©
1987 Caterpillar
All Rights Reserved
SENR3627
October 1987
657E Wheel Tractor-Scraper
Electrical System
Scraper:
86Z210-427
6MB85-167
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HARNESS CONNECTOR AND COMPONENT LOCATIONS
C59144X7
C59145X5
Off Machine Switch Specification
Part No. Function Actuate Deactuate Contact Position
9G8009
Parking Brake Pressure (EMS)
Brake Air Pressure (EMS)
517 ± 35 kPa
(75.0 ± 5.0 psi)
448 ± 35 kPa
(65.0 ± 5.0 psi)
N.O.
6N5899
Engine Coolant Temperature
Engine Coolant Temperature (Start Aid)
37.8 ± 2.8°C
(100 ± 5°F)
26.7°C
(80°F)
N.C.
7N9560 Power Train Oil Temperature (EMS)
129.4 ± 2.8°C
(265 ± 5°F)
118.3°C MIN
(245°F MIN)
N.C.
7N9785 Engine Coolant Temp. (EMS)
107.2 ± 2.8°C
(225 ± 5°F)
91 .0°C MIN
(196°F MIN)
N.C.
3T6962 Fuel Pressure (EMS)
93 ± 21kPa
(13.5 ± 3.0 psi)
69 ± 21kPa
(10.0 ± 3.0 psi)
N.C.
6T7663 Engine Oil Pressure (S. Meter)
93 ± 21 kPa
(13.5 ± 3.0
69 ± 21 kPa
(10.0 ± 3.0 psi)
N.O.
6T9316 Engine Coolant Flow (EMS)
37 ± 3g
(1.3 ± 0.1 oz)
31 g MlN
(1.1 oz MIN)
N.O.
11 I/min MAX
(25.4 mm ID line)
4.9 I/mm MIN
(25.4 mm ID line)
N.O.
[2.9 gal/min MAX
(1.0 in ID line)]
[1.3 gal/min MIN
(1.0 in ID line)]
N.O.
8T9815 Service/Retarder Brake Pressure
93.0 ± 20.8 kPa
(13.5 ± 3 psi)
68.9 ± 20.8 kPa
(10.0 ± 3.0 psi)
N.C.
9W3187 Fuel Pressure (EMS)
93 ± 21kPa
(13.5 ± 3.0 psi)
69 ± 21kPa
(10.0 ± 3.0 psi)
N.C.
N.O. = NORMALLY OPEN N.C. NORMALLY CLOSED
Primary Steering Flow7T2078
Harness Connector Location Chart
Connector
Machine
Location
Harness And/Or
Components
Schematic
Location
Connector
Machine
Location
Harness And/Or
Components
Schematic
Location
D - 8W1354
J - 8W5123
C-4
D - 8W1354
NN - 8W1352
D-1
D - 8W1354
Transmission Control (Tractor)
D-8
J - 8W5123
Y - 7T3418
B-4
Q - 8W6016
Transmission Control (Scraper)
D-9
Q - 8W6016
Y - 7T3418
C-8
25 CONTACTS
D - 8W1354
G - 8W1353
C-2
Y - 7T3418
Transmission Switch (Scraper)
C-8
C - 6G9732
L - 6G9735
C-5
Y - 7T3418
Transmission Switch (Tractor)
B-4
D - 8W1354
Diagnostic Connector (Tractor)
E-5
Z - 8W0980
Shift Lever Switch
F-6
D - 8W1354
Operator Monitor (EMS)(Tractor)
E-3
C - 6G9732
D - 8W1354
D-6
L - 6G9735
M - 6G9729
C-6
D - 8W1354
NN - 8W1352
D-1
M - 6G9729
N - 6G9838
C-7
J - 8W5123
R - 6G9728
C-6
N - 6G9838
P - 6G9839 (*)
C-7
R - 6G9728
S - 6G9834
C-7
P - 6G9839 (*)
Q - 8W6016
C-7
F - 7T8200
NN - 8W1352
E-1
V - 8W6869
Diagnostic Connector (Scraper)
A-6
Q - 8W6016
V - 8W6869
C-7
V - 8W6869
W - 8W6870
A-7
S - 6G9834
T - 6G9836 (**)
C-7
W - 8W6870
Operator Monitor (EMS)(Scraper)
C-9
T - 6G9836 (**)
U - 8W3493
C-7
14 CONTACTS
D - 8W1354
Z - 8W0980
E-6 5 CONTACTS
E - 6G6696
G - 8W1353
B-2
A - 8W4636
Front Wiper Motor
F-2
A- 8W4636
Rear Wiper Motor
F-7
D - 8W1354
PP - 5T1779
E-7
* Replace 6G9839 Harness with 5T7076 Harness on Coal Scraper.
** Replace 6G9836 Harness with 5T7075 Harness on Coal Scraper.
37 CONTACTS
20 CONTACTS
4 CONTACTS
10 CONTACTS
7 CONTACTS
6 CONTACTS
Printed in U.S.A.
Component Location
Component
Schematic
Location
Machine
Location
Component
Schematic
Location
Machine
Location
Alarm-Fault (EMS) (Scraper) D-3 A Switch-Air Pressure (EMS) A-3 31
Alarm-Fault (EMS) (Tractor) D-3 A Switch-Apron E-8 B
Alternator (Scraper) B-8 2 Switch-Backup Alarm F-6 B
Alternator (Tractor) B-2 3 Switch-Blower E-3 A
Batteries (Scraper) A-6 4 Switch-Brake (Scraper) B-6 32
Batteries (Tractor) C-1 5 Switch-Differential Lock F-8 33
Breaker-Alternator (Scraper) A-7 E Switch-Disconnect (Scraper) A-6 E
Breaker-Alternator (Tractor) E-5 B Switch-Disconnect (Tractor) C-2 34
Breaker-Blower Motor E-4 B Switch-Dome Lamp F-7 C
Breaker-Dome Lamp E-4 B Switch-Door Dome Lamp F-6 C
Breaker-Fuel Pump E-4 B Switch-Engine Coolant Flow (EMS) (Scraper) B-8 35
Breaker-Head Lamp And Dash E-4 B Switch-Engine Coolant Flow (EMS) (Tractor) A-2 36
Breaker-Key (Scraper) A-7 E Switch-Engine Coolant Temp. (EMS) (Scraper) B-7 37
Breaker-Key (Tractor) E-5 B Switch-Engine Coolant Temp. (EMS) (Tractor) B-3 38
Breaker-Wiper (Rear) E-4 B Switch-Engine Coolant Temp. (Start Aid) (Scraper) B-7 39
Control-Transmission (Scraper) D-9 6 Switch-Engine Coolant Temp. (Start Aid) (Tractor) A-2 40
Control-Transmission (Tractor) D-8, E-8 B Switch-Engine Oil Press. (Service Meter) (Scraper) B-7 41
Dryer-Air A-2 7 Switch-Engine Oil Press. (Service Meter) (Tractor) B-2 42
Gauge-Engine Coolant Temperature E-6 A Switch-Engine Oil Pressure (EMS) (Scraper) B-7 43
Gauge-Torque Converter Temperature
(Scraper)
E-6 A Switch-Engine Oil Pressure (EMS) (Tractor) A-2 44
Gauge-Torque Converter Temperature
(Tractor)
E-6 A Switch-Flood Lamp F-3 A
Meter-Service (Scraper) B-9 D Switch-Forward Horn F-5 A
Meter-Service (Tractor) E-6 B Switch-Fuel Pressure (EMS) (Scraper) B-7 45
Monitor-Operator (EMS) (Scraper) C-9 D Switch-Fuel Pressure (EMS) (Tractor) A-2 46
Monitor-Operator (EMS) (Tractor) E-3 A Switch-Fuel Pump Pressure B-2 47
Motor-Fuel Pump (Scraper) B-6 8 Switch-Head Lamp Dimmer F-8 48
Motor-Starter (Scraper) A-6 9 Switch-Instrument A-9 D
Motor-Starter (Tractor) B-3 10 Switch-Key Start (Scraper) A-9 D
Motor-Washer (Front) E-2 11 Switch-Key Start (Tractor) E-4 B
Motor-Washer (Rear) E-2 12 Switch-Neutral/Run F-5 A
Motor-Wiper (Front) F-2 C Switch-Neutral/Start F-6 B
Motor-Wiper (Rear) F-7 C Switch-Operator Monitor Test (EMS) (Scraper) B-9 D
Motors-Blower F-1 C Switch-Operator Monitor Test (EMS) (Tractor) D-3 A
Relay-Fuel Pump F-4 B Switch-Panel Dimmer F-4 A
Relay-Main E-5 A Switch-Parking Brake Pressure (EMS) B-4 49
