
1994 Caterpillar
All Rights Reserved
Printed in U.S.A.
KENR2579
March 1994
CB-634 Vibratory Compactor
CB-634:
5CL1-UP
Electrical System

INSTRUMENT HARNESS AS
104-4002
P7P6
447-PK
DIODE AS
105-3542
DOIDE AS
105-3542
SHIELD
B439-YL
200-BK
MAIN HARNESS AS
104-6910
C938-BR
55
5
5
5
4
4
4 4
4
33
3
3
3
2 2
2 2
2
111
1
1
3E52393E52393E52393E5239
175-PK
3E5239
2 SPEED
SWITCH
112-PU-6
200-BK
5
4
3
2
1
BRAKE RELAY #1
3E5239
5
B440-GN
4
3
2
1
BRAKE RELAY #2
3E5239
1
112-PU
608-GN
3
4
25
1
8V2514
3E-5239
103-4745
200-BK
87
30
87a
87
30
87a87a
376-GN
377-OR
30
8787
30
87a87a
30
87
SHIELD
155-PK
751-GN
9G0011
JOINT CUTTER
SWITCH
101-7740
C729-BU
C730-BR
751-GN
200-BK
309-GY
330-YL
155-PK
309-GY
308-YL
307-OR
109-OR-6
376-GN
377-OR
330-YL
308-YL
121-YL
447-PK447-PK
447-PK
308-YL
HEAD LAMP
HAZARD
TURN
GROUND
P3R3
R2 P2
R1
+BATTERY
P1
608-GN
SIG
+ -
C2
31
30B
49A
C
49
428-OR
400-GN
C938-BR
568-GN
C720-BU
2
3
87a
87a
87a
30
30
30
87
87a
30
87
C729-BU
C730-BR
330-YL
87
87
326-PU
308-YL
326-PU
308-YL
F
E
D
C
B
A
F
E
D
C
B
A
109-OR-6
MAIN
RELAY
112-PU-6
4
155-PK
155-PK
777-PU
B765-BR
419-YL
B765-BR
419-YL
200-BK
FUNCTIONAL
LIGHT
RELAY
HYD
TEMP
RELAY
WARNING
LIGHT
RELAY
COOLANT
TEMP
RELAY
ENG OIL
PRESS
RELAY
B438-OR
C922-BR
B438-OR
C935-PU
5
FLASHER
3T8728
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
3
2
1
6
4
2
5
3
1
2
3
4
5
2
1
3
12
4
1
5
3
4
1
5
3
BACKUP
ALARM
PRESS SW
6
4
3
1
5
2
AUTO-VIB
SWITCH
(REV.)
IGNITION
SW
INDICATOR LAMP
2N2371/2V7087
DRUM OFFSET
RECORDING MODULE
WATER SPRAY
BACKUP ALARM
FLASHER
VIBRATION
GUAGES
KEY START
105-BR
HOUR
METER
400-GN
C930-BR
200-BK
8D2676
P10
GROUND
SPEED
TACH
537-GN
TURN SW
UNUSED
6
WARNING
HORN
3T2357
419-YL
C928-GY
C929-WH
175-PK
608-GN
FUEL
GAUGE
NEUTRAL START
RELAY #2
3E5239
UNUSED
UNUSED
UNUSED
449-BU
B440-WH
176-YL
105-BR
200-BK
DIODE
1V9633
AUTO-VIB
SWITCH
(FWD.)
