SENR4731
January 1990
824C Tractor & 825C Compactor
Electrical System
85X1194-UP
86X731-UP
Component Location
Component
Schematic
Location
Machine
Location
Component
Schematic
Location
Machine
Location
Alarm - Backup
G-12 1
Solenoid - Start Aid
C-10 18
Alarm - Fault (EMS)
B-4 A
Switch - Aux Flood Lamp
D-7 A
Alternator
B-12 2
Switch - Backup Alarm
D-10 19
Battery
A-12 3
Switch - Blower Speed
F-7 B
Battery
E-12 4
Switch - Brake Air Press (EMS)
E-2 20
Breaker - Alternator (60 Amp)
F-11 C
Switch - Brake Oil (EMS) (825C)
E-2 21
Breaker - Blower (15 Amp)
B-5 5
Switch - Brake Oil Front (EMS) (824C)
F-2 21
Breaker - Engine Shutdown (15 Amp)
F-11 C
Switch - Brake Oil Rear (EMS) (824C)
F-2 21
Breaker - Running Lamp (15 Amp)
F-11 C
Switch - Disconnect
A-12 10
Control - Engine Shutdown
F-12 6
Switch - Engine Coolant Temp (EMS)
C-12 22
Gauge - Engine Coolant Temp
D-4 A
Switch - Engine Coolant Temp (Start Aid)
C-11 23
Gauge - Hydraulic Temp
D-5 A
Switch - Engine Oil Press (EMS)
D-12 24
Gauge - Powertrain Temp
D-5 A
Switch - Engine Oil Press (Service Meter)
D-12 24
Lamp - Master Fault (EMS)
C-5 A
Switch - Front Wiper
D-8 A
Meter - Service
D-6 A
Switch - Fuel Press (EMS)
B-12 25
Monitor - Operator (EMS)
D-7 A
Switch - Heater/AC Selector
F-7 B
Motor - Blower (LH)
E-9 7
Switch - Hydraulic Temp (EMS)
B-2 14
Motor - Blower (RH)
C-9 8
Switch - Key
C-6 A
Motor - Front Washer
E-8 D
Switch - Operator Monitor (EMS) Test
D-9 A
Motor - Front Wiper
E-4 D
Switch - Parking Brake Press (EMS)
D-2 20
Motor - Rear Washer
E-8 D
Switch - Power Train Temp (EMS)
D-11 24
Motor - Rear Wiper
E-7 D
Switch - Powertrain Filter Press (EMS)
B-2 26
Motor - Starter
B-11 9
Switch - Powertrain Filter Temp (EMS)
B-3 26
Receptacle - Aux Start
A-11 10
Switch - Primary Steering Flow (EMS)
A-10 27
Relay - Main
F-11 C
Switch - Rear Flood Lamp
D-7 A
Relay - Start
F-10 C
Switch - Rear Wiper
C-8 A
Resistor - Blower Speed
D-9 11
Switch - Refrigerant Press (AC)
A-6 8
Resistor - Starter/Diagnostic Conn
B-11 12
Switch - Running Lamp
C-7 A
Sender - Engine Coolant Temp (Gauge)
C-11 13
Switch - Start Aid
D-6 A
Sender - Hydraulic Temp (Gauge)
B-2 14
Switch - Stop Lamp Press
F-2 21
Sender - Power Train Temp (Gauge)
D-11 15
Switch - Thermostat
F-7 B
Solenoid - AC Clutch
C-12 16
Switch - Transmission Neutral
D-9 19
Solenoid - Engine Shutdown
C-11 17
A = Components in operator compartment - Right console. C = Components on relay panel.
B = Components In operator compartment - Left console. D = Components in operator compartment.
