12G, 120G, 130G, & 140 MOTOR GRADERS ELECTRICAL SYSTEM | CAT Machines Electrical Troubleshooting

1987 Caterpillar

Printed in U.S.A.

SENR3651

August 1987

12G, 120G, 130G & 140 Motor Graders

Electrical System

MOTOR GRADER:

3WC1067-UP

61M12027-UP

72V10334-UP

74V2321-UP

87V8360-UP

11W1251-UP

12W1082-UP

13W741-UP

Harness Connector And Component Locations

IDENT.

SCHEMATIC

COMPONENTS

LOCATION IDENT.

SCHEMATIC

COMPONENTS

LOCATION

1 Alarm-Backup C-12 27 Solenoid - Start Aid B - 12

B Alarm - Fault C-6 28 Solenoids - Blade Cushion D-2

2 Alternator A - 12 29 Solenoids - Blade Float (Left Side) D-2

3 Batteries - 120G A-11,12 30 Solenoids - Blade Float (Right Side) C - 2

4 Batteries - 12G And 140G A-11,12 B Switch - Backup Alarm C - 6

5 Batteries - 12G And 140G (Heavy Duty)

A -12,

F - 11

D Switch - Beacon (Close ROPS Only) B-4

6 Batteries - 130G A-11,12 D Switch - Beacon (Open ROPS Only) C-7

B Breaker - Alternator E-8 A Switch - Blade Cushion B-3

7 Breaker - Dual Horsepower C - 11 D Switch - Blade Float D - 2,B - 2

8 Breaker - Head Lamp A-7 A Switch - Blade Float'. D-4

9 Control - Supplemental Steering D - 11 D Switch - Blade Flood Lamp C - 7

10 Dryer - Air A - 11 C Switch - Blower (A/C) E-4

11 Flasher - Turn Signal A-5 D Switch - Blower (Front Defroster) E-2

12 Gauge - Engine Coolant Temperature D - 11 D Switch - Blower (Rear Defroster) D-9

13 Horn - Forward F-2 A Switch - Differential Lock B-4

14 Meter - Service C - 11 31 Switch - Disconnect A - 11

A Monitor - Operator (EMS) D-3 32 Switch - Dual Horsepower Solenoid E -12

D Motor - Blower (Front Defroster) E-2 33 Switch - Engine Coolant Temperature (EMS E - 12

D Motor - Blower (Rear Defroster) D-9 34

Switch - Engine Coolant Temperature

(Start Aid)

D - 11

D Motor - Front Lower Washer A-4 35 Switch - Engine Oil Pressure (EMS) E - 11

D Motor - Front Lower Wiper C-2 36 Switch - Engine Oil Pressure (Service Mete

r D - 11

D Motor - Front Upper Washer A-3 D Switch - Front Lower Wiper C-4

D Motor - Front Upper Wiper C-2 D Switch - Front Upper Wiper C-4

D Motor - Rear Wiper E-8 37 Switch - Fuel Pressure (EMS) B -12

15 Motor - Starter C - 11 B Switch - Head Lamp D-7

Motor - Supplemental Steering

(120G & 130G)

E - 11 38 Switch - Head Lamp Dimmer F-5

Motor - Supplemental Steering

(12G & 140G)

E - 11 A Switch - Horn D-4

D Motors - Blower (A/C) E-5 39 Switch - Hydraulic Oil Temperature (EMS) C - 10

D Motors - Blower (Heater) E-6 B Switch - Key Start D-6

18 Relay - Dual Horsepower F - 12 B Switch - Lo Beam Head Lamp C - 7

B Relay - Main C-6 B Switch - Neutral/Start C - 6

B Relay - Start C-6 A Switch - Operator Monitor Test (EMS) D-4

Relay - Supplemental Steering

(120G & 130G)

E - 11 B Switch - Rear Flood Lamp C - 7

Relay - Supplemental Steering

(12G & 140G)

E - 11 D Switch - Rear Wiper E-9

D Resistor - Blower Motor Speed (A/C) E-5 40 Switch - Refrigerant Pressure (A/C) B -12

Resistor - Blower Motor Speed

(Front Defroster)

E-2 B Switch - Start Aid C - 8

Resistor - Blower Motor Speed

(Rear Defroster)

D-9 41 Switch - Stop Lamp Pressure A-3

21 Resistor - Starter To Diagnostic Connecto C - 11 A Switch - Supplemental Steering B-3

D Resistors - Blower Motor Speed (Heater) E-6 42 Switch - Supplemental Steering Governor C -12

