2
© 1997 Caterpillar All Rights Reserved Printed in U.S.A. RENR1427-01 August 1997 14H Electrical System 7WJ664-UP Motor Grader Component Location Component Schematic Location Machine Location Component Schematic Location Machine Location Alarm - Action B-8 C Resistor - Defrost Motor A-11 E Alarm - Backup F-15 1 Resistor - Defrost Motor E-4 E Alternator D-14 2 Resistor - Panel Lamp Dimmer E-9 B Batteries - 12 Volt C-14 5,6 Sender - Articulation C-12 23 Breaker - Alternator (60A) D-13 8 Sender - Engine Coolant Temp. A-14 24 Breaker - Converter (25A) F-11 13 Sender - Fuel Level A-13 25 Breaker - Headlamp D-10 B Solenoid - A/C Clutch A-13 22 Breaker - Lightbar Low Beam D-10 B Solenoid - Blade Cushion E-2 30 Buss Bar C-14 5 Solenoid - Centershift B-3 29 Control - Secondary Steering E-13 9 Solenoid - Centershift C-3 11 Converter - 24V to 1 2V F-8 12 Solenoid - Differential Unlock E-14 4 Converter - 24V to 1 2V F-10 12 Solenoid - Engine Shutdown D-13 22 Converter - 24V to 1 2V F-12 13 Solenoid - Forward Horn F-3 10 Flasher E-9 B Solenoid - Park Brake B-11 10 Fuses B-5 C Solenoid - Start Aid A-13 25 Fuses D-9 B Suppressor - Arc (A/C Clutch) A-13 22 Fuses E-10 B Suppressor - Arc (Diff. Unlock) E-14 3 Gauge - System Air Press. L/S E-5 A Switch - A/C Refrigerant A-13 22 Gauge - System Air Press. A/S E-5 A Switch - Air Dryer F-14 31 Gauge Cluster F-5 A Switch - Back-Up Alarm F-14 4 Ground - Cab D-5 17 Switch - Beacon B-5 C Ground - Engine C-13 22 Switch - Beacon B-10 C Ground - Frame (Front) D-6 39 Switch - Blade Cushion B-8 C Ground - Frame (Rear) C-13 8 Switch - Blower (A/C) B-10 C Ground - Frame To Cab (Front) D-6 17 Switch - Blower (Heater) A-10 C Ground - Localized Stud F-12 D Switch - Brake Air A-2 11 Ground - Strap C-12 23 Switch - Centershift Pin B-9 C Lamp - Diff. Unlock E-5 A Switch - Defroster (Front) A-5 C Lamp - High Beam Indicator D-6 A Switch - Defroster (Rear) B-5 C Lamp - Master Action E-5 A Switch - Differential Unlock D-9 B Lamp - Turn Indicator (Left) E-5 A Switch - Disconnect C-14 6 Lamp - Turn Indicator (Right) E-4 A Switch - Engine Coolant Temp. (Monitor) B-14 24 Meter - Service E-10 B Switch - Engine Coolant Temp. (Start Aid) A-14 24 Monitor - Electronic Monitoring System (EMS) E-6 A Switch - Engine Oil Press. C-13 32 Motor-Blower A-12 15 Switch - Flood Lamps D-8 B Motor - Blower (A/C) B-10 14 Switch - Fuel Press. B-13 24 Motor - Blower (Defrost) E-4 15 Switch - Head/Tail Lamp E-8 B Motor - Blower (Heater) A-10 E Switch - Headlight Dimmer D-9 B Motor - Secondary Steering F-13 20 Switch - Horn E-9 B Motor - Starter C-13 19 Switch - Hyd. Oil Temp. B-11 33 Motor - Washer (Front Lower) F-6 16 Switch - Key Start B-9 C Motor - Washer (Front Upper) F-6 16 Switch - Light Bar Low Beam E-8 B Motor - Washer (Rear) F-6 16 Switch - Neutral/Start E-14 4 Motor - Wiper (Front Lower) C-4 17 Switch - Panel Lamp Dimmer E-9 B Motor - Wiper (Front Upper) D-4 17 Switch - Parking Brake Press. B-11 34 Motor - Wiper (Rear) A-11 18 Switch - Primary Steering F-10 35 Motors - Condenser B-11 21 Switch - Secondary Steering Test B-8 C Power Port - (i2V) F-12 41 Switch - Start Aid EMS Test E-8 B Receptical - Aux. Start C-14 3 Switch - Stop Lamp A-2 11 Relay - Condenser C-10 21 Switch - Tail Lamp D-8 B Relay - Main D-14 8 Switch - Thermostat(A/C) B-11 E Relay - Secondary Steering F-13 22 Switch - Turn Signal E-9 B Relay - Start D-13 8 Switch - Wiper (Front Lower) A-4 C Resistor - Blower Switch (A/C) B-11 15 Switch - Wiper (Front Upper) B-4 C Resistor - Blower Switch (Heater) A-11 E Switch - Wiper (Rear) A-4 C Machine Locations are repeated for components located close together. A = Operator’s compartment (Dash). B = Operator’s compartment (Steering console). C=Operator's compartment (Right side console) D = Operator’s compartment (Headliner). E = Operator’s compartment (Under seat). Wire Description Wire Number Wire Color Description Wire Number Wire Color Description Power Circuits Accessory Circuits 101 RD Bat (+) 500 BR Wiper - Front (Park) 102 RD Hd Lmp 501 GN Wiper - Front (Low) 103 RD Aux Ckt 502 OR Wiper - Front (HI) 105 RD Key Sw 503 BR Wiper.- Rear (Park) 108 RD Aux Ckt 504 YL Wiper-Rear(Low) 109 RD Alt Output (+) Term. 505 BU Wiper - Rear (HI) 112 PU Main Power Rly Output 506 PU Washer - Front 113 OR Opr Mon Panel B+ Switched 507 WH Washer - Rear 114 RD Warning Horn (Forward) 508 PU Radio Speaker - Left 115 RD Aux Ckt 509 WH Radio Speaker - Left (Commom) 116 BR Aux Ckt 511 BR Radio Speaker-Right 118 GY Aux Ckt 512 GN Radio Speaker - Right (Common) 119 PK Aux Ckt 513 OR A/C Compressor/Refrigerant Pressure SW 121 RD Back Alarm To Lamp 515 GY Blower Motor (HI) 122 BU Aux Ckt 516 GN Blower Motor (Medium) 123 WH Aux Ckt 517 BU Blower Motor (Low) 124 GN A/C 521 YL A/C SW To Refrigerant SW 129 BU Aux Ckt 522 WH A/C Clutch To Thermostat SW 130 RD Aux Ckt 537 GN Turn Signal SW To Flasfler 134 RD Aux Ckt 556 WH Differential Lock 135 BU Aux Ckt 570 BU Blade Cushion Sol 136 GN Secondary Ster 575 YL Wiper-Aux (Park) 141 PK Aux Ckt 576 PK Wiper-Aux (Low) 144 RD Aux Ckt 577 PU Wiper-Aux (HI) 147 RD Aux Ckt 578 BU Washer-Aux 149 PU Aux Ckt 584 YL Wiper SW Jumper 151 GN Aux Ckt 592 BU DC/DC Converter Power Output 152 BU Aux Ckt 593 GN Condensor Fan Relay To Motors 158 BR Aux Ckt 597 PU A/C HI Press. Coutout SW To Low Press. SW 165 YL Aux Ckt A503 PK Front Defroster Fan (Low) 169 PK Aux Ckt A504 GN Rear Defroster Fan (Low) 173 RD Aux Ckt A506 OR Front Defroster Fan (HI) 176 OR Aux Ckt A507 YL Rear Defroster Fan (HI) Ground Circuits A513 PK DC/DC Converter Memory Output 200 BK Main Chassis Lighting Circuits 201 BK Operator Monitor Return 600 BR Dash Lamp Basic Basic Machine Circuits 601 GY Dash Lamp Hi 301 BU Starter No. 1 Sol 603 PK Rotary Beacon 304 WH Starter Relay No. 1 Output 604 OR Stop Lamp 306 GN Starter Relay Coil To Neut Start SW Or Key SW 605 YL Turn Lamp - Left 307 OR Key Start SW To Neut Start SW Or Sensor Module 606 GY Turn Lamp - Right 308 YL Main Power Relay Coil 608 GN Flood Lamp - Rear 310 PU Start Aid SW To Start Aid Sol 609 YL Flood Lamp - Side 311 WH Start Aid Sol To Temp SW 611 PU I-lead Lamp Hi 321 BR Bckp Alarm Lamp Travel Alarm 614 PU Park/Tail/Dash/Lamp 322 GY Warning Horn (Forward) 619 GN Head Lamp Lo 326 RD Key Start SW C” Term. 629 PK Aux Head LampControl Circuits Monitoring Circuits Control Circuits 403 GN Alternator (R) Term. 727 GN Secondary Ster Motor Relay 404 YL Opr Mon Hyd Oil Temp 728 BU Secondary Ster Cont SW 405 GY Opr Mon Oil Press. (Low Setting) E773 YL Center Shift Sol - Push 406 Pu Opt Mon Coolant Temp F775 BU Centershift Solenoid 408 WH Opr Mon System Air Press. 409 OR Opr Mon Neut 410 WH Opr Mon Action Alarm 411 PK Opr Mon Master 413 BR Opr Mon Fuel Press. 