120H 135H MG NA/AUSTRALIAN VERSION ELECTRICAL SCHEMATIC

Code
Flashed
CID - FMI Description
11 N/A No diagnostics active
12 N/A No logged diagnostic codes
21-28 641-648F05 Transmission Solenoid open circuit
31-38 641-648F06 Transmission Solenoid short to ground
41-48 641-648F03 Transmission Solenoid short to battery
52 637 F06 Backup alarm short to ground
58 688 F06 VHP solenoid short to ground
59 688 F03 VHP solenoid short to battery
61 688 F02 Shift lever input invalid
62 688 F03 Shift lever open circuit/short to +battery
63 269 F00 Sensor supply voltage above normal
64 269 F01 Sensor supply voltage below normal
65 701F02 Transmission Output Speed Signal (TOS) incorrect
68 168 F01 System voltage below normal
71 520 F02 Invalid transmission configuration code
72 268 F02 Check programmable parameters
73 764 F05 Transmission indicator lamp open circuit
74 764 F06 Transmission indicator lamp short to ground
75 764 F03 Transmission indicator lamp short to +battery
76 177 F03
Transmission oil temperature sender short to
+battery or open circuit
77 177 F04 Transmission oil temperature sender short to ground
81 868 F05 Auto/Manual lamp open circuit
82 868 F06 Auto/Manual lamp short to ground
83 868 F03 Auto/Manual lamp short to +battery
Diagnostic Code Conversion
The last digit in the CID number identifies the solenoid.
Solenoid 1 is Solenoid A, Solenoid 2 is Solenoid B, ect.
Component
Schematic
Location
Machine
Location
Component
Schematic
Location
Location
Alarm - Action B-B C Resistor - Panel Lamp Dimmer E-9 B
Alarm - Backup F-15 1 Sender - Articulation C-12 23
Alternator (35A STD) D-14 2 Sender- Engine Coolant Temp A-14 24
Arc - Suppressor E-14 3 Sender - Fuel Level A-13 25
Battery C-14 5,6 Sensor-Engine Speed B-14 26
Beacon C-10 7 Sensor - Transmission Oil Temp E-15 27
Beacon A-12 7 Sensor - Transmission Speed D-15 28
Breaker - Alternator (35A) D-13 8 Solenoid - A/C Clutch A-13 22
Breaker - Convertor (15A) F-11 13 Solenoid - Centershift B-3 29
Breaker - Headlamp (15A) D-10 B Solenoid - Differential Unlock E-14 4
Breaker - Lightbar (15A) D-10 B Solenoid - Dual Horsepower A-13 22
Control - AIH Timer D-8 B Solenoid - Dual HP/Shutdown A-12 22
Control - Engine Shutdown E-13 9 Solenoid - Engine Shutdown D-13 22
Control - Neutral Start A-6 10 Solenoid - Forward Horn F-3 10
Control - Supplement Steer E-13 9 Solenoid - Park Brake B-11 10
Control - Transmission A-7 11 Solenoid - Start Aid A-13 25
Converter - Voltage F-8, F-10 12 Solenoids - Blade Cushion E-2 30
Converter - Voltage F-12 13 Solenoids - Transmission Valve (8) D-15, E-15 27
Flasher E-10 B Switch - A/C Refrigeration A-13 22
Fuses D-9 B Switch - Air Dryer F-14 31
Fuses E-10 B Switch - Autoshift A-9 C
Fuses (10A) B-5 C Switch - Beacon B-5 C
Gauge - Articulation F-5 A Switch - Beacon B-10 C
Gauge - Engine Coolant Temperature F-5 A Switch - Blower (A/C) B-10 C
Gauge - Fuel Level E-5 A Switch - Blower (Heater) A-10 C
Gauge - Speedometer F-5 A Switch - Brake Air Pressure A-2 11
Gauge - System Air Pressure (Left) E-5 A Switch - Brake Air Pressure A-2 11
Gauge - System Air Pressure (Right) E-5 A Switch - Centershift Indicator B-3 29
Gauge - Tachometer E-5 A Switch - Centershift Pin B-9 C
Lamp - AIH Indicator D-5 A Switch - Cushion Blade B-9 C
Lamp - C Shift Pin E-5 A Switch - Defroster (Front) A-5 C
Lamp - Cold Temperature E-5 A Switch - Defroster (Rear) B-5 C
Lamp - Diff Unlock E-5 A Switch - Differential Unlock D-9 B
Lamp - High Beam Indicator D-6 A Switch - Disconnect C-14 6
Lamp - Master Action E-5 A Switch - Engine Coolant Temp (Monitor) B-14 24
Lamp - Transmission A/M D-6 A Switch - Engine Coolant Temp (Start Aid) A-14 24
Lamp - Turn Indicator (Left) E-5 A Switch - Engine Oil Pressure C-13 32
Lamp - Turn Indicator (Right) E-4 A Switch - Flood Lamps D-8 B
Meter - Service E-10 B Switch - Forward Horn E-9 B
Monitor - Electronic Monitoring System (EMS) E-6 A Switch - Fuel Pressure B-13 24
Motor - Blower A-12 15 Switch - Head/Tail Lamp E-8 B
Motor - Blower (A/C group) B-10 14 Switch - Headlamp Dimmer D-9 B
Motor - Blower (Heater group) A-10 E Switch - Hydraulic Oil Temperature B-11 33
Motor - Blower/Defroster E-4 15 Switch - Inching Pedal Pressure C-15 27
Motor - Starter C-13 19 Switch - Key Start B-9 C
Motor - Supplemental Steer F-13 20 Switch - Light Bar Low Beam E-8 B
Motor - Washer (Front Lower) F-6 16 Switch - Monitor (EMS) Test E-8 B
Motor - Washer (Front Upper) F-6 16 Switch - Panel Lamp Dimmer E-9 B
Motor - Washer (Rear) F-6 i 6 Switch - Park Brake Pressure B-11 34
Motor - Wiper (Front Lower) C-4 17 Switch - Primary Steer F-10 35
Motor - Wiper (Front Upper) D-4 17 Switch - Start Aid/Monitor Test E-10 B
Motor - Wiper (Rear) B-11 18 Switch - Stoplamp Pressure A-2 11
Motors - Condenser B-11 21 Switch - Supplemental Steer Test B-B C
Relay-Condenser C-10 21 Switch-Tail Lamp D-B B
Relay - Main D-14 8 Switch - Transmission Direction & Speed A-B C
Relay - Start D-13 8 Switch - Turn Signal D-9 B
Relay - Supplemental Steer F-13 22 Switch - Wiper (Front Lower) A-4 C
Resistor - Blower Speed A-11 E Switch - Wiper (Front Upper) B-4 C
Resistor - Blower Speed E-4 E Switch - Wiper (Rear) A-4 C
Resistor - Blower Speed (A/C) B-11 15 Thermostat (A/C) B-11 E
Resistor - Blower Speed (Heater) A-11 E
Machine locations are repeated for components located close together.
A = Operator’s compartment (Dash). D = Operator’s compartment (Headliner).
B = Operator’s compartment (Steering console). E = Operator’s compartment (Under seat).
C = Operator’s compartment (Right side console).
Component Location
Connector Number
Schematic
Location
Machine
Location
CONN 1 B-15 27
CONN 2 C-15 27
CONN 3 D-15 27
CONN 4 D-15 27
CONN 5 E-15 27
CONN 6 F-14 36
CONN 7 A-13 37
CONN 8 B-13 37
CONN 9 B-13 37
CONN 10 D-13 37
CONN 11 D-13 37
CONN 12 B-12 10
CONN 13 E-12 37
CONN 14 E-12 37
CONN 15 A-10 38
CONN 16 C-10 33
CONN 17 D-10 39
CONN 18 D-10 39
CONN 19 D-10 39
CONN 2O A-9 C
CONN 21 B-9 38
CONN 22 B-9 38
CONN 23 E-9 39
CONN 24 Service Tool A-8 C
CONN 25 B-8 38
CONN 26 D-6 39
CONN 27 D-6 39
CONN 28 D-6 39
CONN 29 D-6 39
CONN 30 A-7 30
CONN 31 A-7 31
CONN 32 B-7 10
CONN 33 B-7 38
CONN 34 B-7 38
CONN 35 F-7 20
CONN 36 F-7 20
CONN 37 A-6 40
CONN 38 C-6 17
CONN 39 C-6 17
CONN 40 C-6 17
CONN 41 D-6 17
CONN 42 E-6 17
CONN 43 E-6 17
CONN 44 E-6 17
CONN 45 C-5 40
CONN 46 C-5 40
CONN 47 C-5 40
CONN 48 F-3 17
CONN 49 F-3 17
CONN 50 C-6 17
120 ES machine ONLY.
143 and 163 series machines ONLY.
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.
Connector Location
Failure Mode Identifiers (FMI)¹
FMI No.
Failure Description
0 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.