Connector Location
Connector
Machine
Location
Harness And/Or
Components
Schematic
Location
Connector
Machine
Location
Harness And/Or
Components
Schematic
Location
37 CONTACTS
H - 6W4239
B - 6W7320
B-9
B - 6W7320
F - 6W7417
D-4
H - 6W4239
UU - 6W5176
D-11
B - 6W7320
K - 6W8243
A-7
3
H - 6W4239
ZZ - 6W5177
F-10
H - 6W4239
Q - 6W5078
F-2
*
B - 6W7320
Operator Monitor (EMS)
D-7
B - 6W7320
E - 6W7415
D-4
3
ZZ - 6W5177
Diagnostic Connector
E-11
H - 6W4239
M - 6W5209
E-12
12 CONTACTS
H - 6W4239
B - 6W7320
B-9 *
B - 6W7320
Front Wiper Motor
E-4
A - 6W7363
B - 6W7320
B-8
B - 6W7320
Not Used
B-4
A - 6W7363
B - 6W7320
B-8
E - 6W7415
Rear Wiper Motor
E-7
9 CONTACTS
A - 6W7363
B - 6W7320
B-7
G - 6W5079
H - 6W4239
E-3
8 CONTACTS
B - 6W7320
C - 6W7411
B-6
H - 6W4239
L - 6W8227
D-9
A - 6W7363
C - 6W7411
C-6
H - 6W4239
Not Used
F-10
5
G - 6W5079
H - 6W4239
F-2
*
H - 6W4239
Engine Shutdown Control
F-12
J - 6W8226
K - 6W8243
F-8
Vehicle locations are repeated for connectors located close together.
* = Connector is located at the component.
6 CONTACTS
5 CONTACTS
4 CONTACTS
25 CONTACTS
20 CONTACTS
10 CONTACTS
7 CONTACTS
Off Machine Switch Specification
Part No. Function Actuate Deactuate Contact Position
2M9346 Stop Lamp (Pressure)
45kPaMAX
(6.5 psi MAX)
5kPaMIN
(0.5 psi MIN)
NO.
3T9343 Power Train Filter Pressure (EMS)
MAX HYD 3l03kPa
MAX BYPASS SPOOL
FORCE 66.7 N
MAX ACT 8.9 N
N.O.
7N9560 Power Train Oil Temperature (EMS)
129.4 ± 2.8°C
(265 ± 5°F)
118.3°C MIN
(245°F MIN)
N.C.
7N9785 Engine Coolant Temperature (EMS)
107.2 ± 2.8°C
(225 ± 5°F)
91 .0°C MIN
(196°F MIN)
NC.
7T2078 Primary Steering Flow (EMS)
11 I/mm MAX
(25.4 mm ID line)
4.9 1/mm MIN
(25.4 mm ID line)
NO.
7T0988
Engine Oil Pressure (EMS)
Engine Oil Pressure (S. Meter)
62 ± 21 kPa
(9.0 ± 3.0 psi)
38 ± 21 kPa
(5.0 ± 3.0 psi)
NO.
8N1693 Engine Coolant Temperature (Start Aid)
37.8 ± 2.8°C
(100 ± 5°F)
26.7°C MIN
(80°F MIN)
N.C.
8N2248 Hydraulic Oil Temperature (EMS)
101.7 ± 2.8°C
(215 ± 5°F)
93.3°C MIN
(200°F MIN)
NC.
9G3341 Power Train Filter Temperature (EMS)
51.7 ± 2.8°C
(125 ± 5°F)
43.0°C MIN
(110°F MIN)
N.C.
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)
NO.
9W3187 Fuel Pressure (EMS)
93 ± 21 kPa
(13.5 ± 3.0 psi)
69 ± 21 kPa
(10.0 ± 3.0 psi)
N.C.
NO. — Normally Open.
N.C. — Normally Closed.
Wire Description
Wire
Number
Wire
Color
Description
Wire
Number
Wire
Color
Description
Power Circuits
Monitoring Circuits (Continued)
101 RD
BATTERY
411 PK
OPR MON MASTER FAULT LAMP
102 BU
HEAD LAMP
413 BR
OPR MON FUEL PRESS.