Relay-Start (Scraper) A-7 E Switch-Refrigerant F-1 A
Relay-Start (Tractor) D-5 B Switch-Retarder (Scraper) B-6 50
Resistor-Blower Motor Speed F-1 A Switch-Running Lamp F-4 A
Resistor-Panel Dimmer F-3 A Switch-Shift Lever F-6 B
Resistor-Starter To Diagnostic Connector B-3 13 Switch-Start Aid (Scraper) A-9 D
Sender-Engine Coolant Temperature (Gauge) A-3 14 Switch-Start Aid (Tractor) F-5 A
Sender-Tachometer A-3 15 Switch-Steering Oil Flow (EMS) A-4 51
Sender-Torque Converter Temp. (Gauge)
(Scraper)
B-7 16 Switch-Thermostat E-1 A
Sender-Torque Converter Temp. (Gauge)
(Tractor)
A-3 17 Switch-Torque Converter Temp. (EMS) (Scraper) B-7 52
Sender-Transmission Speed (Scraper) B-8 18 Switch-Torque Converter Temp. (EMS) (Tractor) A-3 53
Sender-Transmission Speed (Tractor) A-5 19 Switch-Transmission (Scraper) B-8 54
Solenoid-Air Conditioner Clutch B-2 20 Switch-Transmission (Tractor) A-4 55
Solenoid-Apron E-8 21 Switch-Transmission Hold F-8 56
Solenoid-DIfferential Lock E-8 22 Switch-Wiper (Front) F-3 A
Solenoid-Downshift (Scraper) B-7 23 Switch-Wiper (Rear) F-3 A
Solenoid-Downshift (Tractor) A-4 24 Tachometer D-2 A
Solenoid-Forward Horn E-8 25
Solenoid-Start Aid (Scraper) A-9 26
Solenoid-Start Aid (Tractor) A-2 27
Solenoid-Sync (Scraper) B-9 28
Solenoid-Upshift (Scraper) B-7 29
Solenoid-Upshift (Tractor) A-4 30
A - COMPONENTS IN OPERATOR COMPARTMENT - FRONT DASH
B - COMPONENTS IN OPERATOR COMPARTMENT - RIGHT CONSOLE
C- COMPONENTS IN OPERATOR COMPARTMENT
D - COMPONENTS ON SCRAPER - INSTRUMENT PANEL
E - COMPONENTS ON SCRAPER - RELAY PANEL
Wire Description
Wire
Number
Wire
Color
Description
Wire
Number
Wire
Color
Description
Power Distribution Circuits
Ground Circuits
101 RD
BATTERY
214 BK
ANTISPIN CODING PIN 18
102 BU
HEAD LAMP
215 BK
ANTISPIN CODING PIN 19
103 YL
DOME/DASH LAMP/PARK. TAIL LAMP
216 BK
ANTISPIN CODING PIN 20
104 YL
TORQUE CONVERTER SWITCH
217 BK
TRANSMISSION CODING PIN 17
105 BR
KEY SWITCH
218 BK
TRANSMISSION CODING PIN 18
106 WH
MAIN POWER RELAY/INPUT
219 BK
TRANSMISSION CODING PIN 19
107 WH
ENGINE SHUT DOWN/AUTO FIRE CONTROL
220 BK
ENGINE OIL PRESSURE SENSOR
108 BU
MISC WIPER, DOME LAMP. CIGAR LIGHTER
221 BK
ENGINE COOLANT TEMP SENSOR
109 OR
ALTERNATOR
222 BK
MONITOR PANEL CODING 1
110 GN
WINDSHIELD WIPER SW. (RIGHT)
223 BK
MONITOR PANEL CODING 2
111 YL
WINDSHIELD WIPER SW. (LEFT)
224 BK
ENGLISH/METRIC CODING
112 PU
MAIN POWER RELAY/OUTPUT
226 BK
HYD OIL TEMP SENSOR
113 OR
OPERATOR MONITOR PANEL
227 BK
TRANSMISSION CODING PIN 37
114 GN
WARNING HORN (FORWARD)
228 BK
FUEL LEVEL SENDER
115 PK
FLOOD LAMP (FRONT)
230 BK
TMC ACTUATOR GROUND
116 BR
FLOOD LAMP (REAR)-(SIDE ON D8.D9,D10,D11)
231 BK
TRANSMISSION SWITCH
117 YL
FLOOD LAMP (SIDE)
232 BK
ENGINE SPEED CONTROL SOLENOID GROUND
118 GY
WINDSHIELD WIPER SW. (FRONT)
233 BK
ENGINE UNDERSPEED CONTROL-PROPORTIONAL SOL
119 PK
WINDSHIELD WIPER SW. (REAR)
234 BK
ENGINE SPEED CONTROL SOLENOID GROUND
120 YL
CONVERTER (24 V to 12 V)
236 BK
TRANSMISSION CODING PIN 36
121 YL
BACKUP ALARM/LAMP
240 BK
ENGINE SPEED CONTROL
122 BU
AIR DRYER
241 BK
OPERATOR MON PANEL TIME DELAY PIN 3
123 WH
GAUGES (SERVICE METER, TORQUE CONV SOLENOID)
242 BK
OPERATOR MON PANEL TIME DELAY PIN 4
124 GN
AIR CONDITIONER
243 BK
OPERATOR MON PANEL TIME DELAY PIN 5
125 OR
FUEL TRANSFER PUMP
244 BK
OPERATOR MON PANEL TIME DELAY PIN 6
126 PK
TRANSMISSION CONTROL
250 BK
PAYLOAD MONITOR-CUSTOMER GROUND
127 OR
CAB FLOOD LAMP
251 BK
PAYLOAD MONITOR-SYSTEM GROUND
128 PK
KICKOUT SOLENOID SW.
252 BK
PAYLOAD MONITOR-DISPLAY TO CONTROL
129 BU
CIGAR LIGHTER
256 BK
LUC HARNESS CODE 0
130 GN
STOP LAMP AUX FLOODS
257 BK
LUC HARNESS CODE 1
131 BR
FIRE CONTROL-OPERATOR WARNING
258 BK
LUC HARNESS CODE 2
132 PK
ANTISPIN CONTROL
259 BK
LUC HARNESS CODE 3
133 OR
MAIN POWER RELAY DIAG RES TO DIAGNOSTIC
260 BK
TECH ID CODE 0
134 PK
PROGRAMMED ELECTRONIC ENG CONT LOGIC
261 BK
TECH ID CODE 1
135 BU
AM/FM RADIO
262 BK
TECH ID CODE 2
136 GN
SUPPLEMENTAL STEERING
263 BK
TECH ID CODE 3
137 OR
STEERING MOTOR FUSE-SMALL TRUCKS
Basic Machine Circuits
138 GN
AUTOMATIC LUBE PUMP/PAYLOAD MONITOR
301 BU
STARTER NO. 1 SOLENOID TO RESISTOR
139 OR
BRAKE RELEASE RELAY
302 OR
STARTER NO.1 RESISTOR TO DIAGNOSTIC
140 BU
BRAKE RELEASE SWITCH
304 WH
STARTER RELAY NO.1 OUTPUT
141 PK
AUXILIARY HEATER/DEFROSTER (FRONT)
305 BU
KEY SWITCH TO ALARM HORN
142 BU
FAST DUMP SOLENOID
306 GN
STARTER RELAY COIl/NEUTRAL START SW. OR KEY SW.
143 BK
TRANSMISSION DISCONNECT SWITCH
307 OR
KEY SW. TO NEUTRAL START SW.
144 GN
FOG LAMP/BEACON
308 YL
MAIN POWER RELAY COIL
145 BU
DUAL HP SOLENOID SWITCH
309 GY
ALTERNATOR REGULATOR TERM
146 GY
ACCESSORY SWITCH 1
310 PU
ETHER SW. TO ETHER SOLENOID
147 PU
ACCESSORY SWITCH 2
311 WH
ETHER SOLENOID TO TEMPERATURE SW.
148 WH
A/C SWITCH
312 PK
STARTER NO.2 SOLENOID TO RESISTOR
149 PU
FLOODLAMP (FRONT ATTACHMENT)
313 GY
STARTER NO.2 RESISTOR TO DIAGNOSTIC
150 OR
FLOODLAMP (REAR ATTACHMENT)
314 PU
STARTER RELAY NO.2 OUTPUT
151 GN
DEFROSTER
315 GN
START AID BREAKER TO START AID RELAY
152 BU
AUX. WIPER SWITCH
316 PK
CANE TO ELEVATOR NEUTRAL START SW. JUMPER
153 WH
3 PT. HITCH CONTROL
317 YL
START AID RELAY TO START AID SOLENOID
154 WH
AIR CONDITIONER
320 OR
HORN RELAY COIL TO SWITCH
156 YL
CB RADIO
321 BR
BACKUP ALARM/LAMP/TRAVEL ALARM
157 YL
TURN FUSE TO HAZARD SWITCH
322 GY
WARNING HORN (FORWARD)
158 BR
B+ TO CONDENSOR RELAY CONTACT
323 WH
FUEL TRANSFER PUMP POWER
159 BU
WIPER MOTOR-RIGHT
324 BU
DIFFERENTIAL LOCKUP SOLENOID
160 PU
WIPER MOTOR-LEFT
325 PK
FUEL PUMP RELAY OIL PRESSURE SW.