Related Electrical Service Manuals
Form Number
Alternator (6N-9294 35A): STD
Consist No. 3T-6352
Consist No. 7N-9720
Consist No. 9G-4574
SENR4978
SENR2082
SENR4130
Alternator (100-5047 50A): ATT SENR2082
Electronic Monitoring System SENR2945
Electronic Transmission Shift Control SENR9167
Starting And Charging Systems SENR2947
Starting Motor: (106-8555)
Consist No. 6V-5207
Consist No. 6V-5023
Consist No. 6V-5226
SENR3581
SENR3536
SENR4975
Title
Wire Description
Wire
Number
Wire
Color
Description
Wire
Number
Wire
Color
Description
101 RD Bat (+) 500 BR Wiper - Front (Park)
102 BU Hd Lmp 501 GN Wiper - Front (Low)
103 YL Aux Ckt 502 OR Wiper - Front (HI)
105 BR Key Sw 503 BR Wiper - Rear (Park)
107 WH Eng Shut 504 YL Wiper - Rear (Low)
108 BU Aux Ckt 505 BU Wiper - Rear (HI)
109 OR Alt Output (+) Term. 506 PU Washer - Front
112 PU Main Power Rly Output 507 WH Washer - Rear
113 OR Opr Mon Panel B+ Switched 508 PU Radio Speaker - Left
114 GN Warning Horn (Forward) 509 WH Radio Speaker - Left (Commom)
115 PK Aux Ckt 511 BR Radio Speaker - Right
116 BR Aux Ckt 512 GN Radio Speaker - Right (Common)
118 GY Aux Ckt 513 OR A/C Compressor/Refrigerant Pressure SW
119 PK Aux Ckt 515 GY Blower Motor (HI)
122 BU Aux Ckt 516 GN Blower Motor (Medium)
124 GN A/C 517 BU Blower Motor (Low)
126 PK Xmsn Ctrl 521 YL A/C SW To Refrigerant SW
129 BU Aux Ckt 522 WH A/C Clutch To Thermostat SW
130 GN Aux Ckt 537 GN Turn Signal SW To Flasher
134 YL Aux Ckt 556 WH Differential Lock
135 BU Aux Ckt 570 BU Blade Cushion Sol
136 GN Suppl Ster 575 YL Wiper - Aux (Park)
141 PK Aux Ckt 576 PK Wiper - Aux (Low)
144 GN Aux Ckt 577 PU Wiper - Aux (HI)
147 PU Aux Ckt 578 BU Washer - Aux
149 PU Aux Ckt 584 YL Wiper SW Jumper
151 GN Aux Ckt 592 BU DC/DC Converter Power Output
152 BU Aux Ckt 593 GN Condensor Fan Relay To Motors
158 BR Aux Ckt 597 PU A/C HI Press. Coutout SW To Low Press. SW
160 PU Aux Ckt A503 PK Front Defroster Fan (Low)
165 YL Aux Ckt A504 GN Rear Defroster Fan (Low)
169 PK Aux Ckt A506 OR Front Defroster Fan (HI)
173 YL Aux Ckt A507 YL Rear Defroster Fan (HI)
176 OR Aux Ckt A513 PK DC/DC Converter Memory Output
200 BK Main Chassis 600 BR Dash Lamp Basic
201 BK Operator Monitor Return 601 GY Dash Lamp Hi
202 BK XMSN Ctrl 603 PK Rotary Beacon
276 BK XMSN Ctrl Ident Code 0 604 OR Stop Lamp
277 BK XMSN CtrI Ident Code 1 605 YL Turn Lamp - Left
278 BK XMSN Ctrl Ident Code 2 606 GY Turn Lamp - Right
608 GN Flood Lamp - Rear
301 BU Starter No. 1 Sol 609 YL Flood Lamp - Side
304 WH Starter Relay No. 1 Output 611 PU Head Lamp Hi
306 GN Starter Relay Coil To Neut Start SW Or Key SW 614 PU Park/Tail/Dash/Lamp
307 OR Key SW To Neut Start SW 619 GN Head Lamp Lo
308 YL Main Power Relay Coil 629 PK Aux Head Lamp
310 PU Start Aid SW To Start Aid Sol
311 WH Start Aid Sol To Temp SW 727 GN Suppl Ster Motor Relay
321 BR Bckp Alarm Lamp Travel Alarm 728 BU Suppl Ster Cont SW
322 GY Warning Horn (Forward) 751 GN XMSN Shift Sot No. 1 Or 3
326 PU Key SW “C” Term. 752 YL XMSN Shift Sot No. 2
327 PK Shutdown Sol 754 BU XMSN Shift Sol No. 3 Or 1
334 BU Start Aid Sot #2 755 OR XMSN Shift Sol No. 4 Or 5
373 GN Start Aid Switch To Timer 795 YL Dual Hp Sol
F769 BU AWD To Inch Pedal SW
403 GN Alternator (R) Term. F775 BU Centershift Solenoid
404 YL Opr Mon Hyd Oil Temp 892 BR Start Mod Right (-) Port/CAT Data Link (-)
405 GY Opr Mon Oil Press. (Low Setting) 893 GN Start Mod Right (+) Port/CAT Data Link (+)
406 PU Opr Mon Coolant Temp F843 YL Inching Pedal
408 WH Opr Mon System Air Press. G858 OR AWD Agressiveness Cont Lever
409 OR Opr Mon Neut 900 PU XMSN Shift Sol No. 4
410 WH Opr Mon Fault Alarm 901 WH XMSN Shift Sol No. 6
411 PK Opr Mon Master 902 BR XMSN Shift Sol No. 7
413 BR Opr Mon Fuel Press. 903 GY XMSN Shift Sol No. 8
415 GN Opr Mon Test SW 921 WH XMSN Sol No 1 Or 3 Return
417 GY Primary Ster SW 977 YL CST Autoshift- Auto/Manual SW 1
419 YL Opr Mon Parking Brake E937 PU MG MESH CNTL - Redundant Neutral
439 YL Lamp Indicator E938 OR MG MESH CNTL - First Gear
441 OR Eng Coolant Temp Gage E939 WH MG MESH CNTL - Second Gear
447 PK Fuel Level Gage E940 BU MG MESH CNTL - Third Gear
449 BU Spdom Sender (Signal No. 1) E941 YL MG MESH CNTL - Fourth Gear
450 YL Tach Sender (+) E942 GN MG MESH CNTL - Fifth Gear
462 YL Suppl Ster Motor Indicator E943 BR MG MESH CNTL - Sixth Gear
467 WH System Fault (Xmsn) E944 GY MG MESH CNTL - Seventh Gear
485 YL Opr Mon Panel AWD Fault E945 PU MG MESH CNTL - Eighth Gear
488 WH Afr SW To Air SW Jumper E946 OR MG MESH CNTL - Forward Direct
498 WH Diff. Lock Indicator E947 WH MG MESH CNTL - Reverse Direct
A429 YL Articulation Indicator E948 BU MG MESH CNTL - Park
G434 BU AWD Hydraulic Temp Sensor (was B426) E949 YL MG MESH CNTL - Neutral
G460 GN Transmission Temperature SW E975 PU MESH Lamp
M917 PK TOS Sensor +
M918 GN TOS Sensor -
M998 OR Transmission Autoshift Mode
Control Circuits
Monitoring Circuits
Power Distribution Circuits Accessory Circuits
Lighting Circuits
Basic Machine Circuits
Ground Circuits
Off Machine Switch Specification
Part No. Function Actuate Deactuate Contact Position
8T-9793 Engine Coolant Temperature
107.0 ± 3.0°C
(224.6 ± 5.4 °F)
93.00 °C
(199.4 °F)
Normally Closed
3E-2033 Brake/Park Brake Air Pressure
640 kPa MAX
(92.0 psi MAX)
530 ± 40 kPa
(77.0 ± 6.0 psi)
Normally Open
8C-3569 Coolant Temperature (Start Aid)
38±3°C
(100.4° ± 5.4°F)
27°C MIN
(80.6°F MIN)
Normally Closed
8T-8640 Steering Press
1206 kPa MAX
(175 psi MAX)
700 ± 103 kPa
(101.5 ± 15 psi)
1-2 NO
1-3 NC
9X-0378 Engine Oil Pressure
62.0 kPa MAX
(9.0 psi MAX)
38 ±20 kPa
(5.5 ± 3.0 psi)
Normally Open
115-71 03 Fuel Pressure (EMS)
93 ± 21 kPa
(13.5 ± 3.0 psi)
69 ± 21 kPa
(10.0 ± 3.0 psi)
Normally Closed
111-7088 Inching Pedal Pressure
75.0 kPa MAX
(10.9 psi MAX)
50.0 kPa MIN
(7.3 psi MIN) -
Normally Open
114-5334 Refrigerant Pressure (A/C)
275to1750kPa ¹
(40 to 255 psi)
- Normally Open ²
125-9352 Stop Lamp Pressure
83kPa MAX
(12 psi MAX)
48 ± 20 kPa MIN
(7 ± 3 psi MIN)
Normally Open
131-41 35 Hydrualic Oil Temperature
102±3°C
(215.6 ± 5°F)
90°C(194.0 °F) Normally Closed
¹ A hysteresis band exists: with increasing pressure the closed condition can be maintained up to 2800 kpa (405 psi), with decreasing pressure the closed
condition can be maintained down to 170 kpa (25psi).