22 Sender - Engine Coolant Temperature D -12 43 Switch - Supplemental Steering Oil Pressur

e F-7

23 Solenoid - Air Conditioner Clutch A - 11 D Switch - Thermostat (A/C) E-4

24 Solenoid - Blade Float F-4 A Switch - Turn Signal E-4

25 Solenoid - Differential Lock B - 11 44 Switches - Air Brake Pressure (EMS) A-3

26 Solenoid-Dual Horsepower E -12 C Switches-Blower (Heater) E-6

B Solenoid-Parking Brake D-5

A - COMPONENTS IN OPERATOR COMPARTMENT - FRONT DASH

B - COMPONENTS IN OPERATOR COMPARTMENT - RIGHT CONSOLE

C - COMPONENTS IN OPERATOR COMPARTMENT - LEFT CONSOLE

D - COMPONENTS IN OPERATOR COMPARTMENT

CONNECTORS IDENT. HARNESS AND/OR COMPONENTS LOCATION

A - 8W3275

Diagnostic Connector

D-5

B - 8W1899

Operator Monitor (EMS)

D-3

9 CONTACTS

J - 8W3022

Supplemental Steering

Control

D-11

7 CONTACTS

A - 8W3275

D - 8W1294

F-12

6 CONTACTS

A - 8W3275

C -*

C-8

A - 8W3275

G - 7T8650

E-6

A - 8W3275

H - 9W3160

E-6

C -*

Front Lower Wiper Motor

C-2

C -*

Front Upper Wiper Motor

C-2

M - 8W1486

Rear Wiper Motor

E-9

*Standard - 8W1310

Attachment - 8W1311

SCHEMATIC

20 CONTACTS

4 CONTACTS

5 CONTACTS

PART NO. FUNCTION ACTUATE DEACTUATE

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)

2M9346 Stop Lamp (Pressure)

45 kPa MAX

(6.5 psi MAX)

5 kPa MIN

(0.5 psi MIN)

7N9785 Engine Coolant Temp. (EMS)

107.2 ± 2.8°C

(225 ± 5°F)

91.0ºC MIN

(196°F MIN)

8N1693 Engine Coolant Temp. (StartAid)

37.6 ± 2.8ºC

(100 ± 5ºF)

26.7°C MIN

(80°F MIN)

6N2246 Hydraulic Oil Temperature (EMS)

101.7 ± 2.8ºC

(215 ± 5ºF)

93.3°C MIN

(200°F MIN)

7T0966

Engine Oil Pressure (EMS)

Engine Oil Pressure (S. Meter)

62 ± 21 kPa

(9.0 ± 3.0 psi)

38 ± 21kPa

(5.0 ± 3.0 psi)

9W3167 Fue lPressure (EMS)

93 ± 21 kPa

(13.5 ± 3.0 psi)

69 ± 21 kPa

(10.0 ± 3.0 psi)

SWITCH SPECIFICATIONS

NORMAL

CONDITION

N.C.

N.O.

CIRCUIT

NUMBER

COLOR POWER DISTRIBUTION CIRCUITS

CIRCUIT

NUMBER

COLOR POWER DISTRIBUTION 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 (REARHSIDE 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 UNDER SPEED 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

MACHINE BASIC 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 FL00DLAMP (FRONT ATTACHMENT) 313 GY STARTER NO.2 RESISTOR TO DIAGNOSTIC

150 OR FL00DLAMP (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

209 BK FIRE SUPPRESSION SYSTEM ACCUM PRESS.

210 BK CONVERTER OUTPUT (24/12 VOLT) 421 BU OPERATOR MON PANEL FAULT LAMP (SCRAPER)

211 BK DISCONNECT DIAGNOSTIC RESISTOR 422 YL OPERATOR MON PANEL WARNING HORN (SCRAPER)

212 BK ANTISPIN CODING PIN 16 423 PU OPERATOR MON PANEL TEST SW. (SCRAPER)

213 BK ANTISPIN CODING PIN 17

C14610X1

CIRCUIT

NUMBER

COLOR POWER DISTRIBUTION CIRCUITS

CIRCUIT

NUMBER

COLOR POWER DISTRIBUTION 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 EJECTOR EJECT 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 GOVENOR SWITCH (MOTORGR.)

