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©2001 CaterpillarAll Rights Reserved
Printed in U.S.A.
RENR5443December 2001
330C ExcavatorElectrical System
CYA1-UPHAA1-UPMCA1-UPJAB1-UPKDD1-UPGAG1-UPRBH1-UPBTM1-UPGKX1-UP
Wire DescriptionWire
NumberWire Color Description Wire
NumberWire Color Description
Power Circuits Lighting Circuits
101 RD Bat + 607 PK Chassis Lamp Relay Output
103 RD Dome Lamp / Memory 615 YL Cab Lamp
105 RD Key Sw 616 BU Boom Lamp
109 RD Alternator B+ Term 645 RD Atch Beacon Relay Output
110 RD Timer Relay 646 RD Boom Lamp (Sw Panel To Boom Lamp Relay)
112 PU Main Relay 684 RD Cab Lamp (Sw Panel To Cab Lamp Relay)
113 OR Sw Panel / Radio A623 BU Chassis Lamp Relay To Diode
114 RD Horn Control Circuits
115 RD Cab Lamp Relay 763 BU Travel Speed Change Sol
118 GY Wiper/Washer 780 PU Atch Quick Coupler Sw
119 PK Not used 788 YL Speed Sensor (-)
120 YL 12V 10A Converter 1 A746 PK Boost Pressure
123 WH Seat Heater A747 GY ATM Pressure
124 GN A/C A755 PK Throttle Position 1
129 BU Cigar Lighter A756 BU Throttle Position 2
130 RD Engine Control A757 GY Throttle Position 3
135 BU 12V Memory Out A758 BR Throttle Position 4
147 PU Atch Sol A762 PU Speed Sensor (+)
149 RD Boom Lamp A768 BU Power Shift Cont Sol
150 OR Quick Coupler A769 GY Power Shift Cont Sol
151 GN Hyd Lock Sol Relay A770 PK Backup Resistor To Backup EPR Valve Sw
152 BU Lower Wiper / Washer E795 YL Oil Temp
154 RD Neutral Start Relay E797 WH 1 AP Control Valve160 PU Chassis Lamp E798 PK 1 AP Control Valve168 RD Aux Ckt F716 WH Secondary Shutdown Sw169 PK Backup / Monitor Control F773 OR Backup Gov Sw A/D To Eng Gov Actuator (Accel)
175 RD A/C Blower F774 WH Backup Gov Sw A/D To Eng Gov Actuator (Decel)
179 BU 12V 10A Converter 2 H705 BR Fuel Pump Relay
180 GN Aux Ckt J702 BK Air Heater Relay
184 RD E/P Control M734 BR Travel Mode Sw
188 WH Fuel Pump M736 BU Governor Command
189 RD Timer Relay Out M737 WH Flow Limit Pressure PRV
191 WH Atch Switch M738 OR Primary NFC Pressure PRV
Ground Circuits M739 YL PRV Return (2)
200 BK Chassis Ground M740 PK Travel Straight Sol
201 BK Monitor Ground M741 GY Travel Alarm Cancel Sw
210 BK Converter 1 Ground M742 PU AEC Mode Sw
229 BK Converter 2 Ground M743 GN Atch Boom Float Disable Relay
235 BK E/P Control Ground 892 BR Cat Data Link -
A278 BK Fuel Pump Ground 893 GN Cat Data Link +
Basic Machine Circuits A893 OR Fuel Pump
304 WH Start Relay To Motor Starter F889 WH Gov Command
306 GN Neutral Start Relay To Start Relay G826 BR Oil Pressure
307 OR Key Sw To Neutral Start Relay G827 BU Oil Pressure -
308 YL Key Sw ON G828 WH 5+ From Engine Control To Sensors
310 PU Start Aid Sw To Start Aid Sol G829 GN Sensor Common
320 RD Horn Sw To Horn Relay G833 PK Sensor Common
321 BR Travel Alarm G849 BR HEUI Rail Pressure
322 GY Horn Relay To Horns G850 BU Air Heater Relay
323 WH Atch Refueling Pump G854 PK Conn HEP
325 PK Atch Refueling Stop Sw G855 PU Conn HEP
326 RD Key Sw Off G856 WH TDC Probe
329 YL Atch Refueling Stop Rly To Refueling Power Rly G857 YL TDC Probe
365 YL Atch Refueling Stop Sw To Refueling Relays K843 GN Right Joystick Sw 1
Monitoring Circuits K844 GY Left Joystick Sw 1
403 GN Alt R Term To Service Meter And E/P Cont K847 PU Right Joystick Sw 2
405 GN Eng Oil Pressure Sw K848 WH Left Joystick Sw 1
405 GY Low Oil Pressure Output K849 YL Atch Stem 1
410 WH Fault Alarm K850 BR Atch Stem 2
412 BU Coolant Level Sw K851 BU Atch Stem 3
430 BU Air Cleaner Sw K852 GN Atch Stem 4
487 OR Hyd Oil Filter Sw K853 GY Atch Pump1 Flow Control Sol
491 PK Hyd Oil Temp Sensor K854 OR Atch Pump2 Flow Control Sol
495 GN Fuel Level K855 PK Atch Separate Valve Sol
496 WH Hyd Oil Level Sw K856 PU Atch Stem1 Control Sol (A)
A499 BU Hyd Tank Pressure Sw K857 WH Atch Stem2 Control Sol (A)
C468 BU Eng Oil Level Sw K858 YL Atch Stem3 Control Sol (A)
E469 YL Tool Pressure Sensor K859 BR Atch Stem4 Control Sol (A)
E470 BR Neg Cont Pressure Sensor 1 K860 BU Atch Stem1 Control Sol (B)
E471 BU Neg Cont Pressure Sensor 2 K861 GN Atch Stem2 Control Sol (B)
E472 GN Rotate Sw (CW) K862 GY Atch Stem3 Control Sol (B)
E473 GY Atch Stem 1 Modulation K863 OR Atch Stem4 Control Sol (B)
E474 OR Atch Stem 2 Modulation K864 PK Atch Relief 1 Sol
E475 PK Atch Stem 3 Modulation K865 PU Atch Relief 2 Sol
E476 PU Atch Stem 4 Modulation K866 WH Atch 1 way / 2 way Control Sol
H465 GN Over Load Alarm Cancel Sw K867 YL PRV Return (1)
H466 BU OLWD Pressure Sensor K868 BR Sol Gnd 2
H467 WH Travel Alarm Cancel Indicator K869 BU Sol Gnd 3
H473 BR AEC Mode Indicator K870 GN Sol Gnd 4
H474 GN Travel Mode Indicator K871 WH Atch 1Pump-2Pump Exchange Sw To Sol
H475 BU Straight Travel Pressure Sw K872 OR Atch Single-Double Action Exchange Sw To Sol
H476 WH Travel Right Pressure Sw K876 BR Atch Relief Check 1 Sol
H477 YL Travel Left Pressure Sw K877 BU Atch Relief Check 2 Sol
H478 BU Joystick Pressure Sw K879 GN Atch Double Action Sol
Accessory Circuits K882 BU Oil Temp Sensor Gnd
501 GN Wiper Low 994 GY Oil Pressure
506 PU Wiper Cont To Washer Motor 995 BU Coolant Temp
508 PU LH Speaker (+) 998 BR Backup Gov Sw
509 WH LH Speaker (-) C967 BU Intake Air Temp
511 BR RH Speaker (+) C987 RD Power To Atch Valve Control
512 GN RH Speaker (-) C991 PK Fuel Pressure
530 OR Wash Signal (Sw Panel To Wiper Cont) E963 BK Dual Cam Speed/Timing (Run)
535 BU Lower Wiper Motor (+) E964 WH Dual Cam Speed/Timing (Run)
575 YL Atch Lower Wiper Motor (S) E965 BU Dual Cam Speed/Timing (Crank)
576 PK Atch Lower Wiper Motor (+1) E966 YL Dual Cam Speed/Timing (Crank)
578 BU Atch Lower Washer Motor G976 BU Water Separator Level Sw
586 BR Not Used K904 GN Pump Discharge 1 Pressure Sensor
590 GY Wiper INT (3) (Sw Panel To Wiper Cont) K906 GN Swing Brake Sol
592 BU 12V Atch Converter To Radio K907 BU Swing Brake Cancel Sol
A513 RD MEM Atch Converter To Radio L968 OR PRV Return (1)
A537 PK Seat With Seat Heater L969 WH PS Control PRV
A579 OR Wiper CCW (Wiper Cont To Wiper Motor) L972 BU One Touch Low Idle Sw
A580 BR Wiper CW (Wiper Cont To Wiper Motor) L973 GN Free Swing
A581 GN Reverse (Wiper Cont To Wiper Motor) L976 GN Atch Refueling Start Sw
A582 PU Stop (Wiper Cont To Wiper Motor) M906 BU Stem 1 (Squeeze) Pressure Sensor
A583 YL Window Cont To Wiper Cont T951 YL Injector 1 Sol
A584 BU Wiper Cut (Wiper Cont To Window Limit Sw) T952 BR Injector 2 Sol
A586 OR Wiper INT (6) (Sw Panel To Wiper Cont) T953 BU Injector 3 Sol
A588 GN Hyd Lock Sol Relay To Sol T954 GY Injector 4 Sol
C537 GN A/C Photo Sensor (Y/W)To Sw Panel A/C + Heater T955 GN Injector 5 Sol
C538 OR A/C Photo Sensor (Y/G)To Sw Panel A/C + Heater T956 GY Injector 6 Sol
C560 OR Not Used T957 PU Injector 1 Sol
C566 PK Not Used T958 YL Injector 2 Sol
C569 YL Converter To 12V 10A Socket T959 BR Injector 3 Sol
E554 PK A/C Unit To A/C Clutch Sol T960 BU Injector 4 Sol
T961 GN Injector 5 Sol
T962 WH Injector 6 Sol
T967 YL Pump Discharge 2 Pressure Sensor
Component LocationComponent Schematic
LocationMachine Location Component Schematic
LocationMachine Location
A/C Switch Panel D-1 A Solenoid - 1 P - 2P Exchange 2 H-7 F
Air Heater F-11 H Solenoid - 1 Way / 2 Way Cont. B-5 35
Alarm Fault F-3 A Solenoid - A/C Clutch E-11 50
Alarm Travel A-5 3 Solenoid - Double Action H-7 F
Alternator F-11 4 Solenoid - Flow Limit A-7 F
Antenna C-4 5 Solenoid - Fine Swing C-4 30
Battery I-12 6 Solenoid - Hammer B-10 F
Block Terminal G-9 E Solenoid - Hyd. Lock C-9 G
Breaker Alt. H-12 E Solenoid - Injector 1 C-10 36
Controller E-8 1 Solenoid - Injector 2 C-10 37
Controller Eng. F-12 H Solenoid - Injector 3 C-10 38
Controller Valve C-8 2 Solenoid - Injector 4 C-10 39
Converter D-5 A Solenoid - Injector 5 C-10 40
Converter - 12V 7A I-5,6 D Solenoid - Injector 6 C-10 41
Eng. Speed Dial H-1 B Solenoid - Power Shift Cont. A-9 F
Fuse Block H-10,12 E Solenoid - Primary NFC A-7 F
Horn C-2 7 Solenoid - Pump 1 Flow Cont. A-12 F
Joystick (L) I-3 C Solenoid - Pump 2 Flow Cont. A-12 F
Joystick (R) H-1 B Solenoid - Quick Coupler A-9 F
Lamp - Boom C-2 8 Solenoid - Relief 1 B-5 31
Lamp - Cab G-1 9 Solenoid - Relief 2 B-5 32
Lamp - Chassis C-2 10 Solenoid - Relief Check 1 B-5 33
Lamp - Dome G-2 A Solenoid - Relief Check 2 B-5 34
Lighter Cigar F-2 A Solenoid - Separate Valve B-9 G
Meter Service F-2 A Solenoid - Single Action 1 C-5 22
Monitor F-1 A Solenoid - Single Action 2 C-5 23
Motor - Lower Washer I-7 11 Solenoid - Stem Cont. 1 (A) B-10 J
Motor - Lower Wiper I-2 D Solenoid - Stem Cont. 1 (B) B-10 J
Motor - Starter E-11 12 Solenoid - Stem Cont. 2(A) B-10 J
Motor - Washer H-7 13 Solenoid - Stem Cont. 2(B) B-10 J
Motor - Wiper F-1 A Solenoid - Stem Cont. 3(A) B-10 J
Power Window Control G-4 A Solenoid - Stem Cont. 3(B) B-10 J
Pump Fuel I-7 46 Solenoid - Stem Cont. 4(A) C-9 J
Pump Refueling A-2 21 Solenoid - Stem Cont. 4(B) C-9 J
Radio AM/FM D-4 A Solenoid - Swing Brake C-9 G
Radio AM/FM Cassette D-4 A Solenoid - Travel Speed C-9 G
Relay - Boom Lamp H-11 E Solenoid - Travel Straight C-9 G
Relay - Cab Lamp H-11 E Speaker G-4 A
Relay - Chassis Lamp H-11 E Switch - 1 P - 2P Exchange D-4 A
Relay - Fuel pump G-11 E Switch - Air Cleaner H-7 24
Relay - Heater Air F-11 H Switch - Aux Hyd. Press. I-1 D
Relay - Horn H-11 E Switch - Backup G-2 B
Relay - Hyd. Lock Sol. G-11 E Switch - Coolant Level I-7 25
Relay - Main H-9,G-9 E Switch - Disconnect G-12 E