² Contact postion at the contacts of the harness connector.
Resistor, Sender and Solenoid Specifications
Part No. Component Description Resistance (Ohms)¹
3T-3123 Resistor - Panel Dimmer 25.0 ± .3
7T-4003 Resistor - Power 10.0± 0.5
9G-1950 Resistor - Blower Speed
Overall 2.00 ± .10
Tap 1.00 ± .05
7N-8532
Senders: Engine Coolant Temp
Converter Temp
54°C (130°F) - 560 to 716
110°C (230°F) - 72 to 82
3E-1906 Solenoid - A/C Clutch 17.6 ± 0.6
7T-6517 Solenoid - Blade Cushion 20.1 ± 1.0
8T-8808 Solenoid - Centershift 34.3 ± 1.7
111-0570 Solenoid - Dual HP 31.1 ± 2.4
7T-9073 Solenoid - Differential Unlock 33.6 ± 1.0
3E-6424 Solenoid - Dual HP Push Coil- Pull Coil
4.2 ± 0.42
16.1 ± 1.61
3E7985
Solenoid - Engine Shutdown
Start (Latch)
CoilStop (Unlatch) Coil
1.55 ± 0.15
10.3 ± 1.03
7T-9074 Solenoid - Forward Horn/ParkBrake 55.17 ± 5.77
9G-4365 Solenoid - Start Aid 6.0
9W-2739 Solenoid - Transmission 31 ± 3
¹ At room temperature
A
3
4
5
6
8
9
10
11
12
14
15
13
16
B
C
D
E
1
2
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
37
35
33
34
36
38
7
39
40
A
3
4
5
6
8
9
10
11
12
14
15
13
16
B
C
D
E
1
2
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
37
35
33
34
36
38
7
39
40
Machine Harness Connector And Component Locations
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 Socket
Number
Receptacle
Plug
Wire Gauge
Wire, Cable, or Harness
Assembly Identification
Wire 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
Pressure
Symbol
Temperature
Symbol
Level
Symbol
Flow
Symbol
Circuit Breaker
Symbol
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
1
2
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.
RENR1424
June 1997
120H, 135H, Motor Grader (NA Version)
Electrical System
120H:
4MK404-UP
2AN104-UP
135H:
3YK267-UP
120H Motor Grader (Australian Version)
©
1997 Caterpillar
All Rights Reserved
Printed in U.S.A.
1
1
1
1
1
2
3
1
2
3
202-BK
U
U
U
129-BUCIGAR LIGHTER
24V CIGAR
LIGHTER
9W-0335
200-BK
200-BK
112-PU
U
2
1
3
4
5
6
10A
6
7
3
795-YL
306-GN
7
2
9
8
5
449-BU
6
1
4
202-BK
M998-OR
126-PK
307-OR
795-YL
202-BK
3
2
112-PU
F769-BU
921-WH
4
FG
G
3
1
892-BR
893-GN
E937-PU
E938-OR
E939-WH
E940-BU
E941-YL
E942-GN
E943-BR
E944-GY
E945-PU
E946-OR
E947-WH
E948-BU
E949-YL
977-YL
4
921-WH
921-WH
3
2
10
9
8
7
6
5
UNUSED
L71
L71
9
8
7
6
5
4
3
2
1
592-BU
4
3
2
1
278-BK
F
921-WH
SHIFT CONSOLE
200-BK
200-BK
200-BK
200-BK
601-GY
601-GY
601-GY
112-PU-10
101-RD-4
601-GY
619-GN
611-PU
606-GY
605-YL
605-YL
606-GY
611-PU
619-GN
321-BR
604-OR
601-GY
308-YL
326-RD
795-YL
306-GN
467-WH
409-OR
113-OR
113-OR
113-OR
439-YL
GGGG
321-BR
M998-OR
126-PK
126-PK
1
202-BK
CUSHION
BLADE SW
9X-9629
521-YL
5
7
6
E975-PU
921-WH
903-GY
307-OR
902-BR
901-WH
900-PU
5
308-YL
200-BK
326-RD
307-OR
601-GY
105-RD
169-PK
570-BU
126-PK
M998-OR
202-BK
202-BK
202-BK
126-PK
307-OR
321-BR
TOS - INP
202-BK
4
UNUSED
L64
200-BK
202-BK
893-GN
892-BR
101-RD
410-WH
201-BK
727-GN
202-BK
462-YL
202-BK
ACTION ALARM 1
9G-9813
165-YL
522-WH
308-YL
795-YL
326-RD
307-OR
202-BK
F775-BU
105-RD
134-RD
RD
BK
ST
ON
OFF
449-BU
B
306-GN
795-YL
S
449-BU
202-BK
C
R
U
CENTERSHIFT
PIN SW
9X-9634
SUPP STER
TEST SW
9X-9633
U
U
U
200-BK
11 INCH PEDAL
202-BK
U
U
U
U
U
126-PK
U
U
U
4
U
U
200-BK
200-BK
200-BK
892-BR
U
202-BK
277-BK
F
202-BK
124-GN
601-GY
165-YL
893-GN
F775-BU
601-GY
200-BK
RED NEUT
570-BU
L46
202-BK
202-BK
169-PK
467-WH
307-OR
J
601-GY
200-BK
U U
14
13
12
11
10
9
8
7
6
5
4
3
2
1
15
16
17
18
19
20
21
22
23
24
TRANSMISSION DIRECTION
AND SPEED SW.
8C-5337
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
FIRST
GROUND
EIGHTH
SECOND
THIRD
FOURTH
FIFTH
601-GY
200-BK
SIXTH
SEVENTH
E943-BR
FORWARD
REVERSE
PARK
NEUTRAL
E937-PU
202-BK
E938-OR
E939-WH
E940-BU
E941-YL
PANEL LAMP
(SHIFT LEVER)
7N-5876
E942-GN
E944-GY
E945-PU
E946-OR
E947-WH
E948-BU
E949-YL
200-BK
462-YL
439-YL
202-BK
3
1
2
410-WH
201-BK
2
3
U
U
3
2
1
200-BK
601-GY
101-RD
MATE WITH BEACON
HARNESS "W"
U
2
3
200-BK
601-GY
134-RD
727-GN
H
E975-PU
G
3
2
601-GY
601-GY
F
6
5
10
AUTOSHIFT SW.
102-9861
200-BK
202-BK
977-YL
200-BK
601-GY
2
3
F775-BU
KEY START SW
9G-7641
2
L39
L20
L46
L63
L25
L38
L7
L36
L7
L7
L25
L25
L35
L35
L35
L23
L36
L36
L36
L38
L26
L26
1
L27
L28
L28
L39
126-PK
L39
1
L43
L43
L43
M918-GN
126-PK
L43
L42
L42
L46
306-GN
F
2
306-GN
L63
L63
J2
L23
892-BR
409-OR
F
F769-BU
893-GN
A
A
F843-YL
202-BK
C
M998-OR
G460-GN
202-BK
TRANS TEMP
UNUSED
16
39
38
13
36
35
34
33
32
31
30
21
14
27
26
25
24
23
22
18
122-BU-14
3
17
2
101-RD
1
8
7
20
19
10
28
37
15
9
4
5
40
467-WH
E975-PU
L71
321-BR
409-OR
G
UNUSED
UNUSED
UNUSED
F
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
126-PK
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
NEUTRAL
SERVICE
TOOL
CONNECTOR
9W-1951
126-PK
B
A
TOS + INP29
E
M917-PK
D
U
U
A
U
A
U
A
449-BU
921-WH
977-YL
12
E975-PU
977-YL
G
308-YL
202-BK
308-YL
200-BK
601-GY
373-GN
373-GN
308-YL
202-BK
200-BK
200-BK
130-RD
A513-PK
601-GY
F
113-OR
307-OR
U
U
U
202-BK
2
3
U
202-BK
977-YL7
SOL RTN
UNUSED
SOLENOID 8
SOLENOID 6
276-BK
AIR INLET
HEATER SW.