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

C14612X1

CIRCUIT

NUMBER

COLOR POWER DISTRIBUTION CIRCUITS

CIRCUIT

NUMBER

COLOR POWER DISTRIBUTION CIRCUITS

424 GY OPERATOR MON PANEL POWER TRAIN TEMP 527 GN WINDSHIELD WIPER-RIGHT (LOW)

425 PK OPERATOR MON PANEL POWER TRAIN OIL LEVEL 528 PK WINDSHIELD WIPER-RIGHT (HIGH)

426 BR OPERATOR MON PANEL POWER TRAIN OIL FILTER 529 WH WINDSHIELD WASHER-LEFT

427 GN

OPERATOR MON PANEL POWER TRAIN OIL

FILTER JUMPER

530 OR WINDSHIELD WASHER-RIGHT

428 OR OPERATOR MON PANEL TRANSMISSION OIL TEMP 531 WH FIRE WARNING HORN

429 YL OPERATOR MON PANEL BRAKE OIL TEMP 532 WH FIRE WARNING LAMP

430 BU OPERATOR MON PANEL AIR FILTER 533 OR HEAT SENSOR/TEST SW

431 GN OPERATOR MON PANEL LOW TRANSFER PUMP PRESS. 534 WH HEAT SENSOR/TEST SW.

432 PK OPERATOR MON PANEL BRAKE PRESS. (OIL) 535 BU WINDSHIELD SW. TO WIPER SW.

433 BU OPERATOR MON PANEL BRAKE PRESS. (OIL) JUMPER 536 WH HAZARD SWITCH TO TURN SWITCH

434 BU OPERATOR MON PANEL POWER TRAIN TEMP JUMPER 537 GR TURN SIGNAL SW. TO FLASHER

435 YL OPERATOR MON PANEL POWER TRAIN TEMP JUMPER 538 BR HAZARD INDICATOR

436 OR

OPERATOR MON PANEL POWER TRAIN OIL

FILTER JUMPER

539 BU TURN SIGNAL INDICATOR BASIC/RIGHT

437 BR

OPERATOR MON PANEL FUEL LEVEL TO FUEL

FILTER JUMPER

540 WH TURN SIGNAL INDICATOR LEFT

438 YL OPERATOR MON PANEL COOLANT TEMP JUMPER 541 GN ACCESSORY 1

439 YL LAMP INDICATOR 542 BU ACCESSORY 2

440 BR AIR PRESSURE GAUGE 543 BR TRAILER CONNECTOR (TAIL LAMP)

441 OR ENGINE COOLANT TEMP GAUGE 544 RD TRAILER CONNECTOR (STOP LAMP)

442 GY HYDRAULIC SYSTEM TEMP GAUGE 545 BU TOGGLE SW TO BUTTON:MOMENTARY TILT ENABLE

443 YL POWER TRAIN TEMP GAUGE 546 BU AUX HYDRAULIC-ROTATE CLOCKWISE

444 BU CONV/RETARDER OIL TEMP GAUGE (TRACTOR) 547 OR AUX HYDRAULIC-ROTATE COUNTER-CLOCKWISE

445 GN CONV/RETARDER OIL TEMP GAUGE (SCRAPER) 548 GY AUX HYDRAULIC-OPEN

446 PU BRAKE OIL TEMPERATURE GAUGE 549 PK AUX HYDRAULIC-CLOSE

447 PK FUEL LEVEL GAUGE 550 OR AUX HYDRAULIC LEFT-DISCONNECT TO SW.

448 WH AIR PRESSURE GAUGE 551 YL AUX HYDRAULIC RIGHT-DISCONNECT TO SW.

449 BU SPEEDOMETER SENDER (SIGNAL NO.1) 552 WH FOUR WHEEL DRIVE SOLENOID

450 YL TACHOMETER SENDER (+) 553 YL PITCH SOLEOID TO TRIGGER SW.-DUAL TILT

451 BR TACHOMETER SENDER (-) 554 PK MOMENTARY SW. TO SINGLE TILT SOL-DUAL TILT

452 PU TORQUE CONVERTER 555 OR TRIGGER SW TO TOGGLE-DUAL TILT

453 PK SECONDARY STEERING FAULT LAMP 556 WH DIFFERENTIAL LOCK

454 GN RETARDER INDICATOR LAMP 557 YL TRAILER CONNECTOR (LEFT TURN/HAZARD)

455 YL CONVERTER TEMP SW. TO TIME DELAY 558 GN TRAILER CONNECTOR (RIGHT TURN/HAZARD)

456 BR MONITOR PANEL PTO 559 YL AUTOLUBE SOLENOID

457 PU MONITOR PANEL GROUND SPEED SENDER 560 GN HALON PRESS. SW./HALON PRESS. SW.

458 PK MONITOR PANEL +V 561 BU HALON PRESS. SW./NITROGEN PRESS. SW.

459 PK MONITOR PANEL IMPLEMENT POSITION 562 YL NITROGEN PRESS. SW./NITROGEN PRESS. SW.

460 BU MONITOR PANEL PROGRAM PIN 563 PU NITROGEN PRESS. SW./ FIRE MONITOR

461 OR OPERATOR PANEL BRAKE AIR PRESS. JUMPER 564 GY REAR WIPER INTERRUPT SW. TO WIPER SW.