Relay - Neutral Start G-11 E Switch - Eng. Oil Level E-11 H
Relay - Refueling Power A-2 26 Switch - Fine Swing D-3 A
Relay - Refueling Start A-3 29 Switch - Hammer Foot I-4 D
Relay - Refueling Stop A-3 27 Switch - Hammer Press. I-1 D
Relay - Starter H-8 E Switch - Hammer Press. B-10 F
Relay - Timer I-12 E Switch - Horn I-3 C
Resistor I-9 E Switch - Hyd. Oil Filter A-5 F
Resistor Main Relay I-8 E Switch - Hyd. Oil Level A-6 F
Seat With Seat Heater H-2 14 Switch - Joystick Press. I-2 D
Sender - Hyd. Oil Temp. A-5 F Switch - Lower Washer D-2 A
Sensor - A/C Photo F-1 A Switch - Lower Wiper D-2 A
Sensor - Atmospheric Press. C-11 44 Switch - Medium Line Press. I-1 D
Sensor - Connector Hep A-11 48 Switch - Neutral Start I-3 D
Sensor - Coolant Temp. B-11 H Switch - One Touch Low Idle H-1 B
Sensor - Dual Cam SP/TMG (RUN) B-11 H Switch - Panel E-1 A
Sensor - Dual Cam SP/TMG (CRANK) B-11 H Switch - Power Window D-2 A
Sensor - Eng. Oil Press. C-11 H Switch - Power Window Limit G-4 A
Sensor - Eng. Oil Temp. B-11 49 Switch - Quick Coupler G-3 B
Sensor - Eng. Oil Temp. Active B-11 43 Switch - Refueling A-4 20
Sensor - Fuel Level A-4 17 Switch - Refueling Start A-3 18
Sensor - Fuel Press. B-11 H Switch - Refueling Stop A-3 19
Sensor - HEUI Rail Press. B-11 42 Switch - S - DBL Action Exchange D-3 A
Sensor - lAP Cont. Valve A-11 H Switch - Seat Heater D-3 A
Sensor - Intake Air Temp. B-11 H Switch - Secondary Shutdown G-5 47
Sensor - Negative Cont Press. 1 A-12 F Switch - Speed Change H-2 B
Sensor - Negative Cont Press. 2 A-12 F Switch - Starter H-1 B
Sensor - Pump Discharge Press 1 A-9 F Switch - Straight Travel Press. I-1 D
Sensor - Pump Discharge Press 2 A-9 F Switch - Travel Left Press. I-2 D
Sensor - Speed E-11 H Switch - Travel Right Press. I-2 D
Sensor - Squeeze Press. B-5 16 Switch - Under Window Limit F-1 A
Sensor - TDC Probe A-11 H Switch - Window Limit G-1 A
Sensor - Tool Press. B-9 G Timer Lamp Delay I-8 E
Sensor - Turbo Outlet Press. B-11 45 Unit Air Conditioner D-6 28
Sensor - WTR Separator Level I-7 15 Unit Heater D-6 28
Socket - 12V 7A F-4 A Unit IND H-1 B
Solenoid - 1 P - 2P Exchange 1 H-7 F Wiper Cont. F-2 A
Machine locations are repeated for components located close together.
A = Located inside of cab. F = Located inside of pump compartment
B = Located inside of right console. G = Located around control valve
C = Located inside of left console. H = Located behind engine
D = Located under platform. J = Located around solenoid block inside of pump compartmentE = Located around relay panel.
Connector LocationConnector Number Schematic
LocationMachine Location
CONN 1 ET CONN I-12 ECONN 2 C-11 HCONN 3 G-10 ECONN 4 G-10 ECONN 5 G-9 ECONN 6 D-9 51CONN 7 D-8 52CONN 8 G-8 ECONN 9 G-8 ECONN 10 H-6 13CONN 11 H-6 13CONN 12 H-6 13CONN 13 F-6 DCONN 14 E-6 2CONN 15 A-6 FCONN 16 F-5 DCONN 17 I-5 DCONN 18 F-4 ACONN 19 E-4 ACONN 20 E-4 ACONN 21 I-3 DCONN 22 I-3 DCONN 23 H-3 DCONN 24 H-3 DCONN 25 H-3 DCONN 26 H-3 DCONN 27 G-3 DCONN 28 C-3 22CONN 29 C-3 53CONN 30 C-3 54CONN 31 C-2 23CONN 32 F-1 A
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.
Code Description of Problems1301 Engine oil pressure is too low.1302 Engine coolant temperature is too high.1303 Hydraulic oil temperature is too high.1304 Air filter is clogged.1305 Battery voltage is not normal.2201 Governor actuator feedback sensor circuit is open or shorted to battery voltage.2202 Governor actuator feedback sensor circuit is shorted to body ground.2301 Governor actuator feedback signal is not stable.2302 Governor actuator feedback signal deviates.2303 Governor actuator does not move.2304 Calibration data error.3201 Monitor RAM is not normal.4101 Electric power supply to the controller is too much (43 volts).4102 Over-current in proportional reducing valve.4103 Proportional reducing valve circuit is open.4104 Monitor power supply (digital output) over current.4105 Over-current in digital output (trenching solenoid).4106 Over-current in digital output (fine control solenoid).4107 Over-current in digital output (travel speed change solenoid).4108 Over-current in digital output (travel alarm).4109 Spare solenoid 1 (digital output) over current.410A Over-current in digital output (swing brake solenoid).410B Spare solenoid 2 (digital output) over current.4201 Engine speed is not normal.4202 Engine coolant temperature sensor is shorted to body ground.4203 Hydraulic oil temperature sensor is shorted to body ground.4204 PWM sensor of pump delivery pressure is shorted to body ground.4205 Spare PWM sensor 1 is shorted to body ground.4206 Spare PWM sensor 2 is shorted to body ground.4207 PWM sensor of pump delivery pressure is open in circuit.420A Fuel sensor is shorted to body ground420B Fuel sensor is open or shorted to battery voltage.420C Electric power supply is to low (below 23 volts).420D Electric power supply is to high (above 32 volts).420E Engine speed dial is not in one of the 10 specified positions.4301 Data mismatch 1 between alternator and speed sensor (alternator is abnormal).4302 Data mismatch 2 between alternator and speed sensor (speed sensor is abnormal).4303 Engine stalls.A201 Monitor communication is not normal.A202 Monitor takes too much time to respond to controller's signal.A203 Communication is abnormal in controller.A20D ADEM communication disconnect.
Real Time Error Codes
Related Electrical Service ManualsForm Number
Alternator: 9W-3043 SENR3685 Electric Starting Motor: 6V-5539
Consist: 106-8554 SENR3581 Consist: 6V-5582 SENR4975
Engine/Pump Control: 157-3165 RENR3814Starting and Charging: RENR3814
Title
Component Identifiers (CID¹) ForEngine/Pump Control (MID² No. 69)
CID Component91 Throttle Position Signal96 Fuel Level Sensor110 Engine Coolant Temperature Sensor167 Alternator168 Voltage Of The Power Supply (keyswitch)190 Speed Sensor254 Electronic Control Module (ECM)271 Action Alarm286 Signal For Engine Oil Pressure Decrease374 Swing Brake Solenoid376 Travel Alarm
581 Proportional Reducing Valve For The Power Shift Pressure
586 Engine Speed Dial
588 Abnormal Communication Between Controller And Monitor
590 Engine Control598 Travel Speed Solenoid600 Hydraulic Oil Temperature Sensor1161 Pump Delivery Pressure Sensor (Drive)1162 Pump Delivery Pressure Sensor 2 (Idle)1525 Straight Travel Solenoid
Component Identifiers (CID¹) ForEngine Control (MID² No. 24)
CID Component1 Injector Solenoid 1st Cylinder2 Injector Solenoid 2nd Cylinder3 Injector Solenoid 3rd Cylinder4 Injector Solenoid 4th Cylinder5 Injector Solenoid 5th Cylinder6 Injector Solenoid 6th Cylinder41 8V + Power Supply42 Injector Actuation Control Valve94 Fuel Pressure Sensor100 Engine Oil Pressure Sensor164 Injector Pressure Sensor172 Inlet Air Temperature Sensor175 Engine Oil Temperature Sensor253 Personality Module261 Timing Sensor Calibration262 Analog Sensor Power Supply Voltage273 Turbocharger Compressor Outlet Pressure Sensor274 Atmospheric Pressure Sensor342 Speed Timing Sensor617 Air Heater Relay1627 Fuel Pump Relay
Module Identifiers (MID) MID No. Module
69 Engine/Pump Controller6A Tool Controller1E Monitor Panel24 Engine Controller
¹ The CID is a diagnostic code that indicates which component is faulty.² The MID is a diagnostic code that indicates which electronic control modulediagnosed the fault.
Off Machine Switch SpecificationPart No. Function Actuate Deactuate Contact Position154-0498 Air Cleaner 635 mm H2O — Normally Open
167-3466
Hammer Pressure (ATCH)Joystick PressureMedium Line Pressure (ATCH)Travel Left PressureTravel Right PressureStraight Travel Pressure (ATCH)
490 ± 49 kPa(71 ± 7 psi)
290 kPa MIN(42 psi MIN) Normally Open
Resistor, Sender and Solenoid SpecificationsPart No. Component Description Resistance (Ohms)¹102-8016 Resistor 47 ± 2.4
163-6816 Resistor- Main Relay (ATCH) 48 ±2.4
107-7056 Solenoid- Fine Swing (ATCH) 34 ± 0.5
111-9916 Solenoid-
Separate Valve (ATCH)Stem 4 Control (A) (ATCH)Stem 4 Control (B) (ATCH)Stem 1 Control (A) (ATCH)Stem 1 Control (B) (ATCH)Stem 2 Control (A) (ATCH)Stem 2 Control (B) (ATCH)Stem 3 Control (A) (ATCH)Stem 3 Control (B) (ATCH)Power Shift Control
11.7 ±1.2
112-0090 Solenoid- Relief 1 (ATCH)Relief 2 (ATCH)
19.5 ± 2
121-1491 Solenoid-
Travel StraightSwing BrakeTravel SpeedHyd Lock
32.0 ± 3.2
165-9549 Solenoid-1 Pump-2 Pump Exchange 1 (ATCH)1 Pump-2 Pump Exchange 2 (ATCH)Double Action (ATCH)
32 ± 3.2
171-0114 Solenoid-Primary NFC (ATCH)Pump 1 Flow Control (ATCH)Pump 2 Flow Control (ATCH)
11.5 ± 0.5
171-0188 Solenoid- Flow Limit (ATCH) 11.5 ± 0.5
4I-5394 Sender- Hyd Oil Temp 6134 to 7496
¹ At room temperature unless otherwise noted.
1010
66
Machine Harness Connector And Component Locations
AA
BB
CC
DD
GG
33
33
66
11
44
1111
55
55
1010
1717
FF
1212
1313
11
1111
1515
1414
HH
1313
1212
EE
44
77
77
77
88
88
88
99
99
99
1717
1515
2424
2424
2525
2525
2828
2828
3636
3636
3737
3737
3838
3838
3939
3939
4040
4040
4141
4141
4242
4242
4343
4343
4444
4444
4545
4545
4646
4646
4747
4747
4848
4848
4949
4949
5050
5050
1818
1818
1919
1919
22
22
14141616
1616
2626
2626
2727
2727
2929
2929
2121
2121
3030
3030
3131
3131
3333
3333
3434
3434
3232
3232
3535
3535
2020
2020
5151
5151
5252
5252
2222
2222
5353
5353
5454
5454
2323
2323
A AA
1
2
325-PK-14
200-BK-14
T
This indicates that the component does not have a wire connected to ground. It is grounded by being fastened to the machine.
