D8R TRACK-TYPE TRACTOR ELECTRICAL SCHEMATIC

SENR8332
November 1995
D8R Tractor
Electrical System
7XM1-UP
9EM1-UP
©
1995 Caterpillar
All Rights Reserved
Printed in U.S.A.
Machine
Location
Component
Schematic
Location
Machine
Location
Component
Schematic
Location
C Alarm - Action D-7 18 Sender - Hydraulic (Gauge) A-7
1 Alarm - Backup F-9 19 Sender - Powertrain Oil (Gauge) A-3
2 Alternator A-1 16 Solenoid - Air Conditioner Clutch A-2
3 Batteries - 12 Volt F-6 20 Solenoid - Diverter Valve E-8
E Breaker - Alternator (60A) E-8 12 Solenoid - Prelube Timer D-2
E Breaker - Blower Motor (20A) F-7 20 Solenoid - Ripper Pin Puller C-9
E Breaker - Remote Condenser (20A) F-7 21 Solenoid - Start Aid B-2
4 Bus Bar F-2 16 Suppressor - Arc A-2
5 Converter - Voltage F-5 16 Switch - A/C Refrigerant Pressure B-2
B Filter - Alternator B-5 C Switch - Backup Alarm D-7
E Fuses E-7,E-8 7 Switch - Blower D-6
B Gauge - Coolant Temp A-6 22 Switch - Coolant Temperature B-2
B Gauge - Fuel Level A-5 14 Switch - Disconnect F-5
B Gauge - Hydraulic Oil Temp B-5 23 Switch - Diverter Valve A-7
B Gauge - Powertrain Temp B-6 24 Switch - Engine Coolant Flow (EMS) B-2
6 Horn - Forward E-1 22 Switch - Engine Coolant Temperature (EMS) B-2
B Lamp - Action C-5 25 Switch - Engine Oil Pressure (EMS) B-2
D Lighter - Cigar B-7 B Switch - Flood Lamp C-5
B Meter - Service B-6 D Switch - Forward Horn A-7
B Monitor - Operator C-6 A Switch - Front Wiper B-7
7 Motor - Blower D-4,C-4 26 Switch - Fuel Pressure (EMS) B-2
7 Motor - Condenser B-9 18 Switch - Hydraulic Oil Temp (EMS) A-7
8 Motor - Front Wiper B-4 27 Switch - Hydraulic Oil Filter Press (EMS) A-9
9 Motor - Left Wiper F-5 27 Switch - Hydraulic Oil Filter Temp (EMS) A-9
10 Motor - Rear Wiper D-8 B Switch - Key Start D-5
11 Motor - Right Wiper A-6 A Switch - Left Wiper B-7
12 Motor - Starter (Prelube Atch) E-2 C Switch - Neutral/Start D-7
13 Motor - Washer Pump A-8 12 Switch - Oil Pressure (Atch) D-2
14 Outlet - Power B-7 B Switch - Operator Monitor Test C-5
A Radio A-5 27 Switch - Powertrain Oil Filter Press (EMS) A-8
15 Receptacle - Aux Start F-2 19 Switch - Powertrain Oil Temp (EMS) A-3
7 Relay B-9 27 Switch - Powertrain Oil Filter Temp (EMS) A-8
E Relay - Main F-8 A Switch - Rear Wiper B-8
E Relay - Start F-7 A Switch - Right Wiper B-8
7 Resistor - Blower Motor Speed C-4 D Switch - Ripper Pin Puller A-8
12 Resistor - Starter Diagnostic F-1 B Switch - Running Lamp C-5
16 Sender - Coolant Temperature (Gauge) A-2 B Switch - Start Aid C-5
17 Sender - Fuel (Gauge) B-9 7 Switch - Thermostat (A/C) E-6
COMPONENT LOCATION CHART
Connectors
Machine
Location
Harness And/Or Components
Schematic
Location
Connectors
Machine
Location
Harness And/Or Components
Schematic
Location
E
A - 6Y-4522
Diagnostic Connector
F-8 6 Contacts *
K - 120-6547
Prelube Timer/Solenoid
D-2
*
A - 6Y-4522
Operator Monitor (EMS)
C-6 D
A - 6Y-4522
E - 6Y-4523
A-7
B
A - 6Y-4522
B - 127-5121
E-4 B
A - 6Y-4522
M - 61-8611
A-5
B
A - 6Y-4522
UU - 129-6268
E-4 B
A - 6Y-4522
B - 127-5121
C-5
B
B - 127-5121
UU - 129-6268
E-5 4
A - 6Y-4522
H - 9N-4596
E-7
1
MM - 127-5120
NN - 9U-9463
C-7 B
A - 6Y-4522
N - 9W-1816
E-4
1
MM - 127-5120
NN - 9U-9463
C-8 B
A - 6Y-4522
MM - 127-5120
E-4
*
MM - 127-5120
Radio
A-5 *
A - 6Y-4522
Ripper Pin Puller Solenoid
C-9
2
A - 6Y-4522
C - 8E-0599
C-2 *
MM - 127-5120
Left Wiper Motor
E-5
2
A - 6Y-4522
C - 8E-0599
C-2 *
MM - 127-5120
Front Wiper Motor
B-4
3
A - 6Y -4522
A - 6Y-4522
F-4 *
MM - 127-5120
Right Wiper Motor
B-6
*
A - 6Y-4522
Voltage Converter
F-4 *
NN - 9U-9463
Rear Wiper Motor
D-8
7 Contacts
6 Contacts
5 Contacts
4 Contacts
HARNESS CONNECTOR LOCATION CHART
20 Contacts
9 Contacts
8 Contacts
Machine locations are repeated for components located close together.
A = Components located in operator's compartment.
B = Components located in dash.
C = Components located in operator's left console.
D = Components located in operator's right console.
E = Components located on relay panel.
Machine locations are repeated for connectors located close together.
* = Connector is located at the component.
