 A13D 16 PK 3515517C1M3-C3 (A13DA) - - 3536304C1M3-D3 - - - -M3-E3 (A13DA) - - 3536304C1M3-F3 A95 18 TN 3515517C1M3-G3 (A13DA) - - 3536304C1M3-H3 A97CR 18 VT 3515517C1M3-J3 - - - -M3-A4 A13EA 12 PK 3536304C1M3-B4 A13DF 16 PK 3515517C1M3-C4 (A13EA) - - 3536304C1M3-D4 - - - -M3-E4 (A13EA) - - 3536304C1M3-F4 A49VA 18 GY 3573312C1

M3-G4(A13EA) - - 3536304C1

A13EB 12 PK 3536304C1M3-H4 A13TC 16 PK 3573312C1M3-J4 - - - -

CAV CIRCUIT GAUGE COLOR TERMINALM2-A1 (A13GE) - - 3536303C1M2-B1 A68BBV 14 BN 3516158C1M2-C1 (A13GE) - - 3536303C1M2-D1 A71BBV 16 LTBL 3573312C1M2-E1 (A13GE) 3536303C1M2-F1 A12BBV 14 LTBL 3573312C1M2-G1 A13GE 16 WH 3536303C1M2-H1 A14HC 10 RD 3573311C1M2-J1 - - - -M2-A2 A68BB 14 BN 3573312C1

M2-B2A68BBC 18 BN 3573312C1A54BBC 18 BN 3573312C1

M2-C2 A71BB 16 LTBL 3573312C1

M2-D2A71AC 16 OR 3536295C1A71B 18 OR 3515517C1A71A 16 OR 3536295C1

M2-E2 A12BB 14 LTBL 3516158C1M2-F2 A12BBC 18 LTBL 3515517C1

M2-G2A13D 16 PK 3536295C1A13E 16 PK 3536295C1

M2-H2 A13F 18 PK 3515517C1M2-J2 - - - -

M2-A3A49-GA 18 WH 3536295C1A49-GB 18 WH 3536295C1

M2-B3 A49G 18 GY 3515517C1M2-C3 A49GA 18 GY 3515517C1M2-D3 A49VB 18 GY 3515517C1M2-E3 - - - -M2-F3 - - - -M2-G3 - - - -M2-H3 - - - -M2-J3 - - - -M2-A4 A49-GB 18 WH 3515517C1M2-B4 A49C 18 GY 3515517C1

M2-C4A49S 18 GY 3536295C1

A49DB 18 GY 3536295C1

M2-D4A49CB 18 GY 3536295C1A49DA 16 GY 3536295C1

M2-E4 - - - -M2-F4 - - - -M2-G4 - - - -M2-H4 - - - -M2-J4 - - - -

198 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1001-M2), (1001-M3), P. 52

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 052- - INITIAL RELEASE. A 77636F

CHART CONTINUED FROM SHEET NO 51

FUSE LOCATION CAVITY RATING PART NUMBER DESCRIPTIONFUSE

F1-A G1-H1 - - -F1-B G2-H2 15 3534210C1 TCM IGNITIONF1-C G3-H3 15 3534210C1 CRUISE CONTROLF1-D G4-H4 10 3534209C1 PTO COOLING FANF1-E E1-F1 - - -F1-F E2-F2 5 3534208C1 PARK BRAKE SWITCHF1-G E3-F3 10 3534209C1 AFTERTREATMENTF1-H E4-F4 5 3534208C1 DIFFERENTIAL LOCKF1-J A1-B1 - - -F1-K A2-B2 - - -F1-L A3-B3 10 3534209C1 IGNITION SPLICE PACKF1-M A4-B4 15 3534210C1 ECM SENSOR INTERFACE IGNITION

RELAY LOCATION - CAVITY PART NUMBER DESCRIPTIONA1, A2, B1, B2 2012557C1 BODY TAIL RELAYA3, A4, B3, B4 2012557C1 DIFFERENTIAL LOCK CONTROLC1, C2, D1, D2 2012557C1 BODY BACK-UP LIGHTC3, C4, D3, D4 2012557C1 DIFFERENTIAL LOCK LATCHE1, E2, F1, F2 2012557C1 BODY ACCESSORY RELAYG1, G2, H1, H2 2012557C1 IGNITION RELAY

RELAY LOCATION - CAVITY PART NUMBER DESCRIPTIONA1, A2, B1, B2 2012557C1 REVERSE RANGE RELAYA3, A4, B3, B4 2012557C1 TRAILER STOP RELAYC1, C2, D1, D2 2012557C1 START SWITCH GROUNDC3, C4, D3, D4 2012557C1 ABS TRAILER RELAYE1, E2, F1, F2 2012557C1 STOP LIGHT RELAYE3, E4, F3, F4 2012557C1 TRAILER MARKER RELAYG1, G2, H1, H2 3607384C1 TRAILER R TURN RELAYG3, G4, H3, H4 3607384C1 TRAILER L TURN RELAY

UENR1839© July 2011 Caterpillar. All rights reserved.

199

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1002-M1), P. 53

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 053- - INITIAL RELEASE. A 77636F

G

HF

H

G

D

E

J

D

4

HCONNECTOR 3535703C91BODY LOCK1 3536085C1 (QTY-3) BODY LOCK2 3599541C1 (QTY-12)

B

C

D

34

B

M2

E

3

AE

2 1

GC

F

3

J

M1

A

B

1

C

4F

J

1

FUSEBLOCK # 4-6(1002-M1)

2

A

2

M3

CHART COTINUED TO SHEET NO 54

CAV CIRCUIT GAUGE COLOR TERMINALM1-A1 A75-G 14 WH 3536304C1M1-B1 A77T 14 LTGN 3516158C1M1-C1 (A75-G) 3536304C1M1-D1 A75A 14 LTGN 3573312C1M1-E1 (A75-G) 3536304C1M1-F1 A75D 18 LTGN 3515517C1M1-G1 (A75-G) 3536304C1M1-H1 - - - -M1-J1 - - - -M1-A2 A77H 18 LTGN 3515517C1M1-B2 A77W 18 LTGN 3515517C1M1-C2 A75BL 18 LTGN 3515517C1M1-D2 A13BH 18 PK 3515517C1M1-E2 A75M 18 LTGN 3515517C1M1-F2 A75N 14 LTGN 3573312C1M1-G2 - - - -M1-H2 - - - -M1-J2 - - - -M1-A3 A12-G 18 LTBL 3515517C1M1-B3 A83V 12 LTGN 3516158C1M1-C3 - - - -M1-D3 A39V 16 GY 3515517C1M1-E3 A85D 18 GY 3515517C1

M1-F3A85D 18 GY 3573312C1A85 16 GY 3573312C1

M1-G3A81N 18 LTGN 3573312C1A81P 18 LTGN 3573312C1

CAV CIRCUIT GAUGE COLOR TERMINALM1-H3 - - - -

M1-J3A81J 18 LTGN 3573312C1A81K 18 LTGN 3573312C1

M1-A4 A83DA 12 LTGN 3573311C1M1-B4 A12C 18 LTBL 3515517C1M1-C4 A39B 16 GY 3573312C1M1-D4 A13-GAD 18 PK 3515517C1M1-E4 A85B 16 GY 3573312C1M1-F4 A85C 18 GY 3515517C1M1-G4 A81VA 18 LTGN 3536300C1M1-H4 A81-GB 18 LTGN 3515517C1M1-J4 (A81VA) - - 3536300C1

200 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1002-M2), (1002-M3), P. 54

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 054- - INITIAL RELEASE. A 77636F

CHART COTINUED TO SHEET NO 55

FUSEBLOCK # 4-6(1002-M3)

FUSEBLOCK # 4-6(1002-M2)

CHART COTINUED FROM SHEET NO 53

CAV CIRCUIT GAUGE COLOR TERMINALM3-A1 A12AD 16 LTBL 3536304C1

M3-B1A64 14 YL 3516158C1A64 14 YL 3516158C1

M3-C1 (A12AD) - - 3536304C1M3-D1 - - - -M3-E1 (A12AD) - - 3536304C1M3-F1 A78V 20 LTGN 3536294C1M3-G1 (A12AD) - - 3536304C1M3-H1 A86 18 LTGN 3515517C1M3-J1 - - - -M3-A2 A12AE 16 LTBL 3536303C1M3-B2 A86F 16 LTGN 3573312C1M3-C2 (A12AE) - - 3536303C1M3-D2 - - - -M3-E2 (A12AE) - - 3536303C1M3-F2 A12BBC 18 LTBL 3515517C1M3-G2 (A12AE) - - 3536303C1M3-H2 A12C 18 LTBL 3515517C1M3-J2 - - - -

M3-A3A13D 16 PK 3536303C1

A13DA 12 PK 3536303C1M3-B3 A13ECM 16 PK 3573312C1M3-C3 (A13D) - - 3536303C1M3-D3 - - - -M3-E3 (A13D) - - 3536303C1M3-F3 A94CT 18 GY 3515517C1M3-G3 (A13D) - - 3536303C1

M3-H3A49A 18 GY 3515517C1A49B 18 GY 3515517C1

M3-J3 - - - -

M3-A4A13E 16 PK 3536303C1

A13EA 12 PK 3536303C1M3-B4 A97CL 18 VT 3515517C1M3-C4 (A13E) - - 3536303C1M3-D4 - - - -M3-E4 (A13E) - - 3536303C1

M3-F4A92B 16 TN 3573312C1A92E 18 TN 3515517C1

M3-G4 (A13E) - - 3536303C1M3-H4 A66D 14 YL 3573312C1M3-J4 - - - -

CAV CIRCUIT GAUGE COLOR TERMINALM2-A1 A11GJ 16 WH 3536304C1M2-B1 A54BBV 14 BN 3573312C1M2-C1 (A11GJ) 3536304C1M2-D1 A70BBV 14 RD 3573312C1M2-E1 (A11GJ) 3536304C1M2-F1 A57BBV 14 OR 3573312C1M2-G1 (A11GJ) 3536304C1M2-H1 A56BBV 14 OR 3573312C1M2-J1 - - - -M2-A2 A54BB 14 BN 3573312C1M2-B2 A54BBC 18 BN 3515517C1M2-C2 A70BB 14 RD 3573312C1M2-D2 A70BBC 18 RD 3515517C1

M2-E2A57BB 16 OR 3573311C1A57BC 16 OR 3573311C1

M2-F2 A57BBC 18 OR 3515517C1

M2-G2A56BB 16 OR 3573311C1A56BC 16 OR 3573311C1

M2-H2 A56BBC 18 OR 3515517C1M2-J2 - - - -M2-A3 A14HA 10 RD 3536303C1M2-B3 A57BBV 14 OR 3573312C1M2-C3 (A14HA) 3536303C1M2-D3 - - - -M2-E3 (A14HA) - - 3536303C1M2-F3 A70BBV 14 RD 3573312C1M2-G3 (A14HA) - - 3536303C1M2-H3 A54BBV 14 BN 3573312C1M2-J3 - - - -M2-A4 A14HB 10 RD 3536303C1M2-B4 A56BBV 14 OR 3573312C1M2-C4 (A14HB) 3536303C1M2-D4 - - - -M2-E4 (A14HB) - - 3536303C1M2-F4 A68BBV 14 BN 3573312C1M2-G4 (A14HB) - - 3536303C1

M2-H4A92C 16 TN 3573312C1A92C 16 TN 3515517C1

M2-J4 - - - -

UENR1839© July 2011 Caterpillar. All rights reserved.

201

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1002-M2), (1002-M3), P. 55

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 055- - INITIAL RELEASE. A 77636F

CHART CONTINUED FROM SHEET NO 54

RELAY LOCATION - CAVITY PART NUMBER DESCRIPTION

A1, A2, B1, B2 2012557C1 AC CONTROL RELAYA3, A4, B3, B4 2012557C1 POWER WINDOW RELAYC1, C2, D1, D2 2012557C1 MAIN CONTROL RELAYC3, C4, D3, D4 2012557C1 AIR DRYER RELAYE1, E2, F1, F2 2012557C1 MED-HI SPEED RELAYE3, E4, F3, F4 2012557C1 HORN RELAY

G1, G2, H1, H2, J1, J2 2012557C1 HIGH SPEED RELAYG3, G4, H3, H4, J3, J4 2012557C1 POWER DOOR UNLOCK RELAY

RELAY LOCATION - CAVITY PART NUMBER DESCRIPTIONA1, A2, B1, B2 2012557C1 BODY MARKER RELAYC1, C2, D1, D2 2012557C1 BODY STOP RELAYE1, E2, F1, F2 3607384C1 BODY R TURN RELAYG1, G2, H1, H2 3607384C1 BODY L TURN RELAY

FUSE LOCATION CAVITY RATING PART NUMBER DESCRIPTIONFUSE

F4-A G1-H1 20 3534211C1 ENTERTAINMENT RADIOF4-B G2-H2 5 3534208C1 POWER WINDOW RELAY CONTROLF4-C G3-H3 5 3534208C1 DIFFENTIAL LOCK CONTROLF4-D G4-H4 25 3534213C1 DRL MODULEF4-E E1-F1 15 3534210C1 REMOTE ADJUSTABLE MIRRORSF4-F E2-F2 5 3534208C1 BODY BUILDER ACCESSORY CONTROLF4-G E3-F3 5 3534208C1 TRAILER ABS RELAYF4-H E4-F4 10 3534209C1 TRANSMISSION SELECTORF4-J A1-B1 15 3534210C1 FOG LIGHTSF4-K A2-B2 20 3534211C1 CB RADIO POWERF4-L A3-B3 10 3534209C1 ENGINE ECM POWERF4-M A4-B4 15 3534210C1 CLUTCH SWITCHF5-C G3-H3 30 3534213C1 BODY MARKER LIGHTSF5-D G4-H4 10 3534209C1 TRANSMISSION SELECTORF5-G E3-F3 20 3534211C1 BODY STOP LIGHTSF5-H E4-F4 20 3534211C1 BODY TAIL LIGHTSF5-L A3-B3 20 3534211C1 BODY RIGHT TURN LIGHTF5-M A4-B4 20 3534211C1 BODY LEFT TURN LIGHT

202 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1003-M1), P. 56

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 056- - INITIAL RELEASE. A 77636F

C

3

F

1

J

3

E

2

J

HD

1

B4

H

CONNECTOR 3535703C91BODY LOCK1 3536085C1 (QTY-3)BODY LOCK2 3599541C1 (QTY-12)

A

4D

J

3

M2E

2

A

D

2

M3

G

F

M1G

EC

F

B

FUSEBLOCK # 6-9(1003-M1)

C

G

B

1

H

4

A

& MUTUALLY EXCLUSIVE

CHART CONTINUED TO SHEET NO 57

CAV CIRCUIT GAUGE COLOR TERMINALM1-F3 A17DB 14 PK 3516158C1

M1-G3A81L 18 LTGN 3536295C1A81M 18 LTGN 3536295C1

M1-H3 - - - -

M1-J3A81E 18 LTGN 3536295C1A81F 18 LTGN 3536295C1

M1-A4A12AD 16 LTBL 3573311C1A12AE 16 LTBL 3573311C1

M1-B4 A12 18 LTBL 3515517C1

M1-C4A68E 16 BN 3536295C1A68E 10 BN 3515518C1A68T 16 BN 3536295C1

M1-D4 A58P 18 BN 3515517C1M1-E4 A17B 14 PK 3516158C1

M1-F4& A17DC 14 WH 3516158C1M1-F4& A17A 18 PK 3515517C1

M1-G4A81VA 18 LTGN 3536300C1A81V 18 LTGN 3536300C1

M1-H4 A81-GA 18 LTGN 3515517C1M1-J4 (A81V) - - 3536300C1

CAV CIRCUIT GAUGE COLOR TERMINALM1-A1 A50-G 18 WH 3536304C1M1-B1 A53 14 YL 3516158C1M1-C1 (A50-G) - - 3536304C1

M1-D1A52 16 YL 3573312C1A52 16 YL 3515517C1

M1-E1 (A50-G) - - 3536304C1M1-F1& A64 14 YL 3573312C1

M1-F1&A64 14 YL 3573311C1

A64D 16 YL 3573311C1M1-G1 (A50-G) 3536304C1M1-H1 - - - -M1-J1 A77F 18 LTGN 3515517C1M1-A2 A51 12 YL 3573311C1M1-B2 A50BL 18 YL 3515517C1M1-C2 (A51) - - 3536299C1M1-D2 A50BH 18 YL 3515517C1M1-E2 A64B 14 YL 3573312C1M1-F2 A64A 14 YL 3573312C1M1-G2 - - - -M1-H2 A77C 18 LTGN 3515517C1M1-J2 A77R 18 LTGN 3515517C1M1-A3 A12-GR 18 LTBL 3515517C1M1-B3 A14BJ 14 RD 3573312C1M1-C3 A58-G 18 WH 3515517C1M1-D3 A68V 10 BN 3573311C1