115-1969
NOTE K
SOLENOID 7
SOLENOID 5
UNUSED
UNUSED
UNUSED
EMS OUT
UNUSED6
8
101-RD-10
113-OR
UNUSED
BU ALARM
UNUSED
UNUSED
373-GN
CONN 20
CONN 21
CONN 22
CONN 25
CONN 33
CONN 34
CONN 24
CONN 30
CONN 31
CONN 32
L
200-BK
200-BK
200-BK
200-BK
202-BK
200-BK
403-GN
135-BU
200-BK
147-RD
165-YL
165-YL
498-WH
147-RD
498-WH
J
1
135-BU
+12V RADIO
GROUND (RADIO)
GROUND
+ BATTERY
200-BK
+24V IN
+12V MEMORY
147-RD
200-BK
24 TO 12 VOLT
CONVERTER
3E-8645
3
2
5
6
1
4
408-WH
F775-BU
403-GN
9
8
7
6
1
2
2
2
1
6
5
5
4
2
3
4
3
2
1
1
165-YL
165-YL
165-YL
165-YL
601-GY
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
1
J
J J
J
J
J
J
J
J
J
J
J
J
J
J
619-GN619-GN
200-BK
200-BK
614-PU
614-PU
614-PU
609-YL
601-GY
601-GY
200-BK 200-BK
200-BK
200-BK
601-GY
601-GY
200-BK
200-BK
200-BK
165-YL
1
2
3
2
L35
L65
L16
L13
L30
L35
L65
L12
L16
L13
165-YL
169-PK
202-BK
200-BK
467-WH
409-OR
605-YL
606-GY
310-PU
608-GN
614-PU
605-YL
605-YL
7
165-YL
RESISTOR
3T-3123
373-GN
334-BU
608-GN
609-YL
2
5
1
3
4
6
200-BK
601-GY
629-PK
614-PU
2
115-RD
103-RD
1
200-BK
3
601-GY
200-BK
601-GY
415-GN
308-YL
G858-OR
202-BK
165-YL
201-BK
200-BK
614-PU
169-PK
629-PK
415-GN
201-BK
J
310-PU
4
606-GY
611-PU
619-GN
310-PU
202-BK
570-BU
A429-YL
WITH SUPPLEMENTAL
STEERING SWITCH CONN'S
417-GY
600-BR
F775-BU
570-BU
417-GY
YL-18
GN-18
BK-18
RD-18
AIH
TIMER
4Y-7948
334-BU
2
373-GN
200-BK
116-BR
601-GY
31
160-PU
200-BK
L75
334-BU
160-PU
103-RD
6
4
L72
L72
3
608-GN
1
5
611-PU
2
404-YL
410-WH
201-BK
201-BK
HEADLAMP/
TAIL SW
3E-9317
201-BK
200-BK
439-YL
113-OR
200-BK
609-YL
2
1
L75
L75
601-GY
102-RD
415-GN
308-YL
322-GY
114-RD
605-YL
606-GY
614-PU
611-PU
619-GN
601-GY
609-YL
200-BK
403-GN
629-PK
608-GN
605-YL
606-GY
200-BK
556-WH
L75
601-GY
200-BK
C
556-WH
L45
L37
L12
L12
L66
L66
L32 L32
L32
L35
L30
L30
L30
L28
L27
L65
L65
L65
L11
L11
322-GY
TURN SIGNAL
SW
9G-5589
2
1
PANEL LAMP
DIMMER SW
3E-9318
122-BU-14
124-GN
113-OR
601-GY
136-GN
600-BR
601-GY
601-GY
126-PK
614-PU
608-GN
165-YL
169-PK
116-BR
149-PU
308-YL
200-BK
L76
NOTE K
200-BK
200-BK
308-YL
AIR DRYER
NOTE J
AIR CNDTR
GAGES
SUPP STEER
XSMN CNTRL
DIFF LOCK
BLADE CNTRL
REAR FLOODS
556-WH
BLADE FLOODS
614-PU
619-GN
6
3
606-GY
10A
201-BK
FLASHER
108-0358
619-GN
201-BK
441-OR
450-YL
403-GN
419-YL
405-GY
406-PU
413-BR
447-PK
201-BK
201-BK
417-GY
606-GY
605-YL
408-WH
308-YL
537-GN
1 4
5
6
2
3
611-PU
L6
HEADLAMP DIMMER SW
103-5678
149-PU
601-GY
FLOOD
LAMPS
9X-9632
200-BK
601-GY
614-PU
FUSE BLOCK
9G-0747
5
2
4
5
15A
EMS TEST SW
106-2477
10A
10A
10A
10A
200-BK
10A
10A
10A
HORN SW
8X-9440
200-BK
200-BK
200-BK
A
DIFFERENTIAL
UNLOCK SW
139-2119
LIGHT BAR
LOW BEAM
9X-9631
A
147-RD
L76
M998-OR
E975-PU
200-BK
601-GY
601-GY
601-GY
601-GY
498-WH
611-PU
601-GY
601-GY
601-GY
202-BK
J A
B
200-BK
135-BU
147-RD
147-RD
6
5
3
308-YL
2
201-BK
201-BK 1
201-BK
201-BK
201-BK
4
601-GY
403-GN
200-BK
404-YL
201-BK
449-BU
200-BK
498-WH
J
J
J
310-PU
2
3
TAIL
LAMP SW
3E9319
614-PU
601-GY
103-RD
B
201-BK
J
A
J
AJ
AJ
AA
A
201-BK
J
JNN
201-BK
J
202-BK
3K8782 FUSE (10A)
8M8948 FUSE (15A)
8M0456 FUSE (20A)
NOTE F
B
200-BK
614-PU
404-YL
7
601-GY
403-GN
D97438
200-BK
200-BK
CONN 23
CONN 26
CONN 27
CONN 28
CONN 29
CONN 35
CONN 3636, 35
462-YL
727-GN
200-BK
200-BK
200-BK
101-RD-14
147-RD
SPARE
J
112-PU
JJ
107-RD
200-BK
327-PK
7
6
5
4
1
6
5
4
2
3
3
2
306-GN
2
4
6
7
9
5
8
1
1
4
308-YL
3
592-BU
592-BU
2
1
1
3
6
5
L46
J
J
J
J
10
107-RD
L66
J
J
K
201-BK
24 TO 12 VOLT
CONVERTER
119-1733
EE
EE
EE
EE
2
1
A513-PK
102-RD
PP
200-BK
12V POWER
PORT
117-2311
135-BU
326-RD
306-GN
795-YL
101-RD-4
A
308-YL
306-GN
403-GN
KPP
200-BK
135-BU
200-BK
101-RD-14
113-OR
419-YL
405-GY
403-GN
413-BR
447-PK
GGG
2
5
3
4
1
7
A
403-GN
200-BK
728-BU
136-GN
308-YL
200-BK
A513-PK
102-RD
+12V MEMORY
+24V IN
200-BK
113-OR
+ BATTERY
GROUND
GROUND (RADIO)
+12V RADIO
122-BU-14
124-GN
113-OR
136-GN
126-PK
130-RD
134-RD
105-RD
201-BK
441-OR
406-PU
450-YL
450-YL
406-PU
441-OR
201-BK
101-RD-10
447-PK
413-BR
608-GN
405-GY
102-RD
BK-0
200-BK
L57
L57
L56
L56
L56
L55
L55
L55
L55
L60
L54
L54
L54
L63
L13
L16
L16
L61
L38
200-BK
L37
L45
522-WH
L45
597-PU
795-YL
306-GN
101-RD-4
112-PU-4
CONVERTER
SHUTDOWN CNTRL
1
326-RD
310-PU
101-RD
115-RD
112-PU-8
102-RD
101-RD
12V RADIO
135-5946
403-GN
200-BK-10 176-OR-14
176-OR-14
NOTE F
START AID
EMS TEST SW
9X-9628
L65
2
5
112-PU-8
1
3
108-RD
L65
DOME LAMP
8C-9678
101-RD-10
L75
200-BK
L35
L35
L45
A513-PK
592-BU
200-BK
508-PU
509-WH
511-BR
512-GN
113-OR
3
2
1
BK
YL
WH
L35
L35
4
6
SERVICE
METER
3E-9359
200-BK
L66
112-PU-10
2
1
8
7
200-BK
103-RD
173-RD
403-GN
J
130-RD
134-RD
114-RD
105-RD
TAIL LAMPS
TURN SIGNALS
J
L75
STOP LAMPS
SUPP STEER
HORN
KEY SW
6
1
2
308-YL
728-BU
200-BK
3
2
1
PRIMARY
STEER SW
8T-8640
101-RD
LIGHTBAR
LOW BEAM
BREAKER
3T-2662
HEADLAMP
BREAKER
3T-2662
15A
15A
BU
RD
BK
GY/BK
GY
WH/BK
WH
BK
RD
ANTENNA
9W-3072
CABLE AS.