462 YL STEERING MOTOR INDICATOR 565 PU TOGGLE SW. TO BUTTON:MOMENTARY TILT DISABLE

463 YL SENSOR PRESENT 566 YL CONDENSOR RELAY COIL TO THERMOSTAT SW.

464 GY MONITOR PANEL ENGINE OIL PRESSURE SENSOR 567 WH A/C SWITCH JUMPER

465 OR LOW CHARGE PRESSURE WARNING 568 GN WARNING BUZZER TO DIODES

466 WH MONITOR PANEL STEERING OIL TEMPERATURE 569 PK A/C SWITCH JUMPER NO.2

467 WH SYSTEM FAULT (HYDRST) 570 BU BLADE CUSHION SOLENOID

468 YL BRAKE OIL CIRCULATION JUMPER 571 OR DOZER FLOAT SOLENOID/BUCKET

469 GN FUEL LEVEL SENDER B+ 572 PU BLADE FLOAT LIMIT SW NO.1

470 PU CANE SWITCH NEUTRAL 573 GN BLADE FLOAT LIMIT SW. NO.2

471 PK TRANSMISSION NEUTRAL TO PARKING BRAKE 574 WH BLADE FLOAT SOLENOID

472 OR PARKING BRAKE SW TO OVERSTROKE SW. 575 YL WINDSHIELD WIPER-AUX (PARK)

473 GY OVERSTROKE SW. TO OVERSTROKE SW. 576 PK WINDSHIELD WIPER-AUX (LOW)

474 WH OVERSTROKE SW. TO OVERSTROKE SW. 577 PU WINDSHIELD WIPER-AUX (HIGH)

475 BR OVERSTROKE SW. TO TRAILING UNIT 578 BU WINDSHIELD WASHER-AUX

476 BU CONTROL LEVER LOCK INDICATOR 579 BR A/C BLOWER MOTOR NO.1

477 YL SPEEDOMETER SENDER (SIGNAL NO.2) 580 OR A/C BLOWER MOTOR NO.2

478 GY PRESS. SW. TO RED LAMP-IMPACT RIPPER 581 GY LEFT REAR TURN/HAZARD

479 BU PRESS. SW. TO GREEN LAMP-IMPACT RIPPER 582 PK RIGHT REAR TURN/HAZARD

480 PK NEUTRAL-CST TO AWD 583 OR A/C BLOWER TO BLOWER BREAKER

481 GN CONV TEMP SW. TO BRAKE OIL TEMP SW. 584 YL WIPER SWITCH JUMPER

483 BR BRAKE FLUID LEVEL 585 YL AUX HYDRAULIC-OPEN

484 YL PRIMARY STEERING LAMP 586 BR AUX HYDRAULIC-CLOSE

485 YL OPERATOR MON PANEL ALL WHEEL DRIVE FAULT

LIGHTING CIRCUITS

A400 PK FUEL PRESSURE SENDER 600 BR DASH BASIC

A402 BU COOLANT PRESSURE SENDER 601 GY DASH HIGH

A417 WH EMS SCRAPER TRANSMISSION 602 WH DOME LAMP

ACCESSORY CIRCUITS

603 PK ROTARY BEACON

500 BR WINDSHIELD WIPER - FRONT (PARK) 604 OR STOP LAMP

501 GN WINDSHIELD WIPER - FRONT (LOW) 605 YL TURN-LEFT

502 OR WINDSHIELD WIPER - FRONT (HIGH) 606 GY TURN-RIGHT

503 BR WINDSHIELD WIPER - REAR (PARK) 607 PK FLOOD-FRONT

504 YL WINDSHIELD WIPER - REAR (LOW) 608 GN FLOOD-REAR

505 BU WINDSHIELD WIPER - REAR (HIGH) 609 YL FLOOD-SIDE

506 PU WINDSHIELD WASHER - FRONT 610 OR HEAD LAMP BASIC

507 WH WINDSHIELD WASHER - REAR 611 PU HEAD LAMP HIGH

508 PU RADIO SPEAKER-LEFT 612 GY BACKUP

509 WH RADIO SPEAKER-LEFT (COMMON) 613 PK LICENSE PLATE

510 YL WINDSHIELD WASHER-PRIMER 614 PU PARK/TAIL/DASH

511 BR RADIO SPEAKER-RIGHT 615 YL CAB FLOOD/ROPS

512 GN RADIO SPEAKER-RIGHT (COMMON) 616 BU BUCKET FLOOD/BOOM FLOOD

513 OR

AIR CONDITIONER COMPRESSOR/REFRIGERANT

PRESS. SW

617 BR TAIL/POSITION LAMP-LEFT (ROADING PACKAGE)

514 PU AIR CONDITIONER CONDENSOR MOTOR 618 YL TAIL/POSITION LAMP-RIGHT (ROADING PACKAGE)

515 GY BLOWER MOTOR (HIGH) 619 GR HEAD LAMP LOW

516 GN BLOWER MOTOR (MEDIUM) 620 WH FLOOD-FRONT (ENGINE FLOOD LAMP)

517 BU BLOWER MOTOR (LOW) 621 GY FLOODLAMP INDICATOR LAMP

518 OR HAZARD FLASHER TO SWITCH 622 PU FLOODLAMP 3 WAY SWITCH JUMPER

519 PK THERMOSTAT TO REFRIGERANT PRESS. SW. 623 BU FLOODLAMP 3 WAY SWITCH JUMPER

520 WH

OPERATOR AIR CONDITIONER SWITCH