161 PK
HARZARD FUSE TO HAZARD SWITCH
326 PU
KEY SWITCH "C" TERMINAL
162 YL
AUXILIARY HYDRAULIC LEFT
327 PK
SHUTDOWN SOLENOID
163 WH
AUXILIARY HYDRAULIC RIGHT/SWING
328 OR
SHUTDOWN MODULE "OFF"
165 YL
DIFFERENTIAL LOCK/APRON SOLENOID
329 YL
FUEL PUMP TO SWITCH
167 OR
LOCKUP CLUTCH
330 YL
NEUTRAL START RELAY COIL
168 GN
REFUELING PUMP
331 OR
BACK-UP ALARM RELAY COIL
169 PK
BLADE CUSHION
332 BU
SHUTDOWN SWITCH TO SHUTDOWN CONTROL
170 YL
BLADE FLOAT
333 GN
SCRAPER KEY SW. "R" TERMINAL
171 GN
DOZER FLOAT
Monitoring Circuits
172 GN
HAZARD FUSE TO FLASHER
400 GN
SERVICE METER SWITCH
173 YL
TURN FUSE TO FLASHER
401 BU
HYD OIL TEMP GAUGE SENSOR B+
174 PK
CUSTOMER ADD-ONS
402 YL
COOLANT TEMP GAUGE SENSOR B+
175 PK
TRAILER TURN/HAZARD
403 GN
ALTERNATOR (R) TERMINAL
176 YL
CUSTOMER ADD-ONS
404 YL
OPERATOR MON PANEL HYDRAULIC OIL TEMP
176 OR
CRANKCASE GUARD - PUMP MOTOR
405 GY
OPERATOR MON PANEL OIL PRESS. (LOW SETTING)
177 OR
MAIN BREAKER
406 PU
OPERATOR MON PANEL COOLANT TEMP
178 GN
MAIN BREAKER
407 PK
OPERATOR MON PANEL CONV/RETARDER OIL TEMP
180 GN
DUAL H.P. BREAKER
408 WH
OPERATOR MON PANEL BRAKE PRESS. (AIR)
181 GY
ENGINE SPEED CONTROL- +BATTERY
409 OR
OPERATOR MON PANEL NEUTRAL
182 PU
ENGINE UNDERSPEED CONTROL
410 WH
OPERATOR MON PANEL FAULT ALARM
Ground Circuits
411 PK
OPERATOR MON PANEL MASTER FAULT LAMP
200 BK
MAIN CHASSIS
412 BU
OPERATOR MON PANEL COOLANT FLOW
201 BK
OPERATOR MONITOR PANEL
413 BR
OPERATOR MON PANEL FUEL PRESS.
202 BK
TRANSMISSION CONTROL
414 PK
OPERATOR MON PANEL LOW FUEL
203 BK
CHASSIS DIAGNOSTIC
415 GN
OPERATOR MON PANEL TEST SW.
204 BK
OPERATOR MONITOR PANEL (SCRAPER)
416 OR
SECONDARY STEERING SW.
205 BK
INSTRUMENT
417 GY
PRIMARY STEERING SW.
206 BK
BATTERY SIDE OF DISCONNECT
418 WH
OPERATOR MON PANEL OIL PRESS. (HIGH SETTING)
207 BK
STARTER DIAGNOSITC
419 YL
OPERATOR MON PANEL PARKING BRAKE
208 BK
TRAILER CONNECTOR (GROUND)
420 OR
OPERATOR MON PANEL FUEL FILTER/LOW
ACCUM PRESS.
209 BK
FIRE SUPPRESSION SYSTEM
421 BU
OPERATOR MON PANEL FAULT LAMP (SCRAPER)
210 BK
CONVERTER OUTPUT (24/12 VOLT)
422 YL
OPERATOR MON PANEL WARNING HORN (SCRAPER)
211 BK
DISCONNECT DIAGNOSTIC RESISTOR
423 PU
OPERATOR MON PANEL TESTSW. (SCRAPER)