This indicates that the component has a wire connected to it that is connected to ground.
105-9344
T
Normally open switch that will close with an increase of a specific condition (temp-press-etc.).The circle indicates that the component has screw terminals and a wire can be disconnected from it.
Pin Socket Fuse
Component Part Number
Pin or SocketNumber
Receptacle
Plug
Wire Gauge
Wire, Cable, or Harness Assembly IdentificationWire Color
Normally closed switch that will open with an increase of a specific condition. No circle indicates that the wire cannot be disconnected from the component.
Single Wire
Connector
Circuit Number Identification
Ground Connection
PressureSymbol
TemperatureSymbol
LevelSymbol
FlowSymbol
Circuit BreakerSymbol
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.
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 Symbols
Electrical Schematic Symbols And Definitions
1 12 2
Typical representation of a Sure-Seal connector. The plug and receptacle contain both pins and sockets.
Typical representation of a Deutsch connector. The plug contains all sockets and the receptacle contains all pins.Failure Mode Identifiers (FMI)¹
FMI No. Failure Description0 Data valid but above normal operational range.1 Data valid but below normal operational range.2 Data erratic, intermittent, or incorrect.3 Voltage above normal or shorted high.4 Voltage below normal or shorted low.5 Current below normal or open circuit.6 Current above normal or grounded circuit.7 Mechanical system not responding properly.8 Abnormal frequency, pulse width, or period.9 Abnormal update.10 Abnormal rate of change.11 Failure mode not identifiable.12 Bad device or component.13 Out of calibration.
¹The FMI is a diagnostic code that indicates what type of failure has occurred.
AM
AM
FUSE
5A 141-2759
10A 113-8490
15A 113-8491
30A 124-3548
FUSE BASE
183-1000
AN
ANAN
DIOD E
197-4385
AM
A
329-
YL-
18
Y
BK-18
168-
RD
-18
AN 193-3388 C-2
AM 204-1816 G-5
BK-18
C
B
A
B
C
A
998-BR-18
H477-YL-18
H478-BU-18
H478-BU-18
H477-YL-18
998-BR-18
1 AP CONT
VALV EE797-WH-18
E798-PK-18 1
2
E797-WH-18
E798-PK-18
E795-YL-18 E795-YL-18
G833-PK-18
1 APC
OIL GRADE CODE 2
1 APC
OIL GRADE CODE 1
OIL TEMP
OIL TEMP
DIGITAL RETURN
BOOST PRESS
BOOST PRESS
BRAKE RETURN 1
BRAKE RETURN 2
BRAKE RETURN 3
BRAKE RETURN 4
BRAKE RETURN 5
BRAKE RETURN 6
INJECTOR RETURN 1
INJECTOR BRAKE 1
INJECTOR BRAKE 2
INJECTOR RETURN 2
INJECTOR RETURN 3
INJECTOR BRAKE 3
INJECTOR BRAKE 4
INJECTOR RETURN 4
INJECTOR RETURN 5
INJECTOR BRAKE 5
INJECTOR BRAKE 6
INJECTOR RETURN 6
235-
BK
-18
235-
BK
-18
SECONDARY
SHUTDOWN SW
4D-1836
235-
BK
-18
235-
BK
-18
235-
BK
-18
21F
716-
WH
-18
F71
6-W
H-1
8F
716-
WH
-18
F716-WH-18
F71
6-W
H-1
F71
6-W
H-1
8
F716-WH-18
15A
10A
200-
BK
200-
BK
L68
L68
L67 L67
L67
L67
L66
L66
L66
L65
L65
L65
L64
L64
L63
L63
L62
L62L62
L61
L61
L61
L61
L60
L60
L60
L60
L59 L59 L59 L59
L58
L59
L59
L59
L58
L58
L58L58
L57
L57L57
L56 L56
L56
L55
L55 L55
L55
L54
L54
L54
L54
L53
L54
L53
L53
L53
L52
L52
L52
L52
L51
L51
L51
L51L5
1
L51L51
L51
L50
L50 L50
L50
L49
L49
L49 L49
L49
L48
L48
L48
L47
L47 L 47
L47
L47
L47
L46
L46 L46 L46
L45
L45
L45
L45
L44
L44
L44
L44
L44
L44
200-BK-18200-BK-18
L43
L43
L43 L43 L43
L42 L42 L42
L42
L42
105-RD
L41
L41
L41
L40 L40 L40
L40
L40 L40
L39
L39
L39
L39
L39
L38
L38
L38
L38
L37
L37
L37
L37
L37
L37
L36
L36
L36
L36
L36
L35
L35
L35
L35
L35
L34
L34
L34
L34
L34
L34
L33
L33
L33
L33 L33
L33
L32
L32
L32
L32 L32 L32
L31
L31
L31
L31
L31L31
L30
L30 L30L30L30
L29
L29
L29
L29 L 29
L28L28L28L28
L27L27
L26
L26
L26L26
L25
L25
L25
L25
L25
L25
L25
L25
L25
L24
L24
L24
L24
L24L24
L23
L23
SENSOR COMMON
SENSOR SIGNAL
L23
L22
L22
L22
L21 L21 L 21
L21
L20L20L20
L19
L19
L19 L19 L19
L19
L18
L18
L18
L18 L18
L17
L17
L17
L17 L 17
L17 L17
L16
L16
L16
L16
L16
L16 L 16
L15
L15
L15
L15 L 15
L15
L14
L14
L14 L14
L13
L13
L13
308-
YL
L13
L13
L13 L13
L12
L36
L12L12
L11
L11
L11
L11
L10
L9
L10
L10
L9
L9
L8
L8L8
201-BK-18
L7
L7L7
L7
L6 L7
L7
L7
L7L6
L6L6
103-
RD
L5L5
L5L5L5
L4
L4 L4L4
L3
L3 L3 L3
L2
L2L2
L2
L2
L2
L1
684-RD-18
616-
BU
607-
PK
130-RD-14
151-GN
115-
RD
114-
RD
189-
RD
151-
GN
684-
RD
-18
114-
RD
189-
RD
168-RD-10
109-RD-4
101-RD-4
L1
147-
PU
L1
188-WH-18
306-
GN
229-
BK
-18
200-
BK
-18
168-
RD
-10
109-
RD
-4
101-
RD
-4
101-RD-4
109-RD-4
168-RD-10
160-PU 160-PU
188-
WH
-18
188-WH-18
235-BK-18
308-YL
200-BK
308-YL
147-
PU
200-BK
229-
BK
-14
T962-WH-18
T956-GY-18
T961-GN-18
T955-GN-18
T960-BU-18
T954-GY-18
T959-BR-18
T953-BU-18
T958-YL-18
T952-BR-18
T957-PU-18
T951-YL-18
K860-BU-18
K86
0-B
U-1
8
235-BK-14
235-BK-18
308-YL
308-
YL
308-
YL
308-YL
200-BK
200-
BK
235-
BK
-14
147-
PU
235-BK-1 4
780-PU-18
235-BK-14
235-
BK
-14
K84
9-Y
L-18
308-YL
308-YL
308-
YL
308-
YL
308-
YL
105-
RD
200-
BK
-18
200-BK-14
200-BK-14
200-BK-18
200-BK
200-BK
200-BK
179-
BU
120-
YL
200-
BK
-14
200-
BK
-14
169-
PK
-18
511-BR-18
512-GN-18
200-BK-18
615-
YL
103-
RD
200-
BK
-18
200-
BK
-18
K87
2-O
R-1
8
200-
BK
-18
K87
2-O
R-1
8
K870-GN-18
L11
K84
9-Y
L-18
L11
K87
2-O
R-1
8
200-
BK
-18
200-
BK
-18
F774-WH-18
F773-OR-18
235-BK-18
235-BK-18
A768-BU-18
A769-GY-18
615-
YL
200-
BK
-14
200-
BK
-14
200-BK-14
200-BK
201-BK-18
200-
BK
-14
200-
BK
431 2 5 6
200-
BK
-18
200-
BK
200-
BK
200-
BK
-14
A58
3-Y
L-18
K84
9-Y
L-18
G829-GN-18
G829-GN-18
G829-GN-18
K867-YL-18
K867-YL-18
AL 193-3402 G-8
ATCH
HAMMER FOOT SW
138-4653
AL
954-GN
308-YL2
1
CAT DATA LINK + 8
9CAT DATA LINK -
THROTTLE BACKUP (ACCEL) 22
23THROTTLE BACKUP (DECEL)
OIL PRESSURE
IGNITION KEY SW 70
66THROTTLE
OIL PRESSURE
-B 65
63-B
954-
GN
-B 61
53+B
A58
4-B
U-1
8
+B 52
48+B
LOW OIL PRESSURE OUTPUT 28
954-GN954-GN
954-
GN
235-BK-18
A
69
68
2
1
1 2 21
INJECTOR
SOL 1
1 2 21 1 22
954-GN
1
INJECTOR
SOL 2
INJECTOR
SOL 3
INJECTOR
SOL 4
INJECTOR
SOL 5
INJECTOR
SOL 6
E
AK
V C
RELAY PANEL
SENSOR COMMON
+5V
+5V
SENSOR COMMON
SENSOR COMMON
+5V
+5V
SENSOR COMMON
YL
GN OIL TEMP
ATMOSPHERIC
PRESSURE
FUEL
PRESSURE
OIL
PRESSURE
HEUI RAIL
PRESSURE
ENGINE
COOLANT TEMP
K871-WH-18
K871-WH-18
COMMON
IAPC V CONNECTOR
HEP
2
B
AG
1
K879-GN-18
K872-OR-18
AK
200-BK-18
ATCH
MAIN RELAY
159-9108
(NOTE H)
G828-WH-18
G828-WH-18
AK
308-YL
235-BK-18
308-YL
ATCH MAIN RELAY
RESISTOR
163-6616
(NOTE H)
9
6
2
3
4
8
12
1
10
7
5
11
1
8
7
12
3
5
2
4
6
10
9
11
4
2
3
1
191-WH-14
179-BU
150-OR-18
129-BU
123-WH-18
120-YL
124-GN-14
113-OR-18
308-YL
152-BU
147-PU
607-PK
103-RD
175-RD-14
307-OR
118-GY
169-PK-18
645-RD-18
A588-GN
A770-PK-18
615-YL
151-GN
154-RD
105-RD
189-RD
646-RD-18
320-RD-18
C
B
A
K867-YL-18
K854-OR-18
K867-YL-18
K853-GY-18
E471-BU-18
308-YL
235-BK-18
E470-BR-18
308-YL
AJAJ
K86
9-B
U-1
8
4
E471-BU-18
3
1
2
308-YL
K854-OR-18
K853-GY-18
K867-YL-18
E471-BU-18
E470-BR-18
M743-GN-18
E476-PU-18
E475-PK-18
235-BK-18
235-BK-18
E472-GN-18
E472-GN-18
3
1
5
6
4
2
2
4
6
K86
9-B
U-1
8
308-YL
C468-BU-18
200-BK-18
788-YL-18
325-
PK
-18
M73
9-Y
L-18
M73
7-W
H-1
8
M73
8-O
R-1
8
491-
PK
-18
15A
10A
780-
PU
-18
A76
8-B
U-1
8
A76
9-G
Y-1
8
K90
4-G
N-1
8
147-
PU
487-
OR
-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
321-BR-18
235-BK-18
496-WH-18
235-BK-18
A499-BU-18
T967-YL-18
487-OR-18
147-PU
K904-GN-18
A769-GY-18
A768-BU-18
200-
BK
-4
200-BK-4
109-RD-4
H705-BR-18
325-
PK
-18
321-
BR
-18
M73
9-Y
L-18
235-
BK
-18
A49
9-B
U-1
8
496-
WH
-18
495-
GN
-18
147-
PU
M73
8-O
R-1
8
M73
7-W
H-1
8
A76
9-G
Y-1
8
A76
8-B
U-1
8
780-
PU
-18
K90
4-G
N-1
8
T96
7-Y
L-18
491-
PK
-18
487-
OR
-18
1 87 123 52 4 6 109 11
235-BK-18
200-
BK
-18
A27
8-B
K-1
8
101-
RD
-4
109-
RD
-4
A58
8-G
N
322-
GY
607-
PK
616-
BU
130-
RD
-14
101-
RD
-4
168-
RD
-10
304-
WH
-8
H70
5-B
R-1
8
235-
BK
-18
K854-OR-18
K853-GY-18
175-
RD
-14
A58
8-G
N
645-
RD
-18
615-
YL
308-YL
189-
RD
320-
RD
-18
H70
5-B
R-1
8
307-OR
103-
RD
607-
PK
175-RD-14
103-RD
A893-OR-18
A89
3-O
R-1
8
A58
8-G
N
322-
GY
A58
8-G
N
A588-GN
151-GN
