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KENR8244-08
Wire Description Component Location October 2013
Wire Wire Wire Wire Schematic Machine Schematic Machine 60 3
Description Description Component Component
Number Color Number Color Location Location Location Location
Power Circuits Lighting Circuits (Continued)
19 26
Air Dryer F-12 1 Sensor - Atmospheric Pressure G-15 76
101 RD Battery + 609 YL Snow Wing Lamp Alarm - Action A-12 2 Sensor - Engine Oil Pressure G-15 77
102 BU Headlamps 611 PU LH/RH Lightbar High Beam Headlamps CONN 47
Alarm - Backup J-16 3 Sensor - Engine Speed F-15 78 32
103 YL Tail/Panel Lamps 612 GY Auxiliary Circuit Alternator H-12 4 Sensor - Fuel Pressure F-12 79
105 BR Key Switch 614 PU Auxiliary Circuit Arc Suppressor - Differential Lock I-15 5 Sensor - Inching Pedal Position E-7 80 CONN 44
106 WH Battery 1 to Battery 2 617 BR Auxiliary Circuit Battery 1 G-12 6 Sensor - Injector Actuation Pressure G-15 81 50
108 BU Dome Lamp 618 YL Auxiliary Circuit Battery 2 G-12 7 Sensor - Intake Manifold Air Pressure G-15 82
55
109 RD Alternator Output + 619 GN LH/RH Lightbar Low Beam H
CONN 43
Breaker - Alternator G-12 8 Sensor - Secondary Engine Speed F-15 83 CONN 21 52
112 PU Main Relay Output 629 PK LH/RH Lightbar Worklamps Breaker - Main G-12 9 Sensor - Throttle Position I-8 84 13
113 OR Monitor 633 BU LH/RH Moldboard Lamps Control - Engine H-16 10 Sensor - Transmission Input Speed B-16 85
76 12
(Dimensions: 56 inches x 35 inches)
114 GN Forward Warning Horn 647 GN Auxiliary Circuit CONN 22 27
Control - Transmission E-12 11 Sensor - Transmission Output Speed 1 B-16 86 134
115 PK Lightbars 685 BR LH/RH Blade Floodlamps Converter - 12 to 24 Volt 1 J-10 12 Sensor - Transmission Output Speed 2 B-16 87 CONN 8 59
116
117
BR
YL
Rear Floods
Load 1 751 GN
Control Circuits
Transmission Solenoid 3 (Re
Converter - 12 to 24 Volt 2 I-8 13 Sensor - Transmission Temperature D-15 88
CONN 7 1
A
Converter - 20A C-2 14 Sensor - Turbo Inlet Pressure F-12 89 137
118 GY Front Upper Wiper 752 YL Transmission Solenoid 1 (Fo Flasher J-7 15 Shifter - Transmission A-11 90
89 CONN 15
KENR8244-08
119 PK Rear Wiper 754 BU Transmission Solenoid 2 (Fo Gauge - LH Air Pressure G-2 16 Solenoid - A/C Clutch E-11 91
122 BU Air Dryer 755 OR Transmission Solenoid 8 (Hig Gauge - RH Air Pressure G-2 17 Solenoid - Blade Cushion 1 H-5 92 142 CONN 53
124 GN HVAC 892 BR Cat Data Link - Gauge Cluster F-2 18 Solenoid - Blade Cushion 2 H-5 93 126 75
126 PK Battery + (Transmission Control) 893 GN Cat Data Link + Ground - Cab 1 (Lower Right Rear) H-9 19 Solenoid - Centershift Pin D-7 94 CONN 27
127 OR Park Brake 900 PU Transmission Solenoid 4 (2n
147
Ground - Cab 2 (Cab Front) C-6 20 Solenoid - Differential Lock I-15 95 25
129 BU Cigar Lighter 901 WH Transmission Solenoid 6 (1s Ground - Cab 3 (Upper Cab) C-3 21 Solenoid - Park Brake D-7 96 79 CONN 9 140
130 GN Stop Lamp Switch 902 BR Transmission Solenoid 5 (3rd Ground - Frame 1 (RH Side) H-12 22 Solenoid - Start Aid I-11 97