109-OR-6
LIGHT
BREAKER
103-YL
B440-WH
109-OR-6
C923-OR
C922-BR
110-GN
B438-OR
7T0969
568-GN
C938-BR
C930-BR
200-BK
306-GN
200-BK330-YL
307-OR
R4
173-YL
449-BU
103-YL
110-GN
121-YL
123-WH
155-PK
175-PK
176-YL
105-BR
406-PU
405-GY
635-BR
C932-YL
B438-OR
428-OR
C931-OR
400-GN
B440-GN
608-GN
123-WH
226-BK
221-BK
400-GN
614-PU
619-GN
611-PU
605-YL
606-GY
C925-GN
C924-YL
777-PU
C926-BU
C927-PU
306-GN
309-GY
220-BK
326-PU
326-PU
123-WH
608-GN
4W2141
3
R10
155-PK
C932-YL
1
2
3
4
5
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
406-PU
405-GY
635-BR
C932-YL
B438-OR
428-OR
C931-OR
400-GN
B440-WH
C930-BR
173-YL
449-BU
103-YL
110-GN
121-YL
123-WH
155-PK
175-PK
176-YL
105-BR
123-WH
200-BK
DRUM
OFFSET SW
9G0011
1V6652
308-YL
173-YL
635-BR
608-GN
611-PU
619-GN
614-PU
606-GY
605-YL
LIGHT SW
6P3236
1V6653
C927-PU
C926-BU
200-BK
C934-BU
5E8006
3E5239
1
2
3
1V6653
7R3695
1
2
3
4
5
6
-
+
C923-OR
B438-OR
C922-BR
110-GN
10A
10A
15A
10A
10A
10A
10A
10A
10A
6T7337
175-PK
176-YL
110-GN-14
121-YL
173-YL
103-YL
123-WH
FUNCTIONAL LIGHT
CLUSTER
868836
405-GY
428-OR
C931-OR
123-WH
406-PU
200-BK
200-BK
606-GY
605-YL
611-PU
619-GN
614-PU
608-GN
308-YL
635-BR
173-YL
307-OR
NEUTRAL
START
RELAY #1
751-GN
DRUM
SELECT
SW
109-OR-6
C932-YL
WATER
SPRAY
SWITCH
TIMER
3E5239
FRONT
INT
RELAY
C936-GY
C937-WH
114-GN-12
105-BR
200-BK
449-BU
176-YL
B440-WH
376-GN
121110
155-PK
175-PK
307-OR
9
2
2
308-YL
148-WH
C926-PU
B438-OR
C932-YL
635-BR
400-GN
406-PU
405-GY
C931-OR
428-OR
9G7641
C923-OR
109-OR
DIAGNOSTIC LIGHT
CLUSTER
868835
P8
DIODE
1V9633
405-GY
406-PU
C931-OR
428-OR
220-BK
123-WH
221-BK
C930-BR
226-BK
C938-BR
OR
GRN
BLU
BLK
RED
200-BK
87a
87a
30
30
87
87
PART OF VALVE GP
321-BR
121-YL
322-GY
AUT/MAN. SW
4D1836
C932-YL
103-YL
330-YL
RR INT
RELAY
NEUT. START
R9
P5
777-PU
4
-
21
BRAKE
SWITCH
C935-PU
C936-GY
109-OR-6
B440-WH
B439-YL
+
870541
868953
870548
155-PK
VIB ON/OFF
P4
ST
ON
OFF
B
S
C
R
871246
VIB.