M1-E3A17FA 18 PK 3515517C1A17FA 16 PK 3515517C1

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203

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1003-M2), (1003-M3), P. 57

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 057- - INITIAL RELEASE. A 77636F

FUSEBLOCK # 6-9(1003-M2)

FUSEBLOCK # 6-9(1003-M3)

CHART CONTINUED TO SHEET NO 58

CHART CONTINUED FROM SHEET NO 56

CAV CIRCUIT GAUGE COLOR TERMINALM2-A1 A13AA 14 PK 3536304C1M2-B1 A13CL 18 LTGN 3515517C1M2-C1 (A13AA) - - 3536304C1M2-D1 - - - -M2-E1 (A13AA) - - 3536304C1

M2-F1A82C 16 GY 3573311C1A82B 16 GY 3573311C1

M2-G1 (A13AA) - - 3536304C1M2-H1 A105L 16 LTGN 3515517C1M2-J1 - - - -M2-A2 (A13A) - - 3536304C1M2-B2 A55S 14 OR 3573312C1M2-C2 (A13A) - - 3536304C1M2-D2 - - - -M2-E2 (A13A) - - 3536304C1M2-F2 A95A 16 TN 3515517C1

M2-G2A13AA 14 PK 3536304C1A13A 14 PK 3536304C1

M2-H2 A105R 16 LTGN 3515517C1M2-J2 - - - -M2-A3 A13CA 14 PK 3536304C1M2-B3 A94KA 18 GY 3515517C1M2-C3 (A13CA) - - 3536304C1M2-D3 - - - -M2-E3 (A13CA) - - 3536304C1

M2-F3A71 16 OR 3573312C1A71 16 OR 3515517C1

M2-G3 (A13CA) - - 3536304C1M2-H3 A78H 16 LTGN 3573312C1M2-J3 - - - -M2-A4 (A13C) - - 3536304C1M2-B4 A75BC 18 LTGN 3515517C1M2-C4 (A13C) - - 3536304C1M2-D4 - - - -M2-E4 (A13C) - - 3536304C1M2-F4 A24AM 18 GY 3515517C1

M2-G4A13CA 14 PK 3536304C1A13C 14 PK 3536304C1

M2-H4 A39A 18 GY 3515517C1M2-J4 - - - -

CAV CIRCUIT GAUGE COLOR TERMINALM3-A1 A14FA 10 RD 3536303C1M3-B1 A56VT 12 OR 3573311C1M3-C1 (A14FA) - - 3536303C1M3-D1 - - - -M3-E1 (A14FA) - - 3536303C1M3-F1 A86V 18 LTGN 3515517C1M3-G1 (A14FA) - - 3536303C1M3-H1 A54VT 12 BN 3573311C1M3-J1 - - - -M3-A2 A14FB 10 RD 3536303C1M3-B2 A94VT 12 GY 3573311C1M3-C2 (A14FB) - - 3536303C1M3-D2 - - - -M3-E2 (A14FB) - - 3536303C1M3-F2 A57VT 12 OR 3573311C1M3-G2 (A14FB) - - 3536303C1M3-H2 A70E 10 OR 3515518C1M3-J2 - - - -M3-A3 A14FC 10 RD 3536303C1M3-B3 A75 10 LTGN 3573311C1M3-C3 (A14FC) - - 3536303C1M3-D3 - - - -M3-E3 (A14FC) - - 3536303C1M3-F3 A75A 14 LTGN 3573312C1M3-G3 (A14FC) - - 3536303C1M3-H3 A70B 14 OR 3573312C1M3-J3 - - - -M3-A4 A14FD 10 RD 3536303C1

M3-B4A60HA 16 OR 3573311C1A60HB 16 OR 3573311C1

M3-C4 (A14FD) - - 3536303C1M3-D4 - - - -M3-E4 (A14FD) - - 3536303C1M3-F4 A12BBV 14 LTBL 3573312C1M3-G4 (A14FD) - - 3536303C1M3-H4 A71BBV 16 LTBL 3573312C1M3-J4 - - - -

204 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1003-M2), (1003-M3), P. 58

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 058- - INITIAL RELEASE. A 77636F

CHART CONTINUED FROM SHEET NO 57

RELAY LOCATION - CAVITY PART NUMBER DESCRIPTIONA1, A2, B1, B2 2012557C1 LOW BEAM RELAYA3, A4, B3 ,B4 2012557C1 ACCESSORY RELAYC1, C2, D1, D2 2012557C1 HIGH BEAM RELAYC3, C4, D3, D4 2012557C1 TAIL LIGHT RELAYE1, E2, F1, F2 2012557C1 FOG LIGHT RELAYE3, E4, F3, F4 2012557C1 START RELAY

G1, G2, H1, H2, J1, J2 2012557C1 AC RELAYG3, G4, H3, H4, J3, J4 2012557C1 POWER DOOR LOCK RELAY

FUSE LOCATION CAVITY RATING PART NUMBER DESCRIPTIONFUSE BREAKER

F7-A G1-H1 20 3534211C1 - TRAILER MARKER LIGHTSF7-B G2-H2 15 3534210C1 - TRALER STOP LIGHTF7-C G3-H3 20 3534211C1 - ABS STOP LIGHTF7-D G4-H4 20 3534211C1 - BODY BUILTDE BACK-UP LIGHTF7-E E1-F1 15 3534210C1 - RADIO POWER LIGHTF7-F E2-F2 15 3534210C1 - TRAILER RIGHT TURN LIGHTSF7-G E3-F3 20 3534211C1 - HEATER CONTROLF7-H E4-F4 20 3534211C1 - BODY BUILTDE ACCESSORY FEEDF7-J A1-B1 15 3534210C1 - TRAILER LEFT TURN LIGHTSF7-K A2-B2 30 3534213C1 - TRAILER ABSF7-L A3-B3 30 3534213C1 - HEATER BLOWER MOTORF7-M A4-B4 5 3534208C1 - HAZARD FLASHERSF8-A G1-H1 15 3534210C1 - DRIVER SIDE HEATED SEATF8-B G2-H2 15 3534210C1 - PASSENGER SIDE HEATED SEATF8-C G3-H3 15 3534210C1 - HEATED MIRRORF8-D G4-H4 10 3534209C1 - HEATED DRAIN VALVEF8-E E1-F1 20 3534211C1 3536180C1 WIPER MOTOR IGNITION FEEDF8-F E2-F2 20 3534211C1 - FULE WATER SEPARATORF8-G E3-F3 10 3534209C1 - BACK-UP LIGHTSF8-H E4-F4 15 3534210C1 - ENGINE BRAKEF8-J A1-B1 10 3534209C1 - CLUSTER IGNITION FEEDF8-K A2-B2 5 3534208C1 - TURN SIGNAL SWITCHF8-L A3-B3 5 3534208C1 - ABS MODULE IGNITIONF8-M A4-B4 10 3534209C1 - BLOWER MOTOR CONTROL

UENR1839© July 2011 Caterpillar. All rights reserved.

205

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1004-M1), P. 59

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 059- - INITIAL RELEASE. A 77636F

B

C

1

H

C

M2

1

E

3

FD

2

G

J

3

GE

B

C

H

F

M1

G

4D D

34

J

A

2

AA

M3

E

F

J

H

12 4

B

CHART CONTINUED TO SHEET NO 60

CONNECTOR 3535703C91BODY LOCK1 3536085C1 (QTY-3)BODY LOCK2 3599541C1 (QTY-12)

FUSEBLOCK # 10-12(1004-M1)

& MUTUALLY EXCLUSIVE

CAV CIRCUIT GAUGE COLOR TERMINALM1-C3 (A56-G) - - 3536300C1M1-D3 - - - -M1-E3 A56RC 16 OR 3573312C1M1-F3 A56D 18 OR 3515517C1M1-G3 A66-GL 18 YL 3515517C1M1-H3 A13M 18 PK 3515517C1M1-J3 A13C 14 PK 3516158C1

M1-A4A56A 16 OR 3515517C1A56A 16 OR 3573311C1A56B 16 OR 3573311C1

M1-B4A56S 18 OR 3515517C1A56D 18 OR 3573312C1A56S 16 OR 3573312C1

M1-C4A56AA 16 OR 3515517C1A56AA 16 OR 3515517C1

M1-D4 A70AL 14 OR 3516158C1

M1-E4A56R 18 OR 3515517C1A56R 18 OR 3515517C1

M1-F4 A66HL 18 OR 3515517C1M1-G4 (A13GM) - - 3536300C1M1-H4 A14EB 14 RD 3573312C1M1-J4 A13GM 18 WH 3536300C1

CAV CIRCUIT GAUGE COLOR TERMINALM1-A1 A57-G 18 WH 3536300C1M1-B1 A55A 16 OR 3515517C1M1-C1 (A57-G) - - 3536300C1M1-D1 - - - -M1-E1 A57RC 16 OR 3573312C1M1-F1 A57D 18 OR 3515517C1M1-G1 A66-GR 18 YL 3515517C1

M1-H1A13F 18 PK 3573311C1A13N 14 PK 3573311C1

M1-J1 A13A 14 PK 3573312C1M1-A2& A57A 16 OR 3573312C1

M1-A2&A57A 16 OR 3573311C1A57B 16 OR 3573311C1

M1-B2& A57S 18 OR 3515517C1

M1-B2&A57S 18 OR 3573312C1A57D 18 OR 3573312C1

M1-C2A57AA 16 OR 3515517C1A57AA 16 OR 3515517C1

M1-D2 A70AR 14 OR 3573312C1

M1-E2A57R 18 OR 3515517C1A57R 18 OR 3515517C1

M1-F2 A66HR 18 OR 3515517C1M1-G2 (A13-G) - - 3536300C1M1-H2 A14EA 14 RD 3573312C1M1-J2 A13-G 18 WH 3536300C1M1-A3 A56-G 18 WH 3536300C1

M1-B3A55 16 OR 3573311C1

A55A 16 OR 3573311C1

206 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1004-M2), (1004-M3), P. 60

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 060- - INITIAL RELEASE. A 77636F

FUSE BLOCK # 10-12(1004-M2)

FUSE BLOCK # 10-12(1004-M3)

CHART CONTINUED FROM SHEET NO 59

CHART CONTINUED TO SHEET NO 61

CAV CIRCUIT GAUGE COLOR TERMINALM3-A1 (A14A) - - 3536303C1M3-B1 A14CL 16 RD 3573312C1M3-C1 (A14A) - - 3536303C1M3-D1 A147VD 14 LTGN 3573312C1M3-E1 (A14A) - - 3536303C1M3-F1 A94P 12 GY 3573311C1M3-G1 A14A 10 RD 3536303C1M3-H1 A83V 12 LTGN 3516158C1M3-J1 - - - -M3-A2 A14B 10 RD 3536303C1M3-B2 A97DL 14 VT 3573312C1M3-C2 (A14B) - - 3536303C1M3-D2 A147VC 14 LTGN 3573312C1M3-E2 (A14B) - - 3536303C1M3-F2 A85 16 GY 3573312C1M3-G2 (A14B) - - 3536303C1M3-H2 A81V 18 LTGN 3515517C1M3-J2 - - - -M3-A3 (A14C) 3536303C1M3-B3 A50 18 YL 3515517C1M3-C3 (A14C) - - 3536303C1M3-D3 A147VB 14 LTGN 3573312C1M3-E3 (A14C) - - 3536303C1M3-F3 A39V 16 GY 3515517C1M3-G3 A14C 10 RD 3536303C1

M3-H3A63 16 DKBL 3573312C1

A63A 18 DKBL 3573312C1M3-J3 - - - -M3-A4 A14D 10 RD 3536303C1M3-B4 A50A 18 YL 3515517C1M3-C4 (A14D) - - 3536303C1M3-D4 A147VA 14 LTGN 3573312C1M3-E4 (A14D) - - 3536303C1M3-F4 A68V 10 BN 3573311C1M3-G4 (A14D) - - 3536303C1

M3-H4A63D 18 DKBL 3573312C1A63E 18 DKBL 3573312C1

M3-J4 - - - -

CAV CIRCUIT GAUGE COLOR TERMINALM2-A1 (A14KA) - - 3536304C1M2-B1 A51 12 YL 3573311C1M2-C1 (A14KA) - - 3536304C1M2-D1 - - - -M2-E1 (A14KA) - - 3536304C1M2-F1 A55V 12 OR 3573311C1M2-G1 A14KA 14 RD 3536304C1M2-H1 A86K 14 LTGN 3516158C1M2-J1 - - - -M2-A2 A14KB 14 RD 3536304C1M2-B2 A65V 16 OR 3515517C1M2-C2 (A14KB) - - 3536304C1M2-D2 - - - -M2-E2 (A14KB) - - 3536304C1M2-F2 A70 12 OR 3573311C1M2-G2 (A14KB) - - 3536304C1M2-H2 A86M 14 LTGN 3573312C1M2-J2 - - - -M2-A3 (A14KC) - - 3536304C1M2-B3 A66A 14 YL 3573312C1M2-C3 (A14KC) - - 3536304C1M2-D3 A147VF 14 LTGN 3573312C1M2-E3 (A14KC) - - 3536304C1M2-F3 A77T 14 LTGN 3573312C1M2-G3 A14KC 14 RD 3536304C1M2-H3 A84 14 LTGN 3573312C1M2-J3 - - - -M2-A4 A14KD 14 RD 3536304C1M2-B4 A102 18 GY 3515517C1M2-C4 (A14KD) - - 3536304C1M2-D4 A147VE 14 LTGN 3573312C1M2-E4 (A14KD) - - 3536304C1M2-F4 - - - -M2-G4 (A14KD) - - 3536304C1M2-H4 A15 16 RD 3573312C1M2-J4 - - - -

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1004-M2), (1004-M3), P. 61

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 061- - INITIAL RELEASE. A 77636F

CHART CONTINUED FROM SHEET NO 60

FUSE LOCATION CAVITY RATING PART NUMBER DESCRIPTIONFUSE BREAKER

F10-A G1-H1 20 3534211C1 - POWER WINDOWSF10-B G2-H2 15 3534210C1 - POWER DOOR LOCKSF10-C G3-H3 15 3534210C1 - DOME / COURTESY LIGHTSF10-D G4-H4 15 3534210C1 - MAP LIGHTSF10-E E1-F1 30 3534209C1 - ABS POWERF10-F E2-F2 15 3534210C1 - HORNF10-G E3-F3 15 3534210C1 - AIR DRYERF10-H E4-F4 30 3534209C1 - CAB AND TRAILER TAIL LIGHTSF10-J A1-B1 5 3534208C1 - CLUSTER BATTERY FEEDF10-K A2-B2 20 3534211C1 - DIAGNOSTIC CONNECTOR BATTERYF10-L A3-B3 10 3534209C1 - TAIL / MARKER LIGHTSF10-M A4-B4 10 3534209C1 3536178C1 HEADLIGHT SWITCHF11-A G1-H1 20 3534211C1 - 12V POWER RECEPTACLEF11-B G2-H2 20 3534211C1 - 12V TERMINAL POWER SOURCEF11-C G3-H3 15 3534210C1 - CIGAR LIGHTERF11-D G4-H4 25 3534213C1 - START SWITCHF11-E E1-F1 25 3534213C1 - TURN SIGNAL / HAZARD FLASHERF11-F E2-F2 20 3534211C1 - STOP LIGHTSF11-G E3-F3 10 3534209C1 - AC CONTROLF11-H - - - - -F11-J A1-B1 25 3534213C1 3536181C1 HEADLIGHTSF11-K A2-B2 15 3534210C1 - WORK LIGHTF11-L A3-B3 15 3534210C1 - DAYTIME RUNNING LIGHTSF11-M A4-B4 5 3534208C1 - FLASH-TO-PASS

