3512B MARINE AUXILIARY ENGINE ELECTRICAL SYSTEM

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
2
13
7
RR
14
8
CPR
7
8
IR
L1
B-
L2
B+
PS
STPR
1
3
17
5
5
5
6
OSS
2
78
MPU
CTR
WHITE
BLACK
4
4
2
3
5
11
10
12
2
CB1
1
25A
RR
11
TRR
2
2
6
7
1
ENGINE RUNNING
1
102
101
1
3
5
5
9
STSR
RR
13
120V UPS POWER
CUSTOMER PROVIDED
-+
115-5163
1
1
POWER DISTRIBUTION BOX
ESR
TO TB-43
LSM
LINK
B+
B-
CAT DATA
IR
4
6
38
39
6
2
46
45
44
42
43
41
40
ESR
21
29
30
20
33
32
31
34
3
19
ENGINE 40 PIN
CUSTOMER CONTECTOR
5-11
5-10
30
31
1-1
6-19
TO TB-15
7-9
5-9
5-8
32
33
35
36
34
49
48
47
51
50
69
70
ENGINE WIRING
FACTORY WIRING
CUSTOMER WIRING
14
22
1
2
8
6.8k
7
KEY
TIME
DELAY
FUEL
PRESSURE
SWITCH
NOTE A:
ESPB
NOTE A
6-12
6-11
7-10
6-14
6-15
6-16
6-13
37
53
52
55
56
57
54
8-6
8-5
8-4
59
58
60
62
64
63
67
65
66
61
K-4ECC9
K-4ECC10
68
TO EMERGENCY STOP PUSHBUTTON
ADD ADDITIONAL 111-1323 CONTACT BLOCK
19
20
21
40 PIN CUSTOMER CONNECTOR TERMINAL POINT
CONTROL PANEL WIRING
SEMS PANEL TERMINAL POINT
CONTROL PANEL TERMINAL POINT
TO CPR-A
20
22
8
7
STPR
9
8
TRR
7
2
10
RR
S17
LOW LUBE
OIL LEVEL
ENGINE
RUNNING
(RUN=OPEN)
TROUBLE
RELAY
RESET
RELAY
STOP
5-13
6-17
6-18
6-21
TP TB-33
4
45
S12
12
45
46
46
13
15
(-)
16
47
14
5
1
S11
8
7
L2
8
ESR
STSR
CTR
11
10
S13
B
A
B
A
MT6
MT5
LUBE OIL FILTER
DIFFERENTIAL PRESS.
SUPPLY PRESSURE
ENGINE LUBE OIL
W
R
W
W
R
B
A
MT8
RTD-2
RTD-3
AIR PRESSURE
TURBO DISCHARGE
(LOW=CLOSED)
W
5-2
7-1
5-4
5-7
7-2
5-3
7-2
5-6
17
(-)
11
S16
20
1
S16
S16
(+)
L1
7
(+)
5
7
19
OSS
RADS
CPR
LADS
21
23
22
(+)
10
24
25
82
7
7
8
6
4
S8
S10
S9
LOPS
CTR
18
BARRING
SWITCH
DEVICE
CRANK
RELAY
START
STOP
EMERGENCY
SIGNAL
RELAY
OVERSPEED
ENGINE
TERMINATE
RELAY
CRANK
PRESSURE
SHUTDOWN
LOW OIL
(O.S.=CLOSED)
(TERMINATE=OPEN)
TERMINATE
(IN=OPEN)
(-)
133
16
132
12
123
122
41
P+
40
P+
RELAY
RELAY
RAIL
STRIP-TERMINAL
DUCT-WIRE
TERMINAL
BRACKET
TERMINAL
SWITCH AS.