B = Components located in dash
D = Components located in operator's right console
E = Components located on relay panel
A AA
2
A AA
1
2
325-PK-14
C
A
325-PK-14
200-BK-14
T
FUSE - A component in an electrical circuit that will open the circuit if too much current flows
through it.
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.
CIRCUIT BREAKER (C/B) - A component in an electrical circuit that will open the circuit if too
much current flows through it. This does not destroy the circuit breaker and it can be reset to
become part of the circuit again.
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 Electrical Schematic Symbols
Socket
Pin
Pin or Socket
Number
Wire, Cable, or Harness
Assembly Identification
Single Wire
Connector
Circuit Number
Identification
Wire
Gauge
Wire
Color
Plug
Receptacle
9X-1123
Component
Part Number
Electrical Schematic Symbols And Definitions
1
1
1
2
2
Typical representation of a
Sure-Seal connector. The
plugand receptacle contain
both pins and sockets.
Typical representation of a
Deutsch connector. The
plug contains all sockets
and the receptacle contains
all pins.
MAGNETIC LATCH SOLENOID - A magnetic latch solenoid is an electrical component that is
activated by electricity and held latch by a permanent magnet. It has two coils (latch and unlatch)
that make electromagnet when current flows through them. It also has an internal switch that places
the latch coil circuit open at the time the coil latches.
T
Normally open switch that will close with an increase of a specific condition (temp-press-etc.).
Normally open switch that is closed due to an applied condition, and will open again with a
specific decrease in that condition.
Normally closed switch that will open with an increase of a specific condition.
Normally closed switch that is open due to an applied condition, and will close again
with a specific decrease in that condition.
The circle indicates that the component has screw terminals and a wire can be disconnected
from it.
No circle indicates that the wire cannot be disconnected from the component.
This indicates that the component has a wire connected to it that is connected to ground.
This indicates that the component does not have a wire connected to ground. It is grounded
by being fastened to the machine.
Electrical Schematic Symbols And Definitions
Pressure
Symbol
Temperature
Symbol
Level
Symbol
Flow
Symbol
Part No. Function Actuate Deactuate
Normal
Condition
3E-2030 Engine Coolant Flow (EMS)
362 ± 29 mN
(1.3 ± 0.1 oz)
303 mN MIN
(1.1 oz MIN)
Normally
Open
3T-5825 Power Train Oil Temp (EMS)
129.4 ± 2.8°C
(265.0 ± 5.0°F)
118.3°C
(245.0°F)
Normally
Closed
6T-4949 Engine Oil Pressure (EMS)
93.0 ± 21.0 kPa
(13.5 ± 3.0 psi)
69.0 ± 21.0 kPa
(10.0 ± 3.0 psi)
Normally
Open
7N-9785 Engine Coolant Temp (EMS)
107.2 ± 2.8°C
(225.0 ± 5.0°F)
91.0°C MIN
(196.0°F MIN)
Normally
Closed
8C-3569 Hydraulic Oil Filter Temp (EMS)
37.8 ± 2.8°C
(100.0 ± 5.0°F)
26.7°C MIN
(81.0°F)
Normally
Closed
8N-1693 Engine Coolant Temp (St Aid)
37.8 ± 2.8°C
(100.0± 5.0°F)
26.7°C MIN
(80.0°F)
Normally
Closed
8N-2248 Hydraulic Oil Temp (EMS)
101.7 ± 2.8°C
(215.0 ± 5.0°F)
93.3°C MIN
(200.0°F MIN)
Normally
Closed
9G-3341 Power Train Oil Filter Temp (EMS)
51.7±2.8°C
(125.0± 5.0°F)
43.0°C MIN
(110.0°F MIN)
Normally
Closed
9W-3187 Fuel Pressure (EMS)
93.0 ± 21.0 kPa
(13.5 ± 3.0 psi)
69.0 ± 21.0 kPa
(10.0± 3.0 psi)
Normally
Closed
9X-7781
Hydraulic Oil Filter/
Power Train Filter Pressure (EMS)
210 ± 70 kPa
(30± 10 psi)
_
--
Normally
Open
105-9152 Oil Pressure (Atch)
30 ± 7 kPa
(4.3± 1.0 psi)
30± 7 kPa
(4.3 ± 1.0 psi)
Normally
Closed
114-5334 Refrigerant Pressure (AC)
275 to 1750 kPa¹
(40 to 255 psi)
_
--
Normally
Open ²
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.
OFF MACHINE SWITCH SPECIFICATIONS
Component
Part No.
Resistance (Ohms) ¹
Resistor - Blower Motor Speed 9G-1950 Overall 2.0 ± .1; Tap 1.0 ± .05
Resistor - Starter/Diagnostic 6T-2217 150.0± 7.5
Solenoid - Air Conditioner Clutch 102-0347 14.4± 0.6
Solenoid - Diverter Valve 127-0574 31.0 ± 3.0
Solenoid - Ripper Pin Puller 9G-9988 24.9
Solenoid - Start Aid 3E-6332 6
RESISTOR AND SOLENOID SPECIFICATIONS
Title Form No.