TO THERMOSTAT/FUSE

624 YL FLOODLAMP BOWL

521 YL AIR COND SW TO REFRIGERANT SWITCH 625 BK COURTESY LAMP

522 WH AIR COND CLUTCH TO THERMOSTAT SW. 626 BU DASH DIMMER

523 BR WINDSHIELD WIPER-LEFT (PARK) 627 YL FOG LAMP

524 BU WINDSHIELD WIPER-LEFT (LOW) 628 PK RIGHT TURN DASH INDICATOR

525 GY WINDSHIELD WIPER-LEFT (HIGH) 629 PK AUX HEAD LAMP

526 YL WINDSHIELD WIPER-RIGHT (PARK)

C14611X1

L35

L21

200-BK

L31

L32

201-BK

L33

107-WH

123-WH

749-OR

403-GN

L33

L31 L31

L32L32

L29

L30

L29

L34

L36

L32

L35

L33

L34

L36

L31

L12

L18

L11

L25

109-OR-6

5 4

2 1

326-PU

103-YL-14

614-PU

105-BR

109-OR-6

310-PU

614-PU

L11

L25

L10L10

L10

L3L3

L27L27

L26

L26L26

L9L9

L6L6

L33

L34

L31

101-RD-6

200-BK-8

200-BK-14

112-PU-8

200-BK

200-BK-8

201-BK

200-BK-14

321-BR

203-BK

304-WH-8

121-YL

145-BU

122-BU

103-YL-14

614-PU

556-WH

604-OR

603-PK

L11

L18

L20

L22

L12

L12 L12

L12

L13

L14L14

L14

L13

L17

L16

L17

L16

113-OR

603-PK

604-OR

410-WH

169-PK

114-GN

556-WH

614-PU

200-BK-14

L19

L20

L19

L21L21

L24

L15

L22

L22L22

L22

L20

L23

L28

606-GY

L23

L28

614-PU

200-BK

570-BU

200-BK-14

417-GY

410-WH

L19

L15

L28L28

L28

L17

L23

L16

L23

L24

L17

L16

W/O HARNESS AS. J

CONNECT PLUG B(417-GY)

TO RECEPTACLE B(201-BK)

DUAL

HORSEPOWER

RELAY

3P4358

DUAL

HORSEPOWER

SOLENOID

9W0273

180-GN-10

200-BK-10

LLKK

30A

DUAL

HORSEPOWER

BREAKER

6N9349

101-RD-10

200-BK-10

LO BEAM

HEAD LAMP SW

3T1730

629-PK-14

614-PU

102-BU-14

103-YL-14

119-PK

574-WH

200-BK

574-WH 1

200-BK

574-WH

200-BK

BLADE FLOAT

SOLENOID

7T6517

BLADE FLOAT

SOLENOID

7T6517

SS SS

574-WH

200-BK

574-WH

BLADE FLOAT

SOLENOID

7T6517

BLADE FLOAT

SOLENOID

7T6517

C-88W6872ZZ

C-88W6871YY

C-118W6990LL

CC-118W6989KK

E-128W6988Y

E-128W6987X

12V BATTERY

3T5760 STD

9G4247 ATCH (NOTE C&G)

BK-00

BU 3

POS NEG

201-BK-14

A Z

629-PK-14

BULB

1M5928

BULB

1M5899

LOW BEAM

HEAD LAMP

1M3379

629-PK-14

BULB

1M5928

LOW BEAM

HEAD LAMP

1M3379

BULB

1M5899

BULB

1M5899

OPEN

ROPS

ONLY

BK-6

GOV SW 749-OR

BLOWER

9W0604

BLOWER

9W0604

BACKUP ALARM

OPERATOR MONITOR10A

NOTE E,F,G

ATCH C,G

9F4337 HB-11VV

F-5Z

F-118W3630

E,F,G

NOTE

E,G

D,F

E,G

D,F

E,G

6S4302

4M3136

5D3940

6H0991

E-11

C-10

C-86G7663UU

D-128W2681TT

9M9812

8W3642

6T1992

8W1512

8G1228

7P6681

8W2683

F-4

8W2038

8W3022

8W3275

COMPONENTS ARE SHOWN INSTALLED ON A FULLY

OPERABLE MACHINE WITH THE KEY AND ENGINE OFF,

AND THE XMSN SHIFTER IN NEUTRAL

NOTE A: NORMALLY OPEN BEFORE REFRIGERANT CHARGE

2JUL87

7T8650

9D6153

5T9597

4V3877EE

D-98W1967RR

C-6

C-68W1982

E-6

ATCH H

STD H

B-8C

8W1310

F-128W1498PP

A-36G6109NN

B-11

E-11

B-11

A-11

A-58W1980MM

S 8W1966 C-7

C-78W1965R

F-7N

WIRE AS.

F-38W1978W

8W6985SS

D-28W2068U

B-28W2069T

D-48W1979Q

D-28W1487P

E-98W1486M

D-11

E-69W3160

8W1485 A-1

A-18W1428

F-128W1294

B-8

8W1311

C-38W1899

D-6

NOTE E: FOR THE 140G AND 160G ONLY

NOTE D: FOR THE 120G ONLY

CABLE AS.

HARNESS AS.