TACH
5E8352
109-OR
C930-BR
200-BK
BRAKE
155-PK
B440-GN
105-BR
307-OR
308-YL
309-GY
WARNING
HORN SW
568-GN
406-PU
568-GN
405-GY
326-PU326-PU
3
20
C928-GY
C929-WH
C932-YL
322-GY
B439-WH
321-BR
306-GN
C927-PU
C926-BU
777-PU
C924-YL
C925-GN
109-OR-6
43521687
C927-PU
-+
SIG
-+
SIG
UNUSED
C925-GN
C924-YL
C934-BU
322-GY
321-BR
121-YL
307-OR
306-GN
103-YL
C925-GN
C924-YL
376-GN
376-GN
7
8
377-OR
405-GY
406-PU
C931-OR
428-OR
220-BK
123-WH
221-BK
C930-BR
226-BK
C938-BR
C922-BR
C923-OR
B440-WH
322-GY
C929-WH
C928-GY
31
32
33
34
35
36
37
38
39
40
B439-WH
321-BR
449-WH
326-PU
C924-YL
112-PU-6
R31
BK-00
CABLE AS
5Y-1423
109-5584
CABLE AS
RD-00
JUMP STUD
106-0800
INTERLOCK
OPTION
200-BK
200-BK
200-BK
1G-9759
B
A
P20
R20
P19
R19
21
221-BK
R21
C923-OR
B440-WH
608-GN
321-BR
449-WH
SHIELD
SHIELD
P18R18
200-BK
447-PK200-BK
R17
P17
1
2
608-GN
200-BK
START
GND
STOP
FUEL
SHUT-OFF
SOLENOID
7T7743
309-GY
200-BK-10
326-PU
T-
ENGINE COOLANT
TEMP SW
3E6451
221-BK
200-BK
ENGINE HARNESS 109-0090
ALT
R27P27
R26
ALTERNATOR
9W3043
P26
P15
WORKING LAMP GP
108-1621
WORKING LAMP GP
108-1621
R14
P14
P16
200-BK
608-GN
1
2
608-GN
200-BK
200-BK-10
P9
1
2
608-GN
200-BK
6
751-GN
2 SPEED
SWITCH
GND
FRAME
C929-WH
C928-GY
C730-BR
C729-BU
200-BK
R15
FRONT HARNESS
107-5948
FRONT
VIB SENSOR
4P5820
REAR
HARNESS
107-5949
P13R13
P25R25
P24
P12R12
P30
R30
P29
R29
21
2
1
C729-BU
C730-BR
751-GN
200-BK
155-PK
330-YL
330-YL
101-RD-6
200-BK
C729-BU
C730-BR
C928-GY
C929-WH
608-GN
322-GY
C929-WH
C922-BR
B439-WH
C729-BU
CABLE AS
3P-2181
CABLE AS
109-2249
BK-00
BK-00
C730-BR
C928-GY
R24
200-BK-12
C928-GY
C929-WH
608-GN
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
200-BK
322-GY
C924-YL
200-BK
200-BK
200-BK
608-GN
TO
FRAME
BATTERY
BATTERY
3T5760
3T5760
REAR SPEED
SENSOR
3E-8848
REAR
VIB. SENSOR
BACKUP ALARM
WARNING HORN
7T0969
WORKING LAMP GP
108-1621
200-BK
614-PU
619-GN
611-PU
605-YL
606-GY
200-BK-12
D-
TO
ENGINE
BLOCK
31
32
33
34
35
36
37
38
39
40
21
22
23
24
25
26
27
28
29
30
11
12
13
14
15
16
17
18
19
20
108-0326
614-PU
606-GY
200-BK
322-GY
GND
FRAME
BRAKE
P23
FRONT
WATER PUMP
108-0326
200-BK
611-PU
MOTOR
2
1
200-BK
C922-BR
605-YL
155-PK
447-PK
619-GN
64
200-BK
5
3
C922-BR
200-BK
326-PU
B439-WH
R5
WORKING LAMP GP
108-1621
R23
P22
2
NEUTRAL START
OPTION
ALT
BREAKER
9S0174
STARTER
RELAY
3E0075
606-GY
109-OR-6
101-RD-6
200-BK306-GN
304-WH-6
B439-WH
200-BK
B440-WH
R28
5432
200-BK
226-BK
REAR
WATER PUMP
4P5820
C923-OR
200-BK
200-BK
C923-OR
200-BK
449-WH449-WH
608-GN
B-
B+
449-WH
608-GN
321-BR
321-BR
321-BR
200-BK
C923-OR
VIB SELECTOR VALVE 103-6910
SOLENOID A
SOLENOID B
C923-OR
6
5
4
3
2
1 B440-WH
605-YL
611-PU
619-GN
614-PU
400-GN
221-BK
226-BK
C922-BR
C923-OR
B440-WH
322-GY
109-OR-6
B439-WH
321-BR
449-WH
220-BK
309-GY
608-GN
200-BK
B440-WH
608-GN
B439-WH
2
1
3T1815
C925-GN
200-BK
200-BK
200-BK
1
1
2
C926-BU
FUEL
SENDER
6T-3670
1
2
123-WH
608-GN
C925-GN
301-BU-10
VIB
CONTROL
304-WH-6
VIB
CONTROL
200-BK-10
C924-YL
200-BK
608-GN
2
1
XX
DISCONNECT SW
7N-0718
1
2
HYD.