Alternator (100-5047):
Consist No.100-5045
Consist No.100-5046
SENR4130
SENR2082
Electronic Monitoring System (EMS) SENR2945
Starting And Charging Systems SENR2947
Starting Motor: (6V-0890)
Consist No. 6V-0890
SENR3860
RELATED ELECTRICAL SERVICE MANUALS
Wire
Number
Wire
Color
Description
Wire
Number
Wire
Color
Description
101 RD BAT 415 GN OPR MON TEST SW
102 BU HD LMP 424 GY OPR MON POWER TRAIN TEMP
105 BR KEY SW 426 BR OPR MON POWER TRAIN OIL FILTER
108 BU AUX CKT 441 OR ENG COOLANT TEMP GAGE
109 OR ALT OUTPUT (+) TERM. 442 GY HYD SYSTEM TEMP GAGE
112 PU MAIN POWER RELAY OUTPUT 443 YL POWER TRAIN TEMP GAGE
113 OR OPR MON PANEL VMIS B+ SWITCHED 449 BU SPDOM SENDER (SIGNAL NO.1)
114 GN WARNING HORN (FORWARD) 499 GY OPR MON IMPLEMENT OIL FILTER
116 BR AUX CKT A447 PK PRELUBE OIL PRESS
121 YL BACKUP ALARM TO LAMP
123 WH AUX CKT 500 BR WIPER - FRONT (PARK)
124 GN A/C 501 GN WIPER - FRONT (LO)
502 OR WIPER - FRONT (HI)
200 BK MAIN CHASSIS 503 BR WIPER - REAR (PARK)
201 BK OPR MON PANEL VMIS CMS 504 YL WIPER - REAR (LO)
203 BK CHASSIS DIAGNOSTIC 505 BU WIPER - REAR (HI)
207 BK STARTER DIAGNOSTIC 510 YL WASHER - PRIMER
513 OR A/C COMPRESSOR/REFRIGERANT PRESS. SW
301 BU STARTER NO.1 SOL 515 GY BLOWER MOTOR (HI)
302 OR STARTER NO.1 RESISTOR TO DIAGNOSTIC 516 GN BLOWER MOTOR (MEDIUM)
304 WH STARTER RELAY NO.1 OUTPUT 517 BU BLOWER MOTOR (LO)
306 GN STARTER RELAY COIL TO NEUT START SW OR KEY SW 521 YL A/C SW TO REFRIGERANT SW
307 OR
522 WH A/C CLUTCH TO THERMOSTAT SW
308 YL MAIN POWER RELAY COIL 523 BR WIPER - LEFT (PARK)
310 PU START AID SW TO START AID SOL 524 BU WIPER - LEFT (LO)
311 WH START AID SOL TO TEMP SW 525 GY WIPER. LEFT (HI)
321 BR BCKP ALARM LAMP TRAVEL ALARM 526 YL WIPER - RIGHT (PARK)
322 GY WARNING HORN (FORWARD) 527 GN WIPER. RIGHT (LO)
528 PK WIPER - RIGHT (HI)
403 GN ALTERNATOR (R)TERM. 600 BR DASH LAMP BASIC
404 YL OPR MON HYD OIL TEMP 608 GN FLOOD LAMP - REAR
405 GY OPR MON OIL PRESS. (LO SETTING) 609 YL FLOOD LAMP - SIDE
406 PU OPR MON COOLANT TEMP 610 OR HEAD LAMP BASIC
410 WH OPR MON FAULT ALARM 779 WH COUPLER ENGAGE SOL
411 PK OPR MON MASTER FAULT LAMP 780 PU COUPLER DISENGAGE SOL
412 BU OPR MON COOLANT FLOW 978 GN CST AUTOSHIFT - SLOW MODE SW 1
413 BR OPR MON FUEL PRESS. 987 WH DIVERTER SOL
WIRE DESCRIPTION CHART
Monitoring Circuits
Monitoring Circuits (cont'd)
Accessory Circuits
Power Distribution Circuits
Ground Circuits
Basic Machine Circuits
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
7
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
7
1
2
3
4
1
2
3
4
D39055
Machine Harness Connector And Component Locations
¹At room temperature.
N A
3
4
2
1
200-BK-14
522-WH-14
521-YL-14
124-GN-14
UU
K
337-WH
307-OR
116-BR
L7
BK-18
L10
L10
L11
L11
L8
L9
L20
L49
L1
L9
L9
L49
TO HARNESS
200-BK-14
HEAD
LAMP
106-8964
D
610-OR-14
2
L7
L7
L8
L8
L20
L20
C
200-BK
200-BK
200-BK-4
200-BK-14
200-BK-14
B
L2
124-GN-14
521-YL-14
522-WH-14
200-BK
200-BK-14
200-BK-12
200-BK-14
610-OR-14
610-OR-14
A
A
304-WH-8
301-BU
FF
R
609-YL-14
D
AA
610-OR-14
200-BK
A
1
2
BK-18
K
BK-18
101-RD-4
200-BK
101-RD-4
301-BU-4
OIL PRESS
SW
105-9152
K
200-BK
PRELUBE TIMER/SOL
125-6539
A447-PK
2
K
K
K
1
200-BK
RD-00
JJ
200-BK
129-BU
129-BU
A447-PK
200-BK-12
STARTER
6V-0890 STD
124-9780
ATCH PRELUBE
AUX START
RECEPTACLE
BK-00
200-BK-4
608-GN-14
609-YL-14
609-YL-14