415 GN Opr Mon Test SW 417 GY Primary Ster SW 419 YL Opr Mon Parking Brake 441 OR Eng Coolant Temp Gauge 447 PK Fuel Level Gauge 450 YL Tach Sender (+) 462 YL Secondary Ster Motor Indicator 488 WH Air SW To Air SW Jumper 498 WH Diff. Lock Indicator A429 YL Articulation Indicator Off Machine Switch Specification Part No. Function Actuate Deactuate Contact Position 3E-2028 Engine Coolant Temperature 107 ±3 °C (225 ± 5 °F) 93 °C (199 °F) NormallyClosed 3E-2033 Park Brake Air Pressure Brake Air Pressure 640 kPa (92 psi) 530 ± 40 kPa (77 ± 6 psi) NormallyOpen 3E-6425 Coolant Temperature (Start Aid) 38 ± 3 °C (100 ± 5 °F) 27 °C MIN (81 °F MIN) NormallyCksed 8T-8640 Primary Steering Pressure 1206 kPa (MAX) (175 psi MAX) 700 ± 103 kPa (100 ± 15 psi) A-B, Normally Open A-C, Normally Closed 9X-0378 Engine Oil (Pressure) 62 kPa (MAX) (9 psi MAX) 38 ± 20 kPa (5.5 ± 3.0 psi) NormallyOpen 107-0616 Fuel (Pressure - EMS) 93 ± 21 kPa (13.5 ± 3.0 psi) 69 ± 21 kPa (10 ± 3 psi) NormallyClosed 114-5334 A/C Refrigerant (Pressure) 275 to 1750 kPa ¹ (40 to 255 psi) NormallyOpen ² 125-9352 Stop Lamp (Pressure) 83 kPa (MAX) (12 psi MAX) 48 ± 20 kPa (MIN) (7 ± 3 psi MIN) NormallyOpen 131-4135 Hydraulic Oil Temperature 102 ± 3°C (216 ± 5 °F) 90°C MIN (194 °F MIN) NormallyClosed ¹ Contact position at the contacts of the harness connector. ² A hysteresis band exists: with increasing pressure the closed condition can be maintained up to 2800 kPa (405 psi), with decreasing pressure the closed condition can be maintained down to 170 kPa (25 psi). Resistor, Sender and Solenoid Specifications Part No. Component Description Resistance (Ohms)¹ 3E-1906 Solenoid - A/C Clutch 17.6 ± 0.6 3E-5383 Sender - Articulation Position 6.0 ± 3 (MIN) 92±5 (MAX) 3E-7985 Solenoid - Engine Shutdown Start (Latch) Coil Stop (Unlatch) Coil 1.55 ± 0.15 10.3 ± 1.03 3T-3123 Resistor - Panel Lamp Dimmer Switch 25.0 ± .3 7N-8532 Sender - Coolant Temperature 560 to 716 @ 54 °C (130 °F) 72 to 82 @ 110°C (230°F) 7T-4003 Resistor - Defroster/Blower Motor 10.0± 0.5 7T-6517 Solenoids - Blade Cushion 20.1 ± 1.0 7T-9074 Solenoid - Forward Ho Park Brake 55.2 ± 5.8 9G-1950 Resistor - A/C Blower Motor Heater Blower Motor Overall 2.0 ± .1; Tap 1.0 ± .05 9G-4365 Solenoid - Start Aid 6 9X-9482 Solenoid - Centershift 68 140-7724 Sender - Fuel Level 92 to 98 (EMPTY) 7 to 12 (FULL) 144-6295 Solenoid - Differential Unlock 33.6 ± 1.0 ¹ At room temperature unless otherwise noted. Related Electrical Service Manuals Form Number Alternator: 6N-9294 Consist No. 9G-4574 SENR4130 Alternator (100-5047)(Atch): Consist No. 100-5045 Consist No. 100-5046 SENR4130 SENR2082 Electronic Monitoring System SENR2945 Starter Motor: 106-8555 Consist No. 6V-5023 Consist No. 6V-5207 Consist No. 6V-5226 5ENR3536 SENR3581 SENR4975 Title Connector Location Connector Number Schematic Location Machine Location CONN 1 C-15 4 CONN 2 F-14 36 CONN 3 F-14 7 CONN 4 B-14 8 CONN 5 B-14 11 CONN 6 A-14 27 CONN 7 A-14 26 CONN 8 A-14 8 CONN 9 B-13 37 CONN 10 B-13 37 CONN 11 B-13 37 CONN 12 D-13 22 CONN 13 D-13 37 CONN 14 D-13 37 CONN 15 F-12 37 CONN 16 B-12 10 CONN 17a A-10 C CONN 17b B-11 C CONN 17c A-11 C CONN 18 F-11 28 CONN 19 F-11 28 CONN 20 D-10 B CONN 21 D-10 B CONN 22 D-10 39 CONN 23 D-10 39 CONN 24 D-10 39 CONN 25 C-10 21 CONN 26a C-10 33 CONN 26b C-10 33 CONN 27a B-10 C CONN 27b A-9 C CONN 28 B-9 38 CONN 29 B-9 38 CONN 30 E-9 39 CONN 31 A-9 39 CONN 32 D-8 39 CONN 33 D-8 39 CONN 34 B-8 38 CONN 35a Secondary Steering F-7 20 CONN 35b F-7 20 CONN 36 A-6 40 CONN 37 C-6 17 CONN 38 C-6 17 CONN 39 C-6 17 CONN 40 C-6 17 CONN 41 E-6 17 CONN 42 E-6 17 CONN 43 E-6 17 CONN 44 C-5 40 CONN 45 C-5 40 CONN 46 C-5 40 CONN 47 F-3 17 CONN 48 F-3 17 CONN 49 E-3 42 CONN 50 E-3 42 CONN 51 B-3 43 The connectors shown in this chart are for harness to harness connectors. Connectors that join a harness to a component are generally located at or near the component. See the Component Location Chart. A 3 4 5 6 8 9 10 11 12 14 15 13 16 B C D E 1 2 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 37 35 33 34 36 38 7 39 41 42 43 A 3 4 5 6 8 9 10 11 12 14 15 13 16 B C D E 1 2 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 37 35 33 34 36 38 7 39 40 41 42 43 Machine Harness Connector And Component Locations E07077 40 T Normally open switch that will close with an increase of a specific condition (temp-press-etc.). Normally open switch that is closed due to an applied condition, and will open again with a specific decrease in that condition. Normally closed switch that will open with an increase of a specific condition. Normally closed switch that is open due to an applied condition, and will close again with a specific decrease in that condition. The circle indicates that the component has screw terminals and a wire can be disconnected from it. No circle indicates that the wire cannot be disconnected from the component. This indicates that the component has a wire connected to it that is connected to ground. This indicates that the component does not have a wire connected to ground. It is grounded by being fastened to the machine. Electrical Schematic Symbols And Definitions Pressure Symbol Temperature Symbol Level Symbol Flow Symbol A AA 2 A AA 1 2 325-PK-14 C A 325-PK-14 200-BK-14 T FUSE - A component in an electrical circuit that will open the circuit if too much current flows through it. REED SWITCH - A switch whose contacts are controlled by a magnet. A magnet closes the contacts of a normally open reed switch; it opens the contacts of a normally closed reed switch. SENDER - A component that is used with a temperature or pressure gauge. The sender measures the temperature or pressure. Its resistance changes to give an indication to the gauge of the temperature or pressure. RELAY (Magnetic Switch) - A relay is an electrical component that is activated by electricity. It has a coil that makes an electromagnet when current flows through it. The electromagnet can open or close the switch part of the relay. CIRCUIT BREAKER (C/B) - A component in an electrical circuit that will open the circuit if too much current flows through it. This does not destroy the circuit breaker and it can be reset to become part of the circuit again. SOLENOID - A solenoid is an electrical component that is activated by electricity. It has a coil that makes an electromagnet when current flows through it. The electromagnet can open or close a valve or move a piece of metal that can do work. Harness And Wire Electrical Schematic Symbols Socket Pin Pin or Socket Number Wire, Cable, or Harness Assembly Identification Single Wire Connector Circuit Number Identification Wire Gauge Wire Color Plug Receptacle 9X-1123 Component Part Number Electrical Schematic Symbols And Definitions 1 1 1 2 2 Typical representation of a Sure-Seal connector. The plugand receptacle contain both pins and sockets. Typical representation of a Deutsch connector. The plug contains all sockets and the receptacle contains all pins. MAGNETIC LATCH SOLENOID - A magnetic latch solenoid is an electrical component that is activated by electricity and held latch by a permanent magnet. It has two coils (latch and unlatch) that make electromagnet when current flows through them. It also has an internal switch that places the latch coil circuit open at the time the coil latches.