POWER SUPPLY
CIRCUIT BRK
1
1
1
1
1
3
4
5
6
7
8
9
2
2
2
2
2
20
21
12
13
14
15
16
17
19
18
10
11
18
18
19
19
37
38
29
30
31
32
33
34
35
36
23
24
25
26
27
28
22
1
1
3
4
5
6
7
8
9
2
1
2
2
1
1
2
2
RR
TRR
CPR
20
21
12
13
14
15
16
17
19
18
10
11
18
18
19
19
37
38
29
30
31
32
33
34
35
36
23
24
25
26
27
28
22
IR
CTR
ESR
STSR
STPR
OFF
multi 9
MERLIN GERIN
C60N
51
54
53
52
56
57
55
51
54
53
52
56
57
55
OSS
15
14
1312
11
10
9
8
CRANK TERM
16
OIL STEP
SPEED
TERM
STEP
18 17
NC
COM COM
NO
COM
NO
NC NC
LATCH
STEP
OIL
1
7
6
5
4
32
-
ON/
TD
OFF
PICK UP
SIG
SHLD
COM
8-40 VDC
SPEED
VERIFY
+
NO
OVERSPEED
CRANK
OVER
MAX MAX MAX
OIL
OVER
%75
RESET
46
47
50
49
48
40
41
42
43
44
45
46
47
50
49
48
40
41
42
43
44
45
59
68
101
102
64
67
66
65
61
62
63
60
59
68
101
102
64
67
66
65
61
62
63
60
5858
39 39
FRONT VIEW
INSIDE OF FRONT DOOR
HIDDEN SHOWN MOUNTED
INSIDE OF BOX
RENR4931
September 2001
3512B Marine Auxiliary Engine
Electrical System
AAG1-UP
©
2001 Caterpillar
All Rights Reserved
Printed in U.S.A.
OPTIONAL ATTACHMENTS
OPTIONAL ATTACHMENTS
109-4367
TEMP RH
EXHAUST
TURBO
109-4367
TEMP LH
EXHAUST
TURBO
129-6628
SENSOR
TIMING
SPEED/
ENGINE
PRIMARY
SOL 2
HEAD
CYLINDER
9X-0352
RECEPT AS. (16)
103-6092
FILTD
SENSOR
PRESSURE
FILTER
FUEL
SOL 6
HEAD
CYLINDER
SOL 4
HEAD
CYLINDER
SOL 10
HEAD
CYLINDER
SOL 8
HEAD
CYLINDER
103-6092
UNFILTD
SENSOR
PRESSURE
FILTER
FUEL
103-6091
SENSOR
PRESSURE
OUTLET
TURBO
103-6093
SENSOR
PRESSURE
CASE
CRANK
SOL 12
HEAD
CYLINDER
103-6092
UNFILTD
SENSOR
PRESSURE
OIL
ENGINE
SOL 1
HEAD
CYLINDER
SOL 3
HEAD
CYLINDER
SOL 5
HEAD
CYLINDER
SOL 7
HEAD
CYLINDER
SOL 9
HEAD
CYLINDER
SOL 11
HEAD
CYLINDER
YL
YL
YL
YL
G776-PK
F730-GY
1
2
G776-PK
E425-WH
G776-PK
A711-PU
2
1
F730-GY
G775-GN
YL
YL
YL
YL
A709-OR
G775-GN
E424-GN
1
2
G774-YL
F728-BR
G774-YL
E423-YL
A707-PU
1
G773-OR
G773-OR
G773-OR
2
F728-BR
G774-YL
YL
YL
YL
YL
2
F726-YL