HEAD
LAMP
106-8964
BUS BAR
9W-0742
HH
FF
EE JJ
R
LL
C
C
A
A
A
322-GY-14322-GY-14
200-BK-14 200-BK-14
109-RD-4
RD-00
RD-00
BK-00
2
1
RESISTOR
6T-2217
302-OR
301-BU
FRAME
200-BK
301-BU-4
101-RD-4
101-RD-4
301-BU-4
ENG
BLOCK
200-BK
207-BK
101-RD-4
BK-6
RD-00
G S
MTR BAT
MOTOR
109-RD-4
FORWARD
HORN
7T-0969
FORWARD
HORN
7T-0970
610-OR-14
3
2
1
610-OR-14
200-BK-14
322-GY
A
A
A
D
200-BK-14
109-RD-4
302-OR
101-RD-4
207-BK
304-WH-8
FLOOD
LAMP
112-9378
1
2
1
311-WH
310-PU
608-GN-14
609-YL-14
109-RD-4
101-RD-4
304-WH-8
207-BK
302-OR
410-WH-18
311-WH
310-PU
124-GN-14
201-BK-18
113-OR
114-RD
121-RD
201-BK-18
410-WH-18
123-WH
113-OR
321-BR
610-OR-14
522-WH-14
123-WH
114-RD
310-PU
610-OR-14
116-BR
K
337-WH
WH-18
K
307-OR
6
2
4
1
EE
521-YL-14
321-BR
200-BK
LL
121-RD
5
3
LL
LL
200-BK-14
200-BK-12
C
L34
L26
L26
L24
L24
L25
L25
L25
L46
L29
L29
L29
L28
L28
L28
L28
L28L28
L28
L23
L23
L36
L35
L40
L40
L40
L36
L36
L35
L35
L34
L30L30
L30
L31
L31
L31
L6
L6
L6L6
L6
L6
L13
L13
608-GN-14
200-BK-14
608-GN-14
200-BK-14
FLOOD LAMP
106-8964
FLOOD LAMP
107-6689
W
W
L34
B
A
POWER
OUTLET
102-9235
200-BK
RR
RR
RR
FLOOD LAMP
106-8964
FLOOD LAMP
106-8964
FLOOD LAMP
106-8964
200-BK-14
608-GN-14
200-BK-14
608-GN-14
S
FLOOD LAMP
106-8964
200-BK-14
608-GN-14
447-PK-18
200-BK-18
200-BK-14
521-YL-14
158-BR-14158-BR-14
521-YL-14
200-BK-14
SS
1
2
VV
200-BK
129-BU
L33
1
129-BU
200-BK
2
A
129-BU
VV
593-GN-14
2
1
593-GN-14
VV
200-BK-14
200-BK-14
RELAY
3E-5239
VV
VV
200-BK-14
VV
CONDENSOR
106-2721
WH/RD-14
BK-14
MOTOR
593-GN-14
593-GN-14
MOTOR
BK-14
WH/RD-14
CONDENSOR
106-2721VV
200-BK-14
8
3
3
4
5
1
2
447-PK-18
200-BK
608-GN-14
321-BR
121-RD
987-WH
779-WH
780-PU
T
-
+
P
CIGAR
LIGHTER
9W-0335
2
200-BK
NN
A
NN
NN
NN
NN
108-BU
510-YL-18
NN
NN
1
NN
200-BK-18
200-BK-18
200-BK-18
512-GN-18
511-BR-18
108-BU
502-OR-18
501-GN-18
500-BR-18
108-BU
592-BU-18
A513-PK-18
509-WH-18
508-PU-18
RIGHT
SPEAKER
6T-7695
511-BR-18
512-GN-18
1
1
BK-18
PK-18
2
1
FUEL
SENDER
118-0690
P
T
NN
780-PU
200-BK
200-BK
779-WH
2
A
3
4
1
510-YL-18
MM
Y
1
499-GY
201-BK
201-BK
108-BU
114-RD
114-RD
523-BR-18
526-YL-18
527-GN-18
528-PK-18
4
NN
114-RD
5
2
201-BK
6
E
L
L
L
512-GN-18
509-WH-18
511-BR-18
426-BR
E
E
P
509-WH-18
HYDRAULIC OIL
9X-7781
HYDRAULIC OIL
8C-3569
508-PU-18
BK
499-GY
499-GY
2
1
2
FRONT FACING
4
1
T
426-BR-18
201-BK-18
404-YL-18
A
DIVERTER
VALVE
SWITCH AS.
3E-0306
BK-18
114-RD
322-GY
6
2
E
AA
A
5
201-BK
201-BK
201-BK
E
E
T
T
2
1
1
2
BK
201-BK
426-BR
T
BK-18
T
T
499-GY
BK
200-BK
200-BK-12
7
2
201-BK
442-GY-18
426-BR
BK
201-BK
508-PU-18
HYDRAULIC
8N-2248
FORWARD
HORN SW
3T-2357
RIPPER
PIN PULLER
SOLENOID
9G-9988
GN-18
GN-18
BK-18
BK-18
OPERATOR STATION
OPERATOR STATION
WASHER
PUMP
7T-8891
PULLER SW
6T-6970
987-WH
780-PU
779-WH
114-RD
1
510-YL-18
510-YL-18510-YL-18510-YL-18
2
114-RD
3510-YL-18
108-BU
200-BK-14
MOTOR
510-YL-14
499-GY
L
Y
510-YL-14
QQ
8
525-GY-18
524-BU-18
523-BR-18
511-BR-18
512-GN-18
528-PK-18
527-GN-18
526-YL-18
108-BU
200-BK-18
NN NN
MMMM
200-BK
509-WH-18
508-PU-18
512-GN-18
511-BR-18
L33
503-BR-18
504-YL-18
505-BU-18
108-BU
REAR WIPER SW
3T-6655
RIGHT WIPER SW
3T-6655
B
WP
L
H
B
7
526-YL-18
527-GN-18
528-PK-18
200-BK
108-BU
B
WP
L
H
B
108-BU
LEFT WIPER SW
3T-6655
FRONT WIPER SW
3T-6655
108-BU
108-BU
B
WP
L
H
B
523-BR-18
524-BU-18
525-GY-18
500-BR-18
501-GN-18
502-OR-18
AE
B
WP
L
H
B
HYDRAULIC