154-
RD
A89
3-O
R-1
8
147-
PU
A58
8-G
N
184-
RD
118-
GY
308-
YL
154-
RD
607-
PK
103-
RD
H70
5-B
R-1
8
320-
RD
-18
189-
RD
A893-OR-18
229-BK-18H705-BR-18
188-WH-18
BOOST PRESSURE
HEUI RAIL PRESSURE
1
G855-PU-18
G855-PU-18
G854-PK-18
G854-PK-18
G857-YL-18
G857-YL-18
G856-WH-18
G856-WH-18 E966-YL-18
E966-YL-18 E965-BU-18
E965-BU-18
E964-WH-18E964-WH-18
E963-BK-18E963-BK-18
C967-BU-18C967-BU-18
G833-PK-18
8995-BU-18
G833-PK-18
995-BU-18
2
G828-WH-18
G828-WH-18
G828-WH-18
G829-GN-18
G829-GN-18
G829-GN-18
G828-WH-18
G829-GN-18
A746-PK-18
G849-BR-18
C991-PK-18
A746-PK-18
G849-BR-18
C991-PK-18
G828-WH-18
G829-GN-18
A747-GY-18
G826-BR-18
G827-BU-18
AIR HEATER RELAY G850-BU-18
J702-BK-18
T945-GY-18
T946-PU-18
T947-YL-18
T948-BR-18
T949-BU-18
T950-GN-18
T951-YL-18
T957-PU-18
T952-BR-18
T958-YL-18
T953-BU-18
T959-BR-18
T954-GY-18
T960-BU-18
T955-GN-18
T961-GN-18
T956-GY-18
T962-WH-18
T945-GY-18
T946-PU-18
T947-YL-18
T948-BR-18
T949-BU-18
T950-GN-18
T951-YL-18
T957-PU-18
T952-BR-18
T958-YL-18
308-
YL
AL
K84
9-Y
L-1
8
K849-YL-18
K867-YL-18
K867-YL-18
235-BK-18
E470-BR-18
308-YL
K86
8-B
R-1
8
235-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
K871-WH-18
K871-WH-18
C
506-PU-18
200-BK-18
151-
GN
105-RD
306-GN
229-BK-18
M739-YL-18
A770-PK-18
K84
9-Y
L-18
235-
BK
-18
235-
BK
-18
235-
BK
-18
235-
BK
-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
T953-BU-18
T959-BR-18
T954-GY-18
T960-BU-18
T955-GN-18
T961-GN-18
T956-GY-18
T962-WH-18 13
14
15
16
17
6
5
4
3
T96
2-W
H-1
8
T96
1-G
N-1
8
T96
0-B
U-1
8
T95
9-B
R-1
8
T95
8-Y
L-18
T95
7-P
U-1
8
T95
6-G
Y-1
8
T95
5-G
N-1
8
T95
4-G
Y-1
8
T95
3-B
U-1
8
T95
2-B
R-1
8
T95
1-Y
L-1810
11
12
7
8
9
G850-BU-18
J702-BK-18
F889-WH-18
F889-WH-18
780-PU-18
5A
10A
491-PK-18
235-BK-18
E554-PK-18
WH-18
A/C CLUTCH
SOL
113-3499
(NOTE D)
ENG SPEED
PICKUP
6V-2455
C
1
2
2
1ENG OIL
LEVEL SW
111-4759
C
1
2BK-18
C
MOTOR
CHASSIS
STARTER
MOTOR
6V-5539
304-WH-8G S
MTR BAT101-RD-4
RD-00
RD-00
GROUND STRAP
140-0860
CA
CF(NOTE A)
AF
N
C
M738-OR-18
M737-WH-18
M739-YL-18
235-BK-18
A499-BU-18
235-BK-18
578-BU
496-WH-18
235-BK-18
321-BR-18
235-
BK
-18
235-
BK
-18
403-
GN
-18
E55
4-P
K-1
8
C46
8-B
U-1
8
788-
YL-
18
304-
WH
-8
101-
RD
-4
A58
8-G
N
C
E
AK
E
AKE
AK
E
AK
WF
E
AKWACKCJ
C C
E
AK
E
AK
VC
994-GY-18
308-
YL
118-
GY
G826-BR-18
C
HYD TANK PRESS SW
C
147-PU
ENG/PUMP CONT
157-3165
C
235-
BK
-18
C
A
B
C
AJ
OIL TEMP
C
AJ
AJ
AE
AE
200-BK-14
200-BK-14
200-BK-14
200-BK
200-BK
200-BK
W
W
W
A
B
A
169-PK-18 112-PU-18
L
L A
200-BK-18
G827-BU-18
GN
308-YL
235-BK-18
235-BK-18
C
YL
200-
BK
-18
235-BK-18
A770-PK-18
150-OR-18
105-RD
F,T
F,T
MAIN RELAY
165-4026
(NOTE G)
F,TA
F,TA
235-
BK
-18
235-
BK
-18
U C
C A
235-
BK
-18
235-BK-18
M737-WH-18
C
V
684-RD-18
235-
BK
-18
2
1
C
C
AJ
HHV
A
235-
BK
-18
NOTE H: USE WITH COLD WEATHER FOR JAPAN.
K843-GN-18V
235-
BK
-18
235-BK-18
J
J
A
A
A
J
J
J
J
200-BK
235-BK-18
J
J
3
2 1
12
1110
9
8
7
6
54
3
21
235-BK-18
T
F,T
F,T
F,T
F,T
F,T
CAB
F,T
235-BK-18
ATCH HEATER
SW PANEL
176-2005
780-PU-18ATCH QUICK
COUPLER SOL
Y Y
C
994-GY-18
129-
BU
152-
BU
235-
BK
-18
124-
GN
-14
120-
YL
151-
GN
169-
PK
-18
646-
RD
-18
304-
WH
-8
A77
0-P
K-1
8
179-
BU
147-
PU
191-
WH
-14
168-
RD
-10
K906-GN-18
A768-BU-18
A769-GY-18
F774-WH-18
F773-OR-18
E554-PK-18
147-PU
235-
BK
-18
A747-GY-18
235-
BK
-14
2
F77
4-W
H-1
8
F77
3-O
R-1
8
E55
4-P
K-1
8
K90
6-G
N-1
8
A76
8-B
U-1
88
A76
9-G
Y-1
8
487-
OR
-18
496-
WH
-18
405-
GY
-18
C46
8-B
U-1
8
763-
BU
-18
788-
YL-
18
A76
2-P
U-1
8
M74
0-P
K-1
8
M73
7-W
H-1
8
M73
8-O
R-1
8
321-
BR
-18
A27
8-B
K-1
8
A89
3-O
R-1
8
235-
BK
-18
763-
BU
-18
200-BK-18
K90
6-G
N-1
8
M74
0-P
K-1
8
308-
YL
F88
9-W
H-1
8
405-
GY
-18
F77
3-O
R-1
8
F77
4-W
H-1
8
893-
GN
-18
892-
BR
-18
998-
BR
-18
H70
5-B
R-1
8
130-
RD
-14
1
235-
BK
-18
101-
RD
-4
200-
BK
-18
2
307-
OR
M73
9-Y
L-18
495-
GN
-18
K90
4-G
N-1
8
491-
PK
-18
T96
7-Y
L-18
G833-PK-18
SENSOR SIGNAL
E473-GY-18
SENSOR SIGNAL
SENSOR SIGNAL
WH
SENSOR SIGNAL
YL
YL
SENSOR COMMON
GN
GN
OR
OR
G833-PK-18
OR
OR
BK
BK
SENSOR SIGNAL
WH
K879-GN-18
18
150-
OR
-18
113-
OR
-18
1
235-BK-18
615-
YL
780-PU-18
L973-GN
ATCH RELIEF
CHECK SOL 2
201-9367
K871-WH-18
AJ
E472-GN-18
229-BK-14
304-
WH
-8
64
62
60
ATCH SEPARATE
VALVE SOL
111-9916
(NOTE C)
ATCH STEM 4
CONT SOL(A)
111-9916
(NOTE C)
ATCH STEM 3
CONT SOL(A)
111-9916
ATCH STEM 2
CONT SOL(A)
111-9916
ATCH STEM 1
CONT SOL(A)
111-9916
ATCH STEM 1
CONT SOL(B)
111-9916
ATCH STEM 2
CONT SOL(B)
111-9916
59
58
YL
235-BK-18
57
308-YL
E469-YL-18
56
GN
C
K868-BR-18
55
K856-PU-18
K857-WH-18
54
K868-BR-18
K868-BR-18
K868-BR-18
1
2
2
11
2
G833-PK-18
K868-BR-18
2
1
K868-BR-18
K868-BR-18
K861-GN-18
K860-BU-18
2
1
AF 170-9295 G-1 (NOTE F)
K862-GY-18
GN
K863-OR-18
ATCH STEM 3
CONT SOL(B)
111-9916
K869-BU-18
K869-BU-18
51
50
1
2
YL
ATCH STEM 4
CONT SOL(B)
111-9916
(NOTE C)
2
1
K867-YL-18
1
2
2
1
K869-BU-18
K869-BU-18
K869-BU-18
K859-BR-18
K858-YL-18
A
B
C
GROUND
+B
SIGNAL
ATCH TOOL
PRESS. SENSOR
157-3182
(NOTE C)
BK-18
YL-18
BR-18
K855-PK-18 K855-PK-18
K860-BU-18
K858-YL-18
K863-OR-18
K857-WH-18
K862-GY-18
E469-YL-18
K856-PU-18
K861-GN-18
K859-BR-18
K868-BR-18
K869-BU-18
47
K867-YL-18
K867-YL-18
E470-BR-18
E471-BU-18
K853-GY-18
K854-OR-18
K866-WH-18
K864-PK-18
235-
BK
-14
K865-PU-18
308-
YL
C98
7-R
D-1
4
151-
GN
E472-GN-18
E475-PK-18
E476-PU-18
E473-GY-18
E474-OR-18
K848-WH-18
K844-GY-18
308-YL
2
K843-GN-18
1
AJ
AH 188-9865 C-10
235-BK-18
A537-PK-18
E474-OR-18
E473-GY-18
E476-PU-18
E475-PK-18
E472-GN-18
L13
892-BR-18
RLF CHK V1
1WAY/2WAY CONT SOL
893-GN-18
PUMP2 F1 F CONT PRV
PUMP1 F1 F CONT PRV
NEG CONT PRESS SNSR 2
NEG CONT PRESS SNSR 1
K850-BR-18
PRV RETURN(1)
K851-BU-18
SOL GND3
SOL GND2
ATCH STEM4 CONT PRV(A)
ATCH STEM2 CONT PRV(B)
MASK ENABLE
RS232 GND
ATCH STEM1 CONT PRV(A)
TOOL PRESS SNSR
ATCH STEM4 NEUTRAL
ATCH STEM3 NEUTRAL
ATCH STEM3 CONT PRV(B)
ATCH STEM2 CONT PRV(A)
RS232 TX
RS232 RX
ATCH STEM4 CONT PRV(B)
ATCH STEM3 CONT PRV(A)
ATCH STEM2 NEUTRAL
ATCH STEM1 NEUTRAL
ATCH STEM1 CONT PRV(B)
SEPARATE VALVE PRV
SNSR GND
RS422 TX -
STEM1(SQUEEZE) PRESS SNSR
K867-YL-18
RS422 TX +
RS422 RX -
RS422 RX +
GND
GND
CDL(-)
CDL(+)
K867-YL-18
46
LEFT JOYSTICK
998-BR-18
RIGHT JOYSTICK
K852-GN-18
KEY SW
INTER LOCK
51
50
49
48
47
45
46
45
40
39
38
37
30
44
29
27
GN
YL
18
43
17
8
26
7
35
40
6
16
42
5
54
44
34
31
25
38
31
4
5
6
11
15
17
20
27
21
24
31
32
K849-YL-18
235-BK-1436
K849-YL-18
K852-GN-18
K851-BU-18
K850-BR-18 ATCH STEM 2
ATCH STEM 3
ATCH STEM 4
41
28
42
ATCH STEM 1
12V SPLY
ATCH STEM3 MODULATION
ATCH STEM4 MODULATION
ATCH STEM1 MODULATION
ATCH STEM2 MODULATION
SOL GND4
ATCH2 RLF PRV
ATCH1 RLF PRV
RLF CHK V2
52
32
24
15
3
14
2
43
33
20
19
10
9
22
21
12
11
4
23
53
13
1
235-BK-14
235-BK-14
+B
34
42
43
44
49
50
51
52
8
40
39
30
29
12
37
41
36
35
34
30
16
7
9
10
18
19
35
25
28
53
48
38
27
45
47
1
2
3
22
41
26
36
37
46
54
13
14
23
33
25
K877-BU-18
K876-BR-18
LEFT JOYSTICK
RIGHT JOYSTICK
K848-WH-18
K844-GY-18
K843-GN-18
308-YL
308-YL308-YL
151-GN151-GN
C987-RD-14C987-RD-14
C987-RD-14
5
1
3
235-
BK
-14
235-
BK
-18
CHASSIS
K869-BU-18
+B
BK-00
BK-00
DISCONNECT SW
7N-0718
7N-0719(NOTE A)
GROUND STRAP
132-1806
K851-BU-18
K851-BU-18
K852-GN-18
K852-GN-18
K849-YL-18
K849-YL-18
V
K872-OR-18
ATCH
MEDIUM LINE
PRESS. SW
167-3466
(NOTE M)
A
1
2
586-
BR
235-BK-18
K906-GN-18
A588-GN
763-BU-18
235-BK-18
M740-PK-18
235-BK-18
235-BK-18
235-BK-18
A76
2-P
U-1
8
200-BK-18
200-BK-18
DUAL CAM
SPEED/TIMING
(RUN)
S/T -
235-BK-18
S/T +
235-BK-18
G833-PK-18
1
K854-OR-18
K853-GY-18
308-YL
K867-YL-18
K867-YL-18
788-
YL-
18
E471-BU-18
E470-BR-18
C46
8-B
U-1
8
E55
4-P
K-1
8
308-YL
308-YL
2
6
308-YL
235-BK-18
235-BK-18
235-BK-18
403-
GN
-18
ATCH PUMP 2
FLOW CONT SOL
171-0114
(NOTE C)
1
2
M740-PK-18
235-BK-18
C
B
BR-18
A
YL-18
BK-18
GROUND
SIGNAL
+B
BK-18
ATCH PUMP 1
FLOW CONT SOL
171-0114
(NOTE C)
ATCH NEGATIVE
CONT PRESS .