1
A705-YL
E421-WH
G772-WH
G772-WH
1
G772-WH
2
1
F726-YL
G771-BR
A701-GY
E420-BR
G771-BR
G771-BR
A703-BR
E422-OR
G775-GN
A712-BR
E433-PU
G784-PU
F731-OR
G784-PU
2
1
G783-YL
E432-YL
A710-GY
YL
YL
G784-PU
G783-YL
F731-OR
1
2
A708-BR
E431-GN
G782-GN
G782-GN
YL
YL
F729-GN
G782-GN
2
1
G781-WH
2
3
4
E430-OR
G781-WH
A706-GY
YL
YL
A704-GN
G781-WH
F729-GN
1
2
G780-PK
2
F727-GN
G780-PK
E429-PK
YL
YL
YL
1
G780-PK
E428-GY
A702-PU
G779-GY
G779-GY
F727-GN
1
2
G779-GY
YL
YL
YL
G783-YL
A701-GY
A703-BR
A705-YL
A707-PU
A709-OR
A711-PU
L1L1
E423-YL
E422-OR
E421-WH
E420-BR
F726-YL
F728-BR
F730-GY
E432-YL
E433-PU
E425-WH
E424-GN
L34
F726-YL
F728-BR
F730-GY
F730-GY
F728-BR
F726-YL
E431-GN
E430-OR
E429-PK
E428-GY
F731-OR
F729-GN
F727-GN
A712-BR
A710-GY
A708-BR
A706-GY
A704-GN
A702-PU
L31
F727-GN
F729-GN
F731-OR
F731-OR
F729-GN
F727-GN
L35
L38
L39
L33
L32
L38
INJECTOR GP (16)
L32
L34
L33
L31
L35
OR-18
YL-18
OR-18
GN-18
YL-18
997-OR
993-BR
997-OR
E796-GN
993-BR
GN-18
YL-18
OR-18
GN-18
F725-WH
993-BR
997-OR
E795-YL
OR-18
YL-18
GN-18
OR-18
YL-18
GN-18
F737-YL
997-OR
993-BR
A746-PK
997-OR
993-BR
+V ANALOG
SIGNAL
ANALOG RET
ANALOG RET
SIGNAL
+V ANALOG
+V ANALOG
SIGNAL
ANALOG RET
DIGITAL RET
SIGNAL
+V ANALOG
+V ANALOG
SIGNAL
ANALOG RET
F723-PK
F724-PU
1
2
WH-18
BK-18
A
C
B
BK-18
WH-18
998-BR
A700-OR
F704-OR
A700-OR
998-BR
F703-GY
OR-18
BK-18
WH-18
B
C
A
OR-18
BK-18
A
B
WH-18
C
SIGNAL
SIGNAL
SIGNAL
DIGITAL RET
+V DIGITAL
DIGITAL RET
DIGITAL RET
+V DIGITAL
16-18 GA. ALL OTHERS
12-14 GA. 7,9,11&13
8-10 GA. 1,22&24
4-6 GA. 19&20
3T-3044
25-PIN
CONNECTION 'A'
ENGINE
16-18 GA. ALL OTHERS
12-14 GA. 7,9,11&13
8-10 GA. 1,22&24
4-6 GA. 19&20
8N-1518
25-PIN
CONNECTION 'B'
ENGINE
ENGINES.
MARINE PROP
PROBE ON
TIMING CAL
A 6V-2197
ATTEMP TO USE
NOTE: DO NOT
6V-2455
SENSOR
TIMING CAL
101-0205
PLUG AS.
D-KEY
101-0205
PLUG AS.
D-KEY
POWER DISTRIBUTION BOX.