105 BR
KEY SW
415 GN
OPR MON TEST SW
107 WH
ENG SHUT-DOWN/AUTO FIRE SUPPR CO NT
416 OR
SUPPL STER SW
109 OR
ALTERNATOR OUTPUT (+) TERM.
417 GY
PRIMARY STER SW
112 PU
MAIN POWER RELAY OUTPUT
419 YL
OPR MON PARKING BRAKE
113 OR
OPR MON PANEL/VMIS B+ SWITCHED
424 GY
OPR MON POWER TRAIN TEMP
116 BR
AUX CKT
426 BR
OPR MON POWER TRAIN OIL FILTER
118 GY
AUX CKT
432 PK
OPR MON BRAKE PRESS. (OIL)
119 PK
AUX CKT
433 BU
OPR MON BRAKE PRESS. (OIL) JUMPER
121 YL
BACKUP ALARM/LAMP
441 OR
ENG COOLANT TEMP GAGE
123 WH
AUX CKT
442 GY
HYD SYSTEM TEMP GAGE
124 GN
A/C
443 YL
POWER TRAIN TEMP GAG
127 OR
AUX CKT
453 PK
SUPPL STER FAULT LAM
128 PK
AUX CKT
Accessory Circuits
129 BU
AUX CKT
500 BR
WIPER - FRONT (PARK)
136 GN
SUPPL STER
501 GN
WIPER - FRONT (LO)
148 WH
AUX CKT
502 OR
WIPER - FRONT (HI)
158 BR
AUX CKT
503 BR
WIPER - REAR (PARK)
Ground Circuits
504 YL
WIPER - REAR (LO)
200 BK
MAIN CHASSIS
505 BU
WIPER - REAR (HI)
201 BK
OPR MON PANEL/VMIS/CMS
506 PU
WASHER-FRONT
203 BK
CHASSIS DIAGNOSTIC
507 WH
WASHER-REAR
207 BK
STARTER DIAGNOSTIC
513 OR
A/C COMPRESSOR/REFRIGERANT PRESS. SW
Basic Machine Circuits
514 PU
A/C CONDENSER MOTOR
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 STAR.T SW
OR KEY SW
521 YL A/C SW TO REFRIGERANT SW
308 YL
MAIN POWER RELAY COIL
522 WH
A/C CLUTCH TO THERMOSTAT SW
310 PU
START AID SW TO START AID SOL
567 WH
A/C SW JUMPER
311 WH
START AID SOL TO TEMP SW
Lighting Circuits
321 BR
BACKUP ALARM/LAMP/TRAVEL ALARM
603 PK
ROTARY BEACON
326 PU
KEY SW "C" TERM.
604 OR
STOP LAMP
327 PK
SHUTDOWN SOL
607 PK
FLOOD LAMP. FRONT
Monitoring Circuits
608 GN
FLOOD LAMP- REAR
400 GN
SERVICE METER SW
614 PU
PARK/TAIL/DASH LAMP
403 GN
ALTERNATOR (R) TERM.
615 YL
CAB FLOOD LAMP/ROPS
404 YL OPR MON HYD OIL TEMP 617 BR
TAIL/POSITION LAMP- LEFT
(ROAD PKG)/WIDTH
405 GY OPR MON OIL PRESS. (LO SETTING) 618 YL
TAIL/POSITION LAMP- RIGHT
(ROAD PKG)/WIDTH
406 PU
OPR MON COOLANT TEMP
621 GY
FLOOD LAMP INDICATOR LAMP
408 WH
OPR MON BRAKE PRESS. (AIR)
Control Circuits
409 OR
OPR MON NEUT
761 GY
LIFT KICKOUT SOL SW
410 WH
OPR MON FAULT ALARM
762 YL
BUCKET POSITIONER SOL SW
A
3
4
5
6
8
9
10
11
12
14
15
13
16
B
C
D
1
2
17
18
19
20
21
22
23
24
25
26
27
7
7
2
3
4
5
6
1
8
9
10
A
3
1
5
6
8
9
10
11
12
14
15
13
16
B
C
D
4
2
17
18
19
20
21
22
23
24
25
26
27
7
1
2
3
4
5
6
7
8
9
10
Vehicle Harness Connector and Component Locations
1
2
3
3
1
4
4
4
4
4
5
7
4
8
9
7
7
8
10
3
6
*
©
1990 Caterpillar
All Rights Reserved
Printed in U.S.A.