212 BK
ANTISPIN CODING PIN 16
213 BK
ANTISPIN CODING PIN 17
Wire Description
Wire
Number
Wire
Color
Description
Wire
Number
Wire
Color
Description
Monitoring Circuits Accessory Circuits
424 GY OPERATOR MON PANEL POWER TRAIN TEMP 524 BU WINDSHIELD WIPER-LEFT (LOW)
425 PK OPERATOR MON PANEL POWER TRAIN OIL LEVEL 525 GY WINDSHIELD WIPER-LEFT (HIGH)
426 BR OPERATOR MON PANEL POWER TRAIN OIL FILTER 526 YL WINDSHIELD WIPER-RIGHT (PARK)
427 GN
OPERATOR MON PANEL POWER TRAIN OIL FILTER
JUMPER
527 GN WINDSHIELD WIPER-RIGHT (LOW)
428 OR OPERATOR MON PANEL TRANSMISSION OIL TEMP 528 PK WINDSHIELD WIPER-RIGHT (HIGH)
429 YL OPERATOR MON PANEL BRAKE OIL TEMP 529 WH WINDSHIELD WASHER-LEFT
430 BU OPERATOR MON PANEL AIR FILTER 530 OR WINDSHIELD WASHER-RIGHT
431 GN OPERATOR MON PANEL LOW TRANSFER PUMP PRESS. 531 WH FIRE WARNING HORN
432 PK OPERATOR MON PANEL BRAKE PRESS. (OIL) 532 WH FIRE WARNING LAMP
433 BU OPERATOR MON PANEL BRAKE PRESS. (OIL) JUMPER 533 OR HEAT SENSOR/TEST SW.
434 BU OPERATOR MON PANEL POWER TRAIN TEMP JUMPER 534 WH HEAT SENSOR/TEST SW.
435 YL OPERATOR MON PANEL POWER TRAIN TEMP JUMPER 535 BU WINDSHIELD SW. TO WIPER SW.
436 OR
OPERATOR MON PANEL POWER TRAIN OIL FILTER
JUMPER
536 WH HAZARD SWITCH TO TURN SWITCH
437 BR
OPERATOR MON PANEL FUEL LEVEL TO FUEL FILTER
JUMPER
537 GR TURN SIGNAL SW. TO FLASHER
438 YL OPERATOR MON PANEL COOLANT TEMP JUMPER 538 BR HAZARD INDICATOR
439 YL LAMP INDICATOR 539 BU TURN SIGNAL INDICATOR BASIC/RIGHT
440 BR AIR PRESSURE GAUGE 540 WH TURN SIGNAL INDICATOR LEFT
441 OR ENGINE COOLANT TEMP GAUGE 541 GN ACCESSORY 1
442 GY HYDRAULIC SYSTEM TEMP GAUGE 542 BU ACCESSORY 2
443 YL POWER TRAIN TEMP GAUGE 543 BR TRAILER CONNECTOR (TAIL LAMP)
444 BU CONV/RETARDER OIL TEMP GAUGE (TRACTOR) 544 RD TRAILER CONNECTOR (STOP LAMP)
445 GN CONV/RETARDER OIL TEMP GAUGE (SCRAPER) 545 BU TOGGLE SW. TO BUTTON:MOMENTARY TILT ENABLE
446 PU BRAKE OIL TEMPERATURE GAUGE 546 BU AUX HYDRAULIC-ROTATE CLOCKWISE
447 PK FUEL LEVEL GAUGE 547 OR AUX HYDRAULIC-ROTATE COUNTER-CLOCKWISE
448 WH AIR PRESSURE GAUGE 548 GY AUX HYDRAULIC-OPEN
449 BU SPEEDOMETER SENDER (SIGNAL NO. 1) 549 PK AUX HYDRAULIC-CLOSE
450 YL TACHOMETER SENDER (+) 550 OR AUX HYDRAULIC LEFT-DISCONNECT TO SW.
451 BR TACHOMETER SENDER (-) 551 YL AUX HYDRAULIC RIGHT-DISCONNECT TO SW.
452 PU TORQUECONVERTER 552 WH FOUR WHEEL DRIVE SOLENOID
453 PK SECONDARY STEERING FAULT LAMP 553 YL PITCH SOLEOID TO TRIGGER SW.-DUAL TILT
454 GN RETARDER INDICATOR LAMP 554 PK MOMENTARY SW. TO SINGLE TILT SOL.-DUAL TILT
455 YL CONVERTER TEMP SW. TO TIME DELAY 555 OR TRIGGER SW. TO TOGGLE-DUAL TILT
456 BR MONITOR PANEL PTO 556 WH DIFFERENTIAL LOCK
457 PU MONITOR PANEL GROUND SPEED SENDER 557 YL TRAILER CONNECTOR (LEFT TURN/HAZARD)
458 PK MONITOR PANEL +V 558 GN TRAILER CONNECTOR (RIGHT TURN/HAZARD)
459 PK MONITOR PANEL IMPLEMENT POSITION 559 YL AUTOLUBE SOLENOID
460 BU MONITOR PANEL PROGRAM PIN 560 GN HALON PRESS. SW./HALON PRESS. SW.
461 OR OPERATOR PANEL BRAKE AIR PRESS. JUMPER 561 BU HALON PRESS. SW./NITROGEN PRESS. SW.
462 YL STEERING MOTOR INDICATOR 562 YL NITROGEN PRESS. SW./NITROGEN PRESS. SW.
463 YL SENSOR PRESENT 563 PU NITROGEN PRESS. SW./ FIRE MONITOR
464 GY MONITOR PANEL ENGINE OIL PRESSURE SENSOR 564 GY REAR WIPER INTERRUPT SW. TO WIPER SW.
465 OR LOW CHARGE PRESSURE WARNING 565 PU TOGGLE SW. TO BUTTON:MOMENTARY TILT DISABLE
466 WH MONITOR PANEL STEERING OIL TEMPERATURE 566 YL CONDENSOR RELAY COIL TO THERMOSTAT SW.
467 WH SYSTEM FAULT (HYDRST) 567 WH A/C SWITCH JUMPER
468 YL BRAKE OIL CIRCULATION JUMPER 568 GN WARNING BUZZER TO DIODES
469 GN FUEL LEVEL SENDER B+ 569 PK A/C SWITCH JUMPER NO.2
470 PU CANE SWITCH NEUTRAL 570 BU BLADE CUSHION SOLENOID
471 PK TRANSMISSION NEUTRAL TO PARKING BRAKE 571 OR DOZER FLOAT SOLENOID/BUCKET
472 OR PARKING BRAKE SW TO OVERSTROKE SW. 572 PU BLADE FLOAT LIMIT SW. NO.1
473 GY OVERSTROKE SW. TO OVERSTROKE SW. 573 GN BLADE FLOAT LIMIT SW. NO.2
474 WH OVERSTROKE SW. TO OVERSTROKE SW. 574 WH BLADE FLOAT SOLENOID
475 BR OVERSTROKE SW. TO TRAILING UNIT 575 YL WINDSHIELD WIPER-AUX (PARK)
476 BU CONTROL LEVER LOCK INDICATOR 576 PK WINDSHIELD WIPER-AUX (LOW)
477 YL SPEEDOMETER SENDER (SIGNAL NO. 2) 577 PU WINDSHIELD WIPER-AUX (HIGH)
478 GY PRESS. SW. TO RED LAMP-IMPACT RIPPER 578 BU WINDSHIELD WASHER-AUX
479 BU PRESS. SW. TO GREEN LAMP-IMPACT RIPPER 579 BR A/C BLOWER MOTOR NO.1
480 PK NEUTRAL-CST TO AWD 580 OR A/C BLOWER MOTOR NO.2
481 GN CONV TEMP SW. TO BRAKE OIL TEMP SW. 581 GY LEFT REAR TURN/HAZARD
483 BR BRAKE FLUID LEVEL 582 PK RIGHT REAR TURN/HAZARD
464 YL PRIMARY STEERING LAMP 583 OR A/C BLOWER TO BLOWER BREAKER
485 YL OPERATOR MON PANEL ALL WHEEL DRIVE FAULT 584 YL WIPER SWITCH JUMPER
A400 PK FUEL PRESSURE SENDER 585 YL AUX HYDRAULIC-OPEN
A402 BU COOLANT PRESSURE SENDER 586 BR AUX HYDRAULIC-CLOSE
A417 WH EMS SCRAPER TRANSMISSION
Lighting Circuits
Accessory Circuits
600 BR DASH BASIC
500 BR WINDSHIELD WIPER - FRONT (PARK) 601 GY DASH HIGH
501 GN WINDSHIELD WIPER - FRONT (LOW) 602 WH DOME LAMP
502 OR WINDSHIELD WIPER - FRONT (HIGH) 603 PK ROTARY BEACON
503 BR WINDSHIELD WIPER - REAR (PARK) 604 OR STOP LAMP
504 YL WINDSHIELD WIPER - REAR (LOW) 605 YL TURN-LEFT
505 BU WINDSHIELD WIPER - REAR (HIGH) 606 GY TURN-RIGHT
506 PU WINDSHIELD WASHER - FRONT 607 PK FLOOD-FRONT
507 WH WINDSHIELD WASHER - REAR 608 GN FLOOD-REAR
508 PU RADIO SPEAKER-LEFT 609 YL FLOOD-SIDE
509 WH RADIO SPEAKER-LEFT (COMMON) 610 OR HEAD LAMP BASIC
510 YL WINDSHIELD WASHER-PRIMER 611 PU HEAD LAMP HIGH
511 BR RADIO SPEAKER-RIGHT 612 GY BACKUP
512 GN RADIO SPEAKER-RIGHT (COMMON) 613 PK LICENSE PLATE
513 OR
AIR CONDITIONER COMPRESSOR/REFRIGERANT
PRESS. SW.