9W-3073
YLB+ MEMORY
B+
GROUND
+ LH SPEAKER
- LH SPEAKER
+ RH SPEAKER
- RH SPEAKER
ANTENNA
403-GN
10A
10A
10A
10A
10A
10A
10A
10A
10A
200-BK
417-GY
160-PU
334-BU
L75
+
R
A429-YL
326-RD
2
24V TO 12V CONVERTER
3E-8646
IGNITION
12V OUT
GROUND
24V IN
LOCALIZED
GROUND
STUD
J
J
727-GN
727-GN
462-YL
J
J
J
A
A
A
JJ
HHHAA
A
A
K
K
FUSE BLOCK
9G-0747
107-RD
326-RD
326-RD
XX
308-YL
-
112-PU-10
101-RD-4
101-RD-10
921-WH
1
592-BU
130-RD
15A
A513-PK
113-OR
(NOTE E)
25A CONVERTER
BREAKER
3T-2662
608-GN
CONN 10
CONN 11
CONN 13
CONN 14
CONN 16
CONN 17
CONN 18
CONN 19
202-BK
202-BK
202-BK
449-BU
126-PK
449-BU
202-BK
L46
921-WH
921-WH
UNUSED
START SW.
UNUSED
GROUND
CAT LINK -
6+BATTERY
VHP SOL
SOLENOID 1
SOLENOID 2
SOLENOID 3
UNUSED
UNUSED
SOLENOID 4
TRANS LAMP
L71
L71
L71
19
9
A/M SWTCH
SOL RTN
GROUND
UNUSED
NEUTRAL
START
CONTROL
117-9364
F
202-BK
307-OR
E948-BU
E949-YL
1
2
3
4
5
6
SOL 1 OUTPUT
SW 2 INPUT
BAT +
SW 1 INPUT
+BATTERY
NEUTRAL
CAT LINK +
RED NEUTR
FIRST
278-BK
K
K
L
FFF
FFF
FFF
FFF
FFF
SECOND
FFF
THIRD
101-RD-14 10
9
SOL 2 OUTPUT
8
GROUND
5
135-BU
K
2
1
276-BK
FOURTH
FIFTH
SIXTH
SEVENTH
EIGHTH
FORWARD
921-WH
306-GN
306-GN
307-OR
E948-BU
E949-YL
L
L
L
L
L
L
L
L
L L
L
L
L
L
L
L
L
L
L
L
L
L
578-BU
L
L
L
L
L
L
L
L
L
L
577-PU
576-PK
575-YL
506-PU
505-BU
504-YL
119-PK
REAR
DEFROST SW
9X-9638
FRONT
DEFROST SW
9X-9638
152-BU
152-BU
152-BU
200-BK
119-PK
119-PK
H
L
B B
P
W
L
REVERSE
PARK
7
2
1
3
4
5
W
P
B
503-BR
B
L
W
H
P
B
507-WH
119-PK
6
7
6
119-PK
4
592-BU
8
118-GY
2
1
3
A513-PK
506-PU
578-BU
507-WH
575-YL
577-PU
576-PK
152-BU
101-RD
5
4
3
2
755-OR
1
754-BU
7
752-YL
751-GN
112-PU-10
601-GY
605-YL
606-GY
611-PU
619-GN
L
L
200-BK
601-GY
144-RD
603-PK
3
10
118-GY
118-GY
118-GY
11
12
13
14
15
126-PK
202-BK
200-BK
16
A
17
18
21
A
22
23
24
25
200-BK
26
27
200-BK
200-BK
TRANSMISSION CONTROL
132-2148
28
29
30
31
135-BU
101-RD-14
F
32
33
34
35
40
37
38
584-YL
584-YL
202-BK
4K-5122 HOLDER AS.
3K-8782 FUSE
601-GY
200-BK
39
36
+BATTERY
DIA CODE 1
20
126-PK
J1
977-YL
DIA CODE 0
L22
L19L62
L5
L5
L20
L20
L23
L23
L21
L18
DIA CODE 2
L18
L7
L7
L7
L7
L7
4
8
L15
L15
7
L15
2
3
6
1
6
3
5
7
4
5
2
1
2
1
9
5
3
4
2
6
8
7
10
200-BK
200-BK
FRONT LOWER
WIPER SW
3T-6655
L22
M998-OR
F843-YL
118-GY
152-BU
119-PK
141-PK
151-GN
108-RD
144-RD
A503-PK
A506-OR
306-GN
584-YL
2
900-PU
151-GN
5
277-BK
E949-YL
L18
1
584-YL
200-BK
200-BK
601-GY
3
4
A504-GN
6
A507-YL
200-BK
604-OR
130-RD
200-BK-8
112-PU-10
113-OR
A513-PK
605-YL
606-GY
611-PU
619-GN
507-WH
578-BU
506-PU
152-BU
576-PK
577-PU
575-YL
101-RD
GND
PARK
B+
200-BK
141-PK
601-GY
101-RD
507-WH
578-BU
506-PU
118-GY
501-GN
500-BR
502-OR
200-BK
A507-YL
A504-GN
603-PK
119-PK
505-BU
503-BR
504-YL
FRONT UPPER
WIPER SW
3T-6655
BEACON SW
9X-9639
E948-BU
511-BR
512-GN
101-RD
E947-WH
152-BU
E946-OR
901-WH
902-BR
903-GY
921-WH
M917-PK
FRONT LOWER
WIPER
9X-3392
576-PK
152-BU
575-YL
577-PU
G460-GN
108-RD
A503-PK
A506-OR
152-BU
576-PK
575-YL
577-PU
GN
GY
BR
OR
4
2
3
1
HI
LO
MOTOR
M918-GN
921-WH
751-GN
752-YL
°T
BK
113-OR
UPPER WIPER/WASHER
LOWER WIPER/WASHER
REAR WIPER/WASHER
FRONT DEFROSTER
REAR DEFROSTER
DOME LAMP
BEACON
10A
10A
10A
10A
10A
10A
10A
B
6
L
H
4
3
119-PK
200-BK
502-OR
601-GY
200-BK
1
5
+
-
112-PU
112-PU
112-PU
112-PU
592-BU
112-PU
101-RD
L
501-GN
112-PU-10
500-BR
2
K
E945-PU
E944-GY
795-YL
E943-BR
E942-GN
306-GN
E941-YL
E975-PU
E940-BU
126-PK
E939-WH
202-BK
E938-OR
754-BU
F769-BU
E937-PU
893-GN
892-BR
307-OR
755-OR
K
A
A
L
L
KK
A
K
K
LH
101-RD-14
126-PK
REAR
WIPER SW
3T-6655
UNUSED
A/M LAMP
A
UNUSED
CONN 37
CONN 50
CONN 38
CONN 39
CONN 40
CONN 45
CONN 46
CONN 47
F775-BU
201-BK
408-WH
200-BK
200-BK
200-BK
200-BK
200-BK
570-BU
200-BK
200-BK
200-BK
619-GN
619-GN
611-PU
611-PU
P
P
200-BK
629-PK
EEE
K
K
200-BK
200-BK
L6
L10
L10
L10
L10
L1
L2
L2
200-BK
200-BK
2
200-BK
OPERATOR STATION
1
200-BK
609-YL 609-YL
609-YL
FORWARD
HORN
SOLENOID
7T-9074
P
P
P
EEE
T
T
K
K
K
CC
T
A
A
EEE
P
A
A
A
619-GN
611-PU
605-YL
619-GN
611-PU
606-GY
200-BK
200-BK
629-PK
570-BU 570-BU
200-BK
1
2
LO BEAM
HEADLAMP
9X-7169
606-GY
605-YL
611-PU
619-GN
200-BK
629-PK
200-BK
1
2
629-PK
200-BK
GN
GN
1
2
GN
GN
200-BK
1
2
BLADE
CUSHION
SOLENOIDS
7T-6517
570-BU
200-BK
609-YL
200-BK
BK
RD
2
1
1
2322-GY
1
2
3
4
5
570-BU
619-GN
200-BK
200-BK
611-PU
605-YL
200-BK
1
2
RD
BK
LO BEAM
HEADLAMP
9X-7169
HI BEAM
HEADLAMP
9X-7170
TURN
SIGNAL
7X-6066
CAB TURN
SIGNAL
7X-6066
CAB HI BEAM
HEADLAMP
133-3035
CAB LO BEAM
HEADLAMP
133-3037
200-BK
605-YL
611-PU
200-BK
619-GN
200-BK
BLADE
FLOOD
LAMP
9X-6775
114-RD
CONN 48
CONN 49
200-BK
2
1
200-BK
L71
200-BK
P
P
BRAKE AIR SW
3E-2033
BK-18 1
2
EEE
BRAKE AIR SW
3E-2033
K
K
605-YL
619-GN
611-PU
BK-18201-BK
3
4
1
2
BK-18
439-YL
200-BK
113-OR
A
3
619-GN
BK-18
BK-18
2
2
L22
L7
L7
L6
L6
488-WH
L5
L2
L2
L1L1
1
4
1
611-PU
606-GY
200-BK
605-YL
200-BK
200-BK
200-BK
WH-18
BK-18
200-BK
200-BK
EEE
P
P
P
A
A
A
K
K
K
A
CCA
WH-18
200-BK
611-PU
606-GY
619-GN
200-BK
629-PK
CENTERSHIFT
SOLENOID
8T-8808
1
2
F775-BU
200-BK
GN
GN
606-GY
200-BK
LO BEAM
HEADLAMP
9X-7169
629-PK
200-BK
STOP LAMP
SW
125-9352
200-BK
WH-18
CENTERSHIFT
INDICATOR SW
3E-9367
130-RD
604-OR
408-WH
488-WH
408-WH
201-BK
RD
BK
1
2
RIGHT SPEAKER
6T-7695
609-YL
200-BK
OPERATOR STATION
WH-18
1
2
619-GN
200-BK
611-PU
200-BK
LO BEAM
HEADLAMP