ENGINE
SHUTDOWN
CONTROL
9G9287
1
2
3
4
5
6
7
OFF
OFF (KEY)
RESET
ENG SOL
GROUND
+ BATTERY
RD-18
BK-18
RR
BU-18
YL-18
WH-18
OR-18
UU
ENGINE
SHUTDOWN
SOLENOID
6T4122
4N5092
2W8714
ATCH
STDB-12
B-12WW
WW
C-112W0104RR
9V8633
9W2489
3S8624
9V8634
9V8632
6W7415
6W7417
B-56W7388W
9C0168
E-2
B-5
6W5088
6W8227
6W8243
6W8226
D-4
D-4
6W7416
6W7411
6W7320
6W7363
D-11XX 6W5211
6W5178
9F4337
9G6259
6W5086
6W5085
THIS SCHEMATIC IS FOR THE 824C WHEEL DOZER AND
THE 825C COMPACTOR (7T7117 CHG 00 )
NOTE A: NORMALLY OPEN BEFORE REFRIGERANT CHARGE
F-10
B-12
C-12
D-1
D-1
TT
SS
QQ
MM
LL
6W5177
6W5210
6W5176
6W5208
6W5078
6W5209
6W4239
6W5079
E-10
B-12
D-11
ZZ
VV
UU
GG A-3
C-9
D-12
D-9
E-8
E-8
B-9
E-3
C-5
B-6
B-8
B-8
CABLE AS.
A-12
D-2
E-12
A-12
A-12
A-12
FF
DD
CC
BB
AA
WIRE AS.
S
Q
P
N
M
L
K
J
H
G
F
E
D
C
B
A
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
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
C
B
A
F
E
D
C
B
A
D
E
F
NC
COM
BACKUP
ALARM SW
9N1750
BULB
STOP-7H2976
TAIL-2D1959
LAMP
7M7147
BULB
1M5898
UU
L5
311-WH
ZZ
200-BK-14
400-GN
L38
L39
105-BR
6
23
2
SHUTDOWN
BREAKER
6N8589
101-RD-14
15A
200-BK
H
20
19
18
17
16
15
14
13
101-RD-10
HZZ
HTT
102-BU-14
200-BK-14
107-WH-14
105-BR
203-BK
207-BK
302-OR
311-WH
310-PU
105-BR
308-YL
306-GN
304-WH
200-BK
112-PU-6
4
5
6
14
12
19
20
1
9
3
17
16
24
23
22
21
18
15
11
8
10
2
7
13
2
1
4
3
H
L26
13
7
20
19
1
4
25
5
3
11
9
22
18
21
15
10
14
12
17
16
8
2
24
UU
H
1
XX
200-BK
200-BK 5
3
1
2
4
M
H
201-BK
ENGINE
OIL SW
7T0988
ENGINE
OIL SW
7T0988
201-BK
201-BK
400-GN
405-GY
L28
L22
200-BK
327-PK-14
107-WH-14
L26
L5
321-BR
200-BK-8
POWER
TRAIN
SENDER
6N5926
POWER
TRAIN SW
7N9560
12V BATTERY
9G4247 STD
9G2648 ATCH
310-PU
112-PU-6
102-BU-14
109-OR-8
4
L6
L6
3
7
2
11
10
6
8
12
9
1
5
RELAY PANEL
RELAY PANEL
RELAY PANEL
L23
ALTERNATOR
BREAKER
9S0173
KEY
FUSE
3K8782
START
RELAY
9F3099
MAIN
RELAY
3T0376
10A
15A
60A
L4
L6
L5
L21
L20
L24
L23
L24
L20
L21
F
FF
522-WH-14
513-OR-14
105-BR
761-GY
762-YL