RELAY LOCATION - CAVITY PART NUMBER DESCRIPTIONA1, A2, B1, B2 3607384C1 RIGHT TURN RELAYA3, A4, B3 ,B4 3607384C1 LEFT TURN RELAY

C1, C2, D1, D2, E1, E2 3607384C1 RIGHT TURN / STOP RELAYC3, C4, D3, D4, E3, E4 3607384C1 LEFT TURN / STOP RELAY

F1, F2, G1, G2 3607384C1 RIGHT TURN W/ DRLF3, F4, G3, G4 3607384C1 LEFT TURN W/ DRLH1, H2, J1, J2 2012557C1 IGNITION RELAY #1H3, H4, J3, J4 2012557C1 IGNITION RELAY #2

208 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1011), (1015), (1020), P. 62

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 062- - INITIAL RELEASE. A 77636F

ALLISON SHIFTER(1011)

CONNECTOR 3540613C1BODY LOCK 3540615C1

B

A

C

TAIL / CLEARANCE SPLICE PACK(1015)

CONNECTOR 3613769C1

5 VOLT SOURCE SPLICE PACK(1020)

HG

JBCD

FE

K

714

8

CONNECTOR 2006789C1BODY LOCK 2006792C1

G

1

D

A

FE

CAV CIRCUIT GAUGE COLOR TERMINAL1 A6 18 LTGN 3613771C12 A6PA 18 LTGN 3613771C13 A6SA 18 LTGN 3613771C14 A6AA 18 LTGN 3613771C15 - - - -6 - - - -7 - - - -8 - - - -9 - - - -10 - - - -11 - - - -12 - - - -13 - - - -14 - - - -

CAV CIRCUIT GAUGE COLOR TERMINAL

AA68E 16 BN 1661209C1A68E 10 BN 1661211C1

B A54F 12 BN 3566715C1C A54CL 18 BN 1661208C1D A68BBC 18 BN 1661208C1E A58A 18 BN 1661208C1F A54D 18 BN 1661208C1G A54CT 18 BN 1661208C1

CAV CIRCUIT GAUGE COLOR TERMINALA K92A 18 TN 1661262C1B K92B 18 TN 1661262C1C K5(+) 18 YL 1661262C1D K5(-) 18 GN 1661262C1E K62 18 DKBL 1661262C1F K92C 18 TN 1661262C1G K92D 18 TN 1661262C1H - - - -J - - - -K - - - -

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1021), (1025), P. 63

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 063- - INITIAL RELEASE. A 77636F

CONNECTOR 3601838C1BODY LOCK 3601839C1

0 VOLT SOURCE SPLICE PACK(1021)

714

8 1

J1939 SPLICE PACK (1025)

CONNECTOR 3613769C1

F G

A

H

L

EJ

M

CB

KD

CAV CIRCUIT GAUGE COLOR TERMINAL1 A9 18 LTGN 3613771C12 A9PA 18 LTGN 3613771C13 A9SA 18 LTGN 3613771C14 A9AA 18 GY 3613771C15 - - - -6 - - - -7 - - - -8 A9B 18 GY 3613771C19 - - - -10 - - - -11 - - - -12 - - - -13 - - - -14 A10 18 LTGN 3613771C1

CAV CIRCUIT GAUGE COLOR TERMINALA A5R(-) 18 GN 3534164C1B A5S(-) 18 GN 3534164C1C A5J(-) 18 GN 3534164C1D A5J(-) 18 GN 3534164C1E A5N(-) 18 GN 3534164C1F A5(-) 18 GN 3534164C1G A5(+) 18 YL 3534164C1H A5N(+) 18 YL 3534164C1J A5J(+) 18 YL 3534164C1K A5J(+) 18 YL 3534164C1L A5S(+) 18 YL 3534164C1M A5R(+) 18 YL 3534164C1

210 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1026), (1033), (1033M), P. 64

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 064- - INITIAL RELEASE. A 77636F

L

H

E B

A

D

F

C

CED

AB

F

A

J1939 SPLICE PACK(1026)

M

POWER WINDOW RIGHT(1033M)

CONNECTOR 3601838C1BODY LOCK 3601839C1

CONNECTOR 1661201C1

RIGHT POWER WINDOW(1033)

CONNECTOR 1661200C1

JC KB

D

GEF

CAV CIRCUIT GAUGE COLOR TERMINALA A63X 18 DKBL 1661208C1B A63Y 18 DKBL 1661208C1C A83D 14 LTGN 3566715C1D A83J 14 LTGN 3566715C1E A83K 14 LTGN 3566715C1F - - - -

CAV CIRCUIT GAUGE COLOR TERMINALA A63X 18 DKBL 1661212C1B A63Y 18 WH 1661212C1C A83D 14 LTGN 3534167C1D A83J 14 LTGN 3534167C1E A83K 14 LTGN 3534167C1F - - - -

CAV CIRCUIT GAUGE COLOR TERMINALA A5B(-) 18 LTGN 3534164C1B - - - -C A5K(-) 18 LTGN 3534164C1D A5K(-) 18 LTGN 3534164C1E - - - -F A5E(-) 18 LTGN 3534164C1G A5E(+) 18 YL 3534164C1H - - - -J A5K(+) 18 YL 3534164C1K A5K(+) 18 YL 3534164C1L - - - -M A5B(+) 18 YL 3534164C1

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1034M), (1034F), (1039), P. 65

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 065- - INITIAL RELEASE. A 77636F

POWER WINDOW LEFT(1034F)

CONNECTOR 3530407C1

LEFT POWER WINDOW SWITCH, DRIVERS SIDE(1039)

A

D

FB

FE

CDBA

4

10

36

8

1

25

CONNECTOR 1661201C1

POWER WINDOW LEFT(1034M)

7

CE

9

CONNECTOR 1661200C1

CAV CIRCUIT GAUGE COLOR TERMINALA A83-GA 14 WH 3534167C1B A83J 14 LTGN 3534167C1C A83C 14 LTGN 3534167C1D A83K 14 LTGN 3534167C1E - - - -F - - - -

CAV CIRCUIT GAUGE COLOR TERMINAL1 A83F 14 LTGN 3532125C12 A83-GC 14 WH 3532125C13 PLUG - - 3532129C14 A83N 14 LTGN 3532125C15 A83H 14 LTGN 3532125C16 PLUG - - 3532129C17 PLUG - - 3532129C18 PLUG - - 3532129C19 PLUG - - 3532129C110 PLUG - - 3532129C1

CAV CIRCUIT GAUGE COLOR TERMINALA A49C 18 GY 1661208C1B A49E 18 GY 1661208C1C A49D 18 GY 1661208C1D A49-G 18 WH 1661208C1E A49B 18 GY 1661208C1F A49A 18 GY 1661208C1

212 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1040), (1042), (1043), P. 66

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 066- - INITIAL RELEASE. A 77636F

CONNECTOR 3530407C1

RIGHT POWER LOCK SWITCH CONNECTOR(1043)

5

4

10

3

7 9

6

8

1

2

6

8

1

25

4

10

3

7 9

* W/ PASSENGER DOOR# W/ DRIVER DOOR

RIGHT POWER WINDOW SWITCH, PASSENGER SIDEor

RIGHT POWER WINDOW SWITCH, DRIVERS SIDE(1040)

CONNECTOR 3530407C1

3

7 9

6

1

2

8

5

4

10

CONNECTOR 3530407C1

ORANGE TAG(1042)

CAV CIRCUIT GAUGE COLOR TERMINAL1 A81L 18 LTGN 3532119C12 A81-GJ 18 WH 3532119C13 A81P 18 LTGN 3532119C14 PLUG - - 3532129C15 PLUG - - 3532129C16 PLUG - - 3532129C17 PLUG - - 3532129C18 PLUG - - 3532129C19 PLUG - - 3532129C1

10 PLUG - - 3532129C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 A81M 18 LTGN 3532119C12 A81-GG 18 WH 3532119C13 A81N 18 LTGN 3532119C14 PLUG - - 3532129C15 PLUG - - 3532129C16 PLUG - - 3532129C17 PLUG - - 3532129C18 PLUG - - 3532129C19 PLUG - - 3532129C1

10 PLUG - - 3532129C1

CAV CIRCUIT GAUGE COLOR TERMINAL1* A83K 14 LTGN 3532125C11# A83-GB 14 WH 3532125C12* A83L 14 LTGN 3532125C12# A83K 14 LTGN 3532125C13 PLUG - - 3532129C14* A83D 14 LTGN 3532125C14# A83E 14 LTGN 3532125C15* A83M 14 LTGN 3532125C15# A83J 14 LTGN 3532125C16 A83J 14 LTGN 3532125C17 PLUG - - 3532129C18 PLUG - - 3532129C19 PLUG - - 3532129C1

10 PLUG - - 3532129C1

UENR1839© July 2011 Caterpillar. All rights reserved.

213

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1043), (1044), P. 67

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 067- - INITIAL RELEASE. A 77636F

CONNECTOR 3515763C1BODY LOCK 3515765C1

CONNECTOR 1671610C1BODY LOCK 1671608C1

LEFT WINDOW MOTOR(1044)

CE

HBA

FA

FB

DC

H

E

G

B

RIGHT POWER DOOR LOCK(1043)

CONNECTOR 3515762C1BODY LOCK 3515764C1

A

G

D

CAV CIRCUIT GAUGE COLOR TERMINALA A81P 18 LTGN 1661261C1B A81J 18 LTGN 1661261C1C A81L 18 LTGN 1661261C1D A81E 18 LTGN 1661261C1E A81-GD 18 WH 1661261C1F A63DB 18 DKBL 1661261C1G A63-GW 18 WH 1661261C1H - - - -

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA A83F 14 LTGN 2033816C1 1652325C1B A83N 14 LTGN 2033816C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINALA A81P 18 LTGN 1661261C1B A81J 18 LTGN 1661261C1C A81L 18 LTGN 1661261C1D A81E 18 LTGN 1661261C1E A81-GD 18 WH 1661261C1F A63DB 18 DKBL 1661261C1G A63-GW 18 WH 1661261C1H - - - -

214 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1045), (1046), (1047), P. 68

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 068- - INITIAL RELEASE. A 77636F

CONNECTOR 3530414C1BODY LOCK 3530415C1

LEFT POWER DOOR LOCK(1046)

CONNECTOR 3530414C1BODY LOCK 3530415C1

RIGHT POWER DOOR LOCK(1047)

B

BA

A

RIGHT WINDOW MOTOR(1045)

B

CONNECTOR 1671610C1BODY LOCK 1671608C1

A

CAV CIRCUIT GAUGE COLOR TERMINALA A81J 18 LTGN 3530418C1B A81E 18 LTGN 3530418C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA A83M 14 LTGN 2033816C1 1652325C1B A83L 14 LTGN 2033816C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINALA A81K 18 LTGN 3530418C1B A81F 18 LTGN 3530418C1

UENR1839© July 2011 Caterpillar. All rights reserved.

215

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1048), (1050M), P. 69

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 069- - INITIAL RELEASE. A 77636F

K

LEFT POWER DOOR LOCK CONNECTION(1048)

FD

CONNECTOR 3515762C1BODY LOCK 3515764C1

MIRROR MOTOR / HEAT LIGHT / POWER CONNECTION(1050M)

C

A

D

BH

E A

CBG

E

H

D

H

J

GC

A

F

B

CONNECTOR 3540612C1BODY LOCK 3540614C1

E

GF

CONNECTOR 3515763C1BODY LOCK 3515765C1

CAV CIRCUIT GAUGE COLOR TERMINALA A78A 20 LTGN 3544254C1B A78EA 18 LTGN 1661261C1C A78C 20 LTGN 3544254C1D A78J 16 LTGN 1661261C1E A58J 18 BN 1661261C1F A11-GBM 18 WH 1661261C1G A56MT 18 OR 1661261C1H - - - -J - - - -K - - - -

CAV CIRCUIT GAUGE COLOR TERMINALA A81M 18 LTGN 1661261C1B A81-GG 18 WH 1661261C1C A63V 18 DKBL 1661261C1D A81N 18 LTGN 1661261C1E A81F 18 LTGN 1661261C1F A81K 18 LTGN 1661261C1G A63H 18 DKBL 1661261C1H A63DC 18 DKBL 1661261C1

CAV CIRCUIT GAUGE COLOR TERMINALA A81M 18 LTGN 1661262C1B A81-GG 18 WH 1661262C1C A63V 18 DKBL 1661262C1D A81N 18 LTGN 1661262C1E A81F 18 LTGN 1661262C1F A81K 18 LTGN 1661262C1G A63H 18 DKBL 1661262C1H A63C 18 DKBL 1661262C1

216 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1051F), (1054M), (1056M), P. 70

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 070- - INITIAL RELEASE. A 77636F

CONNECTOR 3527798C1

B

C

ED

CONNECTOR 3540612C1BODY LOCK 3540614C1

RIGHT POWER MIRROR COURTESY LIGHT CONNECTOR(1054M)

BLOWER CONTROL(1056M)

(LOCATED IN SLEEPER CONTROL PANEL)

B

A

C

H

C

BK

J

G

A

D

E

A

* W/ PASSENGER DOOR# W/ DRIVER DOOR

DOOR SWITCH / DOME & COURTESY LIGHT(1051F)

F

CONNECTOR 1664511C1

CAV CIRCUIT GAUGE COLOR TERMINALA A78D 20 LTGN 3544254C1B A78EB 18 LTGN 1661261C1C A78F 20 LTGN 3544254C1D A78K 18 LTGN 1661261C1E A58K 18 BN 1661261C1F A11-GY 16 WH 1661261C1G A57MT 18 OR 1661261C1H - - - -J - - - -K - - - -

CAV CIRCUIT GAUGE COLOR TERMINALA A75N 14 LTGN 0239805R1B - - - -C A75H 14 LTGN 0239805R1D A75BH 14 LTGN 0239805R1E A75B 14 LTGN 0239805R1

CAV CIRCUIT GAUGE COLOR TERMINALA* A63B 18 DKBL 3528062C1A# A63-GZ 18 WH 3528062C1B* A63-GW 18 WH 3528062C1B# A63C 18 DKBL 3528062C1C - - - -

UENR1839© July 2011 Caterpillar. All rights reserved.

217

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1057), (1058M), (1059M), P. 71

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 071- - INITIAL RELEASE. A 77636F

CONNECTOR 2018590C1

8

9

CONNECTOR 1661889C1BODY LOCK 1661890C1

AIR DISTRIBUTION MOTOR(1058M)

CONNECTOR 3522071C1

RECIRC MOTOR(1059M)

9

10

2

10

61

7

11

3

125

8

4

7

BC

A

65

HVAC CONTROL(1057)

(LOCATED IN SLEEPER CONTROL PANEL) CAV CIRCUIT GAUGE COLOR TERMINAL1 A75BP 18 LTGN 2018639C12 - - - -3 A75BE 18 LTGN 2018639C14 - - - -5 - - - -6 A75BF 18 LTGN 2018639C17 A75BG 18 LTGN 2018639C18 A62P 18 DKBL 2018639C19 A75BR 18 LTGN 2018639C110 A13BH 18 PK 2018639C111 A77W 18 LTGN 2018639C112 A75-GL 18 LTGN 2018639C1

CAV CIRCUIT GAUGE COLOR TERMINALA A75BK 18 LTGN 1661261C1B A75BF 18 LTGN 1661261C1C A75-GM 18 LTGN 1661261C1

CAV CIRCUIT GAUGE COLOR TERMINAL5 - - - -6 - - - -7 A75-GK 18 WH 3522073C18 A75BG 18 LTGN 3522073C19 - - - -

10 A75BM 18 LTGN 3522073C1

218 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1060M), (1076), (1090), P. 72

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 072- - INITIAL RELEASE. A 77636F

B

CONNECTOR 1661199C1 CONNECTOR 1661198C1

CIGAR LIGHTER(1090)

A

BA

C

C

AB

CONNECTOR 1661259C1BODY LOCK 1661263C1

CONNECTS TO LIGHT PIGTAIL(1076)

AB

HVAC(1060M)

(LOCATED IN INSTRUMENT PANEL)

CONNECTOR 1669973C1

CAV CIRCUIT GAUGE COLOR TERMINALA A75BE 18 LTGN 1661212C1B A75M 18 LTGN 1661212C1

CAV CIRCUIT GAUGE COLOR TERMINALA A62T 18 DKBL 1661208C1B A84 14 LTGN 3566715C1C A84-G 16 WH 1661209C1

CAV CIRCUIT GAUGE COLOR TERMINALA A62TA 18 DKBL 1661212C1B A84A 14 LTGN 3534167C1C A84-GA 16 WH 1661212C1

CAV CIRCUIT GAUGE COLOR TERMINALA D63U 18 DKBL 1661261C1B D63-GU 18 WH 1661261C1

UENR1839© July 2011 Caterpillar. All rights reserved.