614 PU PARK/TAIL/DASH
514 PU AIR CONDITIONER CONDENSOR MOTOR 615 YL CAB FLOOD/ROPS
515 GY BLOWER MOTOR (HIGH) 616 BU BUCKET FLOOD/BOOM FLOOD
516 GN BLOWER MOTOR (MEDIUM) 617 BR TAIL/POSITION LAMP-LEFT (ROADING PACKAGE)
517 BU BLOWER MOTOR (LOW) 618 YL TAIL/POSITION LAMP-RIGHT (ROADING PACKAGE)
518 OR HAZARD FLASHER TO SWITCH 619 GR HEAD LAMP LOW
519 PK THERMOSTAT TO REFRIGERANT PRESS. SW. 620 WH FLOOD-FRONT (ENGINE FLOOD LAMP)
520 WH
OPERA TOR AIR CONDITIONER SWITCH TO
THERMOSTAT/FUSE
621 GY FLOODLAMP INDICATOR LAMP
521 YL AIR COND SW. TO REFRIGERANT SWITCH 622 PU FLOODLAMP 3 WAY SWITCH JUMPER
522 WH AIR COND CLUTCH TO THERMOSTAT SW. 623 BU FLOODLAMP 3 WAY SWITCH JUMPER
523 BR WINDSHIELD WIPER-LEFT (PARK) 624 YL FLOOD LAMP BOWL
625 BK COURTESY LAMP
626 BU DASH DIMMER
627 YL FOG LAMP
628 PK RIGHT TURN DASH INDICATOR
629 PK AUX HEAD LAMP
Wire Description
Wire
Number
Wire
Color
Description
Wire
Number
Wire
Color
Description
Lighting Circuits Control Circuits
630 GY FLOOD REAR (ATTACH) 791 PK ENGINE SPEED CONTROL-LOW SPEED SOLENOID
631 GY FOG LAMP-RIGHT 792 OR UNDERSPEED PROPORTIONAL SOLENOID
632 WH FOG LAMP-LEFT 793 YL ENGINE SPEED CONTROL-LOW PRESSURE SWITCH
633 BU ATTACH LIGHTING CIRCUIT 794 YL PAYLOAD MONITOR TRANSMISSION PICKUP
634 WH HEAD LAMP SW TO WORK/HEAD LAMP JUMPER 795 YL DUAL kW SOLENOID
635 BR TURN SIGNAL COMMON 798 GN FAST DUMP SW. TO 4TH FUNCTION SW.
635 BU PAYLOAD MONITOR RED LIGHT 799 WH PAYLOAD MONITOR SENSOR POWER
636 GN PAYLOAD MONITOR GREEN LIGHT 800 BU AUTOMATIC MODE-LOCKUP CLUTCH
637 GN LOCKUP CLUTCH LAMP 801 PK LUBE SOLENOID
Control Circuits
802 YL LUBE PRESSURE SWITCH
700 PK ANTISPIN TEST SWITCH 803 BU AUTO FIRE SYSTEM SWITCH POWER
701 OR TRANSMISSION LOCKUP CLUTCH SOL (SCRAPER) 804 GN AUTO FIRE BRAKE SWITCH
702 OR TRANSMISSION BRAKE SWITCH JUMPER 805 PK AUTO FIRE BRAKE SWITCH
703 BU TRANSMISSION UP SOLENOID 806 GY AUTO FIRE DISCHARGE SWITCH
704 GY TRANSMISSION DOWN SOLENOID 807 BR AUTO FIRE NITROGEN SWITCH TO CONTROL
705 PK TRANSMISSION LOCKUP CLUTCH SOL BASIC 808 PU AUTO FIRE NITROGEN SW. TO NITROGEN SW.
706 BR TRANSMISSION RETARDER SWITCH 809 GN AUTO FIRE SYSTEM WARNING CKT.
707 PU TRANSMISSION BED RAISE SWITCH 810 BU AUTO FIRE SYSTEM FAILURE CKT.
708 YL TRANSMISSION HOLD SWITCH 811 GY FIRE TEST CKT.
709 OR TRANSMISSION PICKUP POWER 812 GN FIRE NITROGEN ACTUATION SOLENOID
710 GN TRANSMISSION SPEED PICKUP SIGNAL 813 PK AUTO FIRE AGENT CYLINDER SW. TO NITROGEN SW.
711 BR TRANSMISSION LEVER CODE 1 814 YL AUTO FIRE AGENT SW. TO AGENT SW.
712 WH TRANSMISSION LEVER CODE 2 815 WH LOCKUP CLUTCH TRANSMISSION PRESSURE SW.
713 OR TRANSMISSION LEVER CODE 3 816 BR AUTO FIRE ALARM
714 YL TRANSMISSION LEVER CODE 4 817 WH BACKUP ALARM RELAY
715 GN TRANSMISSION LEVER CODE 5 818 BR PAYLOAD MONITOR SERIAL DATA (TX)
716 BU TRANSMISSION LEVER CODE 6 819 GY PAYLOAD MONITOR SERIAL DATA (RX)
717 BR BOWL APRON SOL FLOAT/VCTC SOL 820 BU PAYLOAD MONITOR TRANSMIT KEY
720 PU TRANSMISSION BRAKE SW. 821 YL LOCKUP CLUTCH PRESSURE SENSOR RETURN
721 BR TRANSMISSION GEAR CODE 1 822 PK FORWARD HYDRST SYNC SOLENOID
722 WH TRANSMISSION GEAR CODE 2 838 YL FRONT GUARD MOTOR
723 OR TRANSMISSION GEAR CODE 3 839 BU FRONT GUARD MOTOR
724 YL TRANSMISSION GEAR CODE 4 856 GN ENGINE UNDERSPEED CONTROL-THROTTLE SWITCH
725 GN TRANSMISSION GEAR CODE 5 857 OR SWING ORIFICE SOLENOID (EXCAVATOR)
726 BU TRANSMISSION GEAR CODE 6 858 GY PAYLOAD MONITOR RIGHT FRONT SIGNAL
727 GN STEERING MOTOR RELAY 859 YL PAYLOAD MONITOR LEFT FRONT SIGNAL
728 BU SUPPLEMENTAL STEERING CONTROL SWITCH 860 PK PAYLOAD MONITOR RIGHT REAR SIGNAL
729 PU EJECTOR RETURN SOLENOID 861 PU PAYLOAD MONITOR LEFT REAR SIGNAL
730 OR EJECTOR RETURN DETENTED SOLNOID 863 BU PAYLOAD MONITOR TRANSMIT LCD OUT
731 BU EJECTOREJECT DETENTED SOLENOID 864 BR PAYLOAD MONITOR CLOCK LCD OUT
732 BR EJECTOR KICKOUT ON RETURN SOLENOID 865 GY PAYLOAD MONITOR LATCH LCD OUT
733 BR SWITCHING GEAR CODE 1 FRONT 866 PK PAYLOAD MONITOR TEST/SET
734 WH SWITCHING GEAR CODE 2 FRONT 867 PU PAYLOAD MONITOR MODE
735 OR SWITCHING GEAR CODE 3 FRONT 870 OR 3 POINT HITCH CONTROL-DOWN SOLENOID
736 YL SWITCHING GEAR CODE 4 FRONT 871 BU 3 POINT HITCH CONTROL-SOLENOID COMMON
737 GN SWITCHING GEAR CODE 5 FRONT 872 YL 3 POINT HITCH CONTROL-UP SOLENOID
738 BR SWITCHING GEAR CODE 1 REAR 873 WH FRONT GUARD POWER
739 WH SWITCHING GEAR CODE 2 REAR 874 GY REAR GUARD POWER
740 OR SWITCHING GEAR CODE 3 REAR 878 OR DISPLACEMENT SOLENOID
741 YL SWITCHING GEAR CODE 4 REAR 888 PK 3 POINT HITCH CONTROL-HITCH POSITION
742 GN SWITCHING GEAR CODE 5 REAR 889 GY 3 POINT HITCH CONTROL-HANDLE POSITION
743 PU SWITCHING NEUTRAL/RUN SW. 890 PU 3 POINT HITCH CONTROL-HOOKUP SWITCH
744 BU SWITCHING UP SOLENOID 896 GN NEUTRAL START CONTOL TO AUGER MASTER SW.
745 GY SWITCHING DOWN SOLENOID 897 GN REAR GUARD MOTOR
746 PK SWITCHING SYNCHRONIZE SOLENOID 898 PU REAR GUARD MOTOR
747 WH SWITCHING NO SYNCHRONIZE SOLENOID 904 WH IMPACTOR SWITCH TO RELAY CONTACT
748 BR SUPPLEMENTAL STEERING DUMP VALVE (MOTOR GR.) 905 PK IMPACTOR SWITCH TO RELAY CONTROL
749 OR
SUPPLEMENTAL STEERING GOVERNOR SWITCH
(MOTOR GR.)
906 PU RELAY CONTACT TO DRAWBAR PRESSURE SWITCH
750 GN EJECTOR KICKOUT 907 YL TRIGGER SWITCH TO HOUR METER
751 GN COUNTERSHAFT SHIFT SOLENOID NO.1 OR 3 908 GY DRAWBAR PRESS. SW. TO RIPPER FRAME PRESS. SW.
752 YL COUNTERSHAFT SHIFT SOLENOID NO. 2 910 YL TRANSMISSION NEUTRALIZER SWITCH TO OVERRIDE
753 GY LOCKUP CLUTCH CONTROL TO SWITCH 916 BU SCRAPER TRANSMISSION GEAR CODE 6
754 BU COUNTERSHAFT SHIFT SOLENOID NO.3 OR 1 916 GY SWITCH TO LOCKUP CLUTCH CONTROL ENABLE
755 OR COUNTERSHAFT SHIFT SOLENOID NO.4 OR 5 917 WH DUAL HP RELAY TO SWITCH
756 WH TRANSMISSION LOCKUP CLUTCH SOLENOID 918 OR ENGINE OVERSPEED LIGHT AND HORN
761 GY LIFT KICKOUT SOLENOID SW. 919 GN ENGINE OVERSPEED TEST SWITCH
762 YL BUCKET POSITIONER SOLENOID SW. 929 GN BRAKE RETRACT BREAKER TO RELAY
763 BU TORQUE CONVERTER SWITCH 930 BR BRAKE RETRACT SWITCH TO RELAY COIL
764 PU SUPPLEMENTAL STEERING CONTROL SW. (MOTOR GR.) 931 GY AUTO FIRE NITROGEN SW. TO NITROGEN SW.
765 OR APRON SOLENOID (SCRAPER) 932 GN AUTO FIRE AGENT SWITCH TO AGENT SWITCH
766 GN TRANSMISSION DISCONNECT SOLENOID 933 PU AUTO FIRE AGENT SW. TO NITROGEN SW.
767 WH ANTISPIN PICKUP POWER
768 OR ANTISPIN PICKUP TRANSMISSION
769 BU WHEEL SPEED PICKUP-LEFT
770 GN WHEEL SPEED PICKUP-RIGHT
771 PU ANTISPIN SERVICE BRAKE SW.
772 BR ANTISPIN RETARDER SW.
773 GY ANTISPIN SERVOVALVE
774 YL ANTISPIN SOLENOID-LEFT
775 BR ANTISPIN SOLENOID-RIGHT
776 YL BRAKE RELEASE RELAY CONTROL
777 PU BRAKE RELEASE MOTOR
778 BR DIRECT DRIVE LOW RANGE SOLENOID
779 WH COUPLER ENGAGE SOLENOID
780 PU COUPLER DISENGAGE SOLENOID
781 PK AUGER MASTER SW. TO AUGER SW.
782 GY 4TH VALVE SW. TO 4TH VALVE SOLENOID
783 OR DOWNSHIFT INHIBIT
784 YL LOCKUP CLUTCH INHIBIT
785 PK ENGINE SPEED CONTROL PRESS. SW. TO MODE SW.
786 GN ENGINE SPEED CONTROL-HI PRESSURE SWITCH
787 WH AUGER SWITCH TO AEM RESISTOR
788 YL ENGINE SPEED (+)
789 PK CONTROL LEVER LOCK
790 BU ENGINE SPEED CONTROL-MEDIUM SPEED SOLENOID
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
29
30
31
32
33
24
25
26
27
28
19
20
21
22
23
16
17
18
Tractor:
90Z164-166
90Z169-172
90Z174-224
91Z290-292
91Z294
91Z296
91Z299-460
1
BK-00
NEG POS
12V BATTERY
9G2648
747-WH
POS NEG
12V BATTERY
9G2648
FUEL
PUMP SW
6T7663
2
2
3
1
200-BK
601-GY
A
B
C
+V
SIGNAL
GROUND
TRANSMISSION
SPEED SENDER
7T6337
114-GN
308-YL
308-YL
123-WH
200-BK
200-BK
OPERATOR STATION
37
JJ
36
35
34
33
32
30
6
7
31
29
202-BK
202-BK
10
200-BK
304-WH-8
323-WH
200-BK
610-OR-14
611-PU-14
610-OR-14
405-GY
2
2
1
7
6
THIS SCHEMATIC IS FOR THE 657E WTS (3T4247 CHG 14)
E
8W3493
8W5123
AND XMSN SHIFTER IN NEUTRAL
OPERABLE MACHINE WITH THE KEY AND ENGINE OFF,
COMPONENTS ARE SHOWN INSTALLED ON A FULLY
7T8200
8W4636
C
C
ATCH
NOTE
CABLE AS.