RD-00
BK-00
NEGPOS
327-PK-14
443-YL
424-GY
-T-T
201-BK
400-GN
424-GY
405-GY
406-PU
403-GN
413-B
R
443-YL
441-OR
311-WH
311-WH
327-PK-14
207-BK
302-OR
203-BK
304-WH-8
101-RD-6
109-OR-6
200-BK-14
107-WH-14
DIAGNOSTIC CONNECTOR
304-WH
306-GN
308-YL
112-PU
109-OR
101-RD
101-RD-6
109-OR-6
200-BK-14
109-OR-6
109-OR-6
304-WH-8
105-BR
101-RD
105-BR
RUNNING LAMP
BREAKER
3T2662
306-GN
326-PU
FLOOD
LAMP
1M1882
604-OR-14
321-BR
608-GN
614-PU-14
604-OR-14
T
S
WW
201-BK
H
2
1
START AID
SOLENOID
9G4365
310-PU
311-WH
BK-18
BK-18
BULB
STOP-7H2976
TAIL-2D1959
LAMP
7M7147
BULB
1M5898
NN
FUEL SW
9W3187
112-PU-6
102-BU-14
310-PU
AIR
CONDITIONER
CLUTCH
SOLENOID
7N4296
L39
L38L38
L39
L21
200-BK-14
109-OR-6
327-PK-14
201-BK
M
200-BK-14
200-BK
321-BR
2
1
2
1
UUVV
513-OR-14
522-WH-14
MQQ
200-BK-14
SS
L22
L28
L20
L28
L28
201-BK
W/O
PRIMARY
STER SW
USE
WIRE AS. AAA
AAA
BK
1
2
607-PK-14
432-PK
442-GY
426-BR
404-YL
128-PK
419-YL
408-WH
201-BK
PRIMARY
STER SW
(NOTE B)
7T2078
BK
BK
H
417-GY
201-BK
1
2
12V BATTERY
9G4247 STD
9G2648 ATCH
BK-6
201-BK
200-BK-8
200-BK-8
TO
ENGINE
TO
FRAME
201-BK
BK-00
400-GN
L24
L23
L21
L20
E
L6
L5
522-WH-14
513-OR-14
DD
CC
BBAA
413-BR
403-GN
AUX START
RECEPTACLE
DISCONNECT SW
7N0718
ALTERNATOR
5S9088 STD
6N9294 ATCH
STARTER
6N1889
RESISTOR
6T2217
COOLANT
SENDER
6N5926
COOLANT SW
8N1693
COOLANT SW
7N9785
441-OR
311-WH
311-WH
201-BK
406-PU
200-BK-14
207-BK
302-OR
304-WH-8
101-RD-6
203-BK
201-BK
306-GN
326-PU
614-PU-14
608-GN
327-PK-14
203-BK
BK-00
BK-00
BK-6
109-OR-6
403-GN
413-BR
201-BK
RD-00
RD-00
BK-00
207-BK
2
1
301-BU
302-OR
BK-00
NEGPOS
FLOOD
LAMP
1M1882
608-GN
614-PU-14
604-OR-14
2
1
BK-14
BK/PK-14
BACKUP
ALARM
3T1815
T
S
2
1 327-PK-14
200-BK-14
-T-T-T
ALT
+
R
G S
MTR BAT
MOTOR
NC
H
L22
4
3
1
2
L
COM
XMSN
NEUTRAL SW
9N1750
201-BK
409-OR
121-YL
321-BR
201-BK
201-BK
200-BK-14
CIGAR
LIGHTER
9W0335
129-BU
L32
6
5
3
2
4
7
1
614-PU
FRONT
WASHER
7T8891
REAR
WASHER
7T8891
B
E
L35
L4
321-BR
200-BK
604-OR-14
L28