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Page 1: 14H-RENR1427_01

©1997 CaterpillarAll Rights Reserved

Printed in U.S.A.

RENR1427-01August 1997

14H

Electrical System

7WJ664-UP

Motor Grader

Component LocationComponent Schematic

LocationMachine Location Component Schematic

LocationMachine Location

Alarm - Action B-8 C Resistor - Defrost Motor A-11 EAlarm - Backup F-15 1 Resistor - Defrost Motor E-4 EAlternator D-14 2 Resistor - Panel Lamp Dimmer E-9 BBatteries - 12 Volt C-14 5,6 Sender - Articulation C-12 23Breaker - Alternator (60A) D-13 8 Sender - Engine Coolant Temp. A-14 24Breaker - Converter (25A) F-11 13 Sender - Fuel Level A-13 25Breaker - Headlamp D-10 B Solenoid - A/C Clutch A-13 22Breaker - Lightbar Low Beam D-10 B Solenoid - Blade Cushion E-2 30Buss Bar C-14 5 Solenoid - Centershift B-3 29Control - Secondary Steering E-13 9 Solenoid - Centershift C-3 11Converter - 24V to 1 2V F-8 12 Solenoid - Differential Unlock E-14 4Converter - 24V to 1 2V F-10 12 Solenoid - Engine Shutdown D-13 22Converter - 24V to 1 2V F-12 13 Solenoid - Forward Horn F-3 10Flasher E-9 B Solenoid - Park Brake B-11 10Fuses B-5 C Solenoid - Start Aid A-13 25Fuses D-9 B Suppressor - Arc (A/C Clutch) A-13 22Fuses E-10 B Suppressor - Arc (Diff. Unlock) E-14 3Gauge - System Air Press. L/S E-5 A Switch - A/C Refrigerant A-13 22Gauge - System Air Press. A/S E-5 A Switch - Air Dryer F-14 31Gauge Cluster F-5 A Switch - Back-Up Alarm F-14 4Ground - Cab D-5 17 Switch - Beacon B-5 CGround - Engine C-13 22 Switch - Beacon B-10 CGround - Frame (Front) D-6 39 Switch - Blade Cushion B-8 CGround - Frame (Rear) C-13 8 Switch - Blower (A/C) B-10 CGround - Frame To Cab (Front) D-6 17 Switch - Blower (Heater) A-10 CGround - Localized Stud F-12 D Switch - Brake Air A-2 11Ground - Strap C-12 23 Switch - Centershift Pin B-9 CLamp - Diff. Unlock E-5 A Switch - Defroster (Front) A-5 CLamp - High Beam Indicator D-6 A Switch - Defroster (Rear) B-5 CLamp - Master Action E-5 A Switch - Differential Unlock D-9 BLamp - Turn Indicator (Left) E-5 A Switch - Disconnect C-14 6Lamp - Turn Indicator (Right) E-4 A Switch - Engine Coolant Temp. (Monitor) B-14 24Meter - Service E-10 B Switch - Engine Coolant Temp. (Start Aid) A-14 24Monitor - Electronic Monitoring System (EMS) E-6 A Switch - Engine Oil Press. C-13 32

Motor-Blower A-12 15 Switch - Flood Lamps D-8 BMotor - Blower (A/C) B-10 14 Switch - Fuel Press. B-13 24Motor - Blower (Defrost) E-4 15 Switch - Head/Tail Lamp E-8 BMotor - Blower (Heater) A-10 E Switch - Headlight Dimmer D-9 BMotor - Secondary Steering F-13 20 Switch - Horn E-9 BMotor - Starter C-13 19 Switch - Hyd. Oil Temp. B-11 33Motor - Washer (Front Lower) F-6 16 Switch - Key Start B-9 CMotor - Washer (Front Upper) F-6 16 Switch - Light Bar Low Beam E-8 BMotor - Washer (Rear) F-6 16 Switch - Neutral/Start E-14 4Motor - Wiper (Front Lower) C-4 17 Switch - Panel Lamp Dimmer E-9 BMotor - Wiper (Front Upper) D-4 17 Switch - Parking Brake Press. B-11 34Motor - Wiper (Rear) A-11 18 Switch - Primary Steering F-10 35Motors - Condenser B-11 21 Switch - Secondary Steering Test B-8 CPower Port - (i2V) F-12 41 Switch - Start Aid EMS Test E-8 BReceptical - Aux. Start C-14 3 Switch - Stop Lamp A-2 11Relay - Condenser C-10 21 Switch - Tail Lamp D-8 BRelay - Main D-14 8 Switch - Thermostat(A/C) B-11 ERelay - Secondary Steering F-13 22 Switch - Turn Signal E-9 BRelay - Start D-13 8 Switch - Wiper (Front Lower) A-4 CResistor - Blower Switch (A/C) B-11 15 Switch - Wiper (Front Upper) B-4 CResistor - Blower Switch (Heater) A-11 E Switch - Wiper (Rear) A-4 CMachine Locations are repeated for components located close together.A = Operator’s compartment (Dash).B = Operator’s compartment (Steering console).C=Operator's compartment (Right side console)D = Operator’s compartment (Headliner).E = Operator’s compartment (Under seat).

Wire DescriptionWire

NumberWire Color Description Wire

NumberWire Color Description

Power Circuits Accessory Circuits

101 RD Bat (+) 500 BR Wiper - Front (Park)102 RD Hd Lmp 501 GN Wiper - Front (Low)103 RD Aux Ckt 502 OR Wiper - Front (HI)105 RD Key Sw 503 BR Wiper.- Rear (Park)108 RD Aux Ckt 504 YL Wiper-Rear(Low)109 RD Alt Output (+) Term. 505 BU Wiper - Rear (HI)112 PU Main Power Rly Output 506 PU Washer - Front113 OR Opr Mon Panel B+ Switched 507 WH Washer - Rear114 RD Warning Horn (Forward) 508 PU Radio Speaker - Left115 RD Aux Ckt 509 WH Radio Speaker - Left (Commom)116 BR Aux Ckt 511 BR Radio Speaker-Right118 GY Aux Ckt 512 GN Radio Speaker - Right (Common)119 PK Aux Ckt 513 OR A/C Compressor/Refrigerant Pressure SW121 RD Back Alarm To Lamp 515 GY Blower Motor (HI)122 BU Aux Ckt 516 GN Blower Motor (Medium)123 WH Aux Ckt 517 BU Blower Motor (Low)124 GN A/C 521 YL A/C SW To Refrigerant SW129 BU Aux Ckt 522 WH A/C Clutch To Thermostat SW130 RD Aux Ckt 537 GN Turn Signal SW To Flasfler134 RD Aux Ckt 556 WH Differential Lock135 BU Aux Ckt 570 BU Blade Cushion Sol136 GN Secondary Ster 575 YL Wiper-Aux (Park)141 PK Aux Ckt 576 PK Wiper-Aux (Low)144 RD Aux Ckt 577 PU Wiper-Aux (HI)147 RD Aux Ckt 578 BU Washer-Aux149 PU Aux Ckt 584 YL Wiper SW Jumper151 GN Aux Ckt 592 BU DC/DC Converter Power Output152 BU Aux Ckt 593 GN Condensor Fan Relay To Motors158 BR Aux Ckt 597 PU A/C HI Press. Coutout SW To Low Press. SW165 YL Aux Ckt A503 PK Front Defroster Fan (Low)169 PK Aux Ckt A504 GN Rear Defroster Fan (Low)173 RD Aux Ckt A506 OR Front Defroster Fan (HI)176 OR Aux Ckt A507 YL Rear Defroster Fan (HI)

Ground Circuits A513 PK DC/DC Converter Memory Output200 BK Main Chassis Lighting Circuits201 BK Operator Monitor Return 600 BR Dash Lamp Basic

Basic Machine Circuits 601 GY Dash Lamp Hi301 BU Starter No. 1 Sol 603 PK Rotary Beacon304 WH Starter Relay No. 1 Output 604 OR Stop Lamp306 GN Starter Relay Coil To Neut Start SW Or Key SW 605 YL Turn Lamp - Left307 OR Key Start SW To Neut Start SW Or Sensor Module 606 GY Turn Lamp - Right308 YL Main Power Relay Coil 608 GN Flood Lamp - Rear310 PU Start Aid SW To Start Aid Sol 609 YL Flood Lamp - Side311 WH Start Aid Sol To Temp SW 611 PU I-lead Lamp Hi321 BR Bckp Alarm Lamp Travel Alarm 614 PU Park/Tail/Dash/Lamp322 GY Warning Horn (Forward) 619 GN Head Lamp Lo326 RD Key Start SW C” Term. 629 PK Aux Head LampControl Circuits

Monitoring Circuits Control Circuits403 GN Alternator (R) Term. 727 GN Secondary Ster Motor Relay404 YL Opr Mon Hyd Oil Temp 728 BU Secondary Ster Cont SW405 GY Opr Mon Oil Press. (Low Setting) E773 YL Center Shift Sol - Push406 Pu Opt Mon Coolant Temp F775 BU Centershift Solenoid408 WH Opr Mon System Air Press.409 OR Opr Mon Neut410 WH Opr Mon Action Alarm411 PK Opr Mon Master413 BR Opr Mon Fuel Press.415 GN Opr Mon Test SW417 GY Primary Ster SW419 YL Opr Mon Parking Brake441 OR Eng Coolant Temp Gauge447 PK Fuel Level Gauge450 YL Tach Sender (+)462 YL Secondary Ster Motor Indicator488 WH Air SW To Air SW Jumper498 WH Diff. Lock Indicator

A429 YL Articulation Indicator

Sw. Spec.