SENSOR 1
157-3128
(NOTE C)
2
1
SIGNAL
+B
GROUNDC
B
A
BR-18
ATCH NEGATIVE
CONT PRESS .
SENSOR 2
157-3128
(NOTE C)
SENSOR COMMON
235-BK-18
+5V
892-BR-18
K906-GN-18
893-GN-18
235-BK-18
200-BK-18
200-BK-18 2
1
2
K866-WH-18
K865-PU-18
1
K870-GN-18
ATCH S ACTION
SOL 1
201-9367
U
U
ATCH S ACTION
SOL 2
201-9367
ATCH 1WAY/2WAY
CONT SO L
201-9367
ATCH RELIEF
CHECK SOL 1
201-9367
ATCH
RELIEF SOL 2
112-0090
ATCH
RELIEF SOL 1
112-0090K870-GN-18
V
12
K864-PK-18
21
V
M906-BU-18
V
2
1
21
V
235-BK-18
235-BK-18
235-BK-18
308-YL
V
2
1
F889-WH-18
CHASSIS
ATCH
FINE SWING SOL
107-70562
1
200-BK
200-BK
L973-GN
763-BU-18
109-
RD
-4
A76
2-P
U-1
8
A762-PU-18
A
A F,T
M
M
M
308-
YL
XX
AJ
1
2
496-WH-18
322-GY
616-BU
325-
PK
-18
L973
-GN
168-
RD
-10
607-
PK
322-
GY
616-
BU
322-GY
616-BU
325-PK-18
168-RD-10
607-PK
308-
YL
200-
BK
-14
200-BK-10
200-BK
200-BK
200-BK
200-
BK
-14
998-BR-18
308-YL
A
C
B
K879-GN
K872-OR
K871-WH
123-
WH
-18
2
1
ATCH DBL ACTION
SOL
165-9549
U
101-
RD
-4
506-PU-18
578-BU
320-
RD
-18
147-PU
147-PU
147-PU
607-
PK
ATCH BATTERY
3T-5760
(NOTE A)
BATTERY
3T-5760
ATCH WTR
SEPARATOR
LEVEL SNSR
WASHER
7T-8890
ACL SW
154-0498
SENSOR SIGNAL
TURB
OUTLET
PRESSURE
TDC PROBETDC +
TDC -
1
USER DEFINED SHUTDOWN
229-BK-14
L13
229-BK-14
229-BK-14
ENG CONT GND
2
A
B
49
C
2
1
SENSOR COMMON
SENSOR SIGNAL
412-
BU
-18
235-
BK
-18
578-
BU
235-
BK
-18
506-
PU
-18
430-
BU
-18
147-
PU
G97
6-B
U-1
8
578-BU
430-BU-18
G97
6-B
U-1
8
147-
PU
200-BK-18
235-
BK
-18
G97
6-B
U-1
8
147-
PU
430-
BU
-18
235-BK-18
506-
PU
-18
578-
BU
ATCH LOWER
WASHER
7T-8890
COOLANT
LEVEL SW
096-0744
32
26
33
67
29
130-
RD
-14
616-
BU
235-
BK
-14
893-
GN
-18
892-
BR
-18
607-
PK
105-
RD
615-
YL
80A
200-BK-18ALT BREAKER
171-2210
200-BK-18
147-PU
4
OPTION V SW(2)
OPTION PWM IN(1)
+12V SPLY
O.L.W.D PRESS SNSR
ANLG SNSR RETURN
OPTION V SW(1)
HEATER RLY/STARTER RLY
SNSR RETURN
PRV RETURN(4)
FAN MOT CONT PRV
PRV RETURN(3)
OPTION CONT PRV(2)
OPTION CONT PRV(1)
PUMP DISCH (2) PRESS SNSR
HYD OIL TEMP SNSR
PUMP DISCH (1) PRESS SNSR
FUEL LEVEL
PRV RETURN(2)
TRAVEL ALM
PRIM NFC PRESS PRV
FLOW LIMIT PRESS PRV
TRAVEL STR SOL
GOV FDBK
COOL TEMP SNSR
SP SNSR(+)
T967-YL-18
491-PK-18
K904-GN-18
495-GN-18
M739-YL-18
321-BR-18
M738-OR-18
25 3
A762-PU-18
788-YL-18
763-BU-18
FREE SWING
BKUP SW
GOV COMMAND
ALT R TERM
403-GN-18
M736-BU-18
K907-BU-18
L969-WH-18
L968-OR-18
H466-BU-18
H465-GN-18
H467-WH-18
410-WH-18
L973-GN
L973
-GN
SP SNSR(-)
M736-BU-18
403-GN-18
403-
GN
-18
403-
GN
-18
403-
GN
-18
403-GN-18
308-
YL
M736-BU-18
L973
-GN
L973
-GN
24
21
L973-GN
TRAVEL SP CHG SOL
M738-OR-18
892-
BR
-18
FAULT ALM
TRAVEL MODE IND
TRAVEL ALM CANCEL IND
AEC MODE IND
PRV RETURN(1)
PS CONT PRV
SWING BK CANCEL SOL
410-WH-18
H467-WH-18
H465-GN-18
H466-BU-18
L968-OR-18
L969-WH-18
K907-BU-18
27
38
53
YL
42
41
GN
OR
32
51
50
49
GN
YL
43
33
34
48
2
1
S/T +
54
S/T - DUAL CAM
SPEED/TIMING
(CRANK )
46
31
28
52
5
12
11
26
18
3
45
39
412-
BU
-18
30
20
17
21
10
22
40
37
13
9
8
1
36
29
25
16
SW RETURN
CREEPER TRAVEL FUNCTION SW
OVER LOAD ALM CANCEL SW
A49
9-B
U-1
8
OPTION SW
AUTO LUB FAILURE
SPL FLTR PLUGGED
F SEC FLTR PLUGGED
F PRIM FLTR PLUGGED
49
6
44
34
35
15
3
25
24
17
16
37
36
27
26
7
8
5
52
51
HYD. OIL LEVEL SW 496-WH-18
ENG OIL PRESS SW
ENG OIL LEVEL SW
41 405-GY-18
M737-WH-18
C468-BU-18
M740-PK-18
235-BK
235-BK
23KEY SW ON
GND
GND
ACL PLUGGED
WTR SEPARATOR LEVEL SW
CAPSULE FLTR PLUGGED
COOL. LEVEL SW
20
308-YL
235-
BK
19
18
17
235-
BK
31
42
47
430-BU-18
G976-BU-18
487-OR-18
412-BU-18
308-YL
1264
16
35
15
14
13
12
11
10
7
6
5
4
3
2
1
SHARED WITH TDC CAL
39
NOT AVAILABLE-USED ON J2
NOT AVAILABLE-USED ON J2
ANALOG SENSOR POWER
K85
2-G
N-1
8
K85
2-G
N-1
8
K85
2-G
N-1
8
ENG BLOCK
K85
1-B
U-1
8
K85
1-B
U-1
8
K85
1-B
U-1
8
STRAP
K84
9-Y
L-18
K84
9-Y
L-18
K84
9-Y
L-18
184-
RD
K872-OR-18
AIR HEATER RELAY
893-
GN
-18
893-GN-18
893-
GN
-18
893-
GN
-18
893-
GN
-18
893-
GN
-18
893-GN-18
892-
BR
-18
892-BR-18
892-
BR
-18
892-
BR
-18
892-
BR
-18
892-
BR
-18
892-BR-18
235-
BK
-14
308-YL
893-
GN
-18
892-
BR
-18
K85
0-B
R-1
8
AIR HEATER CONTROLLER
+B
+B
184-RD
184-RD
A53
7-P
K-1
8
ATCH STEM 2 SWING CANCEL
CAT DATA LINK(-)
CAT DATA LINK(+)
K850-BR-18
892-BR-18
893-GN-18
CA CC
CC
H473-BR-18
CE
TRAVEL STR PRESS SW 53
CG
ATCH STEM 1 SWING CANCEL
ATCH STEM 3 SWING CANCEL
ATCH STEM 4 SWING CANCEL
CF
CG
CH
E
AK
U 193-3397 F-6
K849-YL-18
K851-BU-18
184-
RD
CJ CL
CL
CE
K852-GN-18
184-
RD
184-
RD
CH
CK
E
AK
E
AK
E
AK
JOYSTICK PRESS SW
TRAVEL LEFT PRESS SW
TRAVEL RIGHT PRESS SW
ONE TOUCH LO IDLE SW
THRT POS 1
THRT POS 2
WC
THRT POS 3
THRT POS 4
E
AK
TRAVEL ALM CANCEL SW
AEC MODE SW
TRAVEL MODE SW
200-BK-18
H476-WH-18
H475-BU-18
H474-GN-18
L972-BU-18
A755-PK-18
A756-BU-18
C
A757-GY-18
A588-GN
A758-BR-18
M741-GY-18
M742-PU-18
M734-BR-18
C
YL
GN
101-
RD
-4
YL
GN
ATM PRESSURE
235-BK-18
19
68
55
67
54
47
39
46
38
45
V
V
V
37
44
36
2
6
47
44
35
V
V
66
SHARED WITH TDC CAL
65
29
28
21
20
9
12
41
235-BK-18
56
23
15
3
24
14
34
COOLANT TEMP
24
14
THROTTLE RETURN
19
7
4
V
AHAHAH
4
42AHAH
10
2
13
16
5
15
11
17
6
27
7
40
308-YL
30
31
33
25
18
1
8
AH
43
32
50
51
52
35 INTAKE AIR TEMPSENSOR SIGNAL
53
SENSOR COMMON57
49
1
AH
2
308-YL
235-
BK
-18
38
32
E470-BR-18
40
50
AG
V
54
14
4
2
K882-BU-18
48
V
13
V
V
18
1
E
AK
WG
58
OIL PRESSURE
FUEL PRESSURE
63
64
K882-BU-18
CRANK
TDC PROBE 22
23TDC PROBE
INTAKE AIR TEMP
RUN
69
70
235-
BK
-18
CONN HEP 61
62CONN HEP
43
CRANK 59
60
E
AK
E
AK
200-BK-18
E
AK
RUN
WE
33
WA
26
28
45
46
29
30
39
11
9
10
WC
19
20
22
12
21
K852-GN-18
K851-BU-18
K849-YL-18
48
T96
7-Y
L-18
H476-WH-18
H475-BU-18
H474-GN-18
L972-BU-18
A755-PK-18
1
2
A756-BU-18
A757-GY-18
A758-BR-18
K907-BU-18
L969-WH-18
L968-OR-18
+B
H466-BU-18
H465-GN-18
M741-GY-18
M742-PU-18
M734-BR-18
H467-WH-18
410-WH-18
H473-BR-18
C C
C
C
SIGNAL
GROUND
A
B
AC
B
C
C
119-
PK
-18
GROUND
235-
BK
-18
WIRE AS.