L28L28
201-BK
201-BK
ENG OIL LO
PRIM. STER
BK OIL PR
BK AIR PR
PWR TN FLTR
PWR TN TEMP
COOL TEMP
NEUTRAL
+ BATTERY
GROUND
ALTERNATOR
HYD TEMP
ALARM
LAMP
FUEL PR
TEST
PARK BK
11
20
19
18
17
16
15
14
13
12
10
9
8
7
6
5
4
3
2
1
201-BK
201-BK
201-BK
102-BU-14
415-GN
JK
E
BLOWER SW
7T3946
4
5
21
505-BU
119-PK
504-YLGN
GY
BR
OR
4
2
3
1
H
L
MOTOR
-T
L
M
H
SELECTOR SW
7N8005
124-GN-14
567-WH-14
404-YL
RESISTOR
9G1950
6
5
3
2
2 3
516-GN-14
521-YL-14
1
3
4
6
2
5
148-BR-14
THERMOSTAT SW
6T9395
-T
521-YL-14
516-GN-14
417-GY
L10
L11
L11
L25
L25
L18
L17
L16
D
D
105-BR
105-BR
409-OR
426-BR
REAR
WIPER
6T6216
OPERATOR
MONITOR
TEST SW
7N8001
OPERATOR
MONITOR
3T9200
AUX
FLOOD
LAMP SW
3T4405
REAR
FLOOD
LAMP SW
7N8000
DOME
LAMP
6T4864
BLOWER
9G8694
124-GN-14
522-WH-14
517-BU-14
200-BK200-BK
506-PU
507-WH
200-BK-14
200-BK-14
522-WH-14
517-BU-14
515-GY-14
124-GN-14
515-GY-14
515-GY-14
2
1
515-GY-14
200-BK-14
515-GY-14
WH/RD/14
BK-14
503-BR
105-BR
105-BR
OPERATOR STATION
FRONT
WIPER SW
3T6655
2
1
201-BK
118-GY
502-OR
501-GN
500-BR
506-PU
200-BK-14
MOTOR
MOTOR
MOTOR
B
W P
L
H
B
PANEL
LAMP
7N9967
PANEL
LAMP
7N9967
200-BK200-BK
614-PU
614-PU
113-OR
410-WH
411-PK
403-GN
405-GY
406-PU
424-GY
432-PK
413-BR
408-WH
419-YL
201-BK
415-GN
127-OR
127-OR
102-BU-14
614-PU
614-PU-14
3
1
2
514-PU-14
H
S
607-PK-14
615-YL
L16
200-BK-14
514-PU-14
129-BU
10
10
5
5
5
4
4
4
3
3
3
2
2
2
1
1
1
7
7
7
6
6
6
9
9
9
8
8
8
2
5
6
3
4
1
306-GN
L37
L36 L36
E
B
A
BB
AA
B
B
H
H
BK
4
7
5
8
17
33
200-BK-14
5
4
2 1
200-BK-8
L22
521-YL-14
L11
18
15
16
19
20
35
10
6
4
25
27
5
28
29
36
1
8
31
32
30
11
34
9
37
2
23
22
21
3
24
26
7
12
14
13
426-BR
L30
L29
L30
L29
L15
L15
L18
L11
L11
L10
L10
L13
L17
L17
L16
L16
L19
L19
L10
L13
L12
L12
L12
L11
L10
L20
L21
L23
L24
L12
L17
L19
L16
L13
112-PU-6
1
12
2
3
6
9
10
11
505-BU
504-YL
503-BR
RUNNING
LAMP SW
7N8005
DOME
LAMP
6T4864
REAR
WIPER SW
3T6655
BLOWER
9G8695
BK-14
WH/RD-14
416-OR
417-GY
128-PK
607-PK-14
121-YL
409-OR
419-YL
408-WH
404-YL