Off Machine Switch SpecificationPart No. Function Actuate Deactuate Contact Position

3E-2028 Engine Coolant Temperature 107 ±3 °C(225 ± 5 °F)

93 °C(199 °F) NormallyClosed

3E-2033 Park Brake Air Pressure Brake Air Pressure

640 kPa(92 psi)

530 ± 40 kPa(77 ± 6 psi) NormallyOpen

3E-6425 Coolant Temperature (Start Aid) 38 ± 3 °C(100 ± 5 °F)

27 °C MIN(81 °F MIN) NormallyCksed

8T-8640 Primary Steering Pressure 1206 kPa (MAX)(175 psi MAX)

700 ± 103 kPa(100 ± 15 psi)

A-B, Normally OpenA-C, Normally Closed

9X-0378 Engine Oil (Pressure) 62 kPa (MAX)(9 psi MAX)

38 ± 20 kPa(5.5 ± 3.0 psi) NormallyOpen

107-0616 Fuel (Pressure - EMS) 93 ± 21 kPa(13.5 ± 3.0 psi)

69 ± 21 kPa(10 ± 3 psi) NormallyClosed

114-5334 A/C Refrigerant (Pressure) 275 to 1750 kPa ¹(40 to 255 psi)

—— NormallyOpen ²

125-9352 Stop Lamp (Pressure) 83 kPa (MAX)(12 psi MAX)

48 ± 20 kPa (MIN)(7 ± 3 psi MIN) NormallyOpen

131-4135 Hydraulic Oil Temperature 102 ± 3°C(216 ± 5 °F)

90°C MIN(194 °F MIN) NormallyClosed

¹ Contact position at the contacts of the harness connector.² A hysteresis band exists: with increasing pressure the closed condition can be maintained up to 2800 kPa (405 psi), with decreasing pressure the closed condition can be maintained down to 170 kPa (25 psi).

Sw. Spec.

Resistor, Sender and Solenoid SpecificationsPart No. Component Description Resistance (Ohms)¹

3E-1906 Solenoid - A/C Clutch 17.6 ± 0.6

3E-5383 Sender - Articulation Position6.0 ± 3 (MIN)92±5 (MAX)

3E-7985Solenoid - Engine Shutdown Start (Latch) Coil Stop (Unlatch) Coil

1.55 ± 0.1510.3 ± 1.03

3T-3123 Resistor - Panel Lamp Dimmer Switch 25.0 ± .3

7N-8532 Sender - Coolant Temperature560 to 716 @ 54 °C (130 °F)

72 to 82 @ 110°C (230°F)

7T-4003 Resistor - Defroster/Blower Motor 10.0± 0.5

7T-6517 Solenoids - Blade Cushion 20.1 ± 1.0

7T-9074 Solenoid - Forward Horn Park Brake 55.2 ± 5.8

9G-1950 Resistor - A/C Blower Motor Heater Blower Motor

Overall 2.0 ± .1; Tap 1.0 ± .05

9G-4365 Solenoid - Start Aid 6

9X-9482 Solenoid - Centershift 68

140-7724 Sender - Fuel Level 92 to 98 (EMPTY)7 to 12 (FULL)

144-6295 Solenoid - Differential Unlock 33.6 ± 1.0

¹ At room temperature unless otherwise noted.

R,S&S Spec.

Related Electrical Service ManualsForm Number

Alternator: 6N-9294 Consist No. 9G-4574 SENR4130Alternator (100-5047)(Atch):

Consist No. 100-5045 Consist No. 100-5046

SENR4130SENR2082

Electronic Monitoring System SENR2945Starter Motor: 106-8555

Consist No. 6V-5023 Consist No. 6V-5207 Consist No. 6V-5226

5ENR3536SENR3581SENR4975

Title

Chassis Manuals

Connector LocationConnector Number Schematic

LocationMachine Location

CONN 1 C-15 4CONN 2 F-14 36CONN 3 F-14 7CONN 4 B-14 8CONN 5 B-14 11CONN 6 A-14 27CONN 7 A-14 26CONN 8 A-14 8CONN 9 B-13 37CONN 10 B-13 37CONN 11 B-13 37CONN 12 D-13 22CONN 13 D-13 37CONN 14 D-13 37CONN 15 F-12 37CONN 16 B-12 10CONN 17a A-10 CCONN 17b B-11 CCONN 17c A-11 CCONN 18 F-11 28CONN 19 F-11 28CONN 20 D-10 BCONN 21 D-10 BCONN 22 D-10 39CONN 23 D-10 39CONN 24 D-10 39CONN 25 C-10 21CONN 26a C-10 33CONN 26b C-10 33CONN 27a B-10 CCONN 27b A-9 CCONN 28 B-9 38CONN 29 B-9 38CONN 30 E-9 39CONN 31 A-9 39CONN 32 D-8 39CONN 33 D-8 39CONN 34 B-8 38CONN 35a Secondary Steering F-7 20CONN 35b F-7 20CONN 36 A-6 40CONN 37 C-6 17CONN 38 C-6 17CONN 39 C-6 17CONN 40 C-6 17CONN 41 E-6 17CONN 42 E-6 17CONN 43 E-6 17CONN 44 C-5 40CONN 45 C-5 40CONN 46 C-5 40CONN 47 F-3 17CONN 48 F-3 17CONN 49 E-3 42CONN 50 E-3 42CONN 51 B-3 43

The connectors shown in this chart are for harness to harness connectors. Connectors that join a harness to a component are generally located at or near the component. See the Component Location Chart.

322B/B L Conn. Loc. Chart

A

34

5

6

8

9

1011

1214

151316

B

C

D

E1

2

171819

20

2122

23

2425

26

2728

2930

3132

37

35

33 34

36

38

7 39

41 42

43

A

3

4

5 68

9

10

1112

1415

13

16

B

C

D

E

12

17

18

19

20

21

22

23

242526

27

28

2930

31

32 3735

33

3436

38

7

39

40

41

4243

Machine Harness Connector And Component Locations

E07077

40

T

Normally open switch that will close with an increase of a specific condition (temp-press-etc.).

Normally open switch that is closed due to an applied condition, and will open again with a specific decrease in that condition.

Normally closed switch that will open with an increase of a specific condition.

Normally closed switch that is open due to an applied condition, and will close again with a specific decrease in that condition.

The circle indicates that the component has screw terminals and a wire can be disconnected from it.

No circle indicates that the wire cannot be disconnected from the component.

This indicates that the component has a wire connected to it that is connected to ground.

This indicates that the component does not have a wire connected to ground. It is grounded by being fastened to the machine.

Electrical Schematic Symbols And Definitions

PressureSymbol

TemperatureSymbol

LevelSymbol

FlowSymbol

A AA

2

A AA1

2

325-PK-14C A

325-PK-14

200-BK-14

T

FUSE - A component in an electrical circuit that will open the circuit if too much current flows through it.

REED SWITCH - A switch whose contacts are controlled by a magnet. A magnet closes the contacts of a normally open reed switch; it opens the contacts of a normally closed reed switch.

SENDER - A component that is used with a temperature or pressure gauge. The sender measures the temperature or pressure. Its resistance changes to give an indication to the gauge of the temperature or pressure.

RELAY (Magnetic Switch) - A relay is an electrical component that is activated by electricity. It has a coil that makes an electromagnet when current flows through it. The electromagnet can open or close the switch part of the relay.

CIRCUIT BREAKER (C/B) - A component in an electrical circuit that will open the circuit if too much current flows through it. This does not destroy the circuit breaker and it can be reset to become part of the circuit again.

SOLENOID - A solenoid is an electrical component that is activated by electricity. It has a coil that makes an electromagnet when current flows through it. The electromagnet can open or close a valve or move a piece of metal that can do work.

Harness And Wire Electrical Schematic Symbols

SocketPin

Pin or Socket Number

Wire, Cable, or Harness Assembly Identification

Single Wire Connector

Circuit Number Identification

Wire Gauge

WireColor

Plug Receptacle

9X-1123

Component Part Number

Electrical Schematic Symbols And Definitions

11 12 2

Typical representation of a Sure-Seal connector. The plugand receptacle contain both pins and sockets.

Typical representation of a Deutsch connector. The plug contains all sockets and the receptacle contains all pins.

MAGNETIC LATCH SOLENOID - A magnetic latch solenoid is an electrical component that is activated by electricity and held latch by a permanent magnet. It has two coils (latch and unlatch)that make electromagnet when current flows through them. It also has an internal switch that places the latch coil circuit open at the time the coil latches.