9X-7169
HI BEAM
HEADLAMP
9X-7170
TURN
SIGNAL
7X-6066
CAB TURN
SIGNAL
7X-6066
CAB HI BEAM
HEADLAMP
133-3035
CAB LO BEAM
HEADLAMP
133-3037
606-GY
200-BK
611-PU
200-BK
RD
BK
200-BK
619-GN
1
2
BLADE
FLOOD
LAMP
9X-6775
TRANS SPD SENDER
104-6387
M917-PK
M918-GN
2
1
8
7
6
9
5
4
3
2
10
1
200-BK
608-GN
608-GN
C
B
A
PK-18
BR-18
BK-18
BU-18
PU-18
OR-18
GN-18
STEER SW
ALTERNATOR
WH-18
YL-18
GROUND
1
2
9
6
8
4
5
3
7
+ BATTERY
KEY SW
GN-18
GY-18
MOTOR RELAY
OPR PANEL
SUPPLEMENTAL
STEERING
MOTOR
117-3915
SUPPLEMENTAL
STEERING
RELAY
3E-0154
SUPPLEMENTAL
STEERING
3E-5184
3T-3964
G
RD-0 RD-0
MOTOR
S
T
109-RD-10
122-BU-14
200-BK
1
2
BK
BK
AIR DRYER
8W-3087
°
T
321-BR
1
2
200-BK
606-GY
614-PU
604-OR
BACKUP
ALARM
123-6449
326-RD
200-BK-10
301-BU-10
306-GN
112-PU-4
304-WH-10
101-RD-4
200-BK-4
200-BK
136-GN
308-YL
200-BK
200-BK
728-BU
403-GN
903-GY
ALTERNATOR
BREAKER
9S-0174 STD
9S-4693 ATCH
902-BR
80A
901-WH
921-WH
900-PU
755-OR
754-BU
752-YL
122-BU-14
200-BK
200-BK
921-WH
751-GN
403-GN
109-RD-4
604-OR
614-PU
606-GY
200-BK
200-BK
727-GN
417-GY
1
2
GND
START
STOP
921-WH
903-GY
921-WH
902-BR
921-WH
901-WH
921-WH
900-PU
921-WH
755-OR
921-WH
754-BU
921-WH
752-YL
921-WH
751-GN
1
2
2
1
SOL 4
SOL 8
SOL 7
SOL 3
1
2
2
1
1
2
2
1
SOL 2
SOL 6
SOL 5
SOL 1
1
2
2
1
9W-2739
9W-2739
9W-2739
9W-2739
9W-2739
9W-2739
9W-2739
9W-2739
604-OR
614-PU
200-BK
RD
WH
BK
REAR FLOOD
LAMP
9X-6775
ALTERNATOR
100-5047 50A ATCH
3E-7577 75A ATCH
6N-9294 35A STD
MAIN
RELAY
101-7740
START
RELAY
3E-7279
60A
109-RD-4
F769-BU
V
2
1
202-BK
449-BU
ALT
+
R
1
3
2
605-YL
200-BK
RD
BK
STOP/TAIL
LAMP
130-3452
WH-18
TURN LAMP
7X-6066
BK-18
449-BU
JJ
202-BK
F
G460-GN
126-PK
605-YL
202-BK
F843-YL
6
C
4
200-BK
200-BK
200-BK
AAA
AAA
3
2
1
AAA
AAA
7
5
2
1
311-WH
308-YL
Y
308-YL
306-GN
Y
Y
A
112-PU-4
Y A
326-RD
306-GN
327-PK
200-BK
107-RD
OFF
OFF (KEY)
RESET
ENG SOL
GROUND
+ BATTERY
7
6
5
4
3
2
1
OR-18
WH-18
YL-18
ENGINE SHUTDOWN
CONTROL
9G-9287
BU-18
BK-18
RD-18
B
NNN NNN
202-BK
126-PK
G460-GN
A
L69
L69
L69
L62
L62
L62
L60
L60
L60
L48 L48
L48
L46
L46
L51
L51
L50
L50
126-PK
G460-GN
202-BK
200-BK
556-WH
1
2
OR-18
BK-18
GROUND
Y
M917-PK AND
M918-GN ARE
TWISTED PAIR
SHUTDOWN
SOL
3E-7985
311-WH
MUR440
Y
Y
1
V+
2
200-BK
200-BK
2
1
202-BK
SIGNAL
10
CCC
921-WH
321-BR
YL-18
Y
BK
BK
202-BK
M917-PK AND M918-GN ARE TWISTED PAIR
606-GY
2
AAA
921-WH
556-WH
BK-18
TRANSMISSION
OIL TEMP SENS
3E-8700
E
1
200-BK
727-GN
462-YL
WH-18
V F
2
202-BK
TRANS SPD SENDER
(SPEEDOMETER)
104-6387
AAA
3
DIFFERENTIAL
UNLOCK SOLENOID
7T-9073
GN
GN
M918-GN
M917-PK
1
2
556-WH
ARC SUPPRESSOR
106-8704
101-RD-4
Y
Y
4
Y Y
202-BK
1
2
Y
AAA
200-BK
Y
109-RD-4
1
109-RD-4
200-BK
614-PU
604-OR
GGG
GGG
XX
YY
AAA
YY
WW
Y
V
F
N
N
N
N
N
N
E
E
HHJJJ
N
N
E
CCC
CCC
CCC
M917-PK AND
M918-GN ARE
TWISTED PAIR
202-BK
N
CONN 5
CONN 6
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
2
4
1
5
3
2
112-PU
2
1
3
2
1
2
1
2
1
921-WH
3
W
W
2
1
9
522-WH
597-PU
4
1
2
2
8
6
1
2
1
7
1
2
3
4
2
4
3
2
1
2
1
2
1
2
1
2
921-WH
1
200-BK
10A
603-PK
200-BK
200-BK200-BK
BEACON
128-6983
BEACON SW
9X-9639
601-GY
200-BK
OPEN ROPS BEACON ATCH
101-RD
BEACON FUSE
419-YL
201-BK
126-PK
PARK BRAKE
PRESS SW
3E-2033
PARK BRAKE
SOLENOID
7T-9074
RD
RD
BK-18
200-BK
BK-18
200-BK-14
597-PU
521-YL
122-BU-14
GGGG
54
3 1
200-BK-14
CONDENSER
RELAY
3E-5239
CONDENSER
MOTOR
7X-6279
CONDENSER
MOTOR
7X-6279
597-PU
521-YL
1
158-BR-14
200-BK-14
593-GN-14
200-BK-14
593-GN-14
597-PU-14
521-YL-14
MOTOR
MOTOR
GG
WH/RD-14
WH/RD-14
BK-14
BK-14
GG
CONDENSER GP-ROOFTOP 103-8519
MM
A
FFFF
2
200-BK
200-BK
611-PU
619-GN
605-YL
606-GY
BK
BK
BK
AAA
AAA
BK
DUAL HORSEPOWER/SHUTDOWN
SOLENOID
3E-6424
NOTE G
2
1
321-BR
WH
ART
SENDER
3E-5383
A429-YL
200-BK
404-YL
201-BK
131-4135
HYD OIL
TEMP SW
°T
4
A507-YLRD
200-BK
200-BK
603-PK
200-BK
504-YL
119-PK
503-BR
505-BU
603-PK
A504-GN
BLOWER
9X-0343
604-OR
556-WH
122-BU-14
605-YL
606-GY
614-PU
321-BR
604-OR
504-YL
119-PK
503-BR
505-BU
GND
PARK
B+
GN
GY
BR
OR
4
2
3
1
HI
2
LO
MOTOR
4
°T
1
BK
5
DEFROSTER
9X-9657
MOTOR
3
L57
L54
L55
L56
L51
L51 L51
L46
L63
L25
L38
L7
L37
L37
L37
L37
L36
L36
L37
L36
L61
L61
L41
L41
L20
200-BK
1
5
122-BU-14
1
1
STRAP
4 GA STD
1/0 ATCH
200-BK
BK
RESISTOR
7T-4003
BEACON
128-6983
BULB
9X-7849
1
2
202-BK
200-BK
REAR WIPER
9X-3392
4
126-PK 126-PK
A
200-BK
200-BK
200-BK
200-BK
A507-YL
WITH 103-8519 ROOFTOP
CONDENSER GP., REMOVE
JUMPER KK AND MATE
HARNESS FF TO
HARNESS A
2
200-BK
200-BK
200-BK
BK
BK
KK
BK
5
W
W
W
601-GY
3
200-BK
2
H
AAA
327-PK
W
W
H
H
VV
VV
A
AE
H
H
H
A
200-BK
A
W
601-GY
522-WH
200-BK
521-YL
124-GN
X
BLOWER
9X-9363
515-GY
200-BK
124-GN
521-YL
515-GY
516-GN
517-BU
BLOWER SW
6P-3236
RESISTOR
9G-1950
BASE
7G-9730
PANEL LAMP
8D-1429
200-BK
200-BK
WH/RD-14
BK-14
MOTOR
3
4
5
2
3
1
921-WH
200-BK
614-PU
WITH 8C-9788 COND. GP.,
WITH 8C-9787 HEATER GP.,
CONN. C
CONN. B
HEATER GP 8C-9787
200-BK
614-PU
1
2
5
4
3
T°
MOTOR
WH/RD-14
BK-14
PANEL LAMP
8D-1429
BASE
7G-9730
THERMOSTAT
SW
3E-5464
RESISTOR
9G-1950
BLOWER SW
6P-3236
X
124-GN
521-YL
515-GY
516-GN
517-BU
CONDITIONER GP-B 8C9788
L42
515-GY
200-BK
BLOWER
9X-9363
X
X
U
144-RD
CONN 15
CONN 15 MATES TO CONN. B
CONN 15 MATES TO CONN. C
2
1
2
1
L69
200-BK
608-GN
A/C REFRIGERANT SW
114-5334
NOTE A
L
H
334-BU
200-BK
1
2
101-RD-4
201-BK
405-GY
BK
BK
413-BR