614-PU-14
615-YL
442-GY
441-OR
443-YL
522-WH-14
513-OR-14
424-GY
405-GY
413-BR
406-PU
403-GN
432-PK
608-GN
102-BU-14
400-GN
326-PU
105-BR
306-GN
308-YL
310-PU
112-PU-6
128-PK
618-YL
617-BR
121-YL
621-GY
603-PK
118-GY
119-PK
119-PK
507-WH
502-OR
501-GN
118-GY
500-BR
119-PK
505-BU
504-YL
503-BR
603-PK
615-YL
607-PK-14
608-GN
102-BU-14
326-PU
105-BR
308-YL
310-PU
400-GN
614-PU-14
507-WH
506-PU
614-PU-14
200-BK
105-
BR
201-BK
415-GN
105-BR
158-BR-14
513-OR-14
522-WH-14
124-GN-14
507-WH
506-PU
OPERATOR STATION
102-BU-14
102-BU-14
614-PU-14
614-PU-14
603-PK
615-YL
608-GN
607-PK-14
MOTOR
B
W P
L
H
B
L32
L28
615-YL
3
3
4
4
5
5
1
1
2
2
6
SERVICE
METER
6T7337
-+
L35
123-WH
FRONT
WIPER
6T6216
B
502-OR
118-GY
501-GN
GN
GY
BR
OR
4
2
3
1
H
L
MOTOR
-T
L4
B
F
B
E
LAMP
5D0019
LAMP
5D0019
LAMP
5D0019
OPERATOR STATION
L29
L25
L25
IGN
SEND
GRD
IGN
SEND
GRD
IGN
SEND
GRD
505-BU
START
AID SW
3T3453
308-YL
310-PU
127-OR
116-BR
400-GN
105-BR
119-PK
504-YL
503-BR
123-WH
200-BK-14
441-OR
443-YL
442-GY
614-PU-14
614-PU-14
442-GY
443-YL
614-PU-14
200-BK-14
614-PU-14
123-WH
200-BK-14
441-OR
200-BK-14
614-PU-14
123-WH
HYDRAULIC
TEMP GAGE
4W0484
POWERTRAIN
TEMP GAGE
4W0485
COOLANT
TEMP GAGE
4W0483
500-BR
STRIP
6W7390
FUSE
3K8782
FUSE
HOLDER
4K5122
P
200-BK-14 200-BK-14
201-BK
3
2
1
3
2
1
1
2
4
6
3
5
7
2
6
4
7
8
3
5
1
136-GN
123-WH
113-OR
136-GN
123-WH
2
1
2
1
112-PU-14
306-GN
KICKOUTS
BACKUP ALARM
617-BR
618-YL
121-YL
128-PK
129-BU
113-OR
136-GN
123-WH
BLOWER
BREAKER
6N8589
112-PU-14
LEFT TAIL LAMP
RIGHT TAIL LAMP
614-PU-14
10A
10A
B
112-PU-10
112-PU-10
10A
10A
10A
10A
10A
CIGAR LIGHTER
OPERATOR MONITOR
AUX FLOOD LAMPS
FRONT WIPER
SUPPL STER
REAR FLOOD LAMPS
REAR WIPER
10A
10A
10A
10A
10A
SERVICE METER
GAGES
15A
124-GN-14
158-BR-14
B
2
1
113-OR
L37
L15
C
416-OR
B
B
105-BR
105-BR
K
116-BR
123-WH
614-PU-14
123-WH
119-PK
118-GY
127-OR
A
B
C
B
BD
1
2
411-PK
201-BK
B
B
PLATFORM
GROUND
201-BK
521-YL-14
L19
521-YL-14
614-PU-14614-PU-14
200-BK-8
453-PK