SENDER
8N-3844
T
NOTE B
9X-7781
BK
T
426-BR
201-BK
404-YL
442-GY
A
A
608-GN-14
200-BK987-WH
322-GY
114-RD
442-GY-18
404-YL-18
201-BK-18
426-BR-18
200-BK
200-BK
200-BK
129-BU
L32
502-OR-18
501-GN-18
500-BR-18
BK
POWERTRAIN
9G-3341
321-BR
3
447-PK-18
121-RD
200-BK
21
200-BK-12
BK
BK
FILTER PRESS SW
FILTER TEMP SW
RIPPER PIN
OIL TEMP SW
POWERTRAIN
OIL FILTER
PRESS SW
OIL FILTER
TEMP SW
L6
BK-18
WH-18
BK-4
G
G
200-BK-14
158-BR-14
200-BK
200-BK
TO HARNESS
200-BK-14
1
2
200-BK
200-BK
521-YL-14
513-OR-14
521-YL-14
2
1
4
200-BK-14
5
7
4
1
3
2
200-BK-14
1
6
ANTENNA
8E-1118
2
3
BK-18
BK-18
1
6
7
5
L20
447-PK-18
200-BK
311-WH
310-PU
522-WH-14
521-YL-14
200-BK
200-BK-14
322-GY
311-WH
610-OR-14
609-YL-14
609-YL-14
201-BK
201-BK
311-WH
R
441-OR
403-GN
G
610-OR-14
D
C
C
C
C
C
L32 L32
L6
310-PU
609-YL-14
L6
L6
L6
L5
L5
L5
L4
L4
610-OR-14
C
322-GY
200-BK-14
610-OR-14
522-WH-14
200-BK
L4
3
412-BU-18
441-OR-18
403-GN-18
201-BK-18
405-GY-18
413-BR-18
129-BU
129-BU
L2
406-PU-18
201-BK-18
424-GY-18
443-YL-18
PP
2
L2
L3
L3
L3
L1
L1
200-BK-14
521-YL-14
522-WH-14
610-OR-14
608-GN-14
310-PU
311-WH
200-BK
3E-2030
447-PK-18
522-WH-14
521-YL-14
2
609-YL-14
C
406-PU-18
608-GN-14
1
200-BK-12
406-PU
F
F
F
C
C
C
C
LL
D
C
2
1
BK-18
BK-18
L1
2
1
201-BK
NOTE A
114-5334
609-YL-14
9W-3187
START AID
SOLENOID
3E-6332
FLOOD
LAMP
112-9378
201-BK
BK-18
BK-18
SENDER
6N-5926
AIR
CONDITIONER
102-0347
G
ALTERNATOR 100-5047
ATCH 3E-7577
BK-6
HEAD
LAMP
106-8964
C
C
C
C
RA
A
A
2
3
7N-9785
8N-1693
6T-4949
1
HEAD
LAMP
106-8964
200-BK-12
121-RD
321-BR
114-RD
123-WH
113-OR
201-BK-18
410-WH-18
123-WH
113-OR
201-BK-18
410-WH-18
412-BU-18
441-OR-18
403-GN-18
201-BK-18
405-GY-18
413-BR-18
404-YL-18
442-GY-18
201-BK-18
499-GY
201-BK-18
443-YL-18
424-GY-18
F
A
POWERTRAIN
3T-5825
POWERTRAIN
OIL SENDER
8N-3844
201-BK
424-GY
443-YL
T
T
499-GY
426-BR-18
404-YL-18
442-GY-18
121-RD
321-BR
114-RD
322-GY
2
1
200-BK
1
2
311-WH
310-PU
521-YL-14
201-BK
1
201-BK
405-GY
201-BK
413-BR
311-WH
310-PU
522-WH-14
521-YL-14
311-WH
200-BK
PU-18
WH-18
2
ARC SUPRESSOR
3E-9169
T
412-BU
441-OR
403-GN
406-PU
426-BR-18
201-BK-18
2
1
413-BR
405-GY
201-BK
403-GN
441-OR
412-BU
413-BR
405-GY
406-PU
406-PU
201-BK
T
201-BK
412-BU
441-OR
403-GN
200-BK-14
412-BU
201-BK
610-OR-14
109-RD-4109-RD-4
D
T
GN-14
GN-14
ALT
+
R
FLOW SW
FUEL
PRESSURE
SWITCH
A/C REFRIGERANT
PRESSURE SWITCH
ENGINE
COOLANT
ENGINE COOLANT
TEMPERATURE SW
COOLANT
TEMPERATURE SW
ENGINE
OIL PRESS
SWITCH
COOLANT
TEMPERATURE
CLUTCH SOL
OIL TEMP SW
L37
L38L38
L39
L39
L38
L37
L39
L38
L41
L41
L41
L42
L42
L42
L42
L43
L44
L34
L36
L36
L35
L35
L40
L33
L27
L27
L27
L27
L27
L22
L24
L26L26
L46
200-BK-14
608-GN-14
L37
608-GN-14
200-BK-14
608-GN-14
200-BK-14
FLOOD LAMP
107-6689
FLOOD LAMP
106-8964
W
W
1
2
608-GN-14608-GN-14
109-RD-4
109-RD-4
MM
FLOOD LAMP
106-8964
S
RR
RR
RR
FLOOD LAMP
106-8964
FLOOD LAMP
106-8964
FLOOD LAMP
106-8964
200-BK-14
608-GN-14
200-BK-14
608-GN-14
RR
FOR ATCH FLOOD
LAMPS REPLACE
HARNESS S
WITH HARNESS RR
OR HARNESS W
200-BK-14
200-BK-14
608-GN-14 608-GN-14
200-BK-14 200-BK-14
W
FRONT FACING FLOODS
112-PU-14
112-PU-14 158-BR-14
20A
REMOTE CONDENSER
BREAKER 3T-8728
SS
200-BK
GN
GN
SPARE20A
307-OR
306-GN
200-BK
321-BR
321-BR
307-OR
306-GN
4
+
-
A
S
A
321-BR
121-RD
2
1200-BK-18
447-PK-18
200-BK
121-RD
321-BR
987-WH
987-WH
NN
QQ
3
200-BK
200-BK
308-YL
109-RD-4