183-4878
AIR HEATER
235-
BK
-18
C
M73
6-B
U-1
8
235-
BK
-18
235-
BK
-18
235-
BK
-14
+B
SIGNAL
1
2
21
PUMP DISCHARGE
PRESS. SENSOR 2
157-3182
PUMP DISCHARGE
PRESS. SENSOR 1
157-3182 ATCH
PRIMARY
NFC SOL
171-0114
(NOTE C)
ATCH
FLOW LIMIT
SOL
171-0188
POWER SHIFT
CONT SOL
111-9916
235-BK-18
235-BK-14
235-BK-18
235-BK-18
308-YL
235-BK-14
235-BK-18
E47
2-G
N-1
8
12V 7A X2 (NOTE E)
(NOTE B)
E47
2-G
N-1
8
K84
8-W
H-1
8
E47
6-P
U-1
8
E47
5-P
K-1
8
K84
4-G
Y-1
8
E47
4-O
R-1
8
ATCH LEFT
FOOT PEDAL
(NOTE C)
235-
BK
-18
200-BK-18
235-
BK
-18
E47
2-G
N-1
8
E47
2-G
N-1
8
F88
9-W
H-1
8
E47
2-G
N-1
8
K84
3-G
N-1
8
E47
3-G
Y-1
8
E47
2-G
N-1
8
235-
BK
-18
M74
0-P
K-1
8
322-
GY
403-GN-18
ATCH RIGHT
FOOT PEDAL
(NOTE C)
235-
BK
-18
235-
BK
-18
E47
2-G
N-1
8
F88
9-W
H-1
8
E47
3-G
Y-1
8
K84
3-G
N-1
8
235-BK-18
200-
BK
-18
E47
2-G
N-1
8
E47
2-G
N-1
8
235-
BK
-18
235-
BK
-18
E47
5-P
K-1
8
607-
PK
E55
4-P
K-1
8
175-
RD
-14
A499-BU-18
124-
GN
-14
200-
BK
-14
200-
BK
-14
2 61 534
THROTTLE POWER
235-
BK
-14
ANALOG SENSOR RETURN
BB
308-YL
BR
235-
BK
-18
G
ENG CONT
157-3165
R/L R
780-PU-18
F889-WH-18
ATCH
HEATER UNIT
164-0490
A/C UNIT
161-3779
200-
BK
-14
E554-PK-18
K879-GN
K86
8-B
R-1
8
K872-OR
K871-WH
403-GN-1
506-PU-18
578-BU
310-PU
892-BR-18
893-GN-18
410-WH-18
H467-WH-18
M734-BR-18
M742-PU-18
M741-GY-18
H465-GN-18
K872-OR-18
ATCH
VALVE CONT
H466-BU-18
235-BK-18
E47
6-P
U-1
8
235-BK-18
K849-YL-18
780-PU-18
326-RD
K906-GN-18
A768-BU-18
A769-GY-18
L968-OR-18
L969-WH-18
K907-BU-18
M736-BU-18
F774-WH-18
F773-OR-18
A758-BR-18
A757-GY-18
A756-BU-18
A755-PK-18
L972-BU-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
H474-GN-18
H475-BU-18
H476-WH-18
K852-GN-18
K86
1-G
N-1
8
1
2
235-BK-18
U
H473-BR-18
39
200-BK-18
38
37
54
27
26
25
28
52
50
51
53
40
229-BK-14
41
49
21
17
M736-BU-1
16
15
19
20
1
2
F889-WH-18
33
18
29
30
K85
6-P
U-1
8
42
43
44
48
47
46
8
9
10
14
13
12
11
7
235-
BK
-18
998-BR-18
22
35
998-BR-18
34
3
2
36
23
K86
2-G
Y-1
8
K85
7-W
H-1
8
A49
9-B
U-1
8
24
32
4
6
5
K85
8-Y
L-18
K86
0-B
U-1
8
C
31
45
235-
BK
-18
1
496-
WH
-18
308-
YL
B
405-GY-18
998-
BR
-18
780-
PU
-18
998-BR-18
ENG CONT
607-
PK
175-
RD
-14
175-RD-14
124-GN-14
124-
GN
-14
130-RD-14
607-PK
607-PK
607-PK
607-PK
308-YL
308-YL308-YL
147-PU
645-RD-18
103-RD
152-BU
129-BU
113-OR-18
646-RD-18
118-GY
615-YL
123-WH-18
191-WH-14
A588-GN
150-OR-18
105-RD
307-OR
A770-PK-18
169-PK-18
169-PK-18169-PK-18
189-RD
151-GN
154-RD
320-RD-18
120-YL
179-BU
K851-BU-18
L973-GN
K879-GN
K872-OR
K871-WH
403-GN-18
506-PU-18
235-BK-18
321-
BR
-18
A
780-
PU
-18
645-RD-18
GROUND
578-BU
2
1
WH AJ
310-PU
892-BR-18
893-GN-18
410-WH-18
H467-WH-18
M734-BR-18
M742-PU-18
M741-GY-18
H465-GN-18
H466-BU-18
A499-BU-18
130-RD-14
147-PU
L973-GN
L973-GN
103-RD
152-BU
129-BU
113-OR-18
646-RD-18
V
200-BK
235-
BK
-18
200-BK-18
200-BK-18
118-GY
615-YL
123-WH-18
191-WH-14
A588-GN
607-PK
169-PK-18
307-OR
575-YL-18
A537-PK-18
200-BK-14
200-BK-14
607-PK
307-OR
307-OR
307-OR
307-OR
780-PU-18
135-
BU
210-
BK
C56
9-Y
L
229-
BK
575-YL-18
535-BU
576-PK-18
200-BK-18
K876-BR-18
200-BK-18
200-BK-18200-BK
V
V
V
535-BU
ATCH
TRAVEL ALARM
3E-7738
AJ
1
2
576-PK-18
578-BU
535-BU
152-BU
892-BR-18
893-GN-18
645-RD-18
506-PU-18
403-GN-18
129-BU
410-WH-18
103-RD
103-RD103-RD
103-RD
130-RD-14
A537-PK-18
L973-GN
118-GY
H466-BU-18
H465-GN-18
M741-GY-18
M742-PU-18
M734-BR-18
646-RD-18
H467-WH-18
113-OR-18
235-
BK
-14
607-PK
607-PK
607-PK-18
607-PK-18
607-PK
576-PK-18
123-WH-18
310-PU
307-OR
K879-GN
K872-OR
K871-WH
147-PU
200-BK-14
200-BK-14
V
A58
9-O
R-1
4
607-
PK
-18
147-
PU
147-
PU
586-BR
130-RD-14
A58
3-Y
L-18
235-BK-18
607-PK
130-RD-14
130-RD-14
511-BR-18
512-GN-18
A583-YL-18
A590-BU-14
A589-OR-14
A584-BU-18
191-WH-14
A588-GN
FUEL PUMP188-WH-18
200-BK
200-BK-14
200-BK-14
200-BK-18
AE
200-BK
200-BK
200-BK-18
L973-GN
235-BK-18
235-
BK
-18
3
F889-WH-18
A584-BU-18
200-BK-18
200-BK
200-BK
615-YL
615-YL
191-WH-14
A588-GN
135-BU-14
5 8 10 47 31 9 26
210-BK-14
229-BK-14
C569-YL-14
586-BR
200-
BK
-18
C56
0-O
R-1
8
C56
6-P
K-1
8
586-BR
576-
PK
-18
191-
WH
-14
169-
PK
-18
123-
WH
-18
310-
PU
307-
OR
K87
9-G
N
K87
2-O
R
K87
1-W
H
A53
7-P
K-1
8
147-
PU
147-
PU
147-
PU
147-
PU
A59
0-B
U-1
4
147-
PU
607-
PK
575-YL-18
152-BU
103-RD
892-BR-18
893-GN-18
578-BU
535-BU 535-BU
C53
8-O
R-1
8
C53
7-G
N-1
8
Y 204-1686 B-2
235-
BK
-18
607-
PK
-18
607-
PK
-18
K87
1-W
H
147-
PU
200-
BK
-18
200-
BK
-18
K87
2-O
R
K87
9-G
N
A59
0-B
U-1
4
147-
PU
147-
PU
607-
PK
-18
607-
PK
-18
607-
PK
-18
607-
PK
-18
607-
PK
-18
607-
PK
-18
607-
PK
-18
607-
PK
-18
200-
BK
-18
200-
BK
-18
200-
BK
-18
200-
BK
-18
200-
BK
-18
200-
BK
-18
200-
BK
-18
200-
BK
-18
235-
BK
-18
235-
BK
-14
CHASSIS
235-
BK
-14
E471-BU-18
200-
BK
-18
K870-GN-18
K870-GN-18
235-BK-18
K870-GN-18
200-BK-18
200-BK
M906-BU-18
200-BK
CAB
CAB
5A
CAB
OPERATOR STATION
ATCH
12V 7A SOCKET
121-0987 (NOTE E)
CAB
A53
7-P
K-1
8
123-
WH
-18
191-
WH
-14
578-
BU
607-
PK
-18
607-
PK
-18
607-
PK
-18
607-
PK
-18
607-
PK
-18
607-
PK
-18
535-
BU
-18
535-
BU
-18
607-
PK
-18
200-
BK
-18
200-
BK
-18
200-
BK
-18
200-
BK
-18
575-
YL-
18
200-
BK
-18
200-
BK
-18
576-
PK
-18
1
169-PK-18169-PK-18
4
200-
BK
-18
2
113-OR-18
H467-WH-18
646-RD-18
M734-BR-18
M742-PU-18
M741-GY-18
H465-GN-18
TRAVEL MODE IND 2
A583-YL-18
A584-BU-18
200-BK-18
645-RD-18
506-PU-18
403-GN-18
129-BU
410-WH-18
200-
BK
-14
200-
BK
200-
BK
200-B K
200-BK
200-BK-18
200-BK 200-BK-18
200-
BK
-18
403-
GN
-18
129-
BU
118-GY
410-
WH
-18
410-WH-18
A586-OR-18
590-GY-18
501-GN-18
530-OR-18
530-OR-18
501-GN-18
590-GY-18
235-BK-18
SIGNAL
A582-PU
A581-GN
A580-BR
A579-OR
200-
BK
-18
308-
YL
403-GN-18
129-BU
200-BK
200-BK
A582-PU
A581-GN
A580-BR
A579-OR
C537-GN-18
C538-OR-18
7
2
5
4
6
535-BU
9
11
12
8
3
10
152-BU
A58
4-B
U-1
8
A58
4-B
U-1
8
535-BU
152-BU
103-RD
200-BK-18
235-
BK
-18
892-BR-18
A58
4-B
U-1
8
893-GN-18
201-BK-18
235-
BK
-18
229-BK-14
575-YL-18
113-OR-18
113-OR-18
200-BK-18
AF
N
AF
N
F
T
200-BK
615-YL
169-PK-18
6
3
18
615-YL
17
7
15
16
12
8
10
WH 132-1827 A-4
5
14
4
11
607-
PK
2
9
2
10
9
13
18
15
7
6
8
4
5
12
20
21
14
16
3
19
17
11
RELAY
LAMP SW
KEY OFF
GND
+B
ATCH LAMP
DELAY TIMER
163-6704
607-PK
169-PK-18
13
235-BK-18
308-YL 308-YL
A537-PK-18
326-RD
F774-WH-18
F773-OR-18
235-BK-18
169-PK-18
C
A
K906-GN-18
B
A768-BU-18
A769-GY-18
L968-OR-18
L969-WH-18
K907-BU-18
M736-BU-18
AC 116-0098 B-3
AE 183-0998 A-7 (NOTE J)
CK 197-4302 G-8
A758-BR-18
A757-GY-18
A756-BU-18
A755-PK-18
L972-BU-18
307-OR
105-RD
150-OR-18
A770-PK-18
K849-YL-18K849-YL-18
K84
9-Y
L-1
8
235-BK-18
AL
200-
BK
-18
200-
BK
-18
235-
BK
-18
235-
BK
-18
235-BK-18
235-BK-18
R 204-1809 C-2
K84
9-Y
L-18
235-
BK
-18
954-
GN
506-PU-18
645-RD-18
329-
YL-
18
168-
RD
-18
169-
PK
-18
780-PU-18
150-OR-18
105-RD
307-OR
326-RD
308-YL
168-
RD
-18
168-
RD
-18
K906-GN-18
A768-BU-18
A27
8-B
K-1
8
200-
BK
-18
A89
3-O
R-1
8
235-
BK
-18
A769-GY-18
L968-OR-18
L969-WH-18
F889-WH-18
A770-PK-18
K907-BU-18
A537-PK-18
A537-PK-18
M736-BU-18
169-PK-18
495-GN-18
F774-WH-18
365-
YL-
18
F773-OR-18
235-BK-18
A758-BR-18
A757-GY-18
A756-BU-18
A755-PK-18
200-BK-18
L972-BU-18
954-GN
607-PK
K847-PU-18
K843-GN-18
E473-GY-18
E472-GN-18
200-BK-18
200-BK-18
200-BK-18
235-BK-18
K849-YL-18
2
1
10
7
200-
BK
12
4
3
9
8
11
6
5
+B
BK-18
F774-WH-18
BR-18
535-BU
103-RD-18
607-PK-18
AJ 197-4411 D-8
PC
NOTE F: USE WITH CAB GUARD.