Page 2: 14H-RENR1427_01

L

2 1

2 1

L69

200-BK608-GN 608-GN

200-BK608-GN

A/C REFRIGERANT SW114-5334NOTE A

L

H

PK-18

200-BK

BK-18BU-18PU-18OR-18GN-18

STEER SW ALTERNATOR

WH-18YL-18

200-

BK

GROUND

129684537

200-BK

+ BATTERYKEY SW

GN-18GY-18

200-BK

MOTOR RELAYOPR PANEL

SECONDARYSTEERINGMOTOR117-3915

SECONDARYSTEERINGRELAY3E-0154

200-BK

SECONDARYSTEERING3E-5184

462-YL727-GN

101-RD-4

G

RD-0 RD-0 MOTOR

403-GN

201-BK405-GY

BKBK

FUELSW107-0616

406-PU201-BK

200-BK

ST

109-RD-10

200-BK

°T

608-GN

BKBK

122-BU-14200-BK

12

BKBK

AIR DRYER8W-3087

°T

12

200-

BK

606-

GY

614-

PU

604-

OR

BACKUPALARM123-6449

326-RD

200-BK-10301-BU-10

306-GN

RD-00

RD-00

112-PU-4

304-WH-10

101-RD-4

200-BK-4

200-BK

136-GN308-YL 200-BK200-BK728-BU 403-GN

ALTERNATOR

9S-0174 STD9S-4693 ATCH

80A

F77

5-B

U

201-

BK

408-

WH

2

BK

-6

4 1

122-BU-14200-BK

200-BK

5 3

2

21

403-GN

135-BU

200-BK

U

129-BUCIGAR LIGHTER24V CIGARLIGHTER9W-0335200-BK

112-PUU

2 1 3 4 5 6

112-PU

10A

2 1

101-RD-14

508-

PU

509-

WH

REARFRAME

ENGINEOIL SW9X-0378

311-WH310-PU

12

COOLANT SW3E-6425

BK-18BK-18

START AIDSOLENOID9G-4365

FUEL LEVELSENDER140-7724

513-OR597-PU

GN-18BK-18

447-PK200-BK

°T

G

12

COOLANT TEMPSWITCH3E-2028

COOLANT TEMPSENDER7N-8532

12

132

AIR CONDITIONERCLUTCH SOL3E-1906

GNGN

147-RD

STARTER106-8555

109-RD-4

200-BK606-GY614-PU604-OR

SPARE

J

147-RD165-YL

165-YL

498-WH147-RD

498-WHJ1

604-OR614-PU606-GY200-BK200-BK

727-GN417-GY

12

301-BU-10304-WH-10

BUBK

GNDSTART

STOP

2 1

AAA

2

135-BU+12V RADIOGROUND (RADIO)