1
2
108-BU
200-BK-18
102-RD-18
3
2
1
BK-18
RD-18
WH-18
2
108-BU108-BU
200-BK
447-PK-18
780-PU
200-BK
1
200-BK
200-BK
1
2
200-BK
307-OR
306-GN
BK-18
108-BU
108-BU
509-WH-18
508-PU-18
X
X
A
201-BK
987-WH
2
1987-WH
200-BK
101-RD
306-GN
112-PU-14
A
112-PU
AA
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
AA
AA
KK
KK
DOME LAMP
8C-9678
U
200-BK
BACK UP
ALARM SW
9N-1750
H
H
DIVERTER
VALVE SOL
127-0574
1
2
509-WH-18
508-PU-18
108-BU
108-BU
112-PU
112-PU
112-PU
112-PU
200-BK
109-RD
OPERATOR STATION
SIDE & REAR FLOOD LAMPS
RIPPER
FLOOD
LAMP
107-6689
BLOWER MOTOR
BREAKER
3T-8728
20A
DIAGNOSTIC CONNECTOR
15A
FUSE
NOTE C
REAR
WIPER
9X-3392
A
2
1
2
1BK/PK-14
BK-14
LEFT
SPEAKER
6T-7695
505-BU-18
503-BR-18
108-BU
504-YL-18
NN
GN
GY
BR
OR
4
2
3
1
H
L
MOTOR
T
RELAY PANEL
NN
3
2
A
201-BK-18
410-WH-18
ALARM
9G-9813
BK
RD
ALT
BREAKER
9S-0173
109-RD-4
101-RD-4
BK-18
FUSE HOLDER
4K-5122
FRONT
DASH
DOME
FUSE
3K-8782 STD
8M-8948 ATCH
KEY
FUSE
3K-8782
306-GN
105-RD
304-WH-8
124-GN-14
200-BK
112-PU-14
304-WH
109-RD-4
200-BK
108-BU
123-WH
113-OR
116-BR
121-RD
114-RD
WIPER MOTORS
GAGES & SERVICE METER
OPERATOR MONITOR
BACK-UP ALARM
FORWARD HORN
109-RD
10A
10A
15A
10A
10A
112-PU
112-PU
112-PU
112-PU
109-RD
109-RD
101-RD-4
304-WH
207-BK
302-OR
310-PU
311-WH
203-BK
308-YL
112-PU
9
1
13
14
15
16
17
5
6
18
19
20
4
7
2
10
11
3
8
12
109-RD-4
102-RD10A
60A
101-RD-4
101-RD
10A
105-RD
101-RD
101-RD
109-RD
BACKUP ALARM
3T-1815
AKK
121-RD
321-BR
BK
U
A
200-BK-14
608-GN-14 2
1200-BK
608-GN-14
779-WH
780-PU
779-WH
200-BK-14
608-GN-14
200-BK-14
608-GN-14
200-BK-12
608-GN-14
121-RD
321-BR
200-BK-18
200-BK-14
308-YL
200-BK-14
102-RD
112-PU
112-PU
1 200-BK
NEUTRAL/
START SW
9N-1750
H
102-RD
200-BK-14
200-BK
H
102-RD
105-RD
START
RELAY
118-3534
129-BU
RADIO
CIGAR LIGHTER15A
A
108-BU
A513-PK-18
592-BU-18
102-RD-18
A
116-BR
H A
U
608-GN-14
MAIN RELAY
3T-0376
A
A
A
A
TT
TT
ACTION
L42
L43
L43
L44
L44
L46
L46
L18
L49
L49
L15
L15
L17
L17
L16L16
L16
L21
L21
L21
L19
L19 L19
L45
L45
L45
L22
L22
L22
L20
L20
L20
L49
L12
L12
L12
L10
L11
L11
L11
201-BK
592-BU-18
A513-PK-18
200-BK
200-BK
116-BR
102-RD
6
5
4
3
2
1
A
200-BK-14
200-BK-4
200-BK
200-BK-12
158-BR-14
6
SS
8
1
2
3
4
5
7
9
6
8
1
2
3
4
5
109-RD-4
7
9
START
AID SW
3T-3453
B
B
B
HARNESS B AND HARNESS A.
UU
UU
609-YL-14
310-PU
608-GN-14
517-BU-14
516-GN-14
515-GY-14
515-GY-14
521-YL-14
124-GN-14
610-OR-14
308-YL
200-BK
200-BK
105-RD
102-RD
116-BR116-BR
GROUND
+12 V SWITCHED OUT
+12 V MEMORY OUT
GROUND
RED
BLK
BLU
GRN
OR
521-YL-14
102-RD
102-RD
102-RD
3
4
24V TO 12V
CONVERTER
119-1733
NOTE D
9
7
5
5
4
+24 V SWITCHED IN
+24 V BATTERY IN
6
5
203-BK
200-BK-14
200-BK
105-RD
124-GN-14
310-PU
311-WH
203-BK
302-OR
207-BK
304-WH-8
101-RD-4
109-RD-4
8
410-WH-18
201-BK-18
321-BR
307-OR114-RD
129-BU
108-BU
108-BU
A513-PK-18
6
4
3
200-BK-18
525-GY-18
523-BR-18
524-BU-18
108-BU
121-RD
BK-00
RD-00
200-BK-14
114-RD
116-BR
307-OR
337-WH
MM
200-BK-18
BK
Z
Z
NEGPOSNEGPOS
NN
12V BATTERY
3T-5760
12V BATTERY
3T-5760
12V BATTERY
3T-5760
12V BATTERY
3T-5760
A
CC
CCAA
BK-00
BB
B
BB
B B
116-BR
3
521-YL-14
2
1
337-WH307-OR
200-BK
200-BK
N
N
N
N
N
BLOWER SW
6P-3236
308-YL
N
2
308-YL
200-BK-14
A
A
116-BR
123-WH
1
105-RD
102-RD
121-RD
102-RD
A
200-BK-14
A
200-BK-14
2
101-RD-4
1
A
NOTE: PLUG REQUIRED ONLY
WITH 24V RADIOS. REMOVE
PLUG AND INSTALL CONVERTER
FOR 12V RADIOS.