L976
-GN
-18
11
L976
-GN
-18
8
5
1
2
3
ATCH SQUEEZE
PRESS. SENSOR
157-3128
L976
-GN
-18
325-PK-18
1
2
3
2
200-
BK
-10
780-
PU
-18
168-
RD
-10
105-RD
4
307-OR
326-RD
892-BR-18
893-GN-18
BK
YL
9
10
6
7
AJ
HYD OIL
FILTER SW
173-3518GROUND
SIGNAL
1
1
2
12
C
AJ
4
235-BK-18
CONSOLE(RH)
186-4705 HE02
WHHYD OIL
TEMP SENDER
4I-5394
FUEL LEVEL
SENSOR
163-6700
191-WH-14
ATCH
REFUELING SW
5C-6108
2
1
HYD OI L
LEVEL SW
170-9376
AJ
AJ
K86
9-B
U-1
8
Y/G
Y/W
K867-YL-18
ATCH JOYSTICK
177-7711
235-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
308-YL
998-BR-18
K906-GN-18
200-BK-18
L972-BU-18
607-PK
607-PK
V
+12V
GND
PWM+
SWITCH 1
SWITCH 2
COMMON
3
1
5
6
4
K867-YL-18
2
E472-GN-18
E473-GY-18
K843-GN-18
K847-PU-18
320-RD-18
329-
YL-
18
235-
BK
-18
235-BK-18
CONSOLE(LH)
320-RD-18
200-BK-18
ATCH
JOYSTICK
177-77122
1
3
4
5
235-BK-18
235-BK-18
6 235-BK-18
235-BK-18
K852-GN-18
M743-GN-18
K848-WH-18
K844-GY-18
E474-OR-18
E472-GN-18
K851-BU-18
ATCH
REFUELING
POWER RELAY
165-4026
7
8
9
1011
12
6
4
5
2
3
1
235-BK-18
235-BK-18
ATCH 12V 7A
CONVERTER
167-3467
K849-YL-18
200-BK
179-BU
179-BU
229-BKGND
12V MEMORY
GND
24V IN
24V MEMORY
12V OUT
2
1
200-BK
120-YL
135-BU
6
2
120-YL
3
4
6
210-BK
4
5
5
1
3
179-BU
179-BU179-BU
COMMON
ATCH 12V 7A
CONVERTER
167-3467
GND
12V MEMORY
GND
24V IN
24V MEMORY
12V OUT
1
6
2
3
4
5
1
C569-YL
229-BK
200-BK
SWITCH 2
SWITCH 1
PWM+
586-
BR
H473-BR-18 H473-BR-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
H474-GN-18
235-BK-18
H475-BU-18
H476-WH-18
229-BK-18
L973
-GN
179-BU
120-YL
235-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
189-RD
GND
235-BK-18
151-GN
H466-BU-18
A
2
1 ATCH
STRAIGHT TRAVEL
PRESS. SW
167-3466
H476-WH-18
H475-BU-18
154-RD
210-BK
235-BK-18
154-
RD
T967-YL-18
147-PU
K904-GN-18
A769-GY-18
A768-BU-18
2
K85
2-G
N-1
8
CJ 197-4353 G-8
235-BK-18
H474-GN-18
M736-BU-18
308-
YL
L973
-GN
235-BK-18
147-PU
K853-GY-18
T967-YL-18
487-OR-18
491-PK-18
PLATFORMCHASSIS
GROUND STRAP
7G-1060
K854-OR-18
V
780-
PU
-18
487-OR-18
235-BK-18
M739-YL-18
F773-OR-18
M737-WH-18
M738-OR-18
892-
BR
-18
491-PK-18
M737-WH-18
M738-OR-18 M738-OR-18
M737-WH-18 A
C
B
235-
BK
-18
CHASSI S
321-BR-18
893-
GN
-18
200-BK
118-GY
169-PK-18
200-BK-14
A591-PU-18
893-
GN
-18
200-
BK
235-BK-18
645-RD-18
200-BK-10
201-BK-18
A591-PU-18
200-BK-18
200-
BK
200-BK
200-BK
235-BK-18
FOR O/S JAPAN FOR JAPAN
168-
RD
-10
ATCH
CONVERTER
134-1346
TO RADIO
A51
3-R
D-1
8
323-WH-1 0
616-BU
592-
BU
-18
A513-RD-18
2
113-OR-18
1
103-
RD
-18
592-BU-18
GND
MEM
12V
IGN
24V
200-BK-18
200-
BK
-18
200-
BK
-18
7 2 84 15
511-
BR
-18
NOTE C: NOT USE ON THIS VEHICLE.
WA 183-1011 G-8
200-BK
509-WH-18
508-PU-18
512-GN-18
511-BR-18
103-RD
T
T
ATCH POWER
WINDOW LIMIT SW
117-6306 (NOTE B)
ATCH POWER
WINDOW CONT
117-6305
(NOTE B)
R. LIMIT
GND
NEUTRAL
+B
WIPER
SW. DOWN
SW. UP
F. LIMIT
200-
BK
-18
511-
BR
-18
ATCH
AM/FM RADIO
(CASSETTE)
163-6709
508-
PU
-18
512-
GN
-18
509-
WH
-18
113-
OR
-18
F,T
F,T
ATCH SPEAKER (L)
7Y-5505
ATCH SPEAKER (R )
7Y-5505
DOME LAMP
176-1986
F,T
C569-YL-14
325-PK-18
322-GY
780-PU-18
K86
7-Y
L-18
147-
PU
235-
BK
-18
1
893-
GN
-18
892-
BR
-18
235-
BK
-18
508-
PU
-18
512-
GN
-18
322-GY
F88
9-W
H-1
8
509-
WH
-18
322-GY
210-BK-14
135-BU-14
607-
PK
3
F,T
SP
EA
KE
R (
-)
AU
X-S
PE
AK
ER
(-)
SP
EA
KE
R (
+)
SP
EA
KE
R (
-)
BA
CK
UP
ILLU
MI
AU
X-S
PE
AK
ER
(+)
AC
C11
3-O
R-1
8
103-
RD
6 29
F889-WH-18
1 37 410
GN
D
85
SP
EA
KE
R (
+)
ATCH
AM/FM RADIO
163-6707
ATCH
12V 7A SOCKET
121-0987
6
ATCH HAMMER
PRESS. SW
167-3466
1
2
AL
YL-18
1
2
ATCH HAMMER SOL
121-6303
AL
A CB
AL
NOTE M: USE WITH CONFIG. 11.
NOTE L: USE WITH CONFIG. 12.
NOTE K: USE WITH CONFIG. 1,2,3',11.
NOTE J: USE WITH CONFIG. 1,2,3,3',11,14.
101-
RD
-4
403-
GN
-18
200-BK-18
ANTENNA
167-3492
K869-BU-18
K869-BU-18
229-
BK
-14
E
AK
235-
BK
-14
235-BK-18
OIL TEMP
123-
WH
-18
169-PK-18
BLOCK AS.
121-1023
112-PU-18
892-BR-18
893-GN-18
235-BK-18
200-BK
308-YL
308-YL
110-RD
189-RD
113-
OR
-18
H70
5-B
R-1
8
105-RD
189-
RD
615-YL
RD-18
WH-18
607-PK
160-PU
160-PU
160-PU
151-GN
BK-18
189-RD
154-RD
HYD TANK
PRESS. SW
(NOTE C)
307-OR 306-GN
A588-GN
645-
RD
-18
A89
3-O
R-1
8
308-
YL
C98
7-R
D-1
4
184-RD
151-
GN
150-
OR
-18
607-PK
C987-RD-14
151-GN
A588-GN
Y
235-BK-18
235-BK-18
168-
RD
-18
200-BK-10
200-BK-18
200-BK-10
200-
BK
-18
L976
-GN
-18
365-
YL-
18
168-
RD
-18
495-
GN
-18
L976
-GN
-18
200-
BK
-10
322-GY
616-BU
168-
RD
-10
119-PK-18
607-PK
322-
GY
105-
RD
607-
PK
112-PU-6
307-
OR
191-
WH
-14
892-
BR
-18
325-
PK
-18
147-
PU
684-RD-18
200-BK
235-BK-18
200-BK
235-BK-14
308-YL
105-RD
200-BK
200-BK
K90
6-G
N-1
8
200-
BK
-18
763-
BU
-18
235-
BK
-18
169-
PK
-18
AG
646-
RD
-18
A58
8-G
N
A77
0-P
K-1
8
306-GN
200-BK
684-RD-18
A768-BU-18
325-
PK
-18
646-RD-18
A623-BU-18
112-PU-6
200-
BK
308-
YL
308-YL
308-YL
308-YL
308-YL
(NOTE C)
308-YL
UNLESS OTHERWISE SPECIFIED ALL WIRE IS 16 GAUGE.
COMPONENTS ARE SHOWN INSTALLED ON A FULLY
OPERABLE MACHINE WITH THE KEY AND ENGINE OFF.
THIS SCHEMATIC IS FOR THE 330C EXCAVATOR.
CH 193-3515 I-12 (NOTE A)
CG 170-6929 I-12 (NOTE A)
CF 193-3377 I-12 (NOTE A)
CE 204-1601 I-12
CC 170-6929 I-12
CA 186-4708 I-12
CABLE AS .
200-BK
WF 111-4829 G-8
WIRE AS .
P 163-6750 C-3
200-BK
A769-GY-18
L973
-GN
109-RD-8
109-RD-6
109-
RD
-6
168-
RD
-10
304-WH-8
304-
WH
-8
179-
BU
N 167-3456 G-1
M 167-3527 D-5
L 167-3457 I-5
G 163-6810 F-1
K 170-6828 H-1
F 163-6787 F-4
J 186-4624 H-3
H 170-6959 I-3
E 197-4455 G-9 (NOTE G)
NOTE E: USE WITH 12V 7A X 2 CONVERTER.
C 204-1813 F-5
K904-GN-18
GY
PU
BR
RED
WHITE
ORANGE
YELLOW
PINK
ABBREV COLO R
BLACK
GRAY
PURPLE
BROWN
BK
PK
YL
OR
WH
RD
GN
BU
GREEN
BLUE
IDEN T PART NO . LOC
A588-GN
200-BK
235-BK-18
10A
C
B
200-BK-18
ATCH QUICK
COUPLER SW
150-6988
A
HARNESS AS .
168-RD-10
184-
RD
A58
8-G
N
535-BU
NOTE G: NOT USE WITH COLD WEATHER FOR JAPAN.
780-PU-18
200-BK
AJ
A77
0-P
K-1
8
646-
RD
-18
607-PK
154-RD
200-BK-18
645-RD-18
616-BU
147-PU
(NOTE A)
(NOTE A)
168-
RD
-10
105-RD
AF
N
F,T
R
189-RD
109-
RD
-4
487-OR-18
149-RD
149-RD
149-RD
115-RD
115-RD
115-RD
AK 204-1650 G-8 (NOTE H)
780-
PU
-18
119-
PK
-18
101-
RD
-4
306-GN
114-RD
200-BK
1
2
B
A
C
114-RD
114-RD
2
1
200-BK-18
235-BK-18
L968-OR-18
L969-WH-18
A770-PK-18
2
1
615-YL
189-RD
DIODE
121-1022
AA 116-0096 B-3
K907-BU-18
K906-GN-18
A768-BU-18
F773-OR-18
F774-WH-18
412-
BU
-18
J
NOTE A: USE WITH COLD WEATHER.