8W6870
8W1352
8W1353
8W1354
8W0980
5T0103
5T0102
5T0101
5T0100
9G0549
5H0837
7T3418
8W6016
NOTE C: REPLACES STD HARNESS ON 657E COAL SCRAPER
NOTE B: NORMALLY CLOSED WHEN DOOR OPEN
2W8715
2W8662 STD
A-2
A-2
YY
YY
B-8
5T7075 C-7T
5T7076 C-7P
XX 5T4502 A-6
C-2
8S2633
4N6579
CIRCUIT NOT CONNECTED
CIRCUIT CONNECTED
D-85T3457VV
5T3525WW
A-6
A-2
A-3/A-6
A-6
A-6
C-1
C-2
A-6/C-1
A-3/A-6
E-1
E-7
D-1
407-PK
E-6
B-4/C-8
A-2
A-8
A-8
C-7
C-7
C-7
5
C-7
C-7
C-7
4
C-7
B-4
C-5
C-3
E-1
C-2
C-5
F-2
LOC
UU
SS
6G9545
5T1779
QQ
PP
NN
WIRE AS.
KK
9F4337HH
2G4177GG
HARNESS AS.
PART NO.IDENT
8W6869
6G9836
6G9834
3
6G9839
6G9729
6G9735
6G9768
FF
EE
DD
CC
BB
Z
Y
X
W
V
U
T
S
D-6
Q
P
M
MM
L
K
6G6696
J
G
F
E
D
A
NOTE A: NORMALLY OPEN BEFORE REFRIGERANT CHARGE
BLUE
GREEN
BU
GN
RD
WH
OR
YL
PK
BK
BLADE, SPADE, RING,
OR SCREW TERMINAL
INTERNAL ELECTRICAL
CONNECTION TO SURFACE
OF COMPONENT
ELECTRICAL CONNECTION
TO VEHICLE STRUCTURE
CONNECTOR
SYMBOL DESCRIPTION
BROWN
PURPLE
GRAY
BLACK
COLORABBREV
PINK
YELLOW
ORANGE
WHITE
RED
BR
PU
GY
UNLESS OTHERWISE SPECIFIED: ALL WIRE IS 16 GAGE
CONV TEMP
(TRACTOR)
4W0485
TRANSMISSION
CONTROL
9W0009
REAR WIPER
6T6216
COOLANT
TEMP GAGE
4W0483
CONV TEMP
(SCRAPER)
4W2063
ID CODE 0
ID CODE 1
ID CODE 2
ID CODE 3
+10V
DOOR DOME
LAMP SW
(NOTE B)
3T3133
PANEL
LAMP
7N5876
GND VERIFY
GND VERIFY
LEVER 1
LEVER 2
LEVER 3
LEVER 4
LEVER 5
NEUTRAL
GROUND
GND VERIFY
SHIFT
LEVER
SW
9G8204
3
4
5
8
9
10
2
1
6
7
NC
NOC
765-OR
FORWARD HORN
SOLENOID
2G5694
GEAR 1
FRONT GR 1
FRONT GR 2
FRONT GR 3
FRONT GR 4
FRONT GR 5
XMSN SP
126-PK
765-OR
765-OR
200-BK
121-YL
200-BK
J
VV
APRON
SW
2G3970
119-PK
126-PK
400-GN
400-GN
119-PK
126-PK
200-BK
121-YL
121-YL
2
1
WHBK
GN
GY
BR
OR
4
2
3
1
H
L
MOTOR
-T
SERVICE METER
3T8325
200-BK
200-BK
321-BR
126-PK
126-PK
103-YL
14
13
D
HEAD LAMP
DIMMER SW
2H1855
OPERATOR STATION
OPERATOR STATION
OPERATOR STATION
OPERATOR STATION
27
37
36
30
29
5
20
8
12
11
D
PP
DIFFERENTIAL
LOCK SOLENOID
7N9719
200-BK
321-BR
610-OR-14
611-PU-14
114-GN
123-WH
601-GY-14601-GY-14
123-WH123-WH
441-OR
444-BU
1
5T2735
APRON
SOLENOID
7N9719
IGN
SEND
GRD
IGN
SEND
GRD
IGN
SEND
GRD
16
DOME
LAMP
7N8043
DOME
LAMP SW
7N8000
PARKING
BRAKE SW
9G8009
DIFFERENTIAL
LOCK SW
9G2795
LEVER 5
LEVER 4
LEVER 3
LEVER 2
LEVER 1
HOLD SW
GROUND
DOWN SOL
UP SOL
GEAR 5
GEAR 4
GEAR 3
GEAR 2
+ BATTERY
15
14
13
12
11
19
18
17
20
6
7
8
2
10
9
4
3
26
25
24
23
22
21
28
35
34
33
32
31
1
200-BK
321-BR
601-GY-14
200-BK
602-WH
322-GY
200-BK
324-BU
200-BK
602-WH
200-BK
322-GY
114-GN
610-OR-14
611-PU-14
200-BK
602-WH
200-BK
103-YL
602-WH
1
2
3
4
601-GY-14
409-OR
601-GY-14
200-BK
103-YL
409-OR
202-BK
716-BU
708-YL
202-BK
708-YL
602-WH
710-GN
709-OR
704-GY
703-BU
726-BU
725-GN
724-YL
723-OR
722-WH
721-BR
202-BK
202-BK
737-GN
736-YL
735-OR
734-WH
733-BR
715-GN
714-YL
713-OR
712-WH
711-BR 601-GY-14
505-BU
504-YL
503-BR
00
01
04
02
00
01
03
03
01
01
00
00
00
00
05
03
07
00
01
BASE
7G9730
200-BK
02
00
01
00
202-BK
LAMP
5D0019
LAMP
5D0019
LAMP
5D0019
00
01
C
747-WH
02
D
Z
Z
01
00
00
00
00
03
04
BACKUP
ALARM SW
6G4195
04
103-YL
123-WH
505-BU
504-YL
503-BR
712-WH-18
713-OR-18
714-YL-18
715-GN-18
409-OR-18
01
716-BU-18
444-BU
441-OR
445-GN
123-WH
716-BU
202-BK
409-OR
715-GN
714-YL
713-OR
712-WH
711-BR
6
9
7
5
4
3
2
1
8
10
711-BR-18
321-BR
200-BK
00
02
02
03
01
19
18
14
17 747-WH
2
709-OR
710-GN
704-GY
02
T S
721-BR
722-WH
723-OR
724-YL
725-GN
201-BK
204-BK
423-PU
421-BU
422-YL
445-GN
743-PU
X
202-BK
126-PK
737-GN
736-YL
735-OR
734-WH
733-BR
- +
610-OR-14
515-GY-14
REAR
WASHER
7T8891
FRONT WASHER
7T8891
TACHOMETER
8T9711
BASE
3T0304
BASE
3T0304
6
THERMOSTAT SW
7T9277
RESISTOR
9G1950
516-GN-14
REAR WIPER SW
3T6655
FRONT WIPER SW
3T6655
408-WH
307-OR
RD
MAIN
RELAY
3T0376
ALT
BREAKER
9S4693
80
FAULT
ALARM
(TRACTOR)
9G9813
FAULT ALARM
(SCRAPER)
9G9813
OPERATOR
MONITOR
3T9100
203-BK
203-BK
203-BK
203-BK
-+
SIG
200-BK
200-BK-6
REFRIGERANT SW
(NOTE A)
9D6888
FORWARD
HORN SW
3T2357
PANEL DIMMER
RESISTOR
3T3123
PANEL
DIMMER SW
3T3134
PANEL LAMP
7N5876
PANEL
LAMP
7N5876
FUSE
3K8782
DIAGNOSTIC CONNECTOR
BLOWER SW
6P3236
OR
GRN
BLU
BLK
RED
304-WH
SUPPL STER
CV/RTD TEMP
FUEL PR
COOL TEMP
COOL FLOW
AIR PR
101-RD
601-GY-14
RD
601-GY-14
204-BK
126-PK
TRANSMISSION
601-GY-14
ALARM
726-BU
703-BU
400-GN
601-GY-14
600-BR-14
601-GY-14
101-RD
FRONT
WIPER
6T6216
A
T
MASTER
FAULT LAMP
(SCRAPER)
7N1996
MASTER FAULT LAMP (TRACTOR)
7N1996
-
MOTOR
L
H
118-GY
1
3
2
4
OR
BR
GY
GN
119-PK
B
W P
L
H
B
B
W P
L
H
B
112-PU-4
KEY
BREAKER
9G9487
19