219

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1095F), (1097F), (1099), P. 73

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 073- - INITIAL RELEASE. A 77636F

CONNECTOR 1667740C1BODY LOCK 1667771C1

J1939 BACKBONE(1097F)

CONNECTOR 1667741C1BODY LOCK 1667771C1

J1939 TERMINATING RESISTOR CONNECTOR(1099)

AC

B

B

C

A

B

C

A

* W/ EATON & ALLISON XMSN SHIFTER* W/ CAT XMSN SHIFTER

J1939 ALLISON DIAGNOSTIC(1095F)

CONNECTOR 3601919C1BODY LOCK 3601921C1

CAV CIRCUIT GAUGE COLOR TERMINALA K98YL5 18 YL 1680205C1B K98GN5 18 GN 1680205C1C PLUG - - 0453133C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA* K5B(+) 18 YL 1661875C1 3568570C1A# K5B(+) 20 YL 1661875C1 1661872C1B PLUG - - 2025431C1 -C* K5B(-) 18 GN 1661875C1 3568570C1C# K5B(-) 20 GN 1661875C1 1661872C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA M5F(+) 18 YL 1667742C1 3568570C1B PLUG - - 2025431C1 -C M5F(-) 18 GN 1667742C1 3568570C1

220 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1108), (1109M), P. 74

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 074- - INITIAL RELEASE. A 77636F

CONNECTOR 0587567C91

BEACON LIGHT SLEEPER CONNECTION(1109M)

CONNECTOR 0587568C91

A

B

A

B

BEACON LIGHT SLEEPER CONNECTION(1108)

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA WHITE 14 WH 0587575C1 0589391C1B BLACK 14 BK 0587575C1 0589391C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA WHITE 14 WH 0587577C1 0589391C1B BLACK 14 BK 0587577C1 0589391C1

UENR1839© July 2011 Caterpillar. All rights reserved.

221

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1129M), (1130M), (1131M), P. 75

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 075- - INITIAL RELEASE. A 77636F

8

1

7

10

2

8

1

1

10

6

9

CUSTOMER DEFINED AUX SWITCH # 1(1129M)

CONNECTOR 3530407C1

CUSTOMER DEFINED AUX SWITCH # 3(1131M)

3

4

9

5

6

3

4

9

5

6

3

25

4

7

8

CUSTOMER DEFINED AUX SWITCH # 2(1130M)

CONNECTOR 3530407C1

CONNECTOR 3530407C1

7

10

2

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 PLUG - - 3532129C1 -2 A147VC 14 LTGN 3532125C1 3509903C13 A147SC 14 LTGN 3532125C1 3509903C14 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 PLUG - - 3532129C1 -7 PLUG - - 3532129C1 -8 A62-GSC 18 WH 3532119C1 3532128C19 A147-GC 18 WH 3532119C1 3532128C110 A62SC 18 DKBL 3532119C1 3532128C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 PLUG - - 3532129C1 -2 A147VA 14 LTGN 3532125C1 3509903C13 A147SA 14 LTGN 3532125C1 3509903C14 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 PLUG - - 3532129C1 -7 PLUG - - 3532129C1 -8 A62-GSA 18 WH 3532119C1 3532128C19 A147-GA 18 WH 3532119C1 3532128C1

10 A62SA 18 DKBL 3532119C1 3532128C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 PLUG - - 3532129C1 -2 A147VB 14 LTGN 3532125C1 3509903C13 A147SB 14 LTGN 3532125C1 3509903C14 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 PLUG - - 3532129C1 -7 PLUG - - 3532129C1 -8 A62-GSB 18 WH 3532119C1 3532128C19 A147-GB 18 WH 3532119C1 3532128C110 A62SB 18 DKBL 3532119C1 3532128C1

222 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1132M), (1133M), (1134M), P. 76

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 076- - INITIAL RELEASE. A 77636F

CONNECTOR 3530407C1

CUSTOMER DEFINED AUX SWITCH # 6(1134M)

3

10

7

6

2

1

9

5

4

8

5

CONNECTOR 3530407C1

CUSTOMER DEFINED AUX SWITCH # 5(1133M)

CUSTOMER DEFINED AUX SWITCH # 4(1132M)

4

7

3

10

2

9

8

1

6

3

9

5

6

4

7

10

CONNECTOR 3530407C1

2

8

1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 PLUG - - 3532129C1 -2 A147VC 14 LTGN 3532125C1 3509903C13 A147SC 14 LTGN 3532125C1 3509903C14 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 PLUG - - 3532129C1 -7 PLUG - - 3532129C1 -8 A62-GSC 18 WH 3532119C1 3532128C19 A147-GC 18 WH 3532119C1 3532128C110 A62SC 18 DKBL 3532119C1 3532128C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 PLUG - - 3532129C1 -2 A147VA 14 LTGN 3532125C1 3509903C13 A147SA 14 LTGN 3532125C1 3509903C14 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 PLUG - - 3532129C1 -7 PLUG - - 3532129C1 -8 A62-GSA 18 WH 3532119C1 3532128C19 A147-GA 18 WH 3532119C1 3532128C1

10 A62SA 18 DKBL 3532119C1 3532128C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 PLUG - - 3532129C1 -2 A147VB 14 LTGN 3532125C1 3509903C13 A147SB 14 LTGN 3532125C1 3509903C14 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 PLUG - - 3532129C1 -7 PLUG - - 3532129C1 -8 A62-GSB 18 WH 3532119C1 3532128C19 A147-GB 18 WH 3532119C1 3532128C110 A62SB 18 DKBL 3532119C1 3532128C1

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1141), (1142), (1190), P. 77

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 077- - INITIAL RELEASE. A 77636F

CB

SJ

A E H

DOME LIGHT 2(1141)

M

CONNECTOR 1661198C1

P

GD

CONNECTOR 1661198C1

DOME LIGHT 1(1142)

CONNECTOR 3580540C1

XMSN / DASH JUMPER(1190)

C

A

A

CB

K N

F

B

L R

CAV CIRCUIT GAUGE COLOR TERMINALA A63B 18 DKBL 1661208C1B A63-GB 18 WH 1661208C1C A63-GH 18 WH 1661208C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K17-GA 18 WH 3534160C1 3535427C1B K98+ 18 BK 3534160C1 3535427C1C K-98 18 BK 3534160C1 3535427C1D K92J 18 TN 3534160C1 3535427C1E K17EM 18 PK 3534160C1 3535427C1F K92ER 18 TN 3534160C1 3535427C1G K17EA 18 PK 3534160C1 3535427C1H K92ETC 16 TN 3534160C1 3535428C1J K92EG 18 TN 3534160C1 3535427C1K K92EH 18 TN 3534160C1 3535427C1L K92EJ 18 TN 3534160C1 3535427C1M K98GN6 18 GN 3534160C1 3535427C1N K98YL6 18 YL 3534160C1 3535427C1P PLUG - - 3535430C1 -R PLUG - - 3535430C1 -S PLUG - - 3535430C1 -

CAV CIRCUIT GAUGE COLOR TERMINALA A63C 18 DKBL 1661208C1B A63-GC 18 WH 1661208C1C A63-GJ 18 WH 1661208C1

224 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1192), (1194), P. 78

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 078- - INITIAL RELEASE. A 77636F

GH

K

DCB

2

E

A

13

CONNECTOR 3716780C1

CAT SHIFTER CONNECTOR(1194)

EATON SHIFTER CONN 2(1192)

J

F

CONNECTOR 3554089C1

CAV CIRCUIT GAUGE COLOR TERMINALA1 PLUG - - 3554386C1A2 PLUG - - 3554386C1A3 PLUG - - 3554386C1B1 PLUG - - 3554386C1B2 PLUG - - 3554386C1B3 K62 18 DKBL 3565443C1C1 K92B 18 TN 3565443C1C2 PLUG - - 3554386C1C3 PLUG - - 3554386C1D1 PLUG - - 3554386C1D2 PLUG - - 3554386C1D3 PLUG - - 3554386C1E1 PLUG - - 3554386C1E2 PLUG - - 3554386C1E3 PLUG - - 3554386C1F1 K5A(+) 18 YL 3565443C1F2 K5A(-) 18 GN 3565443C1F3 PLUG - - 3554386C1G1 PLUG - - 3554386C1G2 PLUG - - 3554386C1G3 PLUG - - 3554386C1H1 PLUG - - 3554386C1H2 PLUG - - 3554386C1H3 PLUG - - 3554386C1J1 PLUG - - 3554386C1J2 PLUG - - 3554386C1J3 K92A 18 TN 3565443C1K1 PLUG - - 3554386C1K2 PLUG - - 3554386C1K3 PLUG - - 3554386C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 K5A(+) 20 YL 3869614C12 PLUG - - 3557238C13 PLUG - - 3557238C14 PLUG - - 3557238C15 KSHIELD A 20 NONE 3869614C16 K62 18 DKBL 3526966C17 K5A(-) 20 GN 3869614C18 K92A 18 TN 3526966C19 PLUG - - 3557238C110 PLUG - - 3557238C111 PLUG - - 3557238C112 PLUG - - 3557238C1

UENR1839© July 2011 Caterpillar. All rights reserved.

225

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1240), (1264), P. 79

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 079- - INITIAL RELEASE. A 77636F

EATON AUTOSHIFT DISPLAY(1240)

CONNECTOR 3584687C1

24 WAY CAT TCM CONN(1264)

CONNECTOR 3867019C1

1

9

10

6

7

5

2

83

4

1

6 24

19

CAV CIRCUIT GAUGE COLOR TERMINAL1 K14 14 RD 2034787C12 PLUG - - 045133C13 K14A 14 RD 2034787C14 PLUG - - 045133C15 PLUG - - 045133C16 PLUG - - 045133C17 K13 14 PK 2034787C18 PLUG - - 045133C19 PLUG - - 045133C1

10 PLUG - - 045133C111 PLUG - - 045133C112 PLUG - - 045133C113 PLUG - - 045133C114 PLUG - - 045133C115 PLUG - - 045133C116 PLUG - - 045133C117 K10 14 WH 2034787C118 PLUG - - 045133C119 K10A 14 WH 2034787C120 PLUG - - 045133C121 PLUG - - 045133C122 PLUG - - 045133C123 PLUG - - 045133C124 PLUG - - 045133C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 - - - -2 L92P 16 TN 3548972C13 - - - -4 L92MA 16 TN 3548972C15 L92ETA 16 TN 3548972C16 L3VC(-) 18 BK 3548971C17 L3UC(+) 18 BK 3548971C18 - - - -9 - - - -10 - - - -

226 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1266), (1267), P. 80

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 080- - INITIAL RELEASE. A 77636F

C

CONNECTOR 1667733C1BODY LOCK 1667734C1

PWR FEED CONN(1267)

B

CONNECTOR 1667732C1BODY LOCK 1667734C1

C

A

B

* W/ ALLISON TRANSMISSION# W/ CAT CX31 TRANSMISSION W/ RETARDER% W/ ULTRASHIFT VOCATIONAL PERFORMANCE

* W/ ALLISON TRANSMISSION# W/ CAT CX31 TRANSMISSION W/ RETARDER% W/ ULTRASHIFT VOCATIONAL PERFORMANCE

GROUND FEED CONN(1266)

A

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K14C 10 RD 1667737C1 1667735C1B* K92 14 TN 1667738C1 1671603C1B% K14AT 10 RD 1667737C1 1667735C1B# K14 14 RD 1667738C1 1671603C1C K14A 14 RD 1667738C1 1671603C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K10WH5 16 WH 1667736C1 1664232C1B* K92-G 14 TN 1667736C1 1671603C1B# K10-GE 12 WH 2025424C1 1671603C1B% K10 14 WH 1667736C1 1671603C1C K10A 14 WH 1667736C1 1671603C1

UENR1839© July 2011 Caterpillar. All rights reserved.

227

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1268), P. 81

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 081- - INITIAL RELEASE. A 77636F

70 WAY CAT TCM CONN(1268)

CONNECTOR 3866981C1

CAV CIRCUIT GAUGE COLOR TERMINAL26 PLUG - - 2023143C127 PLUG - - 2023143C128 PLUG - - 2023143C129 K44 18 GY 3526966C130 PLUG - - 2023143C131 PLUG - - 2023143C132 PLUG - - 2023143C133 PLUG - - 2023143C134 PLUG - - 2023143C135 PLUG - - 2023143C136 PLUG - - 2023143C137 PLUG - - 2023143C138 K92TRHM 18 TN 3526966C139 PLUG - - 2023143C140 PLUG - - 2023143C141 PLUG - - 2023143C142 K92TRHL 18 TN 3526966C143 PLUG - - 2023143C144 PLUG - - 2023143C145 PLUG - - 2023143C146 PLUG - - 2023143C147 PLUG - - 2023143C148 PLUG - - 2023143C149 PLUG - - 2023143C150 PLUG - - 2023143C151 PLUG - - 2023143C152 PLUG - - 2023143C153 PLUG - - 2023143C154 PLUG - - 2023143C155 PLUG - - 2023143C156 PLUG - - 2023143C157 PLUG - - 2023143C158 PLUG - - 2023143C159 PLUG - - 2023143C160 PLUG - - 2023143C161 PLUG - - 2023143C162 PLUG - - 2023143C163 PLUG - - 2023143C164 PLUG - - 2023143C165 PLUG - - 2023143C166 PLUG - - 2023143C167 K5VA(+) 18 YL 3526966C168 K5VA(-) 18 LTGN 3526966C169 PLUG - - 2023143C170 PLUG - - 2023143C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 K17 16 PK 3526966C12 PLUG - - 2023143C13 PLUG - - 2023143C14 PLUG - - 2023143C15 K92 16 TN 3526966C16 PLUG - - 2023143C17 K17SI 16 PK 3526966C18 K92A 16 TN 3526966C19 PLUG - - 2023143C1

10 PLUG - - 2023143C111 PLUG - - 2023143C112 PLUG - - 2023143C113 PLUG - - 2023143C114 PLUG - - 2023143C115 PLUG - - 2023143C116 PLUG - - 2023143C117 PLUG - - 2023143C118 PLUG - - 2023143C119 PLUG - - 2023143C120 PLUG - - 2023143C121 PLUG - - 2023143C122 K44-G 18 WH 3526966C123 PLUG - - 2023143C124 PLUG - - 2023143C125 PLUG - - 2023143C1

228 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1284), (1331), (1332), P. 82

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 082- - INITIAL RELEASE. A 77636F

A

CONNECTOR 0587567C91

CONNECTOR 0587567C91

CONNECTOR 3522068C1BODY LOCK 1661874C1

PASSENGER SIDE HEATED CONNECTOR(1332)

OUTSIDE AIR TEMP(1284)

A

B

A

B

B

DRIVER SIDE HEATED CONNECTOR(1331)

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA A105R 16 LTGN 0587577C1 1652325C1B A105-GR 18 WH 0587578C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINALA A105L 16 LTGN 0587577C1B A105-GL 18 WH 0587578C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA M41D 18 TN 1661875C1 1661872C1B M41E 18 TN 1661875C1 1661872C1

UENR1839© July 2011 Caterpillar. All rights reserved.