A
A769-GY-18
575-YL-18
576-PK-18
200-BK
200-BK
FAULT ALARM
132-1829
235-BK-18
147-PU
147-PU
K904-GN-18
235-
BK
-18
BK-18
235-BK-18
200-B K
BK-18
YL-18
A586-OR-18
CDL -
10
1
6
7
GND
F,T F,T
F,T
8
20
14
17
2
11
F88
9-W
H-1
8
16
AIR HEATER
RELAY
148-0757
132 4
684-RD-18
NOTE B: USE WITH POWER WINDOW.
3
19
12
18
15
M739-YL-18
+B
WASH
9
1
6
235-
BK
-18
5
3
TRAVEL MODE IND 1
2
1
4
1
6
5
7
200-BK-18
8
3
150-OR-18
2
4
7
2
4
169-PK-18
124-GN-14
1
3
235-BK-18
11
535-BU
H705-BR-18
+12V
2
13
4
5
9 10
ATCH
HAMMER
PRESS. SW
167-3466
(NOTE K)
TRAVEL
LEFT
PRESS. SW
167-3466
F,T
ACC
HHA
A
A
J
J
RISE.S
REV
WASH
INT(6)
JJ
JJ
INT(3)
IND UNIT
163-6702
TRAVEL
RIGHT
PRESS. SW
167-3466
1
2
2
1
JOYSTICK
PRESS. SW
167-3466
1
2
1
2
ATCH
SEAT WITH
SEAT HEATER
164-0505
+B
L. CHASSIS
BACKUP
EPR VALVE SW
163-6710
1
2
A
A
ONE TOUCH
LOW IDLE SW
128-2134
NEUTRAL START
LIMIT SW
163-6785
HORN SW
128-2134
64 2 5
A
3
A
2
1
ATCH LOWER
WIPER MOTOR
167-7079+
S +1
-MOTOR
12 78 1
229-
BK
-18
200-
BK
-18
ATCH
AUX HYD
PRESS. SW
167-3466
(NOTE L)
306-
GN
200-
BK
-18
109-
RD
-4
109-RD-4
118-GY
129-BU
179-BU
120-YL
147-PU
113-OR-18
180-GN
101-RD-4
112-PU-18
112-
PU
-18
109-RD- 4
200-BK
200-BK-10
AK AK
LOW
123-WH-18
WIPER CUT
GND
WA+
W. CW
W. CCW
G
191-WH-14
G
QUICK COUPLER
15A
5A
10A
POWER WINDOW
15A
ATT SOL
10A
10A
5A
NEUTRAL START RELAY
161-3128
E
AK
5A
120-YL
STOP
10A
8
E
AK
HYD LOCK SOL RELAY
161-3128
CHASSIS LAMP RELAY
161-3128
E
AK
A/C SW PANEL
157-3210
WC 163-6780 H-9
13
200-BK-18
E
AK BOOM LAMP RELAY
161-3128
CAB LAMP RELAY
161-3128
E
AK
LOWER WIPER/WASHER
CHASSIS LAMP
WIPER/WASHER
CIGAR LIGHTER
12V 7A CONVERTER 1
12V 7A CONVERTER 2
5A
10A
10A
10ASW PANEL/RADIO
BACKUP/MONITOR CONT5A
A/C
SEAT HEATER
DIOD E
121-1022
AUX CKT
5A
10A
1
2
WE WF
6
START RELAY
125-1302
200-BK
306-GN
DIODE
121-1022
WE 183-1012 H-8
306-GN
109-
RD
-4
101-RD-4
169-
PK
-18
101-
RD
-4
1211109 7 81 6543 2 A B
RESISTOR
102-8016
C
322-GY
235-
BK
-18
235-BK-18
235-BK-18
K85
1-B
U-1
8
151-
GN
12
101-
RD
-4
T 170-6813 F-4 (NOTE B)
L6
120-
YL
124-
GN
-14
A58
8-G
N
BR-18
491-PK-18
K84
9-Y
L-18
11
152-
BU
ATCH UNDER
WINDOW LIMIT SW
129-6466
7
WG 163-6758 H-8
184-RD
684-RD-18
YL-18BR-18
A769-GY-18
A768-BU-18
C987-RD-14
101-
RD
-4
320-RD-18
115710112 84
A 204-1812 F-5
149-RD
115-RD
326
101-
RD
-4
114-RD
W. LOW
109-
RD
-4
175-
RD
-14
893-
GN
-18
103-RD
105-RD
110-RD
175-RD-14
E
AK
235-
BK
-14
616-
BU
168-RD-10
200-BK
200-BK
C
C
201-BK-18
ALTERNATOR
9W-3043
615-YL
200-BK
F,T
307-
OR
168-RD-10
4
607-
PK
169-
PK
-18
AEC MODE IND
T967-YL-18
W. INT(3)
+
235-BK-18
-
9
W. INT(6)
ALARM CANCEL IND
130-
RD
-14
152-BU
160-PU
129-
BU
HORN RELAY
161-3128
9
ALARM CANCEL SW
M739-YL-18
M739-YL-18
235-BK-18
235-BK-18
607-PK
B-
A58
4-B
U-1
8
A27
8-B
K-1
8
168-
RD
-18
365-
YL-
18
200-BK-18
AEC MODE SW
YL-18
200-BK
J2
200-BK
J1
B+
R
30A
235-
BK
-18
325-
PK
-18
ALT
325-
PK
-18
200-
BK
-10
607-
PK
323-
WH
-10
365-
YL-
18
A53
7-P
K-1
8
10A
CAB LAMP
BOOM LAMP
TRAVEL MODE SW
L. BOOM
L. CHASSIS
10A
10A
5A
10A
E
AK FUEL PUMP RELAY161-3128
10A
A58
9-O
R-1
4
200-
BK
-14
200-
BK
-14
235-BK-18
10A
15A
A758-BR-18
GND
10A
+B
10A
KEY SW
TIMER RELAY
ATCH V CONT
A/C BLOWER
V 193-3394 C-7
E/P CONT
BK
-00
BK
-00
W 167-3473 I-6 (NOTE E)
A757-GY-18
A756-BU-18
RD
-00
RD
-00
RD-0 0
RD-00
320-RD-18
235-BK-18
147-
PU
A89
3-O
R-1
8
A755-PK-18
CAB
2
1
ATCH 1PUMP-2PUMP
EXCHANGE SOL1
165-9549
U
310-
PU
U
C
C
1
2
K877-BU-18
235-BK-18
C
308-YL
235-BK-18
235-BK-18
235-BK-18
K86
7-Y
L-18
2
M906-BU-18
K864-PK-18
CDL +
K870-GN-18
1
K865-PU-18
V
K87
9-G
N-1
8
200-
BK
-18
K876-BR-18
200-
BK
-18
200-
BK
-18
200-BK-18
322-
GY
200-
BK
-18
200-BK-18
K866-WH-18
200-BK-18
5
4
3
2
1
MOTO R
SIG
NA
L
V
ACC
K877-BU-18
103-RD-18
C
C
C A
A
A
CC
616-BU
200-BK
+12V
BACKUP GOV SW
163-6711
LIGHT
WIPER
MOTOR
161-3667
WIPER CONT
155-7042
E
AK
IN
F,T
GND
OUT
+B
2
3
4
TIMER
RELAY
163-6703
1
DOME LAMP/MEMORY
HORN
TRAVEL
STRAIGHT SOL
121-14912
1
15A
30A
15A
C
2
J
H
G
F
D
C
B
A
E
ET CONN
200-BK-18
K87
1-W
H-1
8
1
SWING
BRAKE SOL
121-1491
HYD LOCK
SOL
121-1491
200-
BK
TRAVEL
SPEED SOL
121-1491
200-BK-18
SIG
NA
L
+B GR
OU
ND
8
1
ATCH 1PUMP-2PUMP
WXCHANGE SOL2
165-9549
2
2
3
MONITOR
157-3198
MOTOR
MOTOR
CAB
607-PK
1
235-BK-18
NEGPOS
L976
-GN
-18
200-BK
200-BK
616-BU
615-YL
200-BK
NEGPOS
X 193-3392 C-4
C
NEG
WINDOW
LIMIT SW
117-6306
ATCH
CAB LAMP
167-3441
POS
120-YL
120-YL
1
3
2
5
4
L972-BU-18
6
6
5
4
3
2
6
1
12V OUT
24V MEMORY
24V IN
120-YL
GND
12V MEMORY
GND
ATCH 12V 7A
CONVERTER
167-3467
12
1110
9
8
7
135-BU
C569-YL
FUEL PUMP
200-BK
120-YL
684-RD-18
120-YL
12V 5A
1 2
235-BK-18
SWITCH PANEL
163-6701
AC AC
ATCH
REFUELING
START RELAY
149-5050
210-BK
Y
AC
120-YL
A/C PHOTO
SENSOR
167-7083
135-BU
120-YL
200-BK
P
P
C
10
5
SERVICE
METER
6T-7337
MOTOR
2
1
CIGAR
LIGHTER
9W-0335
NEG
ATCH 1PUMP-2PUMP
EXCHANGE SW
170-6955
ATCH SINGLE-DOUBLE
ACTION EXCHANGE SW
170-6956
ATCH LOWER
WIPER SW
163-6718
ATCH LOWER
WASHER SW
163-6719
AG 201-1283 C-11
WIRE PAIRS OF 892-BR & 893-GN, G856-WH & G857-YL,
E965-BU & E966-YL, E963-BK & E964-WH MUST BE
TWISTED AT LEAST 1 TURN PER 25mm .
ATCH SEAT
HEATER SW
163-6721
F
T
C
ATCH
BOOM LAMP
153-2521
OPERATOR STATION
S4
S3
S2
S1
COM
R
K
ATCH
CAB LAMP
167-3441
ATCH
REFUELING PUMP
123-3929
ATCH
REFUELING
START SW(NO)
6T-9442
AA
Y
Y
HORN
7Y-3919
F,T
Y
R
POS
+ -
ATCH
REFUELING
STOP RELAY
149-5050
J
Y
F,T
KEY SW
9G-7641
J
AAAA
ATCH
REFUELING
STOP SW(NC)
9X-4184
F,TF,T F,T
CL 197-4304 H-12
(NOTE C)
CHASSIS
LAMP
153-2523
THROTTLE
POS SW
106-0107
ATCH
BOOM LAMP
153-2521
F,T F,T
ATCH FINE
SWING CONT SW
163-6722
ATCH POWER
WINDOW SW
163-6720
R
C
S
B
T
F,T
OFF
F,T
ONST
NOTE D: NOT USE WITH HEATER UNIT.
12
2
1
HORN
7Y-3920
1
1
1
CONN 17
CONN 18
CONN 19
CONN 20
CONN 21
CONN 22
CONN 23
CONN 24
CONN 25
CONN 26
CONN 27
CONN 28
CONN 29 CONN 30
CONN 31
CONN 32
H
G
I
F
E
D
C
B
A
H
G
I
F
E
D
C
B
A
9 8 7 6 5 4 3 2 111 1012
9 8 7 6 5 4 3 2 111 1012
STARTING CIRCUIT.
GAUGE CIRCUIT.
MONITOR CIRCUIT. (EMS)
PANEL LAMP CIRCUIT.
WASHER/WIPER CIRCUIT.
HEATER AND AIR CONDITIONER CIRCUIT.
GROUND CIRCUIT.
ATCH VALVE CONTROL CIRCUIT
ENGINE CONTROL CIRCUIT.
ENGINE/PUMP CONTROL CIRCUIT.
ALL DASHED LINES ARE ATTACHMENTS.
WIRES THAT HAVE BATTERY VOLTAGEWHEN THE KEY SWITCH IS OFF.
WIRES THAT HAVE BATTERY VOLTAGEWHEN THE KEY SWITCH IS ON.
SYMBOL DESCRIPTION
BLADE, SPADE, RING OR SCREW TERMINAL
CIRCUIT CONNECTED
CIRCUIT NOT CONNECTED
ELECTRICAL CONNECTION TO MACHINE STRUCTURE
INTERNAL ELECTRICAL CONNECTION TO SURFACE OF COMPONENT
CONNECTOR
ATCH WIRE, CABLE, COMPONENT
CIRCUIT CONNECTED
SPLICE
CIRCUIT GROUPING DESIGNATIONH#
CONN 1
CONN 2
CONN 3 CONN 4 CONN 5
CONN 6 CONN 7
CONN 8 CONN 9
CO
NN
10
CO
NN
11
CO
NN
12
CONN 13
CONN 14
CONN 15
CONN 16