37
PARK BK
NEUTRAL
OPERATOR STATION
OPERATOR STATION
OPERATOR STATION
HORN & DIFFERENTIAL LOCK
20
19
18
17
16
15
14
13
35
34
33
32
31
30
29
27
20
14
16
11
5
207-BK
NN
NN
NND
D
OPERATOR MONITOR
TEST SW
7N8008
201-BK
DOME LAMP,
BREAKER
9G9487
HEAD LAMP
& DASH BREAKER
3T2662
REAR WIPER
BREAKER
7N1621
614-PU-14
6
7
4
3
2
1
5
6
10
9
4
5
2
3
1
200-BK
708-YL
201-BK
200-BK
200-BK
126-PK
200-BK
304-WH-8 306-GN
200-BK
419-YL
506-PU
506-PU
507-WH
322-GY
121-YL
322-GY
507-WH
409-OR
608-GN
310-PU
610-OR-14
611-PU-14
602-WH
200-BK
114-GN
322-GY
200-BK-14
515-GY-14
517-BU-14
513-OR-14
200-BK-8
109-OR-4
123-WH
1
3
602-WH
4
5
708-YL
322-GY
507-WH
506-PU
200-BK
6
7
13
18
2
10
11
610-OR-14
611-PU-14
602-WH
15
12
14
2
1
4
5
3
6
NP
8
9
16
17
19
506-PU
200-BK
20
200-BK
507-WH
1
506-PU
200-BK
507-WH
W
2
1RD
00
C-99G6259RR
515-GY-14
Q
FUSE BLOCK
2G7118
23
102-BU-14
START
RELAY
9F3099
112-PU-6
109-OR-4
109-OR-4
101-RD-14
101-RD-12
406-PU
409-OR 9
18
4
16
6
20
28
36
BASE
9D8047
BASE
9D8047
WH/RD-14
WH/RD-14
BK-14
BK-14
BK
RD
BK
RD
519-PK-14
415-GN
201-BK
415-GN
410-WH
6
302-OR
311-WH
OPERATOR MONITOR
1
6
5 4
3
2
3
2 1
D
BK
01
RD
01
2
02
03
C
TEST
LAMP
ENG OIL PR
ALTERNATOR
GROUND
+ BATTERY
3
1
15
10
2
1
2
1
2
1 5
3
01
2
1
2
1
2
1
D
F
FF
D
D
D
D
D
710-GN
KEY START SW
9G7641
FLOOD LAMP SW
7N8000
BLOWER
9G8697
BLOWER
9G8693
RUNNING
LAMP SW
7N8005
NEUT/RUN SW
7N8000
START AID SW
3T3453
10
21
22
23
24
25
26
9
10
2
3
4
15
12
8
13
1
7
18
17
6
12
8
5
4
9
1
11
10
2
7
3
BASE
7G9730
PANEL
LAMP
7N5876
2
01
101-RD
307-OR
204-BK
422-YL
421-BU
204-BK
423-PU
520-WH-14
411-PK
119-PK
118-GY
517-BU-14
515-GY-14
200-BK-14
103-YL
101-RD-12
114-GN
124-GN-14
112-PU
608-GN
308-YL
105-BR
102-BU-14
202-BK
743-PU
310-PU
502-OR
501-GN
500-BR
113-OR
116-BR
308-YL
114-GN
102-BU-14
118-GY
119-PK
505-BU
504-YL
503-BR
15
11
10
17
14
7
5
13
12
3
2
8
19
1
101-RD-4
109-OR-4
304-WH-8
306-GN
112-PU
308-YL
304-WH
109-OR
105-BR
311-WH
310-PU
302-OR
207-BK
321-BR
200-BK
200-BK-14
515-GY-14
517-BU-14
513-OR-14
201-BK
415-GN
411-PK
410-WH
417-GY
201-BK
407-PK
405-GY
413-BR
412-BU
403-GN
201-BK
408-WH
419-YL
113-OR
1
FLOOD LAMPS
TRANSMISSION
TT
10A
10A
S
10A
10A
118-GY
QQ
114-GN
113-OR
308-YL
102-BU-14
119-PK
721-BR
722-WH
723-OR
724-YL
725-GN
709-OR
202-BK
704-GY
122-BU
121-YL
NN
201-BK
417-GY
323-WH
608-GN
611-PU-14
610-OR-14
310-PU
412-BU
403-GN
201-BK
413-BR
405-GY
407-PK
406-PU
513-OR-14
451-BR
450-YL
441-OR
444-BU
101-RD-4
304-WH-8
310-PU
3
C
NC
2
1
2
1
G
MOTOR MOTOR
MOTOR
MOTOR
BK
WH
ST
ON
OFF
B
S
C
R
-T
BAT
D
G
DISCONNECT SW
7N0718
1
ENGINE OIL SW
6T7663
ENGINE OIL SW
6T7663
COOLANT SW
6T9316
FUEL SW
9W3187
UP SHIFT
SOLENOID
9P0222
DOWN SHIFT
SOLENOID
9P0222
SYNC
SOLENOID
9P0222
1
10
9
TRANSMISSION SW
(SCRAPER)
7T3419
Y
Y
J
I
H
F
G
E
D
C
B
A
GND VERIFY
GROUND
GEAR 5
GEAR 4
GEAR 3
GEAR 2
GEAR 1
8
7
6
5
4
3
2
BU-18
BK-18
GN-18
YL-18
OR-18
WH-18
BR-18
2
Q
MM
BK-8
ALTERNATOR
6N9294
STARTER
3T8967
OPERATOR MONITOR
3T9200
FRONT GR 3
A
9
28
203-BK
109-OR-8
109-OR
105-BR
101-RD
CONVERTER SW
(SCRAPER)
7N9560
CONVERTER
SENDER
(SCRAPER)
6N5926
TRANSMISSION SWITCHING CONTROL
(SCRAPER)
8C5374
ZZ
12V BATTERY
9G2648
XX
DIAGNOSTIC
CONNECTOR
FUEL PR
COOL FLOW
CV/RET TEMP
COOL TEMP
REAR GR 1
REAR GR 2
REAR GR 3
REAR GR 4
REAR GR 5
FRONT GR 5
FRONT GR 4
FRONT GR 2
FRONT GR 1
ALARM
421-BU
423-PU
204-BK
308-YL
311-WH
200-BK
A-28T9825
200-BK
601-GY-14
6
202-BK
ZZ
109-OR
123-WH
UU
FF
NEGPOS
114-GN
NEUTRAL/
START SW
7T6141
200-BK
BK-00
BK
BK
MASTER FAULT
LAMP (SCRAPER)
7N5876
SERVICE METER
3T8325
2
1
U
G S
MTR BAT
MOTOR
204-BK
207-BK
306-GN
307-OR
AUX START
RECEPTACLE
RD-00
BK-00
TO
FRAME
BK-6
BK-00
HH
HOLD SW
9G2795
TO ENG
BLOCK
GG
BB
RD-00
BK-00
202-BK
202-BK
414-PK
GAGES
10A
121-YL
122-BU
FUEL
PUMP
RELAY
3T0376
200-BK
323-WH
321-BR
121-YL
708-YL
1
5
3
2
4
QV
W
Q
20
19
17
16
9
8
20
19
17
16
9
8
20
19
17
16
9
8
20
27
19
20
20
19
18
17
16
15
14
13
20
19
COOLANT SW
6N5899
KEY
BREAKER
9G9487
ALTERNATOR
BREAKER
2H1507
COOLANT SW
7N9785
START AID
SOLENOID
7N7259
LAMP
7N5876
INSTRUMENT SW
7N8000
OPERATOR MONITOR
TEST SW
7N8001
LAMP
325-PK-14
START
RELAY
9F3099
BOWL
FLOOD LAMP
1M1882
KK
125-OR
BASE
2N2371
BASE
9G3057
GAGES
BK/PK-14
BK-14
BK-18
BK-18
706-BR
202-BK
202-BK
202-BK
737-GN
202-BK
202-BK
2
1
+ BATTERY
ENG OIL PR
ALTERNATOR
GROUND
TEST
SYNC SOL
DOWN SOL
UP SOL
11
12
13
14
2
16
17
GND VERIFY
GROUND
15
N/RUN SW
+ BATTERY
2
1
40
10
V
W
W
VW
Q Q Q
V
JRRS
TU
V U
PQ N M M L
L
445-GN
204-BK
423-PU
421-BU
422-YL
3
4
5
6
7
1
9
2
13