A
A
200-BK
A
200-BK
OPERATOR STATION
307-OR
307-OR
307-OR
307-OR
OPERATOR STATION
200-BK
TO GAGE
PANEL
MOUNTING
BOLT
LEFT
WIPER
7X-6112
THERMOSTAT
SW
3E-5465
515-GY-14
RD-00
BASE
7G-9730
PANEL
LAMP
7N-9967
BLOWER
9G-8697
515-GY-14
515-GY-14
515-GY-14
515-GY-14
609-YL-14
608-GN-14
608-GN-14
609-YL-14
KEY START
SW
9G-7641
200-BK
129-BU
MM
N
B A
A
308-YL
MM
GN
GY
BR
OR
4
2
3
1
H
L
MOTOR
T
200-BK-14
113-OR
DD
FRAME
BK-00
CC
DISCONNECT SW
7N-0718
BK-00
BB
AA
BK-00
RD-00
NEGPOSNEGPOS
123-WH
108-BU
321-BR
201-BK-18
410-WH-18
304-WH-8
207-BK
302-OR
203-BK
311-WH
310-PU
124-GN-14
108-BU
525-GY-18
524-BU-18
523-BR-18
200-BK-14
522-WH-14
T
124-GN-14
521-YL-14
517-BU-14
516-GN-14
515-GY-14
200-BK-14
522-WH-14
200-BK-14
200-BK-14
517-BU-14
516-GN-14
516-GN-14
517-BU-14
515-GY-14
200-BK-14
600-BR
200-BK
308-YL
105-RD
ST
ON
OFF
B
S
C
R
105-RD
308-YL
310-PU
116-BR-14
102-RD-14
610-OR-14
200-BK-14
522-WH-14
521-YL-14
124-GN-14
200-BK
4
1
3
2
MODULE
200-BK-14
200-BK-14
592-BU-18
102-RD-18
A513-PK-18
108-BU
102-RD-14
310-PU
308-YL
610-OR-14
105-RD
116-BR
102-RD
102-RD
592-BU-18
200-BK
201-BK
116-BR-14
105-RD
116-BR
610-OR-14
308-YL
116-BR
310-PU
SS
113-OR
608-GN-14
609-YL-14
307-OR
L32
L32
L32
L23
L23
L13
L13 L13
L13
L48
L48
L48
L48
L48
L14L14
L14
L18
L18
L18
L15
L49
L17
BK-18
BR-18
GR-18
GR-18 403-GN-18
123-WH
200-BKGROUND
+BATTERY
SIGNAL
123-WH
BR-18
BK-18
A
ALTERNATOR
FILTER
100-5052
201-BK 403-GN-18
201-BK403-GN-18
SERVICE
METER
108-8357
+
S
403-GN-18
200-BK-18
200-BK-18
512-GN-18
511-BR-18
108-BU
502-OR-18
501-GN-18
500-BR-18
108-BU
592-BU-18
A513-PK-18
509-WH-18
508-PU-18
200-BK-18
200-BK-18
200-BK-18
108-BU
108-BU
LH SPEAKER (-)
LH SPEAKER (+)
GROUND
1
RH SPEAKER (+)
RH SPEAKER (-)
ANTENNA
2
4
5
6
3
+24 VOLT
509-WH-18
WH/BK, GN/BK-18
7
RD-18
508-PU-18
WH/GN-18
A513-PK-18
592-BU-18
BK-18
GY/BK, VI/BK-18
GY/VI-18
200-BK-18
512-GN-18
511-BR-18
511-BR-18
512-GN-18
200-BK-18
GY/VI-18
GY/BK, VI/BK-18
BK-18
592-BU-18
RD-18
YL-18
A513-PK-18
WH/GN-18
508-PU-18
WH/BK, GN/BK-18
509-WH-18
8
7
3
6
5
4
2
ANTENNA
RH SPEAKER (-)
RH SPEAKER (+)
447-PK-18 5
3
2
1
4
1
200-BK-18
200-BK-18
443-YL-18
200-BK
GROUND
+12 VOLT
+12 VOLT MEMORY
610-OR-14
123-WH-18
123-WH-18
200-BK-18
610-OR-18
200-BK-18
MM
MM
415-GN-18
B
B
LH SPEAKER (+)
LH SPEAKER (-)
B
B
HYD FILTER
B
B
B
B
116-BR-14
B
B
102-RD-14
102-RD-14
B
B
442-GY-18
411-PK-18
123-WH-18
123-WH-18
GAGE
MTG BOLT
Q
Q
B
B
M
M
M
M
M
M
M
MM
BK
200-BK-18
24 VOLT RADIO
NOTE D
200-BK-18
BK
M
Q
M
610-OR-18
123-WH-18
443-YL-18
200-BK-18
441-OR-18
442-GY-18
123-WH-18
442-GY-18
441-OR-18
443-YL-18
447-PK-18
443-YL-18
MM
200-BK-18
GRD
MM
PP
L15
L15
516-GN-14
200-BK
515-GY-14
2
1
3
200-BK
ROOF
200-BK-18
200-BK-14
515-GY-14
517-BU-14
200-BK-14
201-BK-18
201-BK-18
201-BK-18
PWR TN FLTR
16
19
20
GROUND
HYD TEMP
PWR TN TEMP
COOL TEMP
FUEL PR
ALTERNATOR
ENG OIL PR
COOL FLOW
+BATTERY
ALARM
LAMP
TEST
17
14
2
9
8
4
7
6
13
5
3
18
12
10
1
11
15
LAMP
7N-1996
BASE
3T-0304
OPERATOR STATION
OPERATOR STATION
BA
2
3
4
1 200-BK
201-BK
411-PK
415-GN
201-BK
426-BR-18
116-BR-14
201-BK-18
499-GY
201-BK-18
RIGHT
WIPER
7X-1751
SEND
HYDRAULIC OIL
TEMP
4W-1129
610-OR
610-OR-18
BASE
7G-9730
PANEL
LAMP
7N-9967
RUNNING
LAMP SW
7N-8005
FLOOD
LAMP SW
3T-1730
608-GN-14
609-YL-14
BLOWER
9G-8693
Q
B
N
M A
A
IGN
610-OR-18
LAMP
7X-2058
M
RESISTOR
9G-1950
OR
BR
GY
GN
3
1
4
2
H
L
MOTOR
T
MM
FRONT
WIPER
9X-3392
GN
GY
BR
OR
4
2
3
1
H
L
MOTOR
T
2
1
MOTOR
8
LAMP
7X-2058
LAMP
7X-2058
LAMP
7X-2058
5
4
2 1
200-BK
OPERATOR
MONITOR
3T-9100
WH/RD-14 515-GY-14
200-BK-14
BK-14
517-BU-14
516-GN-14
515-GY-14
201-BK-18
OPERATOR
MONITOR
7N8001
411-PK
201-BK
415-GN
116-BR-14
403-GN-18
N
N
123-WH
447-PK-18
442-GY-18
441-OR-18
499-GY
201-BK-18
404-YL-18
424-GY-18
201-BK-18
410-WH-18
113-OR
201-BK-18
406-PU-18
413-BR-18
405-GY-18
201-BK-18
412-BU-18
610-OR-14
102-RD-14
600-BR
201-BK-18
201-BK
200-BK
600-BR
411-PK-18
415-GN-18
200-BK
201-BK-18
201-BK-18
201-BK-18
404-YL-18
424-GY-18
406-PU-18
413-BR-18
405-GY-18
403-GN-18
412-BU-18
113-OR
410-WH-18
411-PK-18
415-GN-18
MM
526-YL-18
527-GN-18
528-PK-18
108-BU
201-BK-18
M
M
Q
443-YL-18
441-OR-18
442-GY-18
123-WH
200-BK-18
COOLANT
TEMP
4W-0483
POWER TRAIN
TEMP
4W-0485
123-WH-18
123-WH-18
610-OR-18
610-OR-18
200-BK-18
M
610-OR-18
610-OR-18
FUEL LEVEL
9X-3496
443-YL-18
441-OR-18
123-WH-18
IGN
SEND
GRD
IGN
SEND
GRD
IGN
SEND
GRD
12 VOLT RADIO
NOTE D
500-BR-18
501-GN-18
502-OR-18
108-BU
201-BK-18
201-BK-18
201-BK-18
426-BR-18
-
447-PK-18
ACTION
TEST SW
ATCH
ATCH
ATCH
ATCH
ATCH
ATCH
ATCH
ATCH
ATCH
ATCH
120-6547
NOTE E: BOTH ARE ATTACHMENT HARNESSES. 1Q-2996 IS FOR
TWO FLOODS IN FENDER, AND TWO ON ROPS STRUCTURE.