229

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1348), (1349), P. 83

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 083- - INITIAL RELEASE. A 77636F

CONNECTOR 3596926C1BODY LOCK 3562309C1

CONNECTOR 3596929C1

ABS - 6 ECU CONNECTOR 2(1349)

18 17 16

3 2 1

3 2 1

18 17 16

ABS - 6 ECU CONNECTOR 1(1348)

CAV CIRCUIT GAUGE COLOR TERMINAL1 A94-GA 12 WH 3597157C12 - - - -3 A94KA 18 GY 3598072C14 A94BM 18 GY 3598072C15 A94BN 18 GY 3598072C16 A94BE 18 GY 3598072C17 A5N(-) 18 GN 3598072C18 A5N(+) 18 YL 3598072C19 - - - -10 A94BH 16 GY 3598073C111 A94BF 18 GY 3598072C112 A94-GL2 16 WH 3548970C113 A98C(-) 16 BK 3598073C114 A98A(+) 16 BK 3598073C115 - - - -16 A94P 12 GY 3597157C117 - - - -18 A94H 16 GY 3548970C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 A94LB 18 GY 3598072C12 A94L 18 GY 3598072C13 A94LA 18 GY 3598072C14 A94RB 18 GY 3598072C15 A94LD 18 GY 3598072C16 A94RA 18 GY 3598072C17 A94R 18 GY 3598072C18 A94LC 18 GY 3598072C19 A94BK 18 GY 3598072C110 A94BL 18 GY 3598072C111 A94RD 18 GY 3598072C112 A94BB 18 GY 3598072C113 A94BJ 18 GY 3598072C114 A94RC 18 GY 3598072C115 A94BE 18 GY 3598072C116 A94BC 18 GY 3598072C117 A94BA 18 GY 3598072C118 A94BD 18 GY 3598072C1

230 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1350), (1360), P. 84

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 084- - INITIAL RELEASE. A 77636F

3 2 1

CONNECTOR 3596928C1

ABS - 6 ECU CONNECTOR 3(1360)

4

10

3

7 9

6

8

1

25

15 14 13

CONNECTOR 3530407C1

ATC SWITCH(1350)

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 PLUG - - 3532129C1 -2 A94-GBE 18 GY 3532119C1 3532128C13 A94BE 18 GY 3532119C1 3532128C14 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 PLUG - - 3532129C1 -7 PLUG - - 3532129C1 -8 A94-GTC 18 LTGN 3532119C1 3532128C19 A11-GVB 18 WH 3532119C1 3532128C110 A62TC 18 DKBL 3532119C1 3532128C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 - - - -2 - - - -3 A94SK 18 GY 3598072C14 - - - -5 A94SJ 18 GY 3598072C16 - - - -7 - - - -8 A94SS 18 GY 3598072C19 - - - -10 - - - -11 - - - -12 - - - -13 - - - -14 - - - -15 - - - -

UENR1839© July 2011 Caterpillar. All rights reserved.

231

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1361), (1365), (1366), P. 85

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 085- - INITIAL RELEASE. A 77636F

ABS PRIMARY AIR TRANSDUCER(1365)

CONNECTOR 1678137C1

ABS SECONDARY AIR TRANSDUCER(1366)

12 11 10

C

CONNECTOR 1678137C1

A

B

CB

A

& MUTUALLY EXCLUSIVE

ABS - 6 ECU CONNECTOR 4(1361)

CONNECTOR 3596927C1

3 2 1

CAV CIRCUIT GAUGE COLOR TERMINALA R94SZ2 18 DKBL 1651943C1B R94SV2 18 WH 1651943C1C R94SE 18 BN 1651943C1

CAV CIRCUIT GAUGE COLOR TERMINALA R94SZ1 18 YL 1651943C1B R94SV1 18 LTGN 1651943C1C R94SF 18 OR 1651943C1

CAV CIRCUIT GAUGE COLOR TERMINAL1& A94SZD 18 GY 3598072C11& A94SZ 18 GY 3598072C12 A94SE 18 GY 3598072C13 A94SH 18 GY 3598072C1

4& A94SVD 18 GY 3598072C14& A94SV 18 GY 3598072C15 A94SF 18 GY 3598072C16 A94SL 18 GY 3598072C17 A94SDA 18 GY 3598072C18 A94SCA 18 GY 3598072C19 A94SM 18 GY 3598072C110 A94SBA 18 GY 3598072C111 A94SAA 18 GY 3598072C112 A94SN 18 GY 3598072C1

232 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1368F), (1369), (1386), P. 86

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 086- - INITIAL RELEASE. A 77636F

C

CB

CONNECTOR 3601838C1BODY LOCK 3601839C1

ESP SPLICE PACK (1369)

CONNECTOR 3544066C1

DIAGNOSTIC DATA LINK(1386)

A

B

AJ

ED

HG

C KD

L

EF

H

A

G

B

J

TRAILER MODULATOR VALVE(1368F)

M

F

CONNECTOR 1686834C1BODY LOCK 1664408C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R94SM 16 BK 2033819C1 1652325C1B R94SN 16 RD 2033819C1 1652325C1C R94SL 16 BN 2033819C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINALA A94SAA 18 GY 3534164C1B A94SAB 18 GY 3534164C1C A94SA 20 GY 3535484C1D A94SCA 18 GY 3534164C1E A94SCB 18 GY 3534164C1F A94SC 20 GY 3535484C1G A94SBA 18 GY 3534164C1H A94SBB 18 GY 3534164C1J A94SB 20 GY 3535484C1K A94SDA 18 GY 3534164C1L A94SDB 18 GY 3534164C1M A94SD 20 GY 3535484C1

CAV CIRCUIT GAUGE COLOR TERMINALA A11-GR 14 WH 1659750C1B A97DL 14 VT 1659750C1C A5D(+) 18 YL 1651968C1D A5D(-) 18 LTGN 1651968C1E - - - -F A98A(+) 16 BK 1651968C1G A98C(-) 16 BK 1651968C1H - - - -J - - - -

UENR1839© July 2011 Caterpillar. All rights reserved.

233

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1402), (1403), (1404M), P. 87

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 087- - INITIAL RELEASE. A 77636F

3

7

2

CONNECTOR 3530407C1

9

MARKER INTERUPT SWITCH(1404M)

(LOCATED IN INSTRUMENT PANEL)

4

10

1

5

8

6

INHIBIT REGEN SWITCH(1403)

(LOCATED IN INSTRUMENT PANEL)

7

6

2

3

4

9

10

1

5

8

PARKED REGEN SWITCH(1402)

(LOCATED IN INSTRUMENT PANEL)

CONNECTOR 3530407C1

4

10

3

7 9

6

8

1

25

CONNECTOR 3530407C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 A95-GC 16 WH 3532125C1 3509903C12 A95E 18 TN 3532119C1 3532128C13 A95BA 18 TN 3532119C1 3532128C14 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 PLUG - - 3532129C1 -7 PLUG - - 3532129C1 -8 A62-GMS 18 DKBL 3532119C1 3532128C19 A95FA 18 TN 3532119C1 3532128C110 A62PR 18 DKBL 3532119C1 3532128C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 A58P 18 BN 3532119C1 3532128C12 A58E 18 BN 3532119C1 3532128C13 PLUG - - 3532129C1 -4 PLUG - - 3532129C1 -5 PLUG - - 3532129C1 -6 PLUG - - 3532129C1 -7 PLUG - - 3532129C1 -8 A62-GML 16 DKBL 3532125C1 3509903C19 PLUG - - 3532129C1 -10 A62ML 18 DKBL 3532119C1 3532128C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 A95IR 18 TN 3532119C1 3532128C12 PLUG - - 3532129C1 -3 PLUG - - 3532129C1 -4 PLUG - - 3532129C1 -5 A95N 18 TN 3532119C1 3532128C16 PLUG - - 3532129C1 -7 PLUG - - 3532129C1 -8 PLUG - - 3532129C1 -9 A11-GUF 18 WH 3532119C1 3532128C110 A62MSP 18 DKBL 3532119C1 3532128C1

234 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1406), (1407), (1408M), P. 88

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 088- - INITIAL RELEASE. A 77636F

2

6

CONNECTOR 3586750C1BODY LOCK 3553460C1

MSM2(1407)

(LOCATED IN INSTRUMENT PANEL)

CONNECTOR 3530407C1

HAZARD LIGHT SWITCH(1408M)

(LOCATED IN INSTRUMENT PANEL)

12 1

12

6

1

7

4

10

3

7 9

8

1

6

5

CONNECTOR 3553404C1BODY LOCK 3553460C1

MSM1(1406)

(LOCATED IN INSTRUMENT PANEL)

7CAV CIRCUIT GAUGE COLOR TERMINAL1 PLUG - - 3527276C12 A95N 18 TN 3518963C13 A95E 18 TN 3555249C14 PLUG - - 3527276C15 A5M(+) 18 YL 3555249C16 A5M(-) 18 GN 3555249C17 A95A 18 TN 3518963C18 A95-GA 16 WH 3518963C19 PLUG - - 3527276C110 PLUG - - 3527276C111 PLUG - - 3527276C112 PLUG - - 3527276C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 PLUG - - 3527276C12 PLUG - - 3527276C13 PLUG - - 3527276C14 A95FA 18 TN 3518963C15 A95IR 18 TN 3518963C16 PLUG - - 3527276C17 PLUG - - 3527276C18 PLUG - - 3527276C19 PLUG - - 3527276C110 PLUG - - 3527276C111 PLUG - - 3527276C112 PLUG - - 3527276C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 PLUG - - 3532129C1 -2 A60HA 16 OR 3532125C1 3509903C13 A60L 16 OR 3532125C1 3509903C14 PLUG - - 3532129C1 -5 A60HB 16 OR 3532125C1 3509903C16 A60R 16 OR 3532125C1 3509903C17 PLUG - - 3532129C1 -8 A62-GHZ 18 DKBL 3532119C1 3532128C19 A11-GUD 18 WH 3532119C1 3532128C110 A62HZ 18 DKBL 3532119C1 3532128C1

UENR1839© July 2011 Caterpillar. All rights reserved.

235

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1409M), (1450), (1451), (1452M), (1461M), P. 89

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 089- - INITIAL RELEASE. A 77636F

CONNECTOR 3539777C1BODY LOCK 3539784C1

BEACON LIGHT LEFT(1451)

CONNECTOR 0587568C91

BEACON LIGHT RIGHT(1450)

B

CONNECTOR 0587568C91

B

CONNECTOR 0587568C91

B

CONNECTOR 0587568C91

REMOTE A/C CONDENSER(1461M)

2 1

B

A

A

A

HAZARD SWITCH DIODE(1409M)

A

T - CASE COOLING FAN(1452M)

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA A60-GA 18 WH 0587576C1 1652325C1B A60A 18 OR 0587576C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K23C 18 TN 0587576C1 1652325C1B K23AC 18 TN 0587576C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R13TC1 16 PK 0587575C1 1652325C1B R11-GTC 16 WH 0587575C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 A60LA 16 OR 1651969C12 A60L 16 OR 1651969C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA A60-GB 18 WH 0587576C1 1652325C1B A60B 18 OR 0587576C1 1652325C1

236 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1701), P. 90

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 090- - INITIAL RELEASE. A 77636F

51

CHASSIS FRONT END CONNECTOR(1701)

13

32

2612

50

45

39

33

127

64

65

44

3876

CONNECTOR 3595623C1

CAV CIRCUIT GAUGE COLOR TERMINAL21 A94BJ 18 GY 2003343C122 A94BK 18 GY 2003343C123 A94BA 18 GY 2003343C124 A94BB 18 GY 2003343C125 A94BC 18 GY 2003343C126 - - - -27 A36A 18 TN 2003343C128 A28 18 TN 2003343C129 - - - -30 - - - -31 A39B 16 GY 3574285C132 A94SZD 18 GY 2003343C133 A94SL 18 GY 2003343C134 A95A 16 TN 3574285C135 A94SM 18 GY 2003343C136 A94SE 18 GY 2003343C137 A94SF 18 GY 2003343C138 A94SN 18 GY 2003343C139 A94SVD 18 GY 2003343C140 A39A 18 GY 2003343C141 - - - -42 A56BC 16 OR 3574285C143 A32A 18 TN 2003343C144 A32 18 TN 2003343C145 A49AA 18 GY 2003343C146 - - - -47 - - f -48 - - - -49 A94SJ 18 GY 2003343C150 A49 18 GY 2003343C151 - - - -52 A13TC 16 PK 3574285C153 A11-GT 16 WH 3574285C154 A94SAB 18 GY 2003343C155 A94SCB 18 GY 2003343C156 A94SBB 18 GY 2003343C157 A94SDB 18 GY 2003343C158 - - - -59 - - - -60 A94SZC 18 GY 2003343C161 A94SVC 18 GY 2003343C162 A94SH 18 GY 2003343C163 A57BB 16 OR 3574285C164 A57BC 16 OR 3574288C165 - - - -66 - - - -67 - - - -68 A65 18 OR 3574289C169 A94SK 18 GY 3574289C170 - - - -71 A68BB 14 BN 3574288C172 A70BB 14 RD 3574288C173 A71BB 16 LTBL 3574288C174 A54BB 14 BN 3574288C175 A12BB 14 LTBL 3574288C176 - - - -

CAV CIRCUIT GAUGE COLOR TERMINAL1 A71A 16 OR 3574288C12 A56RC 16 OR 3574288C13 A57RC 16 OR 3574288C14 A68 16 BN 3574288C15 A56T 12 OR 3574287C16 A57T 12 OR 3574287C17 A54T 12 BN 3574287C18 A68T 16 BN 3574288C19 A70T 10 OR 3574287C1

10 A94T 12 GY 3574287C111 - - - -12 A56BB 16 OR 3574288C113 A9B 18 GY 3574289C114 A94BM 18 GY 2003343C115 A94BN 18 GY 2003343C116 A94BE 18 GY 2003343C117 A94BD 18 GY 2003343C118 A94BH 16 GY 3574285C119 A94BF 18 GY 2003343C120 A94BL 18 GY 2003343C1

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1701F), P. 91

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 091- - INITIAL RELEASE. A 77636F

26

38

7650

51

CONNECTOR 3595622C1

CONNECTOR TO DASH HARNESS(1701F)

12

65

27

391

13

64

* W/ BACK OF CAB BODY BUILDER WIRING# W/ END OF FRAME BODY BUILDER WIRING& MUTUALLY EXCLUSIVE

CAV CIRCUIT GAUGE COLOR TERMINAL24 R94BB 16 GY 3549417C125 R94BC 16 GY 3549417C126 PLUG - - 3598921C1

27& R36A 18 TN 3549418C127& R28 18 TN 3549418C128 PLUG - - 3598921C129 PLUG - - 3598921C130 PLUG - - 3598921C131 R39B 16 GY 3549417C132 R94SZD 18 GY 3549418C133 R94SL 16 BN 3549417C134 PLUG - - 3598921C135 R94SM 16 BK 3549417C136 R94SE 18 BN 3549418C137 R94SF 18 OR 3549418C138 R94SN 16 RD 3549417C139 R94SVD 18 GY 3549418C140 R39A 18 GY 3549418C141 R92A 18 TN 3549418C142 R56BC 16 YL 3549417C143 R32A 18 TN 3549418C144 R32 18 TN 3549418C145 R49A 18 GY 3549418C146 PLUG - - 3598921C147 R59EB 18 GY 3549418C148 PLUG - - 3598921C149 R94SJ 18 GY 3549418C150 R49 18 GY 3549418C151 PLUG - - 3598921C152 R13TC1 16 PK 3549417C153 R11-GTC 16 WH 3549417C154 R94SAB 18 GY 3549418C155 R94SCB 18 GY 3549418C156 R94SBB 18 GY 3549418C157 R94SDB 18 GY 3549418C1

58& R59ED 18 GY 3549418C158& R59EF 18 GY 3549418C159 R59EC 18 GY 3549418C160 R94SZC 18 GY 3549418C161 R94SVC 18 GY 3549418C162 R94SH 18 GY 3549418C163 R57BB 16 LTGN 3549417C164 R57BC 16 LTGN 3549416C165 R59ED 16 GY 3549416C166 R59ED 16 GY 3549416C167 R19 16 GY 3549416C168 R65 16 OR 3549416C169 R94SK 16 GY 3549416C170 R71N 16 OR 3549416C171 R68BB 14 BN 3549416C172 R70BB 14 RD 3549416C173 R71BB 16 LTBL 3549416C174 R54BB 14 BN 3549416C175 R12BB 14 LTBL 3549416C176 PLUG - - 3598921C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 R71A 14 OR 3549416C12 R56 14 OR 3549416C13 R57 14 OR 3549416C14 R68 14 BN 3549416C15 R56T 10 YL 3549415C16 R57T 10 LTGN 3549415C17 R54T 10 BN 3549415C18 R68T 10 BN 3549415C19 R70T 10 RD 3549415C110 R94T 10 GY 3549415C111 PLUG - - 3598921C112* R56BB 16 YL 3549416C112# R56BB 14 YL 3549416C113 R9 16 GY 3549416C114 R94BM 16 GY 3549417C115 R94BN 16 GY 3549417C116 R94BE 16 GY 3549417C117 R94BD 16 GY 3549417C118 R94BH 16 GY 3549417C119 R94BF 16 GY 3549417C120 R94BL 16 GY 3549417C121 R94BJ 16 GY 3549417C122 R94BK 16 GY 3549417C123 R94BA 16 GY 3549417C1

238 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1805), (1811), (1812), (1813), P. 92

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 092- - INITIAL RELEASE. A 77636F

A

B

CONNECTOR 1678137C1

C

CONNECTOR 1678137C1

PRIAMARY AIR TRANSDUSER(1811)

SECONDARY AIR TRANSDUCER(1812)

C

CA

B

A

B

AIR APPLICATION GUAGE(1805)

CONNECTOR 1678137C1

ABD

PARK BRAKE(1813)

C

CONNECTOR 1661777C1BODY LOCK 1661873C1

& MUTUALLY EXCLUSIVE

CAV CIRCUIT GAUGE COLOR TERMINALA A9AA 18 GY 1651943C1B A6AA 18 LTGN 1651943C1C A40B 18 GY 1651943C1

CAV CIRCUIT GAUGE COLOR TERMINALA A9SA 18 LTGN 1651943C1B A6SA 18 LTGN 1651943C1C A40A 18 GY 1651943C1

CAV CIRCUIT GAUGE COLOR TERMINALA A9PA 18 LTGN 1651943C1B A6PA 18 LTGN 1651943C1C A40 18 GY 1651943C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEC& A44B 16 GY 1661875C1 1661872C1C& A44A 16 GY 1661875C1 1661872C1D A44-GA 18 LTGN 1661875C1 1661872C1

UENR1839© July 2011 Caterpillar. All rights reserved.