ENGINES WITH 115-5163
NON-ELECTRIC STARTER
SP PWM 3A (UNUSED)
101-RD-6
200-BK-10
200-BK
304-WH
101-RD-6
200-BK-10
29
35
POUT 1 (UNUSED)
SHUT-DOWN NOTIFY RETURN
SHUT-DOWN NOTIFY SIGNAL
ANALOG SENSOR 6B (UNUSED)
ANALOG SENSOR 7B (UNUSED)
ANALOG SENSOR 8B (UNUSED)
POUT 2 (UNUSED)
DIG SNSR RETURN
ANA SNSR PWR (5V) (UNUSED)
ANA SNSR RETURN (UNUSED)
ANALOG SENSOR 10B (UNUSED)
ANALOG SENSOR 11B (UNUSED)
SECONDARY ENG SPD/TIM SIG
PRIMARY ENG SPD/TIM SIG
SECONDARY +V SPEED/TIMING
ANALOG SENSOR 9B (UNUSED)
3.5A PWM RETURN (UNUSED)
ANALOG SENSOR 1B (UNUSED)
ANALOG SENSOR 2B (UNUSED)
ANALOG SENSOR 3B (UNUSED)
ANALOG SENSOR 4B (UNUSED)
PRIMARY THROTTLE SIG
SP PWM 2A (UNUSED)
SW INPUT #7/DIG SNSR 2 (UNUSED)
SW INPUT #8/DIG SNSR 3 (UNUSED)
ANALOG SENSOR 5B (UNUSED)
L40
L41
L42
L42
999-WH
F732-PK
F732-PK
XXX-XX
XXX-XX
XXX-XX
XXX-XX
XXX-XX
G790-PK
999-WH
F732-PK
XXX-XX
G791-BR
XXX-XX
XXX-XX
XXX-XX
XXX-XX
XXX-XX
XXX-XX
XXX-XX
XXX-XX
XXX-XX
XXX-XX
389-OR
388-BU
G721-GY
XXX-XX
E798-PK
E797-WH
XXX-XX
L40
L10
L9
997-OR
993-BR
F714-PK
A747-GY
E795-YL
A751-YL
F737-YL
A746-PK
F713-OR
994-GY
995-BU
L8
L6
L7
F725-WH
E796-GN
L41
L54
L7
L42
388-BU
389-OR
L41
999-WH
F732-PK
L7
F700-BU
XXX-XX
XXX-XX
F713-OR
994-GY
A751-YL
995-BU
F737-YL
N917-OR
L9
L10
A746-PK
A747-GY
F714-PK
389-OR
388-BU
F704-OR
F701-BR
E799-BR
29
35
RH TURBO EXH TEMP SIG
SP PWM 2A (UNUSED)
PRIMARY THROTTLE SIG
ENG PROT OVERRIDE
AFTERCOOLER TEMPERATURE SNSR
OIL PRESSURE SNSR - FILTERED
TURBO INLET LH PRESSURE SNSR
ATMOSPHERIC PRESSURE SNSR
TURBO OUTLET PRESSURE SNSR
3.5A PWM RETURN
TURBO INLET RH PRESSURE SNSR
CRANK
COOLANT TEMPERATURE SNSR
FUEL PRESSURE SNSR - UNFILTERED
POUT 1 (UNUSED)
POUT 3 (UNUSED)
POUT 3 RETURN (UNUSED)
CAT DATA LINK (-)
CAT DATA LINK (+)
DOUT 5 (UNUSED)
SW4 (UNUSED)
AIR SHUTOFF
DUAL ECM "HEARTBEAT" RECEIVE
ENGINE SHUTDOWN SIGNAL 'D' SW6
DUAL ECM "HEARTBEAT" RECEIVE
SWITCH INPUT #3 (UNUSED)
SPD PWM 2B+ (UNUSED)
SEC ECM "ACTIVE" LAMP
DIG SNSR PWR (8V) (UNUSED)
SEC CAT DATA LINK (+)(UNUSED)
ECS IN AUTO
CAN DATA LINK (-) (UNUSED)
HSDL SHIELD GROUND (UNUSED)
CAN DATA LINK (+) (UNUSED)
ECM ON/OFF - KEYSWITCH INPUT
SPD PWM 1B-(UNUSED)
SEC ECM "READY" LAMP
DROOP
SEC CAT DATA LINK (-)(UNUSED)
BATTERY(-)
BATTERY(-)
BATTERY(+)
BATTERY(+)
DOUT 2 (UNUSED)
DOUT 1 (UNUSED)
ENGINE SHUTDOWN SIGNAL 'C' SW2
L14
L44
L43
L45
F708-YL
G738-GY-14
C401-BU
L37
L36
XXX-XX
106-WH-14
229-BK-14
892-BR
F721-GY
F719-BR
(G791-BR)
XXX-XX
XXX-XX
229-BK-14
G738-GY-14