FUEL
SW
115-7103
406-PU
201-BK
200-BK
200-BK
°T
608-GN
BK
BK
200-BK
200-BK
RD-00
RD-00
921-WH
795-YL
BK-6
2
1
450-YL
202-BK
WH
BK
REAR
FRAME
ENGINE
OIL SW
9X-0378
T°
311-WH
310-PU
1
2
COOLANT SW
8C-3569
BK-18
BK-18
START AID
SOLENOID
9G-4365
NOTE F
FUEL LEVEL
SENDER
120-9588
513-OR
597-PU
GN-18
BK-18
447-PK
200-BK
°T
G
1
2
ENGINE SPEED
SENSOR
3E-7886
COOLANT TEMP
SWITCH
8T-9793
COOLANT TEMP
SENDER
4W-9972
1
2
1
3
2
AIR CONDITIONER
CLUTCH SOL
3E-1906
GN
GN
STARTER
106-8555
200-BK
606-GY
614-PU
604-OR
301-BU-10
304-WH-10
921-WH
BU
BK 2
1
AAA
441-OR
TURN LAMP
7X-6066
STOP/TAIL
LAMP
130-3452
RD
BK
606-GY
200-BK
DISCONNECT SW
7N-0718
RD-0
RD-00
BK-00
ENGINE
200-BK-4
BK-00
BK-00
12V BATTERY
3T-5760 STD
9X-9721 ATCH
G S
MTR BAT
MOTOR
NEGPOS
NEG POS
RD
WH
BK
604-OR
614-PU
200-BK
608-GN
200-BK
REAR FLOOD
LAMP
9X-6775
T
S
202-BK
F769-BU
2
2
1
311-WH
202-BK
202-BK
INCHING PEDAL
PRESSURE SW
(TRANSMISSION)
111-7088
BK
BK
F
F843-YL
AAA
AAA
597-PU
522-WH
795-YL
795-YL
597-PU
441-OR
413-BR
406-PU
405-GY
200-BK
327-PK
326-RD
450-YL
202-BK
201-BK
201-BK
AAA
AAA
AAA
AAA
AAA
201-BK
311-WH
AAA
AAA
AAA
AAA
522-WH
200-BK
Y310-PU
310-PU
311-WH
Y
AAA
8
6
7
8
2
3
4
1
5
7
6
A
A
A
727-GN
462-YL
326-RD
522-WH
597-PU
795-YL
202-BK
327-PK
450-YL
406-PU
441-OR
201-BK
6
200-BK
447-PK
608-GN
403-GN
306-GN
310-PU
308-YL
405-GY
200-BK
200-BK
160-PU
334-BU
1
1
BK
BK 2
1
2
1
L60
L51
L69
L48
200-BK
462-YL
L63
L63
L63
L63
L50
L50
L51
L62
L60
921-WH
L49
L49
L49
L49
L49
727-GN
L48
L48
L48
1
2
200-BK
ARC SUPPRESSOR
106-8704
200-BK
200-BK-10
BK
BK
2
7
2
L54
L55
L56
F
1
4
513-OR
522-WH
2
REAR
FRAME
5
1
3
5
4
3
200-BK
513-OR
2
1
1
12V BATTERY
3T-5760 STD
9X-9721 ATCH
1
2
727-GN
DUAL HORSEPOWER
SOLENOID
110-0570
NOTE H
200-BK
200-BK
AAA
A
WW
KKK
LL
UU
UU
2
Y
200-BK
AAA
AAA
Y CONN. B
Y CONN. A
HHJJJ
YHH
CCC
CCC
LLL
LLLRR
KKK
RRTT
TT
201-BK
MUR440
413-BR
1
2
202-BK
462-YL
BK
CONNECT CONN. A TO
CONN. B WHEN USING
STARTING/CHARGING
ANALYZER WITHOUT
START AID
ATTACHMENT
BK
CONN 1
CONN 2
CONN3
CONN 4
CONN 7
CONN 8
CONN 8
CONN 12
508-PU
509-WH
1
5
4
3
2
M998-OR
200-BK
200-BK
200-BK
M
M
200-BK
135-BU
200-BK
TRANS
A/M
7N-5876
NOTE B
200-BK
202-BK
M
498-WH
DIFF
UNLOCK
LAMP
7N-5876
NOTE B
M
611-PU
HI BEAM
INDICATOR
7N-5876
NOTE B
M
M
E975-PU
101-RD-14
592-BU
200-BK
200-BK
200-BK
511-BR
A513-PK
200-BK
200-BK
200-BK
200-BK
200-BK
101-RD-14
200-BK
113-OR
A513-PK
200-BK
512-GN
511-BR
592-BU
200-BK
135-BU
200-BK-8
200-BK
7
6
5
1
4
3
450-YL
449-BU
614-PU
200-BK
200-BK
606-GY
450-YL
202-BK
201-BK
200-BK
OPERATOR MONITOR 9X-7801
LAMP
UNUSED
UNUSED
GROUND
NEUTRAL
BK AIR PRESS
HYD TEMP
BRAKE ON
UNUSED
ALARM
+ BATTERY
PRIM STEER
SHIFT FAULT
UNUSED
UNUSED
FUEL PRESS
ALTERNATOR
TEST
ENG OIL PRESS
COOLANT TEMP
4
8
7
1
160-PU
3
2
11
18
14
2
9
8
7
19
17
10
12
4
13
6
5
A
15
3
467-WH
417-GY
410-WH
485-YL
419-YL
404-YL
9
408-WH
409-OR
6
M
L19
L16
L13
L11
L12
L32
16
200-BK
20
L32
L21 L21
L21
L21
L62
L10
L19
L21
L18
L62
L62
L16
L16
L15
512-GN
L14
L14L14
L13
L13
L11
L11
L11
L12
L10
L10
E975-PU
M
M AIH LAMP
7N-5876
NOTE B
200-BK
A506-OR
A503-PK
160-PU
201-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
411-PK
201-BK
9
5
3
200-BK
7
L18
- +
200-BK
-+
- +
REAR
WASHER
7T-8891FRONT UPPER
WASHER
7T-8891
507-WH
506-PU
578-BU
FRONT LOWER
WASHER
7T-8891
507-WH
200-BK
FRONT
FRAME
201-BK
200-BK-6
202-BK
108-RD
2
200-BK
200-BK
4
CAB
GROUND
606-GY
605-YL
611-PU
619-GN
114-RD
322-GY
BLOWER
9X-0343
DEFROSTER
9X-9657
611-PU
508-PU
509-WH
LEFT SPEAKER
6T-7695
A506-OR
200-BK
MOTOR
MOTOR
501-GN
118-GY
500-BR
502-OR
RESISTOR
7T-4003
RD
BK
629-PK
609-YL
200-BK
GND
PARK
B+
GN
GY
BR
OR
4
2
3
1
HI
LO
MOTOR
°T
BK
FRONT
FRAME
10
MOTOR
1
2
4
6
8
10
1
+
-
MOTOR
113-OR
FRONT UPPER
WIPER
9X-3392
2
5
2
5
7
9
3
4
6
8
1
201-BK
201-BK
413-BR
200-BK
K
A506-OR
K
113-OR
113-OR
K
200-BK
406-PU
405-GY
614-PU 614-PU
614-PU614-PU
614-PU 614-PU
614-PU
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
M
M
M
A
A
1
A
M
113-OR
LAMP
8M-6176
FUEL
LEVEL
COOLANT
TEMP
M
M
M
M
M
M
M
M
A429-YL
G434-BU
M
M
113-OR
441-OR
614-PU
447-PK
200-BK
LAMP
8D-1429
TACHOMETER
110-8468
GRD
SEND
IGN
GRD
SIG
IGN
M
403-GN
GAUGE
CLUSTER
124-0384
415-GN
498-WH
WH
RD
OR
PU
GN
GY
PK
YL
BK
(12 V)
(24 V)
(12 V)
(24 V)
IGN
200-BK
SEND
GRD
IGN
SEND
GRD
IGN
SEND
GRD
M
RIGHT
TURN
LAMP
7N-5876
NOTE B
200-BK
606-GY
113-OR
M
M
M
M
450-YL
ARTICULATION
113-OR
200-BK
200-BK
L64
200-BK
AA
AA
AA
200-BK-14
K
K
K
K
K
A MMM
MMM
614-PU
SPEEDOMETER
110-2338
MASTER
ACTION
LAMP
9W-2111
NOTE B
411-PK
201-BK
M998-OR
450-YL
449-BU
606-GY
605-YL
614-PU
200-BK
200-BK
417-GY
467-WH
409-OR
408-WH
404-YL
419-YL
201-BK
410-WH
200-BK
A429-YL
439-YL
201-BK
413-BR
406-PU
405-GY
415-GN
447-PK
441-OR
113-OR
403-GN
439-YL
200-BK
605-YL
200-BK
614-PU
200-BK
614-PU
200-BK
113-OR
449-BU
C'SHIFT
PIN
LAMP
7N-5876
NOTE B
LEFT TURN
INDICATOR
LAMP
7N-5876
NOTE B
R/S SYSTEM
AIR PRESS
GAUGE
1W-3306
LAMP
7N-5876
L/S
SYSTEM
AIR
PRESS
GAUGE
1W-3306
LAMP
7N-5876
MM
M
M
M
COLD
TEMP
LAMP
7N-5876
200-BK
M
M
E975-PU
LAMP
8D-1429
201-BK
CONN 41
CONN 42
CONN 43
CONN 44
NOTE K: AIR INLET HEATER IS NOT AVAILABLE ON THESE
MODELS
BATTERIES 9X-9721 MUST BE USED WITH
SUPPLEMENTAL STEERING CONTROL
NOTE D:
8T-9722
7V-8390
6D-4162
6D-4161
SHELL
SPRING
BUSHING
CONTACT
CABLE AS.