LOCPART NO.IDENT

NOTE B: FUSE 10A - 3K8782 20A - 8M0456

UNLESS OTHERWISE SPECIFIED: ALL WIRE IS 16 GAGE

CIRCUIT GROUPING

DESIGNATION

ATCH WIRE, CABLE,

COMPONENT

CIRCUIT NOT CONNECTED

CIRCUIT CONNECTED

BLUE

GREEN

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

3 2

456

6 5 4

789

9 8 7

1 111

12 10

1011

AIR DRYER

8W3087

DUAL

HORSEPOWER

SOLENOID SW

8W1285

200-BK-10

917-WH-10

200-BK

795-YL

145-BU200-BK

200-BK

BULB

7H2976

BULB

342535

BULB

9W1281

BK-00

COOLANT

SENDER

6N5926

COOLANT

TEMP GAGE

4W0483

441-OR

200-BK

123-WH

°T

IGN

SEND

GRD

BEACON

(CLOSED

ROPS

ONLY)

6T8941

D A

L11

12V BATTERY

(NOTE C&G)

9G4247

417-GY

200-BK

145-BU

200-BK

9PK-18

BR-18 6

MOTOR RELAY

GY-18

GN-18

BK-18

GN-18

PU-18

BU-18

OR-18

YL-18

WH-18

OPR PANEL

KEY SW

STER SW

GROUND

+ BATTERY

ALTERNATOR

SUPPLEMENTAL

STEERING

MOTOR

8C5661

SUPPLEMENTAL

STEERING

RELAY

7N3621

SUPPLEMENTAL

STEERING

CONTROL

3T3964

728-BU

462-YL

727-GN

200-BK

462-YL

200-BK

BK-0

RD-0

BK-0

MOTOR

200-BK

403-GN

107-WH

728-BU

417-GY

727-GN

°T

200-BK

TURN

LAMP

7T7818

1608-GN 608-GN

REAR

FLOOD

LAMP

9W1279

COOLANT SW

8N1693

COOLANT SW

7N9785

FUEL SW

9W3187

START AID

SOLENOID

9G4365

STOP/

TAIL

LAMP

9G4358

605-YL

614-PU

604-OR

606-GY

BK-18

BK-18310-PU

122-BU

603-PK

201-BK

405-GY

406-PU406-PU

200-BK

311-WH

608-GN

605-YL

604-OR

614-PU

608-GN

121-YL

321-BR

606-GY

POS NEG

°T

200-BK

200-BK-6

200-BK

SERVICE

METER

6T7337

200-BK-14

201-BK

200-BK

145-BU

200-BK

- +

BK-00

RD-00

BULB

342535

BULB

7H2976

BEACON

(OPEN

ROPS

ONLY)

6T8941

DIFFERENTIAL

LOCK SOLENOID

7T9073

200-BK-10

201-BK

ENGINE

OIL SW

7T0988

ENGINE

OIL SW

7T0988

304-WH-10

200-BK-10

12V BATTERY

3T5760

201-BK-10

BK-0

107-WH

123-WH

403-GN

200-BK

DISCONNECT SW

7N0718

556-WH

200-BK

BK-00

FRAME

ENGINE

STARTER

3T4586

RESISTOR

6T2217

BK-6

304-WH-8

302-OR

301-BU

RD-00

G S

MTR BAT

MOTOR

200-BK-8

101-RD-6

RD-0

BK-00

207-BK

200-BK

TURN

LAMP

7T7818

REFRIGERANT SW

(NOTE A)

9D6888

STOP/

TAIL

LAMP

9G4358

ALTERNATOR

5S9088

AIR

CONDITIONER

CLUTCH

SOLENOID

7N4296

HYDRAULIC

OIL SW

8N2248

BASE

7G9730

BASE

7G9730

PANEL

LAMP

7N5876

PANEL

LAMP

7N5876

BACKUP

ALARM

3T1815

521-YL-14

522-WH-14

513-OR-14

326-PU

614-PU614-PU

200-BK200-BK

200-BK

400-GN

123-WH

603-PK

404-YL

201-BK

413-BR

321-BR

121-YL

201-BK

403-GN

606

-GY

614-PU

604-OR

513-OR-14

521-YL-14

403-GN

109-OR-6

203-BK

BK-00

SUPPL STER

GOVERNOR SW

3T3132

749-OR

200-BK

L30

°T

POS NEG

ALT

STEERING SW

8T8640

101-RD-14

103-YL-14

326-PU

308-YL

614-PU

200-BK

728-BU

NOTE H: NOT FOR THE 160G

DEFROSTER

5D2856

OPERATOR STATION

505-BU

503-BR

504-YL

MOTOR

°T

1609-YL

ATCH C,G

151-GN

RESISTOR

BLOWER

9G8183

BLOWER SW

3D8754

OR/GY

OR/BU

MOTOR

102-BU-14

BASE

7G9730

PANEL

LAMP

7N5876

HEAD

LAMP SW

3T3826

ALTERNATOR

BREAKER

9S0173

REAR

WIPER

6T6216

REAR

WIPER SW

3T9495

60A

119-PK

109-OR-6

109-OR

101-RD

101-RD-6

101-RD-14

610-OR-14

631-GY-14

632-WH-14

629-PK-14

610-OR-14

102-BU-14

200-BK 614-PU

614-PU

101-RD-10

101-RD-6

START

AID SW

7N8001

BEACON SW

(OPEN

ROPS

ONLY)