GROUND+ BATTERY

200-BK

+24V IN+12V MEMORY

147-RD

1

200-BK

24 TO 12 VOLTCONVERTER119-1733

3 2

5 6

1 4

408-WHF775-BU

441-OR

604-OR614-PU200-BK

RDWHBK

REAR FLOODLAMP9X-6775

TURN LAMP7X-6066

STOP/TAILLAMP130-3452

RDBK

606-GY200-BK

DISCONNECT SW7N-0718

ALTERNATOR100-5047 50A ATCH 3E-7577 75A ATCH 6N-9294 35A STD

MAINRELAY101-7740

STARTRELAY3E-7279

60A

109-RD-4

RD-00

BK

-00

ENGINE

200-

BK

-4B

K-0

0

BK-00

12V BATTERY9X-9721

G S

MTR BAT

MOTOR

ALT+R

NEGPOS

NEG POS

132

605-YL200-BK

RDBK

STOP/TAILLAMP130-3452

TURN LAMP7X-6066

RDWHBK

604-OR614-PU200-BK

608-GN200-BK

REAR FLOODLAMP9X-6775

TS

3 2

112-

PU

112-PU

1

2 1

2 1

2 1

1 4

409-OR

3 2

4 1

6 5

2 3

2 4 6 7 9 5 8

200-

BK

200-

BK

200-BK200-BK

1

200-BK570-BU

200-BK

W

W

2

4

1

9 8

9

522-WH597-PU

4

308-

YL

8 7 6 5 4

7

3 2 1

6

1 2

3

2

592-

BU

592-

BU

592-

BU

2

2

1 6

5

5 4 2 3

1

4

2

2

1

605-YL

3

6

2

1

1

1

1

165-YL

165-

YL

165-

YL

601-GY

J

J

J

J

J

JJ

J

J

J

J

J

J

J

J

JJ

J

J

J

J

J

J

J

JJ

J

JJ

1

J

J J

JJ

J JJJ

3

JJJJJJ

1 2

6

619-

GN

619-

GN

3 4

200-

BK

200-

BK

614-

PU

614-

PU

614-

PU

5

4

2

4 3 2

609-YL

1

2 1

2 1 2 1

601-GY

601-GY

200-BK 200-BK

200-BK

200-BK

601-GY

601-GY200-BK200-BK

200-BK

165-YL3

2

J

JJ

J

10

200-

BK

K

K

L

FFF

FFF

200-

BK

200-

BK

FFF

FFF

FFF

FFF

AAA

AAA

L66

597-PU

522-WH

311-WH

597-PU

J

441-OR

409-OR

406-PU

101-RD-14

L35

L65

J

L16L13

405-GY

200-BK

10

3

326-RD

L30

2

L35

L65L12L16

201-

BK

L13

201-BK

AAA

AAA

AAA

AAAAAA

1

9

311-WH

AAA

AAA

AAA

AAA

AAAAAA

7

8

522-WH

5

SHIFT CONSOLE

200-

BK

200-BK

5

200-BK200-BK200-BK

200-

BK

2

601-GY

601-GY

601-

GY

112-

PU

-10

1

101-

RD

-4

601-

GY

135-BU

165-

YL

K

169-

PK

2

619-GN611-PU606-GY605-YL605-YL

606-GY611-PU

1

619-GN121-RD604-OR

601-GY

200-

BK

135-

BU

K

201-BK

Y

310-

PU

311-

WH

409-OR

409-OR

306-

GN

24 TO 12 VOLTCONVERTER119-1733

EE

EE

EE EE

308-YL

Y

113-OR113-OR

2 1

A51

3-P

K10

2-R

D

10A

603-

PK

200-BK

200-

BK

200-

BK

BEACON128-6983

BEACON SW9X-9639

601-

GY

200-

BK

OP

EN

RO

PS

BE

AC

ON

AT

CH

101-

RD

BE

AC

ON

FU

SE

Y

PP

200-BK

12V POWERPORT117-2311

135-BU

GGGGAAA

326-

RD

A

A

A

727-GN462-YL

326-RD522-WH

597-PU

406-PU441-OR201-BK

200-BK447-PK608-GN403-GN

310-PU308-YL

Y A

405-GY

112-PU-4

Y

200-

BK

101-

RD

-4

A

308-

YL

200-

BKKPP

135-BU200-BK

605-YL606-GY

310-PU608-GN

614-PU605-YL605-YL

101-RD-14113-OR

405-GY403-GN

447-PK

419-YL201-BK

GGG

2

5 3

4 1 7

A

403-GN200-BK

728-BU136-GN

123-WH

308-YL

PRESS SW3E-2033

SOLENOID7T-9074

RDRD

BK-18

200-BK

BK-18

7

L

L

LLL

L

L

LL L

L

L

LL L

L

L

L

L

L

L

L

578-BU

L

L

L

L

165-YL

L

L

L

L

L

L

200-BK

577-PU

576-PK

575-YL

CUSHIONBLADE SW9X-9629

506-PU

505-BU

504-YL

119-

PK

REARDEFROST SW9X-9638

FRONTDEFROST SW9X-9638

152-BU152-BU

152-

BU

200-

BK

119-PK119-PK

H

L

B B

P W

521-

YL

200-BK

A513-PK102-RD

+12V MEMORY+24V IN

200-BK113-OR+ BATTERY

GROUND

GROUND (RADIO)+12V RADIO

122-BU-14124-GN113-OR136-GN123-WH130-RD134-RD105-RD

RESISTOR3T-3123

121-RD

L

608-GN609-YL

2

5

1

34

6

200-BK

WP

B

601-GY

629-PK

614-PU

2

115-RD

103-RD

1 200-BK

B

L

W

H

P

B

507-WH

3

601-GY

200-BK601-GY

415-GN

308-YL

119-

PK

6

7

201-BK

6

119-PK

4

592-BU

118-GY

200-BK

201-BK441-OR

2 1

406-PU

3

A513-PK

506-PU578-BU507-WH575-YL577-PU576-PK152-BU

101-RD

200-BK-14

5 4

597-PU521-YL122-BU-14

GGGG

54

3 1

200-BK-14CONDENSERRELAY3E-5239

CONDENSERMOTOR7X-6279

CONDENSERMOTOR7X-6279

3 2 1

597-PU

7

521-YL

112-PU-10

601-GY

605-YL606-GY611-PU619-GN

200-BK

1

200-

BK

-14

593-

GN

-14

200-

BK

-14

593-

GN

-14

597-

PU

-14

521-

YL-

14

MOTORMOTOR 308-

YL

M

498-

WH

DIFFUNLOCKLAMP7N-5876

M

611-PU

200-

BK

GG

WH

/RD

-14

WH

/RD

-14

326-

RD

HI BEAMINDICATOR7N-5876

M

L

BK-14

307-

OR

601-

GY

105-

RD

M

169-

PK

614-PU

570-

BU

169-PK

200-BK

629-PK415-GN201-BK

P

P

200-

BK

200-BK

310-PU

L64

BK-14

GG

CONDENSER GP-ROOFTOP 103-8519

L

200-BK601-GY

BK

144-RD

200-

BK

MM

AFFFF

603-PK

BK 2

3

1

2

118-GY

619-

GN

619-GN

406-PU

606-GY

441-OR201-BK

101-RD-10

611-PU

611-PU

447-PK

619-GN

608-GN

310-PU

101-

RD

200-BK

570-

BU

405-GY

307-OR

611-PU619-GN605-YL606-GY

410-

WH

201-

BK

A429-YL

727-

GN

CONN 35b

CONN 35a

WITH SECONDARYSTEERING SWITCH CONN'SA, B

417-GY

101-

RD

-14

592-

BU

462-

YL

611-

PU

P

P

ACTION ALARM 19G-9813

165-

YL

522-

WH

308-

YL

F77

5-B

U

326-

RD

307-

OR

F77

5-B

U

105-

RD

134-

RD

3E-2033BK-18 1

102-RD

2

570-

BU

EEE

417-GY

BK-0

L60

L51

L69

RDBK

STON

OFF

3E-2033

B

200-BK

629-PK

S

L48

L69 L69

K

C

R

L69

U

K

605-

YL

SECONDARYSTEERINGTEST SW9X-9633

619-

GN

611-

PU

118-

GY

118-

GY

121-RD

U

UU

BK-18

200-BK

200-

BK

200-BK

UUU

U

L60L60

L60

L48 L48

L48

200-BK200-BK

200-

BK

L51

L51

L50

L50

L63

L63 L63

L63L50 L50

L51L60

EEE

L49

L49L49

L49 L49

L48

L48L48

L57 L57

L56

L56

L55 L55

L57 L57

L60

L54

L54 L54

L63

L13

WH

L16

L16

K

124-

GN

601-GY

165-YLF775-BU

200-BK

601-GY200-BK

601-GY

A51

3-P

K

200-BK

570-BU

200-BK

200-BK

169-PK

K

601-GY

103-RD

200-

BK

U

6

U

200-BK556-WH

4

L72

L43

L72

200-BK

601-

GY

200-

BK

3

608-GN

1

1

PANEL LAMP(SHIFT LEVER)7N-5876

5

611-

PU

2

200-BK

200-

BK

462-YL

404-YL

2

410-WH201-BK

201-BK

HEADLAMP/TAIL SW3E-9317

201-BK

200-BK

SENDER3E-5383

L37

A

A429-YL200-BK

404-YL201-BK

131-4135

HYD OILTEMP SW

ARC SUPPRESSOR106-8704

201-BK

113-OR200-BK

12

L45

410-WH201-BK

609-YL

522-WH

L45

°

597-PU

T

Y 2

3

1

101-RD-4

A

2 1

112-PU-4

200-BK

SHUTDOWNSOL3E-7985

601-GY

101-RD

MATE WITH BEACON HARNESS "W"