126-9200 IS FOR BOTH FLOODS ON ROPS STRUCTURE.
NOTE EE-900126-9200W
01
123-8329
ATCHB-1/E-11Q-3275D
B-9
ATCHB-900VV
00117-8314SS
E-9
D-9QQ
00 B-86Y-1200Y
R A-2/F-2
8E-1631
01
00
E-98E-4863
T 3T-1480 A-8
03
01
A-96Y-9377P
KK 9G-6259 E-9
02
D 1Q-3237 B-1/E-1
02
00
00
01
00
00
03
00
01
07
00
01
01
00
01
01
03
00
02
01
00
03
D-2
07
00
16
NOTE
CHG
X
C-6041Q-3512A ATCH
STD
ATCH
STD
THIS DIAGRAM IS FOR THE D8R TRACTOR (105-9792 CHG 00)
WITH SEPARATE IMPLEMENT & STEERING PUMPS.
AND XMSN SHIFTER IN NEUTRAL
9N-4596
4D-6565G
E-2
9W-1816
E-7H
02
NOTE B: NORMALLY OPEN BEFORE INSTALLATION
6I-9412HH
9W-2531FF
F-2
F-2
2V-6166
EE
6T-9661
DD
8E-5908CC
F-5
F-5
F-63P-2179BB
F-68E-5907AA
CABLE AS.
E-29F-4337JJ
B-46I-8609Q
WIRE AS.
D-16Y-2510LL
B-79U-9463NN
B-7127-5120MM
E-98E-3560U
E-9
116-6774
S
D-4N
A-56I-8611M
B-86Y-4207L
A-39W-9873F
A-76Y-4523E
03
1Q-3121
C-28E-0599C
C-5127-5121B
C-66Y-4522A
HARNESS AS.
LOCPART NO.
IDENT
COMPONENTS ARE SHOWN INSTALLED ON A FULLY
OPERABLE MACHINE WITH THE KEY AND ENGINE OFF
UNLESS OTHERWISE SPECIFIED: ALL WIRE IS 16 GAGE
NOTE A: NORMALLY OPEN BEFORE REFRIGERANT CHARGE
CIRCUIT GROUPING
DESIGNATION
#L
ATCH WIRE, CABLE,
COMPONENT
CIRCUIT NOT CONNECTED
CIRCUIT CONNECTED
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
ATCHA-1011Q-2807G
ATCHE-300129-6268UU
ATCHF-7
016I-8612
A-1
00
RR
110-2982
K
F-6Z
A-3019U-8746PP
NOTE D: 24 TO 12 VOLT CONVERTER NOT REQUIRED
WITH 24 VOLT RADIO
RADIO OPTIONS
12 VOLT RADIOS 24 VOLT RADIOS
3E-7140 FIXED U.S. 9X-6810 FIXED U.S.
3E-7141 REMOVEABLE U.S. 9X-6778 REMOVEABLE U.S.
3E-6107 FIXED EUROPE 3E-7890 FIXED EUROPE
3E-6106 REMOVEABLE EUROPE 9X-5288 REMOVEABLE EUROPE
TT
8E-5909
00
NOTE C: FUSES 10A - 3K-8782, 15A - 8M-8948,
20A - 8M-0456
D39000
9 8 7
F
E
D
9 8 7
C
B
A
6
5
4 3 2
1
F
E
D
6
5
4
3 2
1
C
B
A
2
1
MOTOR
WH/RD-14
BK-14
ALL DASHED LINES ARE ATTACHMENTS.
WIRES THAT HAVE BATTERY VOLTAGE
WHEN THE KEY SWITCH IS OFF.
WIRES THAT HAVE BATTERY VOLTAGE
WHEN THE KEY SWITCH IS ON.
STARTING CIRCUIT.
GUAGE CIRCUIT.
EMS CIRCUIT.
PANEL LAMP CIRCUIT.
WIPER/WASHER CIRCUIT.
HEATER AND AIR CONDITIONER CIRCUIT.
GROUND CIRCUIT.
START AID CIRCUIT.
MAY BE 107-6689 OR
9X-7164 DEPENDING ON
LIGHTING ARRANGEMENT
FLOODS MAY BE
107-6689 OR
9X-7164 DEPENDING
ON LIGHTING
ARRANGEMENT
WIRES BACK
TIE UNUSED
TIE UNUSED
WIRES BACK