7N8000

C A

145-BU

CAB

FUSE

BLOCK

9G0747

OPERATOR STATION

BLADE

FLOOD

LAMP SW

7N8000

609-YL

DOME

LAMP

6T4864

151-GN

108-BU

CAB

GROUND

REAR DEFROSTER

DOME LAMP

149-PU

101-RD-14

102-BU-14

HEAD LAMP

BREAKER

3T2662

15A

608-GN608-GN

608-GN

200-BK-14 200-BK-8

FUSE

NOTE B

20A

10A

REAR FLOOD

LAMP SW

7N8000

112-PU-8

141-PK

129-BU

144-GN

152-BU

118-GY

308-YL

310-PU

614-PU

603-PK

116-BR

144-GN

124-GN-14 124-GN-14

614-PU614-PU

631-GY-14 631-GY-14

632-WH-14632-WH-14

200-BK-8 200-BK-8

112-PU-8112-PU-8

F-11

605-YL

605-YL605-YL

606-GY 606-GY

606-GY

8G1228

403-GN

603-PK

326-PU

122-BU

604-OR

121-YL

321-BR

605-YL

606-GY

614-PU

556-WH

404-YL

201-BK

405-GY

413-BR

406-PU

304-WH-8

310-PU

207-BK

302-OR

311-WH

603-PK

109-OR-6

B-11

STD D,E,G

REAR FRAME

FRONT DEFROST FAN

CIGAR LIGHTER

REAR WIPER

BEACON

AIR CONDITIONER

FRONT LOWER WIPER

FRONT UPPER WIPER

8C9677V

200-BK-14

BASIC HEATER 9W1391

(NOTE H)

BLADE FLOAT

SOLENOID

8T8692

123-WH

200-BK

BLOWER SW

5D5659

BLOWER SW

5D5659

522-WH-14

614-PU

200-BK-14

521-YL-14

124-GN-14

A-11

MOTOR

HEAD LAMP

DIMMER SW

2H1855

105-BR

BLADE

FLOAT SW

7N2353

BASE

7G9730

PANEL

LAMP

8D1429

OPERATOR STATION

1574-WH

200-BK

572-PU

170-YL

PARK

BRAKE

SOLENOID

7T9074

OPERATOR

MONITOR

TEST SW

7N8001

415-GN

322-GY

BLOWER SW

6P3236

RESISTOR

9G1950

BLOWER

9G8693

BLOWER

9G8697

THERMOSTAT SW

6T9395

TURN

SIGNAL SW

8D6947

HORN SW

8W1957

BASE

7G9730

PANEL

LAMP

7N5876

DIAGNOSTIC CONNECTOR

KEY SW

9G7641

101-RD

109-OR

302-OR

207-BK

311-WH

203-BK

306-GN

304-WH

308-YL

112-PU

310-PU

105-BR

307-OR

WH/RD-14

BK-14

522-WH-14

9V2098

522-WH-14

614-PU

614-PU-14

200-BK-14

STD D,E,G

200-BK-14

517-BU-14

516-GN-14

515-GY-14

521-YL-14

124-GN-14

A-11

124-GN-14

629-PK-14

610-OR-14

631-GY-14

632-WH-14

619-GN-14

611-PU-14

606-GY 606-GY

5T0101BB

605-YL605-YL

537-GN

322-GY

114-GN

200-BK

614-PU

629-PK-14

MOTOR

OFF

GRN

BLU

BLK

RED

°T

1 4

200-BK

200-BK-14

200-BK

200-BK-14

109-OR-6

112-PU-10

TURN SIGNAL

112-PU-10

321-BR

200-BK

307-OR

306-GN

BEACON SW

(CLOSE

ROPS

ONLY)