201-BK
521-YL-14
3
2
1
4
112-PU-6
L30
L30L30
L29
L29
L29
L29
L18
L18
L19L19
L13
W
113-OR 113-OR
416-OR
FAULT
ALARM
9G9813
KEY SW
9G7641
105-BR
105-BR
326-PU
308-YL
310-PU
400-GN
200-BK
614-PU-14
136-GN
2
1RD
BK
410-WH
201-BK
REFRIGERANT SW
(NOTE A)
9D6888
513-OR-14
200-BK-14
514-PU-14
514-PU-14
158-BR-14
200-BK-14
200-BK-14
200-BK
201-BK
201-BK
410-WH
113-OR
411-PK
MASTER
FAULT
LAMP
7N1996
201-BK
411-PK
453-PK
136-GN
136-GN
A-106W8944AAA
200-BK-14
614-PU-14
ST
ON
OFF
B
S
C
R
201-BK
OPERATOR STATION
BULB
6N7987
BULB
1M5898
L28
L32
L4
201-BK
102-BU-14
201-BK
201-BK
615-YL
L33
L34
442-GY
404-YL
426-BR
604-OR-14
128-PK
607-PK-14
419-YL
408-WH
432-PK
L4
L34
L33
L35
L33
GH
Q
H
614-PU-14
604-OR-14
761-GY
105-BR
762-YL
607-PK-14
5
6
7
3
2
1
4
604-OR-14
102-BU-14
419-YL
432-PK
201-BK
408-WH
6
5
4
3
2
1
LL
2
1
G
H
2
1
4
3
442-GY
404-YL
201-BK
426-BR
BRAKE
OIL SW
7V5647
BRAKE
OIL SW
7V5647
432-PK
433-BU
201-BK
FLOOD
LAMP
2S4783
607-PK-14
BRAKE
AIR SW
9G8009
STOP
LAMP SW
2M9346
408-WH
201-BK
PARKING
BRAKE SW
9G8009
419-YL
201-BK
AUX
CAB
FLOOD
LAMP
3T4983
OPERATOR STATION
615-YL
BULB
6N7987
BULB
1M5898
POWERTRAIN
FILTER SW
3T9343
GG
404-YL
201-BK
201-BK
426-BR
2
1
426-BR
201-BK
404-YL
442-GY
621-GY
MM
416-OR
25
2
1
200-BK-14
200-BK-14
200-BK-14
FLOOD
LAMP
2S4783
200-BK-14
200-BK
HYDRAULIC
SENDER
8N3844
HYDRAULIC SW
8N2248
POWERTRAIN SW
9G3341
200-BK
200-BK-14
200-BK
442-GY
426-BR
201-BK
201-BK
426-BR
-T -T
200-BK-14
200-BK-14
-T
NOTE C
NOTE B
BRAKE
OIL SW
3V7928
432-PK
S
S
GG
TO
DOZER
FRAME
TO ENGINE
END FRAME
N
607-PK-14
200-BK-14
NOTE B: FOR 824C ONLY
C-16W5087JJ
F-126W6826RR
607-PK-14
FLOOD
LAMP
2S4783
BULB
1M5898
JJ
604-OR-14
102-BU-14
607-PK-14
2
1
N
G
N
MM
LL
201-BK
1
2
607-PK-14
607-PK-14
607-PK-14
FLOOD
LAMP
2S4783
BULB
1M5898
607-PK-14
128-PK
6W7410
G
432-PK
AUX
CAB
FLOOD
LAMP
3T4983
NO
615-YL
NO
AND XMSN SHIFTER IN NEUTRAL
NOTE C: FOR 825C ONLY
A-112G1830NN
1
3 2
6 5 4
9 8 7
12 10
11
1
23
456
789
10
11
12
D31882