U

23

200-BK601-GY

200-BK

134-RD

601-GY

CONVERTER

BACKUP ALARM

727-GN

1

310-PU

BK-18

200-BK

MUR440

200-BK

3

101-

RD

115-

RD

112-PU-8

102-

RD

101-

RD

12V RADIO135-5946

Y

200-

BK

-10

A507-YLRD

403-GN

BKBK

601-

GY

2

102-RD

415-GN

200-BK-10 176-OR-14

Y

308-

YL

322-

GY

114-

RD

605-

YL

606-

GY

614-

PU

611-

PU

619-

GN

601-

GY

176-OR-14

6 5

1

200-BK

10

START AIDEMS TEST SW9X-9628

L65

609-

YL

200-BK

403-GN

2

629-

PK

5

608-

GN

112-PU-8

605-YL606-GY

1

3

200-BK

200-BK603-PK

108-RD

L65

DOME LAMP8C-9678

101-RD-10

200-BK504-YL119-PK

505-BU603-PK

A504-GN

556-

WH

BLOWER9X-0343

F775-BU

604-OR

556-WH

122-BU-14605-YL

606-GY614-PU

KEY START SW9G-7641

200-

BK

121-RD604-OR

601-GY

504-YL119-PK

505-BU

GND

PARKB+GN

GY

OR 4 2

3 1

HI

2

L35

2

LO

MOTOR

4

°T

1

BK

5

L45

A513-PK592-BU200-BK508-PU509-WH

512-GN113-OR

DEFROSTER9X-9657

MOTOR

3

2 1

BKYL

3

WH

L35

L35

4

556-WH

6

SERVICEMETER3E-9359

200-BK

L66

200-

BK

200-

BK

L57

L54

L54

L55

L55

L56

L56

L51

L51 L51

L63

2

L43L7

L37L37

L37

L37

L36

L36

L37

L36L61

L61

L41

L41

L20

200-

BK

L45

L37

L12

L12

L66

L66

L32 L32

L32

L35

L30L30

L30

135-BU

112-PU-10

101-

RD

-14

101-RD-14

L39

L65

L65

L65L11

L11

2187

L20

1

L63

L94

L43L7L36

L7

L7

L35

L35

L35

L23

L36

L36 L36

200-

BK

322-GY

TURN SIGNALSW9G-5589

21

PANEL LAMPDIMMER SW3E-9318

122-BU-14124-GN

200-BK

113-OR

601-GY

200-

BK

619-GN

113-

OR

136-GN

A51

3-P

K

200-

BK

601-GY

601-GY

512-

GN

123-WH

592-

BU

614-PU

200-BK

608-GN

135-

BU

200-

BK

200-BK-8

BK-18

584-YL

584-YL

165-YL

4K-5122 HOLDER AS.3K-8782 FUSE

601-

GY

200-

BK

169-PK149-PU

200-BK

200-

BK

103-RD

10

173-RD

403-GNJ

7 6

130-RD

5 1

134-RD

CCC

4

122-BU-14

200-BK

114-RD105-RD

TAIL LAMPS

3

TURN SIGNALS

J

513-OR522-WH

STOP LAMPS

SECOND STEERHORN

L39

1

AIR DRYERNOTE J

KEY SW

AIR CNDTR

BK-18

6

2

SUPP STEER

2

200-BK

1 2

606-GY

L39

DIFF LOCK

BLADE CNTRL

REAR FLOODS

556-WH

BLADE FLOODS

614-PU

1

201-

BK

619-GN

200-BK

STRAP4 GA STD1/0 ATCH

REARFRAME

728-BU200-BK

321

L43

LAMP

UNUSEDUNUSED

PRIMARYSTEER SW8T-8640

GROUNDNEUTRALBK AIR PRESSHYD TEMP

UNUSEDALARM+ BATTERYPRIM STEERSHIFT FAULT

UNUSEDUNUSED

FUEL PRESS

ALTERNATORTESTENG OIL PRESSCOOLANT TEMP

6

3

606-GY

BK

1

101-RD

LIGHTBARLOW BEAM

3T-2662

HEADLAMP

3T-2662

10A

201-BK

15A

15A

FLASHER108-0358

4 8

L43

L42

L42

7

619-GN

1201-BK

441-OR

405-GY406-PU

447-PK

606-GY605-YL

408-WH

RESISTOR7T-4003

308-YL

537-GN

BURDBK

BEACON128-6983 BULB9X-7849

3

GY/BK

2

1118142987191710

124

136515

GY

3

201-BK417-GY

410-WH201-BK419-YL404-YL

9

408-WH409-OR

WH/BKWH

6

BKRD

14

5 6 2 3

611-PU

BK

L19

L6

HEADLAMP DIMMER SW103-5678

149-PU

L16L13

601-GY

L11

BK

FLOODLAMPS9X-9632200-BK

12

601-

GY

ANTENNA9W-3072CABLE AS.9W-3073

YL

L12

L32B+ MEMORYB+ GROUND+ LH SPEAKER- LH SPEAKER+ RH SPEAKER- RH SPEAKERANTENNA

614-PU

16

FUSE BLOCK9G-0747

20

5

2

REAR WIPER9X-3392

513-OR

15A10A10A

4

10A10A

606-GY

200-BK

10A10A10A

L32

123-WH

2

10A10A10A10A

HORN SW132-2115

10A10A10A10A10A

200-

BK

200-

BK

200-BK

L21 L21

L21L21

L62

L10

L63

L63L22

L19

L19L62

L5

L5

200-BK

L20

L23

L23 L23

L21

L21

L18

L18

DIFFERENTIALUNLOCK SW139-2119

L18

L7L7

L7

LIGHT BARLOW BEAM9X-9631

L7

L7

A

4

A

L62

L62

L6

L16

L16

L15

512-

GN

L14

8

L14L14

L13

L13

L11

L11

L11

L12

L10

L10 L10

L10 L10

L10

L1

L2L2

L22

L15

L15

7

L15

L7

L7

L6

2

L6

488-WH

3

L5

6

147-RD

L2

L2

1 6

L1L1

AAA

3 5 7

4 5

2

1 2 1 9 5 3

200-BK

A50

6-O

RA

503-

PK

4

2

6 8 710

200-

BK

200-

BK

FRONT LOWERWIPER SW3T-6655

1

1

200-BK

200-

BK

556-

WH

417-GY

L22

611-PU

200-BK

L61

201-BK

YYY YYYKKK

+R

606-GY

A429-YL

201-BK

200-BK

200-BK

200-BK200-BK

201-

BK

200-BK

200-BK200-BK200-BK

118-GY

152-BU

200-BK200-BK

119-PK

200-BK

141-PK

601-

GY

601-

GY

601-

GY

601-

GY

151-GN

108-RD

144-RD

A503-PK

498-WH

611-PU

A506-OR

601-GY

601-

GY

601-

GY

12V BATTERY9X-9721

584-YL

2

151-GN

605-YL

5

200-BK

411-PK201-BK

200-BK

9

135-

BU

147-

RD

200-BK

5

147-RD

3

200-BK

7

L18

A507-YL

- +

200-BK200-BK200-BK

200-BK

L18

-

WWW

+- +

REARWASHER7T-8891FRONT UPPER

WASHER7T-8891

507-WH506-PU578-BU

FRONT LOWERWASHER7T-8891

507-WH200-BK

FRONTFRAME

1

201-BK

584-YL

200-BK

200-

BK

WITH 103-8519 ROOFTOPCONDENSER GP., REMOVEJUMPER KK AND MATEHARNESS FF TOHARNESS A

601-GY

3

200-BK-6

4

A504-GN

6

A507-YL

200-BK

604-

OR

130-

RD

200-BK-8

112-PU-10

113-ORA513-PK605-YL606-GY611-PU619-GN

507-WH578-BU506-PU152-BU576-PK577-PU575-YL101-RD

GND

PARKB+

200-BK

141-PK

601-GY

101-

RD

507-

WH

578-

BU

506-

PU

118-

GY

501-

GN

502-

OR

200-BKA507-YLA504-GN603-PK119-PK505-BU

504-YL

108-

RD

200-BK200-BK

200-BK

BKBK

FRONT UPPERWIPER SW3T-6655

2

200-

BK

2

BEACON SW9X-9639

KK

BK

512-GN

419-YL

200-

BK

101-RD

152-

BU

6

5

3

5

2

3

200-

BK

4

CABGROUND

606-GY605-YL611-PU619-GN114-RD322-GY

4

BLOWER9X-0343

DEFROSTER9X-9657

611-PU

1

201-BK201-BK 1

508-PU509-WH

LEFT SPEAKER6T-7695

A506-OR

201-BK

2

201-BK

FRONT LOWERWIPER9X-3392

576-PK152-BU575-YL577-PU

MOTOR

4

MOTOR

501-GN118-GY

502-OR

RESISTOR7T-4003

RDBK

108-

RD

A50

3-P

KA

506-

OR

152-

BU

576-

PK

575-

YL

577-

PU

629-PK609-YL

GNGY

OR 4 2

3 1

HI

LO

MOTOR

E BACK-UP ALARM SW3E-9367

32

41WH-18

WH-18

°T

BK

200-BKGND

PARKB+GN

GY

OR 4 2

3 1

HI

LO

MOTOR

601-GY

°TBK

113-OR

FRONTFRAME

10

WH-18WH-18

MOTOR

2

UPPER WIPER/WASHER LOWER WIPER/WASHER REAR WIPER/WASHER FRONT DEFROSTER REAR DEFROSTER DOME LAMP BEACON

10A

10A

10A

10A

10A

10A

10A

12

4

1

B

6L

H

6

4 3

43

8

119-PK

200-

BK

10

502-OR

1

W

WW

601-GY

1

3

601-GY200-BK

1

5

+-

200-BK

2

24V TO 12V CONVERTER3E-8646

IGNITION12V OUT

GROUND

+-

MOTOR

24V IN

112-

PU

112-

PU

LOCALIZEDGROUNDSTUD

112-

PU

112-

PU

592-BU

112-

PU

101-RD2

L

501-GN

113-

OR

FRONT UPPERWIPER9X-3392

2

5

2 5 7 9 3 4 6 8 1

403-GN

201-BK

2

122-BU-14

112-PU-10

101-

RD

200-BK

2

2

OP

ER

AT

OR

ST

AT

ION

BK-18

K

201-BK

404-YL 201-BK

200-BK

WH-18WH-18WH-18

WH-18 14

K

23

NEUTRAL/STARTSW3E-9367

JJ

200-BK

A506-OR

KE

306-GN

1

307-OR409-OR

498-WH

1

K

E

200-BK

JJ

J

CIRCUIT GROUPINGDESIGNATION

H

200-

BK

200-BK

310-PU

406-PU

A429-YL

609-

YL

727-GN

609-

YL

405-GY

609-YL

BUSS BAR8C-6358

YYY

AUX STARTRECEPT.143-9169

RD

-00

BK

-00

WW

C-13C-13

200-

BK

200-

BK

L56

CE

727-GN

201-BK 2

614-PU614-PU614-PU

614-PU

1

727-GN

462-YL

D-5

201-BK

7

A42

9-Y

L

6 5 4 3

200-BK200-BK200-BK

23

TAILLAMP SW3E9319

614-PU

601-GY

103-RD

1 2

7

306-

GN

5

F-13

6

AAA

FORWARDHORNSOLENOID7T-9074

Y

2

200-

BK

M

M

M

A

A

1

A

M

113-OR

1 3

LAMP8M-6176

FUELLEVEL

COOLANTTEMP

M M

113-OR 441-OR614-PU 447-PK 200-BK

306-GN

4

403-GN

CLUSTER124-0384

415-GN

498-WH

WHRDORPUGNGYPKYLBK

(12 V)

306-GN

(24 V)

(12 V)(24 V)

IGN

200-BK

SEND

GRD

IGN

SEND

GRD

IGN

SEND

GRD

M

RIGHTTURNLAMP7N-5876

B

200-

BK

606-

GY

M

M

M

M

ARTICULATION

200-BK727-GN462-YL

E77

3-Y

L

E773-YL

A429-YL

1 2

201-BK

L55

L#

J

J

J

A

A

A

JJ

HHHAA

J

A

121-RD

A

L94

200-BK

J

200-BK

A

L94

J

L64

2

AA

A

AA

AA

3

AA

200-BK-14

K

K

K

P

P

P

EEE

T

T

4

K

201-BK

K

K

CC

TA

A

EEE

P

A

A

K

EEE

L71

P

P

P

A

A

A

K

K

K

1

A

F-12

A

A

K

K

A

CCA

A

MMMMMM

LL

KK

A

K

K

LH

DIFFERENTIALUNLOCK SOLENOID144-6295

U

U

AU

GNGN

A

U

A

W

5

W

12

556-WH

ARC SUPPRESSOR106-8704

J

JNN

AA

K

K

201-BK

H

H

VV

FUSE BLOCK9G-0747

VV

A

AE

H

H

H

A

A

101-RD-4

WWW

LL

UU

UU

C

W

Y

Y

308-YL

Y Y

326-RD

121-

RD

101-RD-14

Y

Y

J

308-YL

AAA

307-OR

F-13

200-BK

AAA

AAA

Y CONN 8

CONN 7

CONN 5

CONN 4

CONN 1

CONN 6

200-BK

Y

109-

RD

-4

200-BK

HHJJJ

3

YHH

200-BK

CCC

CCC

10

LLL

LLL

9

RR

KKK

RRTT

TT

1

B-12

109-RD-4

201-BK

200-BK

MUR440

2

200-BK

B-12

619-GN611-PU605-YL

6

C-13

AAA

619-

GN

611-

PU

606-

GY

611-

PU

606-

GY

619-

GN

8

200-BK

403-GN

200-

BK

629-

PK

614-PU604-OR

417-GY

200-

BK

629-

PK

GGG

GGG

XX

XXYY

AAA

YYWW

Y

6

3K8782 FUSE (10A)8M8948 FUSE (15A)8M0456 FUSE (20A)

E

E

HHJJJ

1 2

403-GN

308-YL

ECCC

CCC

CCC

601-GY

CENTERSHIFTSOLENOID9X-9482

12

F775-BU200-BK

NOTECHG

ATCH WIRE, CABLE &COMPONENT

CABLE AS.

GNGN

CIRCUIT NOT CONNECTED

CIRCUIT CONNECTED

C-13

LOC

NOTE A: NORMALLY OPEN BEFORE REFRIGERANT CHARGE

COMPONENTS ARE SHOWN INSTALLED ON A FULLY

-

WIRE AS.

HARNESS AS.

522-WH200-BK521-YL124-GN

X

BLOWER9X-9363

515-GY200-BK

124-GN521-YL515-GY516-GN517-BU

BLOWER SW6P-3236

RESISTOR9G-1950

7

201-BK

PANEL LAMP8D-1429

OPERABLE MACHINE WITH THE KEY AND ENGINE OFF

THIS SCHEMATIC IS FOR THE 14H NA, (145-1117 CHG 01)

B

PART NO.