XXX-XX
XXX-XX
XXX-XX
F722-OR
F715-PU
676-PU
893-GN
F708-YL
G791-BR
C401-BU
675-BR
XXX-XX
C401-BU
106-WH-14
XXX-XX
XXX-XX
XXX-XX
XXX-XX
101-RD-6
200-BK-10
L44
L14
L11
G721-GY
L36
G738-GY-14
L16
F705-PK
F708-YL
L45
L12
F708-YL
C401-BU
G738-GY-14
L40
L36
L14
893-GN
892-BR
L11
L16
L10
L9
L45
L12
L13
F719-BR
F715-PU
E797-WH
E798-PK
G738-GY-14
F708-YL
F705-PK
03
02
01
J981-WH
J982-OR
200-BK-10
08
13
11
09
07
04
06
05
892-BR
893-GN
229-BK-14
150-OR-14
E799-BR
150-OR-14
229-BK-14
E798-PK
17
20
19
18
16
15
14
12
101-RD-6
G721-GY
389-OR
388-BU
F708-YL
E797-WH
F705-PK
25
23
21
24
998-BR
F715-PU
F719-BR
22
304-WH-10
10
F701-BR
L43
L8
L3
L2
C401-BU
L4
L37
L13
L37
L16
L4
L17
L2
L3
229-BK-14
229-BK-14
150-OR-14
150-OR-14
229-BK-14
229-BK-14
F705-PK
L3
L8
L2
L6
996-GN
999-WH
F732-PK
F703-GY
F725-WH
E795-YL
993-BR
997-OR
998-BR
A700-OR
E796-GN
L11
L4
F721-GY
F722-OR
892-BR
F724-PU
J981-WH
J982-OR
893-GN
XXX-XX
XXX-XX
XXX-XX
XXX-XX
F889-WH
F723-PK
L13
L12
F721-GY
F722-OR
F716-WH
F717-YL
F706-PU
F719-BR
113-OR-14
F715-PU
C401-BU
F718-BU
150-OR-14
150-OR-14
229-BK-14
(998-BR)
229-BK-14
998-BR
22
F705-PK
L6
L44
F889-WH
F718-BU
L54
L13
L5
L36
L36
L43
L5
106-WH-14
106-WH-14
L43
F723-PK
F724-PU
F704-OR
F703-GY
A700-OR
998-BR
F718-BU
998-BR
PRIMARY CONTROL
BATTERY(+)
BATTERY(+)
BATTERY(-)
CRANKCASE PRESSURE SENSOR
PRIMARY +V SPEED/TIMING
PRIMARY ENG SPD/TIM SIG
SECONDARY CAT DATA LINK (-)
CAT DATA LINK (+)
CAT DATA LINK (-)
DROOP
OVERSPEED VERIFY
PRIMARY ECM "HEARTBEAT" Tx
REVERSE ROTATION ENABLE
SPD PWM 1B-(UNUSED)
SECONDARY ENG SPD/TIM SIG
ECM ON/OFF - KEYSWITCH INPUT
FUEL PRESSURE SNSR - FILTERED
CAN DATA LINK (+) (UNUSED)
HSDL SHIELD GROUND (UNUSED)
CAN DATA LINK (-) (UNUSED)
OIL PRESSURE SNSR - UNFILTERED
ENGINE SHUTDOWN SIGNAL 'C' SW2
ECS IN AUTO
SECONDARY CAT DATA LINK (+)
DIG SNSR PWR (8V)
PRELUBE PUMP
TIMING CAL-FAN SPD(+)
TIMING CAL-FAN SPD(-)
LOAD FEED BACK
NORMAL ROTATION ENABLE
START/RUN/STOP1
START/RUN/STOP2
BATTERY(-)
LH TURBO EXH TEMP SIG
ANA SNSR RETURN
ANA SNSR PWR (5V)
DIG SNSR RETURN
ENGINE SHUTDOWN SIGNAL 'D' SW6
PRELUBE PRESSURE/OVERRIDE SWITCH
02
01
F716-WH
07
14
12
10
08
06
05
04
F718-BU
F721-GY
F889-WH
F700-BU
F706-PU
F722-OR
113-OR-14
N917-OR
03
F717-YL
19
18
17
16
15
13
11
09
XXX-XX-4
676-PU
G738-GY-14
394-GN-14
395-BR-14
XXX-XX
XXX-XX
675-BR
25
24
23
22
21
XXX-XX
106-WH-10
XXX-XX
XXX-XX-8
XXX-XX
20
XXX-XX-4
G738-GY-14
SECONDARY CONTROL
L17
L17
3N-1400
SWITCH
PRESSURE
PRELUBE
101-0204
PLUG AS.