NOTE A: NORMALLY OPEN BEFORE REFRIGERANT CHARGE
UNLESS OTHERWISE SPECIFIED: ALL WIRE IS 16 GAUGE
COMPONENTS ARE SHOWN INSTALLED ON A FULLY
WIRE AS.
AID ATTACHMENT.
NOTE G: USE 3E-6424 DUAL HORSEPOWER/SHUTDOWN SOLENOID
WITH FUEL AIR RATIO CONTROL
NOTE H: 140HNA ONLY
OPERABLE MACHINE WITH THE KEY AND ENGINE OFF
THIS SCHEMATIC IS FOR THE 120H NA, 135H NA
MOTOR GRADER (146-4283 CHG 01).
UNLESS OTHERWISE SPECIFIED: ALL WIRES IN A SPLICE
ARE THE SAME IDENT. NUMBER, COLOR, AND 16 GAUGE
AND XMSN SHIFTER IN NEUTRAL
NOTE J: USE 20A FUSE WHEN ATTACHMENT AIR CONDITIONER
(HEATS AND COOLS) WITH ROOF TOP CONDENSER
IS PRESENT
6R
5R
4R
3R
2R
1R
8F
7F
6F
5F
4F
3F
2F
1F
N
PARK
NOTE E: POWER LEADS FOR 2-WAY FM COMMUNICATION
RADIO SHOULD BE SIZE 10 AWG
TRANSMISSION SHIFT LEVER LOGIC TABLE:
NOTE B:
TO
GND
NOTE C:
24V OUTPUTS
NEU
SOL
RET8
W/
AWD76
SOLENOIDS D
HPGEAR 5
B
U4
KKK
RR
LLL
TT
TT
UU
VV
VV
WW
XX
YY
MMM
LL
MM
NN
GGGG
3
S
T21
NOTE F: USE 9X-9628 SWITCH WITH START
CIRCUIT GROUPING
DESIGNATION
L#
NOTECHG
ATCH WIRE, CABLE &
COMPONENT
CIRCUIT NOT CONNECTED
CIRCUIT CONNECTED
LOC
HARNESS AS.
PART NO.IDENT
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
CONNECTOR
SYMBOL DESCRIPTION
BROWN
PURPLE
GRAY
BLACK
COLORABBREV
PINK
YELLOW
ORANGE
WHITE
RED
BR
PU
GY
TO MACHINE STRUCTURE
V
W
X
Y
GGG
AA
HHH
CC
JJJ
EE
FF
GG
HH
JJ
KK
PP
NNN
L
N
P
EEE
FFF
T
U
A
AAA
CCC
E
F
G
H
J
K
M
111-0871
5-T1553
110-6399
143-5963
143-5964
061-7661
7G-1060
8X-9618
115-5322
101-8204
143-8481
1S-2342
9F-4337
6T-6962
8X-9440
139-0071
143-5374
142-1249
124-1429
138-9116
101-8185
115-9446
139-0248
101-8190
101-8192
112-0829
8X-9091
123-8330
101-8193
115-9447
4E-8715
139-3507
145-9535
115-9433
137-1120
101-8205
101-8194
101-8181
101-8188
139-0073
133-9666
139-1211
138-9086
138-9083
143-3433
138-9089
101-8161
138-9724
139-3506
138-9725
00
01
01
00
00
03
00
01
00
01
00
02
07
00
03
00
01
00
00
01
01
00
00
02
01
02
03
02
03
01
00
00
00
00
02
02
02
04
02
01
02
02
00
00
01
00
02
00
00
00
(POS BAT TO START MTR)
(NEG BAT/DISCONNECT SW)
(DISCONNECT SW TO GND)
(NEG BAT TO POS BAT)
(NEG BAT TO POS BAT)
(START MTR TO FRAME GND)
(GND-R FRAME TO F FRAME)
(GND-R FRAME TO F FRAME)
(START MTR/STR RELAY)
(STEERING MTR TO GND)
(STR RELAY TO STR MTR)
(GND-F FRAME TO CAB)
(START MTR TO ENGINE)
(CONDENSER FAN JUMPER)
(HORN SWITCH)
(FUSE TO CIGAR LIGHTER)
(TRANS SPEED SENDER
(BEACON-OPEN ROPS)
(CONDITIONER GP-B)
(FUEL TANK)
(SUPPLEMENTAL STEERING)
(HEADLAMP BREAKER)
(LOW BEAM BREAKER-BAR)
(BLADE FLOOD LAMP)
(REAR FLOOD LAMP)
(2-WAY RADIO CONVERTER)
(CONDENSER GP-CAB)
(CONDENSER GP-ROOFTOP)
(REAR FLOOD LMP-FUEL TNK)
(ENGINE SHUTDOWN CNTRL)
(CONDENSER JUMPER)
(POWER PORT)
(TRANS TEMP SENSOR)
(SW PANEL)
(TRANSMISSION)
(HEADLIGHTS-BAR)
(LOW BEAMS)
(CAB FUSE PANEL)
(BLADE CUSHION)
(XSMN CONSOLE-SWITCHES)
(PLATFORM)
(ENGINE)
(RADIATOR GRILL)
(R FRAME)
(R FRAME-TRANS)
(XSMN CONSOLE)
(CAB-REAR)
(STEERING CONSOLE)
(CAB-FRONT)
(GAUGE CONSOLE)
ATCH
ATCH
ATCH
ATCH
ATCH
ATCH
ATCH
ATCH
ATCH
ATCH
ATCH
ATCH
ATCH
ATCH
ATCH
ATCH
ATCH
ATCH
F
E
D
C
B
A
9 8 7
6
5 4
3 2
1
15 14 13 12 11 10
9 8 7
6
5 4
3 2
1131415 101112
F
E
D
C
B
A
WIRES THAT HAVE BATTERY VOLTAGE
WHEN THE KEY SWITCH IS OFF.
WIRES THAT HAVE BATTERY VOLTAGE
WHEN THE KEY SWITCH IS ON.
STARTING CIRCUIT.
GAUGE CIRCUIT.
MONITOR CIRCUIT. (EMS)
PANEL LAMP CIRCUIT.
WASHER/WIPER CIRCUIT.
HEATER AND AIR CONDITIONER CIRCUIT.
GROUND CIRCUIT.
TURN SIGNAL CIRCUIT.
ENGINE SHUTDOWN CONTROL CIRCUIT.
START AID CIRCUIT.
TRANSMISSION CONTROL CIRCUIT.
ALL DASHED LINES ARE ATTACHMENTS.