UNLESS OTHERWISE SPECIFIED: ALL WIRES IN A SPLICE

AND XMSN SHIFTER IN NEUTRAL

CENTERSHIFTPIN SW3E-8823

IDENT

C-13

200-

BK

UU

U

200-BK

NOTE J: USE 20A FUSE WHEN ATTACHMENT AIR CONDITIONER (HEATS AND COOLS) WITH ROOF TOP CONDENSER IS PRESENT

136-GN

BLUE

WH/RD-14BK-14

308-YL

MOTOR

462-YL

GREENBUGN

RDWHOR

7

310-PU

YLPKBK

BLADE, SPADE, RING,OR SCREW TERMINAL

4

INTERNAL ELECTRICALCONNECTION TO SURFACEOF COMPONENT

ELECTRICAL CONNECTIONTO MACHINE STRUCTURE

200-BK

570-BU 570-BU200-BK

112-

PU

-10

101-

RD

-4

101-

RD

-10

12

606-GY200-BK

LO BEAMHEADLAMP9X-7169

629-PK200-BK

LO BEAMHEADLAMP9X-7169

606-GY605-YL611-PU619-GN200-BK

629-PK200-BK

12

629-PK200-BK

C-14C-14

A-9

CONNECTOR

REARWIPER SW3T-6655

130-

RD

A51

3-P

K

E-9

GNGN

12

34

GNGN

C-10C-13

F-12C-9A-14C-10C-10

5

F-12

2

SYMBOL

F-14B-3

DESCRIPTION

PURPLEGRAYBLACK

D-10D-10

3

COLOR

1

PINK

200-BK200-BK

200-BK614-PU

200-

BK200-BK 200-BK

200-

BK

728-BU

200-

BK

200-BK

Y

AAA

STOP LAMPSW125-9352

WITH 8C-9788 COND. GP., CONN 17a MATES TO CONN 17bWITH 8C-9787 HEATER GP., CONN 17aMATES TO CONN 17c

200-

BK

CONN 17c

CONN 17b

CONN 17a

CONN 27

CONN 25

CONN 24

CONN 22

CONN 21

CO

NN

20

CONN 23

CONN 26aCONN 26b

CO

NN

28

CO

NN

29

200-BK

YELLOW

200-BK

HEATER GP 8C-9787

200-BK

200-BK614-PU

1

614-PU

25

12

43

GNGN

BLADECUSHIONSOLENOIDS7T-6517

E773-YL200-BK

12

CENTERSHIFTSOLENOID9X-9482

A

570-BU200-BK

T

113-OR

307-OR

°

MASTERACTIONLAMP9W-2111

1

MOTOR

592-BU

WH/RD-14BK-14

U

U

130-

RD

U

15A

NOTE E: POWER LEADS FOR 2-WAY FM COMMUNICATION RADIO SHOULD BE SIZE 10 AWG

PANEL LAMP8D-1429

E

3

THERMOSTATSW3E-5464 2

RESISTOR9G-1950

A51

3-P

K

BLOWER SW6P-3236

113-OR

X

124-GN521-YL515-GY516-GN517-BU

CONDITIONER GP-B 8C9788

UE773-YL

65

E77

3-Y

L7

411-

PK

404-YL

201-BK

5

606-GY605-YL614-PU

A

(NOTE E)

L42

515-GY200-BK

BLOWER9X-9363

4

X

1

X

200-BK

200-BK

417-GY201-BK409-OR408-WH404-YL419-YL201-BK

8

410-WH

U

200-BK

A429-YL

101-

RD

-10

201-BK

406-PU405-GY

113-OR

415-GN447-PK441-OR

25A CONVERTER

3T-2662

113-OR403-GN

605-

YL

200-

BK

614-

PU

200-

BK

614-

PU

200-

BK

LEFT TURNINDICATORLAMP7N-5876

R/S SYSTEMAIR PRESS

1W-3306LAMP7N-5876

L/SSYSTEMAIRPRESS

1W-3306LAMP7N-5876

MM

201-BK

M

M

7

ORANGEWHITERED

130-RD604-OR

201-BK

408-WH488-WH

201-BK417-GY

PUGY

408-WH201-BK

E-13

609-YL200-BK

RDBK

BKRD

12

21

601-GY

12

114-RD322-GY

B-13

RIGHT SPEAKER6T-7695

B-11

12345

B-10

570-

BU

L60

B-9

200-BK

E-3C-6F-3F-3E-6C-5C-6D-10A-6B-12F-14B-13C-6

201-BK

609-YL200-BK

619-GN200-BK

OP

ER

AT

OR

ST

AT

ION

200-BK611-PU

605-YL200-BK

12

RDBK

LO BEAMHEADLAMP9X-7169

HI BEAMHEADLAMP9X-7170

TURNSIGNAL7X-6066

CAB TURNSIGNAL7X-6066

CAB HI BEAMHEADLAMP133-3035

CAB LO BEAMHEADLAMP133-3037

LOC

12

619-GN200-BK

611-PU200-BK

LO BEAMHEADLAMP9X-7169

HI BEAMHEADLAMP9X-7170

TURNSIGNAL7X-6066

CAB TURNSIGNAL7X-6066

CAB HI BEAMHEADLAMP133-3035

CAB LO BEAMHEADLAMP133-3037

606-GY200-BK

611-PU200-BK

RDBK

200-BK619-GN

12

200-BK605-YL

611-PU200-BK

619-GN200-BK

BLADEFLOODLAMP 9X-6775

BLADEFLOODLAMP 9X-6775

ARTICULATION

ELECTRONIC MONITORINGSYSTEM (EMS) 9X-7801

GAUGES

GAUGE

UNLESS OTHERWISE SPECIFIED: ALL WIRE IS 16 GAUGE

ARE THE SAME IDENT. NUMBER, COLOR, AND 16 GAUGE

GAUGE

GAUGE

E04646

121-RD

144-RD

BR-18

413-BR

321-BR

BREAKER

413-BR

413-BR

PARK BRAKE

PARK BRAKE

503-BR

158-BR-14

413-BR

600-BR

BRAKE AIR SW

BRAKE AIR SW

511-

BR

116-BR

503-BR

503-BR BR

511-BR

200-BK

600-BR

511-

BR

116-BR

321-BR

PARK BRAKE

BRAKE ON

BREAKERBREAKER

413-BR

500-

BR

503-BR511-BR

500-BR

BR

BR

321-BR

500-BR

413-BR

200-BK

413-BR

WXYGGG

KKKRRLLLTTUUVVVVWWXXYYMMMYYYYYY

CCJJJEEFFGGHHKKPP

L

PEEEFFFTU

AAAACCCEHJK

LLMMNNGGGG

M

AA HHH

BROWN

ABBREV

413-BR

BREAKER

BR

608-GN

142-1249124-1429 142-8098 101-8185

116-99818R-3669 128-8527143-5966 061-76617G-10608X-9618 101-8202 101-8204 124-5346 1S-2342 143-9169 143-9169

101-8190 101-8192 112-08298X-9091123-8330 101-81934E-8715139-3507

115-9433

116-0297 110-7855 101-8181106-5524142-8088

140-3669 143-2448 142-8096 142-8097 101-8161 142-0775 139-3506

9F-4337 6T-6962 132-2115 139-0071

142-7535

115-9446 139-0248

00 00 00 01

00 0200 00 03 00 01 0101 00 02 00 00

02 01 02 03 0203 00 00

01

01 02 04 0101

00 00 00 00 02 01 00

0700 02 00

00

00 00

(BEACON-OPEN ROPS)(CONDITIONER GP-B)(FUEL TANK)(SECONDARY STEERING)

(POS BAT TO BUSS BAR)(NEG BAT/DISCONNECT SW)(DISCONNECT SW TO GND)(NEG BAT TO POS BAT)(START MTR TO FRAME GND)(GND-R FRAME TO F FRAME)(GND-R FRAME TO F FRAME)(START MTR/STR RELAY)(STEERING MTR TO GND)(STR RELAY TO STR MTR)(GND-F FRAME TO CAB)(RECEPT AS TO BUSS BAR)(RECEPT AS TO FR GND)

(BLADE FLOOD LAMP)(REAR FLOOD LAMP)(2-WAY RADIO CONVERTER)(CONDENSER GP-CAB)(CONDENSER GP-ROOFTOP)(REAR FLOOD LMP-FUEL TNK)(CONDENSER JUMPER)(POWER PORT)

(SW PANEL)

(HEADLIGHTS-BAR) (LOW BEAMS)(CAB FUSE PANEL) (BLADE CUSHION)(XSMN CONSOLE-SWITCHES)

(PLATFORM) (ENGINE) (RADIATOR GRILL) (R FRAME)(CAB-REAR) (STEERING CONSOLE) (CAB-FRONT)

(START MTR TO ENGINE)(CONDENSER FAN JUMPER)(HORN SWITCH)(FUSE TO CIGAR LIGHTER)

(GAUGE CONSOLE)

(HEADLAMP BREAKER)(LOW BEAM BREAKER-BAR)

ATCHATCH

ATCH

ATCHATCHATCHATCH

ATCH ATCH

ATCHATCHATCHATCHATCHATCH

ATCHATCH

ATCH

ATCH

CONN 2

CONN 3

CONN 15

CONN 14

CONN 13

CONN 12

CONN 11

CONN 10

CONN 9

CONN 16

CONN 19

CONN 18

CONN 31

CONN 30

CONN 32

CONN 33

CONN 34

CONN 38

CONN 40

CONN 41

CONN 42

CONN 43

CONN 39

CONN 37

CONN 44

CONN 36

CONN 47

CONN 48

CONN 49

CONN 50

CONN 45 CONN 46

CONN 51

F

E

D

C

B

A

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

F

E

D

C

B

A

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

WIRES THAT HAVE BATTERY VOLTAGEWHEN THE KEY SWITCH IS OFF.

WIRES THAT HAVE BATTERY VOLTAGEWHEN THE KEY SWITCH IS ON.

STARTING CIRCUIT.

GAUGE CIRCUIT.

ELECTRONIC MONITOR SYSTEMCIRCUIT. (EMS)

PANEL LAMP CIRCUIT.

WASHER / WIPER CIRCUIT.

HEATER AND AIR CONDITIONER CIRCUIT.

GROUND CIRCUIT.

TURN SIGNAL CIRCUIT.

ENGINE SHUTDOWN CONTROL CIRCUIT.

START AID CIRCUIT.

ALL DASHED LINES ARE ATTACHMENTS.