10
11
15
12
RR
733-BR
734-WH
735-OR
736-YL
737-GN
126-PK
B-2
743-PU
421-BU
422-YL
423-PU
204-BK
445-GN
6G5258
738-BR
739-WH
740-OR
741-YL
742-GN
202-BK
BRAKE SW
8T9815RETARDER SW
8T9815
JJ
KEY START SW
9G7641
START AID SW
3T3453
BACKUP
ALARM
3T1815
608-GN323-WH
200-BK
405-GY
408-WH
311-WH
403-GN
201-BK
204-BK
400-GN
200-BK
406-PU
204-BK 204-BK
204-BK
204-BK
BK
308-YL
310-PU
311-WH
105-BR
204-BK
601-GY
105-BR
306-GN
308-YL
744-BU
745-GY
746-PK
400-GN
423-PU
204-BK
204-BK
421-BU
109-OR-8
105-BR
EE
311-WH
200-BK
207-BK
207-BK
26
101-RD-8
304-WH
109-OR-8
302-OR
109-OR
101-RD
302-OR
8
12
11
4
2
1
9
5
7
3
6
10
304-WH-8
413-BR
412-BU
407-PK
406-PU
405-GY
403-GN
204-BK
445-GN
445-GN
204-BK
421-BU
423-PU
422-YL
403-GN
412-BU
204-BK
413-BR
405-GY
445-GN
407-PK
406-PU
608-GN
202-BK
116-BR
720-PU
706-BR
310-PU
306-GN
308-YL
202-BK
747-WH
FUEL PUMP
BREAKER
9G9882
10
6
3
5
4
1
2
112-PU
14
12
15
11
10
14
12
15
11
10
14
12
15
11
10
7
6
3
5
4
1
2
FUEL
PUMP
1W4279
MOTOR
202-BK
706-BR
B
A
A
B
B
A
CIRCIUT GROUPING
DESIGNATION
L#
OPER MON
XMSN SP
+10V
A417-WH
710-GN
709-OR
202-BK
A417-WH
A417-WH
A417-WH
706-BR
202-BK
706-BR
202-BK
BRAKE
RETARDER
720-PU
706-BR
408-WH
306-GN
1
321-BR
121-YL
2
1
18
17
16
14
8
9
13
12
7
6
5
3
2
11
15
10
4
1121-YL
321-BR
422-YL
423-PU
421-BU
204-BK
403-GN
405-GY
406-PU
407-PK
412-BU
413-BR
400-GN
308-YL
306-GN
105-BR
311-WH
310-PU
121-YL
321-BR
203-BK
308-YL
16
17
14
9
19
4
8
18
421-BU
423-PU
413-BR
412-BU
407-PK
406-PU
405-GY
403-GN
422-YL
204-BK 2
11
15
13
12
7
6
5
3
10
2
18
13
7
6
5
4
3
1
2
18
13
7
6
5
4
3
1
2
18
13
7
6
5
4
3
1
25
24
23
22
21
5
4
1
C-5
445-GN
204-BK
423-PU
421-BU
422-YL
6G9732
743-PU
736-YL
735-OR
734-WH
733-BR
126-PK
710-GN
709-OR
916-BU
C
CHG
742-GN
741-YL
740-OR
739-WH
738-BR
744-BU
745-GY
746-PK
8743-PU
737-GN
736-YL
735-OR
734-WH
733-BR
126-PK
126-PK
733-BR
18
734-WH
735-OR
736-YL
743-PU
202-BK
737-GN
202-BK
202-BK
201-BK
112-PU-6
2
15
-T
A417-WHXMSN
916-BU
ALT
+
R
-T
-T
ST
ON
OFF
B
S
C
R
201-BK
414-PK
7
2
1
4
5
3
6
747-WH
1
123-WH
123-WH
-+
-T
C
D
TACHOMETER
SENDER
7T6945
DISCONNECT SW
7N0718
BLOWER MOTOR
BREAKER
6N8589
202-BK
16
3
10A
414-PK 414-PK
201-BK
202-BK
414-PK
FUEL SW
9W3187
LO BEAM
HEAD LAMP
9W0053
LO BEAM
HEAD LAMP
9W0053
TRANSMISSION
SPEED SENDER
7T6337
ALTERNATOR
8N0999
ENGINE OIL SW
6T7663
ENGINE OIL SW
6T7663
COOLANT SW
6T9316
GROUND
SIGNAL
+V
C
B
A
G G
122-BU
202-BK-18
325-PK-14
AIR SW
9G8009
201-BK
408-WH
408-WH
FRONT WIPER
408-WH
AIR DRYER
RESISTOR
6T2217
HI BEAM
HEAD LAMP
5S5148
HI BEAM
HEAD LAMP
5S5148
DOWN SHIFT
SOLENOID
9P0222
UP SHIFT
SOLENOID
9P0222
1
10
9
STEERING SW
7T2078
TRANSMISSION SW
(TRACTOR)
7T3419
BU-18
BK-18
GN-18
YL-18
OR-18
WH-18
BR-18
I
H
J
F
G
E
D
C
B
A 8
7
6
5
4
3
2
GND VERIFY
GROUND
GEAR 5
GEAR 4
GEAR 3
GEAR 2
GEAR 1
Y
Y
J
-T
BK-6
TRANSMISSION
TRANSMISSION
TRANSMISSION
STARTER
3T8967
YY
323-WH
BACKUP ALARM
10A
10A
2
708-YL
1
CONVERTER SENDER
(TRACTOR)
6N5926
CONVERTER SW
(TRACTOR)
7N9560
413-BR
12V BATTERY
9G2648
NEGPOS
726-BU
5 4
2
301-BU
WW
BK-00
400-GN
302-OR
2
1
304-WH-8
G S
MTR BAT
MOTOR
BK-00
207-BK
RD-00
101-RD-4
200-BK-8
200-BK
HH
GG
SS
TO
FRAME
AUX START
RECEPTACLE
BK-00
RD-00
BK-00
BK-6
TO ENG
BLOCK
2
1
2
1
4
8
COOLANT SW
6N5899
451-BR
450-YL
201-BK
109-OR-4
207-BK
AIR
CONDITIONER
CLUTCH
SOLENOID
7N4296
START AID
SOLENOID
7N7259
COOLANT SENDER
6N5926
COOLANT SW
7N9785
710-GN
200-BK-8
114-GN
109-OR-4 19
24
201-BK
520-WH-14
419-YL
608-GN
520-WH-14
323-WH
203-BK
CUTTING
EDGE
FLOOD
LAMP
2S4783
C-65T2360
122-BU
403-GN
BK-18
BK-18
BK
BK
BK
BK
710-GN
513-OR-14
451-BR
450-YL
441-OR
444-BU
9
15
16
17
14
21
25
G
G
JJ
K K
K
JJ
J
J
J G
BBCC
E
EG
2
1
2
1
AIR DRYER
2G2159
407-PK
406-PU
441-OR
444-BU
311-WH
412-BU
122-BU
311-WH
310-PU
2
1
B
A
B
A
202-BK
202-BK
202-BK
709-OR
703-BU
704-GY
RD-00
BK-00
BK-00
417-GY
201-BK
TT
200-BK
200-BK
201-BK
201-BK
201-BK
201-BK
E-4
201-BK
311-WH
611-PU-14
610-OR-14
310-PU
7
13
611-PU-14
610-OR-14
5T2736
1
5
4
2
3
RD-00
BK-00
517-BU-14
3
4
5
11
18
8
22
1
20
6
23
5
4
2
3
12
10
412-BU
403-GN
201-BK
413-BR
405-GY
407-PK
406-PU
101-RD-4
304-WH-8
302-OR
2
7
200-BK
417-GY
201-BK
121-YL
200-BK
321-BR
704-GY
703-BU
202-BK
709-OR
726-BU
725-GN
724-YL
723-OR
722-WH
721-BR
1
LL
101-RD-4
8W1351
C-76G9728R
C-76G9838N
1
122-BU122-BU
310-PU
311-WH
DD
122-BU
408-WH
703-BU
W/O STEERING
SWITCH CONNECT
PLUG J TO
RECEPTACLE J
202-BK
-T
-T
200-BK
513-OR-14
325-PK-14325-PK-14
-T
ALT
+
R
-T
-T
9 7
6 5 4
3 2
1
8
9 7
6 5 4
3 2
1
8
D
E
F
A
B
C
D
E
F
A
B
C
D36536