135 BU 12V Power Port 903 GY Transmission Solenoid 7 (Lo Ground - Frame 2 (RH Side Rear) H-12 23 Solenoid - Transmission 1 (Forward High) C-16 98 CONN 17
141 PK Front Defrost 921 WH Transmission Solenoid 8 (Hig Ground - Front Frame 1 (Articulation Joint) H-9 24 Solenoid - Transmission 2 (Forward Low) C-16 99 84 36
144
147
GN
PU
Beacon
Auxiliary Power Port
922
977
BR
YL
Transmission Solenoid 4/5/6
Autoshift Switch
Ground - Front Frame 2 (LH Side)
Ground - Front Frame 3 (RH Side)
I-9
D-9
25
26
Solenoid - Transmission 3 (Reverse)
Solenoid - Transmission 4 (2nd)
D-16
C-16
100
101
62
12K, 120K, 140K, and 160K
148
149
150
WH
PU
OR
Snow Wing Lamp
Blade Flood
Battery + (Engine)
994
995
A701
GY
BU
GY
Engine Oil Pressure Sensor
Engine Coolant Temperature
Cylinder #1 Injector +
Ground - Platform (Left Rear Cab)
Ground - Rear Frame 1 (Articulation Joint)
H-10
H-10
27
28
Solenoid - Transmission 5 (3rd)
Solenoid - Transmission 6 (1st)
C-16
C-16
102
103 82
96 51 Motor Grader
Ground - Rear Frame 2 (RH Side) H-11 29 Solenoid - Transmission 7 (Low Range) C-16 104
151
152
GN
BU
Rear Defrost
AccuGrade
A702
A703
PU
BR
Cylinder #2 Injector +
Cylinder #3 Injector +
Ground - Rear Frame 3 (LH Side)
Ground - Rear Frame 4 (LH Side)
I-14
I-14
30
31
Solenoid - Transmission 8 (High Range)
Speedometer
C-16
G-1
105
106
150
CONN 42
CONN 48 Electrical System
153 WH Start Aid A704 GN Cylinder #4 Injector + CONN 50
Ground Strap AS 1 I-10 32 Strap AS G-12 107
160 PU Heated Mirrors A705 BU Cylinder #5 Injector + Ground Strap AS 2 H-9 33 Switch - A/C High Pressure E-11 108
132 CONN 41 12K: 120K: 140K: 160K:
162 YL Load 2 A706 GY Cylinder #6 Injector + Ground Strap - Engine Control D-16 34 Switch - A/C Low Pressure E-11 109 94
165 YL Differential Lock A751 YL Fuel Temperature Sensor Ground Strap - Transmission Control E-12 35 Switch - Autoshift C-11 110
80 JJA1-3011 SZN1-1485 JPA1-3139 SZM1-489
CONN 46
169
170
PK
YL
Blade Cushion/Centershift Pin
Product Link/GPS
A755
A893
PK
OR
Throttle Speed Set Switch
Fuel Priming Pump to Fuel P
Horn - Forward Warning E-4 36 Switch - Beacon B-8 111
119 SZP1-359 JAP1-3119 JBP1-3159
Horn GP I-7 37 Switch - Blade Cushion B-11 112
173 YL Turn Signals/Hazards A982 BR Throttle Speed Set Switch Injector - Cylinder #1 H-14 38 Switch - Blower C-14 113
CONN 45
176 OR Communications Radio A983 BU Throttle Hold Mode Switch (M Injector - Cylinder #2 H-14 39 Switch - Brake Pedal Limit E-6 114
42 Page,
177 OR Main Breaker Output C912 GN Throttle Position Sensor Sign Injector - Cylinder #3 H-14 40 Switch - Centershift Indicator D-7 115
179 BU Entertainment Radio C967 BU Intake Manifold Air Temperature Injector - Cylinder #4 H-14 41 Switch - Centershift Pin B-11 116 92
Ground Circuits C975 WH Throttle Speed Set Switch (Auto) Injector - Cylinder #5 H-14 42 Switch - Differential Lock I-5 117
200 BK Main Chassis C977 BU Inching Pedal Limit Switch
81
Injector - Cylinder #6 H-14 43 Switch - Disconnect H-12 118