7N8000

BASE

3T3158

FAULT

ALARM

9G9813

114-GN

GAGES

152-BU

118-GY

FRONT FRAME

GROUND

NEUTRAL/

START SW

3T1804

200-BK-14

130-GN

L10

103-YL-14

200-BK

145-BU

200-BK

FUSE

BLOCK

9G0747

FUSE

BLOCK

9G0747

PARK BRAKE

107-WH

SUPP STER SW

BACKUP

ALARM SW

3T1804

SUPP

STEERING

INDICATOR

LAMP

7N5876

462-YL

FRONT

LOWER

WASHER

7T8891

OPERATOR STATION

170-YL

SUPP STER CONTROL

FRONT FLOODS

149-PU

121-YL

200-BK-8

200-BK-14

FUSE

NOTE B

FUSE

NOTE B

200-BK

200-BK-8

START

RELAY

9F3099

MAIN

RELAY

3T0376

304-WH-8

306-GN

304-WH

A-11

200-BK-14

200-BK

306-GN

307-OR

410-WH

8W3535AA

201-BK

109-OR-6

112-PU-8

308-YL

112-PU

310-PU

FRONT

UPPER

WIPER SW

3T6655

FRONT

LOWER

WIPER SW

3T6655

DIFF

LOCK SW

7N8000

MASTER

FAULT

LAMP

7N1996

173-YL

201-BK

411-PK

556-WH

165-YL

537-GN

506-PU

603-PK

575-YL

576-PK

577-PU

500-BR

501-GN

502-OR

152-BU

118-GY

152-BU

144-GN

200-BK

129-BU

141-PK

130-GN

113-OR

123-WH

165-YL

123-WH

114-GN

116-BR

144-GN

105-BR

122-BU

169-PK

578-BU

200-BK

10A

FLASHER

8D6946

537-GN

8W5076

E-12

SPARE

HORN

KEY SW

REAR FLOODS

STOP LAMPS

TAIL LAMPS

101-RD-10

CUSHION BLADE

AIR DRYER

BEACON

DIFF LOCK

BLADE FLOAT

10A

MOTOR

SPARE

DUAL HP

BK AIR PR

PRIM STER

COOL TEMP

+ BATTERY

GROUND

ALTERNATOR

HYD TEMP

ENG OIL PR

ALARM

LAMP

FUEL PR

TEST

201-BK

200-BK

200-BK-14

DIFFERENTAIL

LOCK INDICATOR

LAMP

7N5876

556-WH

200-BK-14 200-BK

200-BK

FRONT FRAME

611-PU-14

619-GN-14

BULB

1M5899

BULB

7H2976

BULB

7H2976

TURN

LAMP

7G9318

TURN

LAMP

7G9318

200-BK-14

BASE

3T3158

BASE

3T3158

BASE

3T3158

A P

573-GN

574-WH

BLADE

FLOAT SW

7N2354

BLADE

FLOAT

INDICATOR

LAMP

7N5876

417-GY

FORWARD

HORN

7T0969

OPERATOR STATION

200-BK

574-WH

573-GN

572-PU

RESISTOR

BLOWER

9G8183

BLOWER SW

3D8754

BLADE

FLOOD

LAMP

8C5582

1114-GN

322-GY

8W4797FF

HEAD LAMP

1M6052

114-GN

614-PU

200-BK

DEFROSTER

5D2856

OR/GY

OR/BU

LEFT

TURN

INDICATOR

LAMP

7N5876

BASE

7G9730

ARTICULATION

INDICATOR

PANEL

LAMP

7N5876

OPERATOR

MONITOR

3T9200

605-YL

606-GY

605-YL

606-GY

605-YL

619-GN-14

611-PU-14

322-GY

FOR A SINGLE SHEET VERSION OF THIS SCHEMATIC

CONTACT DESIGN CONTROL

570-BU

200-BK

NOTE G: FOR THE 12G ONLY

BLADE

CUSHION

SOLENOID

7T6517

BLADE

CUSHION

SOLENOID

7T6517

141-PK

200-BK

570-BU

632-WH-14

631-GY-14

609-YL

609-YL609-YL

605-YL

HEAD

LAMP

4N9303

200-BK

619-GN-14

611-PU-14

605-YL

611-PU-14

619-GN-14

606-GY

201-BK

415-GN

404-YL

405-GY

406-PU

201-BK-14

413-BR

408-WH

113-OR

403-GN

201-BK

410-WH

411-PK

BULB

9W1281

MOTOR

FRONT FRAME

201-BK-14

201-BK

200-BK-14

200-BK

200-BK-14

BULB

9W1281

BULB

7H2976

BULB

7H2976

TURN

LAMP

7G9318

TURN

LAMP

7G9318

200-BK-14

BASE

3T3158

BASE

3T3158

114-GN

J B

200-BK

130-GN

573-GN

572-PU

201-BK

BLADE

FLOAT SW

7N2354

SUPP

STER SW

7N8001

462-YL

727-GN

417-GY

FRONT

UPPER

WASHER

7T8891

OPERATOR STATION

MOTOR

°T

MOTOR

°T

NOTE F: FOR THE 130G ONLY

THIS SCHEMATIC IS FOR THE 12G, 120G, 130G,

140G AND 160G MOTOR GRADERS (7T9457 CHG 02 )

500-BR

501-GN

502-OR

118-GY

152-BU

575-YL

576-PK

577-PU

FRONT LOWER

WIPER

6T6216

FRONT UPPER

WIPER

6T6216

RIGHT

TURN

INDICATOR

LAMP

7N5876

BLADE CUSHION

INDICATOR

LAMP

7N5876

BLADE

CUSHION SW

7N8000

141-PK

606-GY

556-WH

570-BU

169-PK

570-BU

STOP

LAMP SW

2M9346

BRAKE

AIR SW

9G8009

BRAKE

AIR SW

9G8009

604-OR

130-GN

200-BK

-B

408-WH

113-OR

BLADE

FLOOD

LAMP

8C5582

HEAD

LAMP

4N9303

609-YL

605-YL

632-WH-14 632-WH-14

632-WH-14

631-GY-14

631-GY-14631-GY-14

606-GY

611-PU-14

619-GN-14

200-BK

HEAD LAMP

1M6052

417-GY

MOTOR

STD D,E,G

NOTE C: FOR THE 140G ONLY