C-KEY
101-0204
PLUG AS.
C-KEY
123-0316
DIODE AS.
CYL #2
123-0316
DIODE AS.
CYL #4
123-0316
DIODE AS.
CYL #6
123-0316
DIODE AS.
CYL #8
123-0316
DIODE AS.
CYL #12
123-0316
DIODE AS.
CYL #10
123-0316
DIODE AS.
CYL #5
123-0316
DIODE AS.
CYL #1
123-0316
DIODE AS.
CYL #3
123-0316
DIODE AS.
CYL #7
123-0316
DIODE AS.
CYL #9
123-0316
DIODE AS.
CYL #11
8C-6099
SOLENOID LH
AIR SHUT-OFF
8C-6099
SOLENOID RH
AIR SHUT-OFF
1W-9070
DIODE AS.
1W-9070
DIODE AS.
5N-8980
SOLENOID
AIR STARTER
L13
115-5163
2
1
(+)
(-)
394-GN-14
200-BK-14
200-BK-14
395-BR-14
L5
2
3
4
1
1
3
2
4
2
1
4
3
3
2
3
4
1
2
3
4
1
2
4
2
1
4
1
2
3
3
4
3
2
1
1
1
4
3
2
1
2
4
3
4
11
21
33
04
10
05
17
39
27
34
28
22
18
12
40
37
31
30
36
32
16
26
03
09
01
15
19
38
08
14
20
23
25
13
07
24
32
38
26
25
39
37
31
30
36
29
17
02
06
40
34
28
38
22
37
18
31
12
30
10
05
17
21
33
39
04
27
36
13
03
02
08
14
20
23
07
26
09
01
24
25
15
19
16
26
01
07
35
18
08
16
15
10
09
33
03
27
19
21
22
28
13
24
20
14
12
23
06
05
34
40
11
04
02
01
17
16
15
10
37
31
32
38
07
09
03
25
30
36
29
35
28
39
33
18
12
04
06
05
19
24
20
08
14
02
34
27
40
11
13
23
21
102-2240
SENSOR
TEMP
COOLANT
ENGINE
129-6628
SENSOR
TIMING
SPEED/
ENGINE
SECONDARY
103-6093
SENSOR
PRESSURE
ATMOS
103-6093
SENSOR
PRESSURE
INLET
TURBO
RIGHT
COMPATIBLE
SEA WATER
118-7562
102-2240
SENSOR
TEMP
COOLER
AFTER
103-6093
SENSOR
PRESSURE
INLET
TURBO
LEFT
103-6092
FILTD
SENSOR
PRESSURE
OIL
ENGINE
SOLENOID 16 POWER
SOL 1&3 RETURN
SOL 2&4 RETURN
SOL 5&7 RETURN
SOL 6&8 RETURN
SOL 9&11 RETURN
SOL 10&12 RETURN
SOL 13&15 RETURN
SOL 14&16 RETURN
L39
L38
F731-OR
F730-GY
F729-GN
F728-BR
F727-GN
F726-YL
SOLENOID 2 POWER
SOLENOID 4 POWER
SOLENOID 6 POWER
SOLENOID 8 POWER
SOLENOID 9 POWER
SOLENOID 10 POWER
SOLENOID 11 POWER
SOLENOID 12 POWER
SOLENOID 13 POWER
SOLENOID 15 POWER
SOLENOID 1 POWER
SOLENOID 3 POWER
SOLENOID 5 POWER
SOLENOID 7 POWER
L35
L34
C
B
A
+V SPD/TIM
SIGNAL
DIGITAL RET
OR-18
BK-18
WH-18
G790-PK
G791-BR