TEMP SW
7N7851
STARTER
MOTOR
101-8929
- T
200-BK
C927-PU
R22
1 2 1 2
HOUR METER
PRESS SW
103-4977
400-GN
123-WH
NEGPOSNEGPOS
P21
5Y-1423
CABLE AS
200-BK
301-BU-10
RD-00
CABLE AS
108-0405
MOTOR
BATMTR
S
P31
306-GN
SHIELD
2
1
MOTOR
C927-PU
C926-BU
777-PU
777-PU
C924-YL
C925-GN
SHIELD
SHIELD
109-OR-6
ENGINE OIL
PRESS SW
3T4418
220-BK
BK-00
109-OR-6
CB
A
200-BK
1
C64600
P32 R32
P33 R33
P34 R34
P35
R35
P37R37
P36R36
P38
P39
P40
P41
R38R39R40R41
SHIELD
200-BK
C729-BU
C730-BR
C928-GY
1
2
3
5
C929-WH
4
2
1
3
4
605-YL
200-BK
200-BK
4
3
P28
R16
C929-WH
C928-GY
200-BK
200-BK
CIRCUIT GROUPING
DESIGNATION
ATCH WIRE, CABLE,
COMPONENT
CONNECTOR
INTERNAL ELECTRICAL
CONNECTION TO SURFACE
OF COMPONENT
ELECTRICAL CONNECTION
TO VEHICLE STRUCTURE
CIRCUIT NOT CONNECTED
CIRCUIT CONNECTED
BLADE, SPADE, RING
OR SCREW TERMINAL
DESCRIPTIONSYMBOL
RED
WHITE
ORANGE
YELLOW
PINK
BLACK
GRAY
PURPLE
BROWN
GREEN
BLUE
COLOR
RD
WH
OR
YL
PK
BK
GY
PU
BR
GN
BU
200-BK
200-BK
C729-BU
C730-BR
R.H. LIGHT GP
L.H. LIGHT GP
111-YL
110-GN
114-GN
200-BK
449-BU
176-YL
450-YL
1
2
3
4
5
6
RECORDER
D
C B
A
4512
3
1
2
3
4
5
6
7
88
7
6
5
4
3
2
11
2
3
4
5
2
1
614-PU
606-GY
611-PU
605-YL
619-GN
65
200-BK
449-BU
110-GN
63-WH
6
4
2
1
2
1
5E7912
200-BK
606-GY
614-PU
611-PU
619-GN
ROADING
LAMP
813432
ROADING
LAMP
813432
870803
870803
AMPLIFIER
FRONT
LIGHT GP
FRONT
LIGHT GP
200-BK
ROADING LIGHT HARNESS
200-BK
450-YL
110-GN
63-WH
REGULATOR
814135
200-BK
200-BK
200-BK
814433
5E7912
AMPLIFIER
114-GN
10A
7
88
7
6
5
4
3
2
1
2
2
2
3
R8
200-BK
606-GY
614-PU
200-BK
605-YL
614-PU
2
614-PU
606-GY
200-BK
614-PU
200-BK
605-YL
870811
DRUM OFFSET/
JOINT CUTTER
HARNESS
111
DRUM
OFFSET
VALVE
JOINT
CUTTER
VALVE
2
1
ABBREV
871268
1
2
3
1
2
3
619-GN
611-PU
614-PU
200-BK
1
C64592
109-009