239

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (1814), (1815), (1874B), (2300), P. 93

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 093- - INITIAL RELEASE. A 77636F

DA

BD

A

& MUTUALLY EXCLUSIVE

CONNECTOR 3535769C1BODY LOCK 3535770C1

SPEAKER(2300)

B A

C

CONNECTOR 1661777C1BODY LOCK 1661873C1

ENGINE PARK BRAKE SWITCH(1814)

CONNECTOR 1661777C1BODY LOCK 1661873C1

CAT TRANSMISSION PARK(1815)

BC

RACOR WIF SENSOR(1874B)

(LOCATED IN INSTRUMENT PANEL CENTER)

CONNECTOR 3590390C1

21

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEC A44V 18 GY 1661875C1 1661872C1D A44EC 18 VT 1661875C1 1661872C1

CAV CIRCUIT GAUGE COLOR TERMINALA E86BDA 18 LTGN 1661261C1B E86CEA 18 LTGN 1661261C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEC& A44T 18 GY 1661875C1 3568570C1C& A44-G 18 GY 1661875C1 1661872C1D A44C 18 GY 1661875C1 1661872C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 K95W 18 TN 3561584C1 3536867C12 K95-GF 18 WH 3561584C1 3536867C1

240 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (4327), (4327L), (4327R), P. 94

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 094- - INITIAL RELEASE. A 77636F

CHASSIS INTERCONNECT(4327L)

CONNECTOR 3534764C1BODY LOCK 3534767C1

CHASSIS INTERCONNECT(4327R)

54

8

4 5

1

5

81

4

CHASSIS INTERCONNECT(4327)

CONNECTOR 3534763C1BODY LOCK 3534766C1

18

CONNECTOR 3534764C1BODY LOCK 3534767C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 M52A 14 YL 2034787C12 M11-GA 14 WH 2034787C13 M53A 14 YL 2034787C14 M56/57C 14 OR 2034787C15 M54C 14 BN 2034787C16 M64A 16 YL 1680205C17 M11-GB 16 WH 1680205C18 M64-GB 16 WH 1680205C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 M52R 14 YL 2034788C12 M11-RGA 14 WH 2034788C13 M53R 14 YL 2034788C14 M57C 14 OR 2034788C15 M54R 14 BN 2034788C16 M64R 14 YL 2034788C17 M11-RGB 14 WH 2034788C18 M64-RGB 14 WH 2034788C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 M52L 14 YL 2034788C12 M11-LGA 14 WH 2034788C13 M53L 14 YL 2034788C14 M56C 14 OR 2034788C15 M54L 14 BN 2034788C16 M64L 14 YL 2034788C17 M11-LGB 14 WH 2034788C18 M64-LGB 14 WH 2034788C1

UENR1839© July 2011 Caterpillar. All rights reserved.

241

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (4328), (4450BM), (4450M), P. 95

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 095- - INITIAL RELEASE. A 77636F

B

A

CONNECTOR 3602454C1BODY LOCK 1655705C1

PRIVATE J1939(4328)

CONNECTOR 1686834C1BODY LOCK 1664408C1

BODY BUILDER TURN / STOP(4450BM)

BODY BUILDER CONNECTION(4450M)

CONNECTOR 2039311C91BODY LOCK 2039342C1

C

C

G

BA

E

D

F

A

C

B

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R56BC 16 YL 2033819C1 1652325C1B R57BC 16 LTGN 2033819C1 1652325C1C R70BB 14 RD 2033816C1 0589391C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R68BB 14 BN 3535486C1 0589391C1B R56BB 16 YL 2039343C1 1652325C1C R57BB 16 LTGN 2039343C1 1652325C1D R54BB 14 BN 3535486C1 0589391C1E R71BB 16 LTBL 2039343C1 1652325C1F R12BB 14 LTBL 3535486C1 0589391C1G R11-GD 12 WH 2039344C1 0589390C1

CAV CIRCUIT GAUGE COLOR TERMINALA K98YL 18 YL 1680206C1B K98GN 18 GN 1680206C1C PLUG - - 0453133C1

242 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (4460BM), (4460M), (4950), P. 96

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 096- - INITIAL RELEASE. A 77636F

CONNECTOR 1686834C1BODY LOCK 1664408C1

BODY BUILDER TURN / STOP(4460M)

CONNECTOR 3678796C1

BENDIX AUTO TRACTION CONTROL (4950)

A

C

B

C

G

B

EA

D

F

BODY BUILDER CONNECTION(4460BM)

CONNECTOR 2039311C91BODY LOCK 2039342C1

2

1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R56BC 16 YL 2033819C1 1652325C1B R57BC 16 LTGN 2033819C1 1652325C1C R70BB 14 RD 2033816C1 0589391C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R68BB 14 BN 3535486C1 0589391C1B R56BB 14 YL 3535486C1 0589391C1C R57BB 16 LTGN 2039343C1 1652325C1D R54BB 14 BN 3535486C1 0589391C1E R71BB 16 LTBL 2039343C1 1652325C1F R12BB 14 LTBL 3535486C1 0589391C1G R11-GBB 12 WH 2039344C1 0589390C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 R94BN 16 GY 3679224C1 3601687C12 R94BM 16 GY 3679224C1 3601687C1

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (6018), P. 97

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 097- - INITIAL RELEASE. A 77636F

6

4 3

* W/ VARIABLE SPEED FAN# W/ 2 SPEED FAN% W/ ALLISON TRANSMISSION** W/ MANUAL XMSN ULTRASHIFT VOCATIONAL PERFORMANCE## W/ CAT CX31 TRANSMISSION W/ RETARDER& MUTUALLY EXCLUSIVE

CONNECTOR 3687798C1BODY LOCK1 3687805C1BODY LOCK2 3687806C1

2 17

5

19

58

BOSCH ECM 1(6018)

(LOCATED ON LEFT SIDE OF ENGINE)

46

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 K14G 14 RD 3687802C1 3624233C12 K92A16 14 WH 3687802C1 3624233C13 K14HA 14 RD 3687802C1 3624233C14 K92BA16 14 WH 3687802C1 3624233C15 K14KA 14 RD 3687802C1 3624233C16 K92C16 14 WH 3687802C1 3624233C17 PLUG - - 3623614C1 -8 K34-GA 18 WH 3687804C1 -9 K41-GA 18 WH 3687804C1 -

10 K95-GC 18 WH 3687804C1 -11 K99-GD 18 PL 3687804C1 -12 K95E 18 TN 3687804C1 -13 PLUG - - 3623614C1 -14 PLUG - - 3623614C1 -15 K41A 18 TN 3687804C1 -16 K95B 18 TN 3687804C1 -17 K13D 18 PK 3687804C1 -18* K23-G 18 TN 3687804C1 -18# K23-G 18 WH 3687804C1 -19 K14L 18 RD 3687804C1 -20 PLUG - - 3623614C1 -

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE21 K41-GB 18 WH 3687804C1 -22 K95-GA 18 WH 3687804C1 -23 K99-G 18 PL 3687804C1 -24 PLUG - - 3623614C1 -25 K95V 18 TN 3687804C1 -26 K95T 18 TN 3687804C1 -27 K95C 18 TN 3687804C1 -28 K95A 18 TN 3687804C1 -29 PLUG - - 3623614C1 -30 K23 18 TN 3687804C1 -31 PLUG - - 3623614C1 -32 PLUG - - 3623614C1 -33 K95VC 18 TN 3687804C1 -

34% K98YL2 20 YL 3687804C1 -34** K5S(+) 20 YL 3687804C1 -34## K5S(+) 18 YL 3687804C1 -35 K98GN 18 GN 3687804C1 -36 K99A5V 18 PL 3687804C1 -37 K34BA 18 TN 3687804C1 -38 PLUG - - 3623614C1 -39 K95VE 18 TN 3687804C1 -40 K95VIR 18 WH 3687804C1 -41 K95-GE 18 WH 3687804C1 -42 K34B 18 TN 3687804C1 -43 PLUG - - 3623614C1 -44 K41B 18 TN 3687804C1 -45 PLUG - - 3623614C1 -46 K95VB 18 TN 3687804C1 -

47& K98GN2 20 GN 3687804C1 -47& K5S(-) 20 GN 3687804C1 -47 K5S(-) 18 GN 3687804C1 -48 K98YL 18 YL 3687804C1 -49 K34BB 18 TN 3687804C1 -50 K99D5V 18 PL 3687804C1 -51 PLUG - - 3623614C1 -52 K95VA 18 TN 3687804C1 -53 K95VD 18 TN 3687804C1 -54 K41C 18 TN 3687804C1 -55 K95-GB 18 WH 3687804C1 -56 PLUG - - 3623614C1 -57 PLUG - - 3623614C1 -58 K23C 18 TN 3687804C1 -

244 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (6019), P. 98

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 098- - INITIAL RELEASE. A 77636F

58

1

6

BOSCH ECM 2(6019)

(LOCATED ON LEFT SIDE OF ENGINE)

2

3

46

5

4

* W/ REMOTE CRUISE# W/ CRUISE & N/ REMOTE CRUISE& W/ APADS & N/ FAN OVERRIDE% W/ APADS, FAN OVERRIDE** W/ AC, FAN OVRD & N/ APADS & N/ REMOTE## W/ FAN OVERRIDE & N/ AC&& W/ AC & N/ FAN OVRD & N/ APADS & N/ REMOTE COND

7 19

CONNECTOR 3687797C1BODY LOCK1 3687805C1BODY LOCK2 3687806C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE21 PLUG - - 3623614C1 -22 K97AE 18 PL 3687804C1 -23* K97CA 18 PL 3687804C1 -23# K97AA 18 PL 3687804C1 -24 PLUG - - 3623614C1 -25 PLUG - - 3623614C1 -26 PLUG - - 3623614C1 -

27& K23AC 18 TN 3687804C1 -27% K23AD 18 TN 3687804C1 -27** K23M 18 TN 3687804C1 -27## K23B 18 TN 3687804C1 -27&& K23C 18 TN 3687804C1 -28 PLUG - - 3623614C1 -29 PLUG - - 3623614C1 -30 K49E 18 YL 3687804C1 -31 PLUG - - 3623614C1 -32 PLUG - - 3623614C1 -33 K97AL 18 PL 3687804C1 -34 K95-GF 18 WH 3687804C1 -35 PLUG - - 3623614C1 -36 K97AH 18 PL 3687804C1 -37 K95W 18 TN 3687804C1 -38 PLUG - - 3623614C1 -39 K44EC 18 GY 3687804C1 -40 K24AE 18 GY 3687804C1 -41 K95-GD 18 WH 3687804C1 -42 K95R 18 TN 3687804C1 -43 K41E 18 LTGN 3687804C1 -44 PLUG - - 3623614C1 -45 PLUG - - 3623614C1 -46 PLUG - - 3623614C1 -47 PLUG - - 3623614C1 -48 PLUG - - 3623614C1 -49 K34C 18 TN 3687804C1 -50 K95S 18 TN 3687804C1 -51 PLUG - - 3623614C1 -52* K97CB 18 PL 3687804C1 -52# K97AB 18 PL 3687804C1 -53 K24AF 18 GY 3687804C1 -54 K99 18 PL 3687804C1 -55 K99D 18 PL 3687804C1 -56 PLUG - - 3623614C1 -57 PLUG - - 3623614C1 -58 PLUG - - 3623614C1 -

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 K14M 14 RD 3687802C1 3624233C12 K92D16 14 WH 3687802C1 3624233C13 PLUG - - 3623614C1 -4 PLUG - - 3623614C1 -5 PLUG - - 3623614C1 -6 PLUG - - 3623614C1 -7 K95K 18 TN 3687804C1 -8 K95D 18 TN 3687804C1 -9 PLUG - - 3623614C1 -10 PLUG - - 3623614C1 -11 PLUG - - 3623614C1 -12 PLUG - - 3623614C1 -13 PLUG - - 3623614C1 -14 PLUG - - 3623614C1 -15 PLUG - - 3623614C1 -16 K97Y 18 TN 3687804C1 -17 PLUG - - 3623614C1 -18 PLUG - - 3623614C1 -19 PLUG - - 3623614C1 -20 K95M 18 TN 3687804C1 -

UENR1839© July 2011 Caterpillar. All rights reserved.

245

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (6033), (6200), P. 99

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 099- - INITIAL RELEASE. A 77636F

CONNECTOR 1671610C1BODY LOCK 1671608C1

FREON COMPRESSOR(6200)

(LOCATED ON AC COMPRESSORFRONT SIDE OF ENGINE)

7

CONNECTOR 3803137C1BODY LOCK1 3803139C1BODY LOCK2 3803117C1

21

1

A

B

* W/ ALLISON TRANSMISSION# W/ MANUAL TRANSMISSION

* W/ APADS# N/ APADS

ENGINE SENSOR INTERFACE(6033)

(LOCATED ON LEFT SIDE OF ENGINE)

15

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 K10-GJ 16 WH 3803140C1 3803134C12 K10-GK 16 WH 3803140C1 3803134C13 K13F 18 PK 3803140C1 3803134C14 K13FA 18 PK 3803140C1 3803134C15 K41A 18 TN 3803140C1 3803134C16 K41-GA 18 WH 3803140C1 3803134C17 K41B 18 TN 3803140C1 3803134C18 K41C 18 TN 3803140C1 3803134C19 K41-GB 18 WH 3803140C1 3803134C1

10 K95H 18 TN 3803140C1 3803134C111 K95J 18 TN 3803140C1 3803134C112* K97AJ 16 PL 3803140C1 3803134C112# K47 18 GY 3803140C1 3803134C113* K97AK 16 PL 3803140C1 3803134C113# K47A 18 GY 3803140C1 3803134C114 K97Y 18 TN 3803140C1 3803134C115 K41D 18 LTGN 3803140C1 3803134C116 PLUG - - 3803138C1 -17 PLUG - - 3803138C1 -18 PLUG - - 3803138C1 -19 K21B3 18 TN 3803140C1 3803134C120 K21B2 18 TN 3803140C1 3803134C121 K21B1 18 TN 3803140C1 3803134C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K77-G 16 WH 2033819C1 1652325C1B* K77AE 14 LTGN 2033816C1 0589391C1B# K77E 14 LTGN 2033816C1 0589391C1

246 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (6260VH), (6260VL), (6260VM), (6260VN), P. 100

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 100- - INITIAL RELEASE. A 77636F

2

CONNECTOR 3689957C1

CONNECTOR 3691136C1

1

3

1

45

EXHAUST LAMBDA SENSOR(6260VN)

(LOCATED ON LEFT SIDE OF ENGINE)

HC1 INJECTOR DOSING VALVE(6260VH)

(LOCATED ON LEFT SIDE OF ENGINE)

3

CONNECTOR 3690364C1

HC1 FUEL SHUT OFF VALVE(6260VL)

(LOCATED ON LEFT SIDE OF ENGINE)

AFTERTREATMENT FUEL TEMP & PRESSURE(620VM)

(LOCATED ON LEFT SIDE OF ENGINE)

2

2

1

6

2

4

CONNECTOR 3689956C1

1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 K95K 18 TN 3689960C1 3623615C12 K95M 18 TN 3689960C1 3623615C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 K95-GE 18 WH 3689959C1 3623615C12 K95T 18 TN 3689959C1 3623615C13 K95DC 18 TN 3689959C1 3623615C14 K95V 18 TN 3689959C1 3623615C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 K95H 18 TN 3689960C1 3623615C12 K95J 18 TN 3689960C1 3623615C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 K95VA 18 TN 3693147C1 3573653C12 K95VIR 18 WH 3693147C1 3573653C13 K95VB 18 TN 3693147C1 3573653C14 K95VC 18 TN 3693147C1 3573653C15 K95VD 18 TN 3693147C1 3573653C16 K95VE 18 TN 3693147C1 3573653C1

UENR1839© July 2011 Caterpillar. All rights reserved.