201 BK Speedometer/Tachometer C978 BR Throttle Speed Set Switch Lighter - Cigar A-13 44 Switch - Engine Coolant Temperature G-15 119
202 BK Battery - (Transmission Control) C979 OR Throttle Speed Set Switch (Resume) Meter - Service Hour J-6 45 Switch - Floodlamp I-5 120
205 BK Instrument Panel C987 RD Inlet Air Heater 74 127 115
Module - A/C Protection E-11 46 Switch - Front Defrost A-8 121
206 BK Battery 1 - to Disconnect Switch C991 PK Fuel Pressure Sensor Signal Module - Gauge Interface G-2 47 Switch - Front Lower Wiper 1 A-7 122 30
210 BK 24 to 12V Converter 2 E900 WH Transmission Output Speed Sensor 1 + Motor - Blower B-14 48 Switch - Front Lower Wiper 2 A-7 123 11
229 BK Front Frame Ground 4 E901 GN Transmission Output Speed Sensor 1 - Motor - Front Defrost Fan B-2 49 Switch - Front Upper Wiper 1 B-7 124 78
A287 BK Battery - (Engine Control) E902 PU Auxiliary Circuit Motor - Front Lower Washer I-10 50 Switch - Front Upper Wiper 2 B-7 125
CONN 23 93
Basic Machine Circuits E903 YL Auxiliary Circuit
CONN 5
Motor - Front Lower Wiper E-4 51 Switch - Fuel Pressure F-12 126
304 WH Cranking Relay Output E904 BR Auxiliary Circuit Motor - Front Upper Washer I-10 52 Switch - Ground Level Shutdown C-15 127 83 85 CONN 6
306 GN Cranking Relay E905 BU Auxiliary Circuit Motor - Front Upper Wiper D-3 53 Switch - Headlamp J-4 128
307 OR Key Switch Start E906 OR Transmission Output Speed Sensor 2 + Motor - Rear Defrost Fan C-9 54 Switch - Headlamp Dimmer J-4 129
308 YL Key Switch Run E907 GY Transmission Output Speed Sensor 2 - Motor - Rear Washer I-10 55 Switch - Heated Mirrors B-6 130 35 88
321 BR Backup Lamps E908 BR Transmission Input Speed Sensor + Motor - Rear Wiper C-9 56 Switch - Inching Pedal Limit E-6 131
322 GY Horn Relay E909 WH Transmission Input Speed Sensor -
118
Motor - Starting H-12 57 Switch - Intake Manifold Air Temperature G-15 132
331 OR Backup Alarm Relay E937 PU Transmission Shifter Redundant Neutral Port - 12V Power B-3 58 Switch - Key B-13 133 68
365
390
YL
YL
Fuel Priming Relay
Key Switch Input
E938
E939
OR
WH
Transmission Shifter First
Transmission Shifter Second
Pump - Fuel Priming
Relay - Backup Alarm
F-12
J-16
59
60
Switch - LH Brake System Pressure
Switch - Lightbar Lamp
E-7
J-4
134
135
22 A
A305 YL Horn Relay to Forward Warning Horn E940 BU Transmission Shifter Third Relay - Cranking F-12 61 Switch - Open ROPS Beacon C-13 136 31
Monitoring Circuits E941 YL Transmission Shifter Fourth Relay - Fuel Priming F-12 62 Switch - Park Brake Pressure E-9 137 © 2013 Caterpillar, All Rights Reserved Printed in U.S.A.
403 GN Alternator (R) Terminal E942 GN Transmission Shifter Fifth Relay - Horn J-7 63 Switch - Rear Defrost A-8 138
405 GY Low Engine Oil Pressure Lamp E943 BR Transmission Shifter Sixth
408
410
WH
WH
RH Brake System Pressure Switch
Action Alarm
E944
E945
GY
PU
Transmission Shifter Seventh
Transmission Shifter Eighth
Relay - Key Switch Enable
Relay - Main
B-13
G-12
64
65
Switch - Rear Wiper
Switch - RH Brake System Pressure
A-7
E-7
139
140
CONN 28
CAB PLATFORM HARNESSES