247

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (6420), (6703), (6704B), P. 101

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 101- - INITIAL RELEASE. A 77636F

CONNECTOR 3522068C1BODY LOCK 1661874C1

AIR RESTRICTION GUAGE(6703)

CONNECTOR 3551896C1BODY LOCK 3551897C1

GROUND SPLICE(6704B)

AB

* W/ TRANSMISSION OIL TEMP, ALLISON# W/ TRANSMISSION OIL TEMP

VARIABLE SPEED FAN(6420)

(LOCATED ON LEFT SIDE OF ENGINE)

CONNECTOR 3579124C1BODY LOCK 3579126C1

F

B

A

C

D

E

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R28-G 18 WH 1661875C1 1661872C1B R28 18 TN 1661875C1 1661872C1

CAV CIRCUIT GUAGE COLOR TERMINAL1 K23-G 18 TN 3518963C12 K23A1 18 TN 3518963C13 K23 18 TN 3518963C14 K23B1 18 TN 3518963C15 K23C 18 TN 3518963C16 PLUG - - 3527276C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K10-GB 10 WH 1687847C1 0589390C1B* K31-G 16 WH 2033819C1 1652325C1B# K31-G 16 TN 2033819C1 1652325C1C K77-G 16 WH 2033819C1 1652325C1D PLUG - - 0587579C1 -E K30-GB 16 TN 2033819C1 1652325C1F PLUG - - 0587579C1 -

248 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (6706), (6707), (6720), P. 102

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 102- - INITIAL RELEASE. A 77636F

CONNECTOR 3543729C1BODY LOCK 3543731C1

CONNECTOR 3538635C1BODY LOCK 3538636C1

A

F

D

A

B

J

G

K

D

A

ECM 5V SPLICE(6706)

(LOCATED ON LEFT SIDE OF ENGINE)

CONNECTOR 3543729C1BODY LOCK 3543731C1

ECM 0V SPLICE(6707)

(LOCATED ON LEFT SIDE OF ENGINE)

HORIZONTAL AFTERTRETMENT(6720)

(LOCATED ON LEFT SIDE OF ENGINE)

E

B

C

E

D

F

HB

FE

C

C

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K95A 18 TN 1661875C1 3568570C1B K95-GA 18 WH 1661875C1 3568570C1C K95B 18 TN 1661875C1 3568570C1D K95-GB 18 WH 1661875C1 3568570C1E K95C 18 TN 1661875C1 3568570C1F K95-GC 18 WH 1661875C1 3568570C1G K95-GD 18 WH 1661875C1 3568570C1H K95E 18 TN 1661875C1 3568570C1J K95DA 18 TN 1661875C1 3568570C1K PLUG - - 2025431C1 -

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K34-GA 18 WH 3535303C1 3535424C1B PLUG - - 3535425C1 -C PLUG - - 3535425C1 -D K23B1 18 TN 3535303C1 3535424C1E PLUG - - 3535425C1 -F PLUG - - 3535425C1 -

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K34BA 18 TN 3535303C1 3535424C1B K34BB 18 TN 3535303C1 3535424C1C PLUG - - 3535425C1 -D K23A1 18 TN 3535303C1 3535424C1E PLUG - - 3535425C1 -F PLUG - - 3535425C1 -

UENR1839© July 2011 Caterpillar. All rights reserved.

249

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (6720), (6720A), (6720B), P. 103

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 103- - INITIAL RELEASE. A 77636F

F

H

D

A

FDC

A

H

CONNECTOR 3690369C1

J

6

E

CONNECTOR 3538635C1BODY LOCK 3538636C1

CONNECTOR 3538634C1BODY LOCK 3538636C1

10

BC

G

KB J

HORIZONTAL AFTERTREATMENT / VERTICAL AFETRTREATMENT(6720)

(LOCATED ON LEFT SIDE OF ENGINE)

G

K

VERTICAL AFTERTREATMENT(6720A)

(LOCATED ON LEFT SIDE OF ENGINE)

ENGINE HORIZONTAL AFTERTREATMENT(6720B)

(LOCATED ON LEFT SIDE OF ENGINE)

1

5

E

CAV CIRCUIT GAUGE COLOR TERMINAL1 K95A 18 TN 3613771C12 K95-GA 18 WH 3613771C13 K95B 18 TN 3613771C14 K95-GB 18 WH 3613771C15 K95C 18 TN 3613771C16 K95-GC 18 WH 3613771C17 K95-GD 18 WH 3613771C18 K95E 18 TN 3613771C19 K95DA 18 TN 3613771C110 PLUG - - 3573076C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K95A 18 TN 1667742C1 1661872C1B K95-GA 18 WH 1667742C1 1661872C1C K95B 18 TN 1667742C1 1661872C1D K95-GB 18 WH 1667742C1 1661872C1E K95C 18 TN 1667742C1 1661872C1F K95-GC 18 WH 1667742C1 1661872C1G K95-GD 18 WH 1667742C1 1661872C1H K95E 18 TN 1667742C1 1661872C1J K95DA 18 TN 1667742C1 1661872C1K PLUG - - 2025431C1 -

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K95A 18 TN 1661875C1 3568570C1B K95-GA 18 WH 1661875C1 3568570C1C K95B 18 TN 1661875C1 3568570C1D K95-GB 18 WH 1661875C1 3568570C1E K95C 18 TN 1661875C1 3568570C1F K95-GC 18 WH 1661875C1 3568570C1G K95-GD 18 WH 1661875C1 3568570C1H K95E 18 TN 1661875C1 3568570C1J K95DA 18 TN 1661875C1 3568570C1K PLUG - - 2025431C1 -

250 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (6730), (7105), P. 104

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 104- - INITIAL RELEASE. A 77636F

7

1

32

37

9

17

4

18

36

38

3

34

CONNECTOR 3689958C1

3

22

1

EATON GEN3 TCM(7105)

(LOCATED ON LEFT SIDE OF XMSN)

2

13

CONNECTOR 3599542C1

23

12

28

35

25

29

31

10

6

26

HC1 FUEL PRESSURE1 & TEMP(6730)

(LOCATED ON LEFT SIDE OF ENGINE)

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 K95DB 18 TN 3689959C1 3623615C12 K95R 18 TN 3689959C1 3623615C13 K95S 18 TN 3689959C1 3623615C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 PLUG - - 3527276C12 K5V(-) 18 GN 3518963C13 K5V(+) 18 YL 3518963C14 K17-GA 18 WH 3518963C15 PLUG - - 3527276C16 PLUG - - 3527276C17 PLUG - - 3527276C18 PLUG - - 3527276C19 PLUG - - 3527276C110 K98+ 18 BK 3518963C111 K98- 18 BK 3518963C112 PLUG - - 3527276C113 PLUG - - 3527276C114 PLUG - - 3527276C115 PLUG - - 3527276C116 PLUG - - 3527276C117 PLUG - - 3527276C118 PLUG - - 3527276C119 PLUG - - 3527276C120 K92EG 18 TN 3518963C121 K92EH 18 TN 3518963C122 K92EJ 18 TN 3518963C123 PLUG - - 3527276C124 PLUG - - 3527276C125 K92J 18 TN 3518963C126 K17EM 18 PK 3518963C127 K98GN6 18 GN 3518963C128 K98YL6 18 YL 3518963C129 PLUG - - 3527276C130 PLUG - - 3527276C131 K92ER 18 TN 3518963C132 K17EA 18 PK 3518963C133 PLUG - - 3527276C134 PLUG - - 3527276C135 K92ET 12 TN 3557534C136 K10-GE 12 WH 3557534C137 PLUG - - 3527276C138 K14AT 10 RD 3841700C1

UENR1839© July 2011 Caterpillar. All rights reserved.

251

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (7110), (7500W), (7600), P. 105

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 105- - INITIAL RELEASE. A 77636F

B

A

CONNECTOR 3662425C1BODY LOCK 3662518C1

CONNECTOR 1661778C1BODY LOCK 1661874C1

REVERSE LIGHT(7500W)

(LOCATED ON TOP OF TRANSMISSION)

CONNECTOR 1667741C1BODY LOCK 1667771C1

VEHICLE SPEED SENSOR(7600)

(LOCATED ON TOP OF TRANSMISSION)

B

B

C

A

J1939(7110)

(LOCATED ON TRANSMISSION)

A CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K71 16 OR 1661875C1 1661872C1B K71A 16 OR 1661875C1 1661872C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K5TB(+) 18 YL 1661875C1 3568570C1B PLUG - - 2025431C1 -C K5TB(-) 18 GN 1661875C1 3568570C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA K47 18 GY 3554322C1 3554318C1B K47A 18 GY 3554322C1 3554318C1

252 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (7905), (8000), P. 106

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 106- - INITIAL RELEASE. A 77636F

CONNECTOR 3554089C1

G

JH

F

B

K

DC

2

E

A

13

ULTRASHIFT SELECTOR(7905)

HOOD INTERCONNECT(8000)

CONNECTOR 1661375C2BODY LOCK 1661376C1

C

D

A

E

B

CAV CIRCUIT GAUGE COLOR TERMINALA1 PLUG - - 3554386C1A2 PLUG - - 3554386C1A3 PLUG - - 3554386C1B1 PLUG - - 3554386C1B2 PLUG - - 3554386C1B3 K62 18 DKBL 3565443C1C1 K92B 18 TN 3565443C1C2 PLUG - - 3554386C1C3 PLUG - - 3554386C1D1 PLUG - - 3554386C1D2 PLUG - - 3554386C1D3 PLUG - - 3554386C1E1 PLUG - - 3554386C1E2 PLUG - - 3554386C1E3 PLUG - - 3554386C1F1 K5A(+) 18 YL 3565443C1F2 K5A(-) 18 GN 3565443C1F3 PLUG - - 3554386C1G1 PLUG - - 3554386C1G2 PLUG - - 3554386C1G3 PLUG - - 3554386C1H1 PLUG - - 3554386C1H2 PLUG - - 3554386C1H3 PLUG - - 3554386C1J1 PLUG - - 3554386C1J2 PLUG - - 3554386C1J3 K92A 18 TN 3565443C1K1 PLUG - - 3554386C1K2 PLUG - - 3554386C1K3 PLUG - - 3554386C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA M52A 14 YL 2033816C1 0589391C1B M11-GA 14 WH 2033816C1 0589391C1C M53A 14 YL 2033816C1 0589391C1D M56/57A 16 OR 2033819C1 1652325C1E M54A 16 BN 2033819C1 1652325C1

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (8165), (8200), (8410), P. 107

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAMEDRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 107- - INITIAL RELEASE. A 77636F

SIDE TURN / MARKER(8165)

1

CONNECTOR 3543888C1BODY LOCK 1661874C1

BUMPER FOG LIGHT(8200)

CONNECTOR 3664985C1

FLAME START RELAY(8410)

(LOCATED ON LEFT SIDE OF ENGINE)

3

BA

1

2

5

96

7 8

CONNECTOR 3522187C1

2

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 M56/57B 16 OR 3522190C1 3522194C12 M54B 16 BN 3522190C1 3522194C13 M11-GB 16 WH 3522190C1 3522194C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA M64A 16 YL 1667742C1 1661872C1B M64-GB 16 WH 1667742C1 1661872C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 K21A1 12 TN 3664983C1 3664987C12 K21A2 12 TN 3664983C1 3664987C13 K14A1 8 RD 3664982C1 3664986C14 PLUG - - 3664989C1 -5 PLUG - - 3664989C1 -6 K21B1 18 TN 3664984C1 3664988C17 K21B2 18 TN 3664984C1 3664988C18 K21B3 18 TN 3664984C1 3664988C19 PLUG - - 3664989C1 -

CATERPILLAR, INC

254 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (8802), (8805), (8806), P. 108

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 108- - INITIAL RELEASE. A 77636F

CONNECTOR 3551896C1BODY LOCK 3551897C1

AIR SOLENOID GROUND SPLICE(8805)

CONNECTOR 3551896C1BODY LOCK 3551897C1

CHASSIS GROUND SPLICE(8806)

F

A

C

E

B

F

A

C

D

E

B

F

A

C

D

B

* W/ STANDARD AXLE TEMP# W/ REAR AND RR AXLE TEMP

ISOLATED GROUND SPLICE PACK(8802)

D

CONNECTOR 3551896C1BODY LOCK 3551897C1

E

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R11-GC 14 WH 2033816C1 0589391C1B PLUG - - 0587579C1 -C R59-GB 18 WH 2033819C1 1652325C1D R59-GD 18 WH 2033819C1 1652325C1E R59-GE 18 WH 2033819C1 1652325C1F R59-GA 18 WH 2033819C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R59-G 12 WH 2033816C1 0589390C1B PLUG - - 0587579C1 -C PLUG - - 0587579C1 -D PLUG - - 0587579C1 -E PLUG - - 0587579C1 -F R19-G 16 WH 2033819C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R9 16 GY 2033819C1 1652325C1B R9A 18 GY 2033819C1 1652325C1C R9B 18 GY 2033819C1 1652325C1D PLUG - - 0587579C1 -E PLUG - - 0587579C1 -F* R9F 18 GY 2033819C1 1652325C1F# R9H 18 GY 2033819C1 1652325C1

UENR1839© July 2011 Caterpillar. All rights reserved.

255

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (8807), (8809), (9001), P. 109

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 109- - INITIAL RELEASE. A 77636F

CONNECTOR 3551896C1BODY LOCK 3551897C1

B

CONNECTOR 3551896C1BODY LOCK 3551897C1

CHASSIS GROUND SPLICE PACK(8809)

CONNECTOR 1671610C1BODY LOCK 1671608C1

LEFT SIDE HEATED DRAIN VALVE(9001)

B

C

D

A

F

D

A

F

E

B

A

* W/ BACK OF CAB BODY BUILDER WIRING# W/ END OF FRAME BODY BUILDER WIRING

CHASSIS GROUND SPLICE PACK(8807)

E

C

CONNECTOR 3551896C1BODY LOCK 3551897C1

B

CONNECTOR 3551896C1BODY LOCK 3551897C1

CHASSIS GROUND SPLICE PACK(8809)

CONNECTOR 1671610C1BODY LOCK 1671608C1

LEFT SIDE HEATED DRAIN VALVE(9001)

B

C

D

A

F

D

A

F

E

B

A

* W/ BACK OF CAB BODY BUILDER WIRING# W/ END OF FRAME BODY BUILDER WIRING

CHASSIS GROUND SPLICE PACK(8807)

E

C

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R11-GA 12 GY 2033816C1 0589390C1B R10-G 12 WH 2033816C1 0589391C1C R39-GB 16 WH 2033819C1 1652325C1D R39-GF 18 WH 2033819C1 1652325C1E R11-GC 14 WH 2033816C1 0589391C1F* R11-GD 12 WH 2033816C1 0589390C1F# R11-GBB 12 WH 2033816C1 0589390C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R11-GB 12 GY 2033816C1 0589390C1B PLUG - - 0587579C1 -C R28-G 18 WH 2033819C1 1652325C1D R65-G 16 WH 2033819C1 1652325C1E R49-GA 18 WH 2033819C1 1652325C1F R59-G 12 WH 2033816C1 0589390C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R39A 18 GY 2033819C1 1652325C1B R39-GF 18 WH 2033819C1 1652325C1

256 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (9001A), (9002), (9003), (9003B), P. 110

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 110- - INITIAL RELEASE. A 77636F

B

A

B

A

A

B

LEFT SIDE HALDEX DRAIN VALVE(9001A)

LEFT SIDE BOC HTD DRAIN VALVE(9003)

CONNECTOR 0587568C91

A

CONNECTOR 1671610C1BODY LOCK 1671608C1

RIGHT SIDE HTD DRAIN VALVE(9002)

CONNECTOR 1671610C1BODY LOCK 1671608C1

LEFT SIDE BOC HEATED DRAIN VALVE(9003B)

CONNECTOR 1671610C1BODY LOCK 1671608C1

B

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R39A 18 GY 2033819C1 1652325C1B R39-GF 18 WH 2033819C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R39A 18 GY 2033819C1 1652325C1B R39-GF 18 WH 2033819C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R39A 18 GY 0587576C1 1652325C1B R39-GF 18 WH 0587576C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R39A 18 GY 2033819C1 1652325C1B R39-GF 18 WH 2033819C1 1652325C1

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (9100), (9101), (9109A), (9254), P. 111

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 111- - INITIAL RELEASE. A 77636F

CONNECTOR 1661778C1BODY LOCK 1661874C1

RIGHT FUEL SENDER(9101)

CONNECTOR 0587567C91

FUEL HEATER(9109A)

(LOCATED ON LEFT FRONT RAIL BY FRONT AXLE)

ENGINE ECM FEED FUSE CONNECTOR(9254)

CONNECTOR 3512967C1

AB

AB

B

A

B

A

LEFT FUEL SENDER(9100)

CONNECTOR 1661778C1BODY LOCK 1661874C1

CAV CIRCUIT GAUGE COLOR TERMINALA A14Z 10 RD 3679001C1B A14A 10 RD 3679001C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R36A 18 TN 1661875C1 1661872C1B R9B 18 GY 1661875C1 1661872C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R19 16 GY 0587577C1 1652325C1B R19-G 16 WH 0587577C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R36A 18 TN 1661875C1 1661872C1B R9A 18 GY 1661875C1 1661872C1

258 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (9255), (9256), (9260), (9261), P. 112

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 112- - INITIAL RELEASE. A 77636F

POWER FEED CONNECTOR 1(9260)

CONNECTOR 3512967C1

XMSN ECU FEED FUSE CONNECTOR(9256)

CONNECTOR 1667732C1BODY LOCK 1667734C1

B

A

A

B

B

C

XMSN ECU FEED FUSE CONNECTOR(9255)

* W/ POSITIVE INTERCONNECT# W/ NEGATIVE INTERCONNECT

CONNECTOR 3512967C1

A

A

CONNECTOR 1667733C1BODY LOCK 1667734C1

ECM POSITIVE FEED(9261)

B

C

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA* A14X 10 RD 3679001C1 -A# A14-GF 4 WH 0475961C1 2644004R1B A14C 10 RD 3679001C1 -

CAV CIRCUIT GAUGE COLOR TERMINALA A14Y 10 RD 3679001C1B A14B 10 RD 3679001C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA A14A 10 RD 2025425C1 1667735C1B A14B 10 RD 2025425C1 1667735C1& A14C 10 RD 2025425C1 1667735C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA A14A 10 RD 1667737C1 1667735C1B A14B 10 RD 1667737C1 1667735C1C A14C 10 RD 1667737C1 1667735C1

UENR1839© July 2011 Caterpillar. All rights reserved.

259

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (9260), (9260A), (9261), P. 113

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 113- - INITIAL RELEASE. A 77636F

CONNECTOR 1667733C1BODY LOCK 1667734C1

GROUND CONNECTOR(9261)

C

A

B

C

A

B

& MUTUALLY EXCLUSIVE

PWR FEED CONN 2(9260A)

CONNECTOR 1667732C1BODY LOCK 1667734C1

C

ECM NEGATIVE CONNECTOR(9260)

B

CONNECTOR 1667732C1BODY LOCK 1667734C1

A

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA A14A 10 RD 2025425C1 1667735C1B A14B 10 RD 2025425C1 1667735C1C A14C 10 RD 2025425C1 1667735C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA& A11-GA 10 WH 1667737C1 1667735C1A& A11-GN 10 WH 1667737C1 1667735C1B A11-GB 10 WH 1667737C1 1667735C1C A11-GC 10 WH 1667737C1 1667735C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA A14-GA 10 WH 2025425C1 1667735C1B A14-GB 10 WH 2025425C1 1667735C1C A14-GC 10 WH 2025425C1 1667735C1

260 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (9261A), (9303A), P. 114

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAMEDRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 114- - INITIAL RELEASE. A 77636F

C

D

CONNECTOR 1667733C1BODY LOCK 1667734C1CONNECTOR 1667733C1BODY LOCK 1667734C1

CONNECTOR 1661375C2BODY LOCK 1661376C1

C

STOP TAIL AND TURN(9303A)

B

E

B

A

& MUTUALLY EXCLUSIVE

GND FEED CONN 2(9261A)

A

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA& A11-GA 10 WH 1667737C1 1667735C1A& A11-GN 10 WH 1667737C1 1667735C1B A11-GB 10 WH 1667737C1 1667735C1C A11-GC 10 WH 1667737C1 1667735C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R71A 14 OR 2033816C1 0589391C1B R56 14 OR 2033816C1 0589391C1C R57 14 OR 2033816C1 0589391C1D R68 14 BN 2033816C1 0589391C1E R10-G 12 WH 2033816C1 0589391C1

CATERPILLAR, INC

UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (9501), (9502), (9503), (9504), P. 115

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 115- - INITIAL RELEASE. A 77636F

LEFT MODULATOR(9502)

(LOCATED AT BETWEEN FRONT WHEELS)

CONNECTOR 1684261C1BODY LOCK 1684263C1

RIGHT WHEEL SPEED SENSOR(9503)

(LOCATED AT FRONT RIGHT SENSOR)

C

A

B

2 1

CONNECTOR 1686834C1BODY LOCK 1664408C1

A

B

2

RIGHT MODULATER(9504)

(LOCATED AT BETWEEN FRONT WHEELS)

LEFT WHEEL SPEED SENSOR(9501)

(LOCATED AT FRONT LEFT WHEEL)

CONNECTOR 1686834C1BODY LOCK 1664408C1

C

CONNECTOR 1684261C1BODY LOCK 1684263C1

1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R94BA 16 GY 2033819C1 1652325C1B R94BB 16 GY 2033819C1 1652325C1C R94BC 16 GY 2033819C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 R94BE 16 GY 1680205C12 R94BD 16 GY 1680205C1

CAV CIRCUIT GAUGE COLOR TERMINAL1 R94BH 16 GY 1680205C12 R94BF 16 GY 1680205C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R94BJ 16 GY 2033819C1 1652325C1B R94BK 16 GY 2033819C1 1652325C1C R94BL 16 GY 2033819C1 1652325C1

262 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (9510A), (9510B), (9512C), (9514F), P. 116

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 116- - INITIAL RELEASE. A 77636F

CONNECTOR 1678137C1

CONNECTOR 1678137C1

RSP TRANSDUCER(9510A)

CONNECTOR 3678796C1

SS ABS ADV ATR VALVE(9512C)

SS / MD RSM YAW SENSOR(9514F)

CONNECTOR 3601685C1

BC

CB

A

1 4

3

A

2

RR RSP TRANSDUCER(9510B)

2

1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 R94SJ 18 GY 3601686C1 3601687C12 R94SK 16 GY 3679224C1 3601687C1

CAV CIRCUIT GAUGE COLOR TERMINALA R94SZC 18 GY 1651943C1B R94SVC 18 GY 1651943C1C R94SH 18 GY 1651943C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 R94SAB 18 GY 3601686C1 3601687C12 R94SCB 18 GY 3601686C1 3601687C13 R94SBB 18 GY 3601686C1 3601687C14 R94SDB 18 GY 3601686C1 3601687C1

CAV CIRCUIT GAUGE COLOR TERMINALA R94SZC 18 GY 1651943C1B R94SVC 18 GY 1651943C1C R94SH 18 GY 1651943C1

UENR1839© July 2011 Caterpillar. All rights reserved.

263

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (9718A), (9719), (9720), P. 117

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAMEDRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR , INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 117- - INITIAL RELEASE. A 77636F

CONNECTOR 3543888C1BODY LOCK 1661874C1

B

CONNECTOR 1661778C1BODY LOCK 1661874C1

WORK LIGHT(9719)

AB

CONNECTOR 3543888C1BODY LOCK 1661874C1

WORK LIGHT(9720)

B

A

A

WORK LIGHT(9718A)

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R65 16 OR 1661875C1 1661872C1B R65-G 16 WH 1661875C1 1661872C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA J65 16 BK 1667742C1 1661872C1B J11-GK 16 WH 1667742C1 1661872C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA J65 16 BK 1667742C1 1661872C1B J11-GK 16 WH 1667742C1 1661872C1

CATERPILLAR, INC

264 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (9761F), (9763), P. 118

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 118- - INITIAL RELEASE. A 77636F

CONNECTOR 3522252C1BODY LOCK 3522253C1

LIFT AXLE(9761F)

& MUTUALLY EXCLUSIVE

CONNECTOR 1661778C1BODY LOCK 1661874C1

SECOND PUSHER AXLE(9763)

& MUTUALLY EXCLUSIVE

BA

C

A

D

E

B

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R59EC 18 GY 1661875C1 1661872C1A R59EC 18 GY 1661875C1 1661872C1

B& R59-GA 18 WH 1661875C1 1661872C1B& R59-GB 18 WH 1661875C1 1661872C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA& R59ED 18 GY 1667742C1 1661872C1A& R59EC 18 GY 1667742C1 1661872C1A& R59EF 18 GY 1667742C1 1661872C1B& R59ED 18 GY 1667742C1 1661872C1B& R59EF 18 GY 1667742C1 1661872C1C R59ED 18 GY 1667742C1 1661872C1C R59ED 18 GY 1667742C1 1661872C1D PLUG - - 2025431C1 -E R71N 16 OR 1667742C1 1661872C1

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (9764), (9765), (9779F), P. 119

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 119- - INITIAL RELEASE. A 77636F

CONNECTOR 1661778C1BODY LOCK 1661874C1

CONNECTOR 1661778C1BODY LOCK 1661874C1

FOURTH PUSHER AXLE(9765)

CONNECTOR 1667732C1BODY LOCK 1667734C1

GREEN ABS TRAILER SOCKET 2(9779F)

BA

AB

A

C

B

& MUTUALLY EXCLUSIVE

& MUTUALLY EXCLUSIVE

THIRD PUSHER AXLE(9764)

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA& R54E 10 BN 2025425C1 1667735C1A& R54T 10 BN 2025425C1 1667735C1B& R56E 10 YL 2025425C1 1667735C1B& R56T 10 YL 2025425C1 1667735C1C& R57E 10 LTGN 2025425C1 1667735C1C& R57T 10 LTGN 2025425C1 1667735C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA& R59ED 18 GY 1661875C1 1661872C1A& R59ED 16 GY 1661875C1 1661872C1B R59-GD 18 WH 1661875C1 1661872C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R59EB 18 GY 1661875C1 1661872C1B R59-GE 18 WH 1661875C1 1661872C1

266 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (9779FB), (9780M), (9780MB), P. 120

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 120- - INITIAL RELEASE. A 77636F

C

CONNECTOR 1667733C1BODY LOCK 1667734C1

A

B

TRAILER SOCKET 1(9780MB)

A

C

CONNECTOR 1667733C1BODY LOCK 1667734C1

GREEN ABS TRAILER SOCKET 1(9780M)

B

A

C

CONNECTOR 1667733C1BODY LOCK 1667734C1

GREEN ABS TRAILER SOCKET 1(9780M)

B

C

A

B

TRAILER SOCKET 2(9779FB)

& MUTUALLY EXCLUSIVE

& MUTUALLY EXCLUSIVE

& MUTUALLY EXCLUSIVE

CONNECTOR 1667732C1 BODY LOCK 1667734C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA& R54F 10 BN 2025425C1 1667735C1A& R54T 10 BN 2025425C1 1667735C1B& R56F 10 YL 2025425C1 1667735C1B& R56T 10 YL 2025425C1 1667735C1C& R57F 10 LTGN 2025425C1 1667735C1C& R57T 10 LTGN 2025425C1 1667735C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA& R70E 10 RD 1667737C1 1667735C1A& R70T 10 RD 1667737C1 1667735C1B& R68E 10 BN 1667737C1 1667735C1B& R68T 10 BN 1667737C1 1667735C1C& R94E 10 GY 1667737C1 1667735C1C& R94T 10 GY 1667737C1 1667735C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA& R70F 10 RD 1667737C1 1667735C1A& R70T 10 RD 1667737C1 1667735C1B& R68F 10 BN 1667737C1 1667735C1B& R68T 10 BN 1667737C1 1667735C1C& R94F 10 GY 1667737C1 1667735C1C7 R94T 10 GY 1667737C1 1667735C1

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267

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (9811), (9812), (9814), P. 121

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 121- - INITIAL RELEASE. A 77636F

CONNECTOR 3536864C1

RR AXLE TEMP SENDER(9812)

CONNECTOR 0587567C91

FORWARD REAR AXLE DIFFERENTIAL LOCK WARNING LIGHT(9814)

(LOCATED ON FORNT OF FORWARD REAR AXLE)

1 2

2

B

* W/ REAR AND RR AXLE TEMP# W/ STANDARD AXLE TEMP

FORWARD REAR AXLE TEMP SENDER(9811)

CONNECTOR 3536864C1

1

A CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R49 18 GY 0587578C1 1652325C1B R49-GC 18 WH 0587578C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 R32 18 TN 3536865C1 3536868C12* R9HA 18 GY 3536865C1 3536868C12# R9F 18 GY 3536865C1 3536868C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVE1 R32A 18 TN 3536865C1 3536868C12 R9HB 18 GY 3536865C1 3536868C1

268 UENR1839© July 2011 Caterpillar. All rights reserved.

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CT660/CT680 CIRCUIT DIAGRAMS

CONNECTOR COMPOSITES (9815), (9900A), (9924), P. 122

DATECHK

ELECTRICAL CIRCUIT DIAGRAM

NAME

CATERPILLAR, INC

DRAWNREV REFERENCECHANGE

THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT TOBE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF CATERPILLAR, INC.

RELEASE NO. SHEETPART NO.DATE

CHAPTER 13CONNECTOR BODY COMPOSITE MATING VIEW SHOWN

CIRCUIT DIAGRAM, C-660, C680300371

11MAY1177636F AE08067064 122- - INITIAL RELEASE. A 77636F

A

& MUTUALLY EXCLUSIVE

B

LEFT SIDE AIR DRYER(9900A)

RR AXLE DIFFERENTIAL LOCK WARNING LIGHT(9815)

(LOCATED ON FORNT OF REAR REAR AXLE)

* W/ FR AND RR AXLE DIFFERENTIAL LOCK# W/ STANDARD DIFFERENTIAL LOCK

CONNECTOR 1673790C1BODY LOCK 1673791C1

B

CONNECTOR 1661778C1BODY LOCK 1661874C1

TAG AXLE(9924)

A

A

CONNECTOR 0587567C91

B

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R39B 16 GY 2033819C1 1652325C1B R39-GB 16 WH 2033819C1 1652325C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA& R59ED 18 GY 1661875C1 1661872C1A& R59EF 18 GY 1661875C1 1661872C1A& R59ED 16 GY 1661875C1 1661872C1B& R59-GC 18 WH 1661875C1 1661872C1B& R59-GD 18 WH 1661875C1 1661872C1B& R59-GA 18 WH 1661875C1 1661872C1

CAV CIRCUIT GAUGE COLOR TERMINAL SEAL/SLEEVEA R49A 18 GY 0587578C1 1652325C1B* R49-GB 18 WH 0587578C1 1652325C1B# R49-GA 18 WH 0587578C1 1652325C1

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269

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CT660/CT680 CIRCUIT DIAGRAMS

270 UENR1839© July 2011 Caterpillar. All rights reserved.

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