E433-PU
E425-WH
E432-YL
E424-GN
E431-GN
E423-YL
E430-OR
E422-OR
E429-PK
E421-WH
E428-GY
E420-BR
SOLENOID 14 POWER
A
C
A
B
B
C
B
A
GN-18
YL-18
OR-18
A
B
C
C
994-GY
993-BR
997-OR
C
B
A
A
B
C
OR-18
YL-18
GN-18
C
B
A
GN-18
YL-18
OR-18
A
B
C
993-BR
997-OR
A747-GY
F713-OR
997-OR
993-BR
A
OR-18
YL-18
GN-18
C
B
C
B
BK-18
WH-18
OR-18
A
997-OR
F714-PK
993-BR
993-BR
A751-YL
997-OR
997-OR
OR-18
A
WH-18
C
995-BU
L33
L32
F731-OR
F729-GN
F727-GN
G770-WH
G769-PU
F730-GY
F728-BR
F726-YL
A716-PU
A714-PK
L31
L1
A710-GY
A708-BR
A706-GY
A704-GN
A702-PU
A711-PU
A709-OR
A707-PU
A705-YL
A715-GY
A713-GN
A712-BR
06
11
A703-BR
A701-GY
32
SOL 14&16 RETURN
SOL 13&15 RETURN
SOL 10&12 RETURN
SOL 9&11 RETURN
SOL 6&8 RETURN
SOL 5&7 RETURN
SOL 2&4 RETURN
SOL 1&3 RETURN
SOLENOID 16 POWER
SOLENOID 15 POWER
SOLENOID 14 POWER
SOLENOID 13 POWER
SOLENOID 12 POWER
SOLENOID 11 POWER
SOLENOID 10 POWER
SOLENOID 9 POWER
SOLENOID 8 POWER
SOLENOID 7 POWER
SOLENOID 6 POWER
SOLENOID 5 POWER
SOLENOID 4 POWER
SOLENOID 3 POWER
SOLENOID 2 POWER
SOLENOID 1 POWER
BK-18
B
993-BR
+V ANALOG
SIGNAL
ANALOG RET
ANALOG RET
SIGNAL
+V ANALOG
+V ANALOG
SIGNAL
ANALOG RET
ANALOG RET
SIGNAL
+V ANALOG
+V ANALOG
SIGNAL
ANALOG RET
+V ANALOG
SIGNAL
ANALOG RET
998-BR
998-BR
999-WH
996-GN
998-BR
OR-18
+V SPD/TIM
996-GN
999-WH
MINIMUM HOLD-IN VOLTAGE: 7.0 VDC
MINIMUM PULL-IN VOLTAGE: 14.4 VDC
9Y-2921
RELAY
SECONDARY ECM
9Y-2921
RELAY
PRIMARY ECM
9Y-2921
RELAY
CAT MON
SYSTEM
NOTE A
8D-2676
RH/LH
3N-5762
ALARM
9X-3207
SHOT 2.4 SEC
RELAY-ONE
TIMER
AIR SHUT-OFF
NOTE A
7N-8008
MOMENTARY
SWITCH
MODE/CLEAR
NOTE A
8N-0694
MOMENTARY
SWITCH
SERVICE
NOTE A
9W-0073
ALARM SILENCE
9Y-2921
RELAY LH
AIR S/O
9Y-2921
RELAY RH
AIR S/O
116-7655
BREAKER
MAG RELAYS
NOTE A
8T-9637
MOMENTARY
SWITCH
CRANK
MANUAL
9Y-2921
RELAY MASTER
PRELUBE
107-5857
RELAY BREAKER
125-7096
BREAKER
ALTERNATOR
107-5856
BREAKER
BATTERY
114-1142
BREAKER
E-STOP
MAN CRANK
114-1142
BREAKER
POWER
CUSTOMER
3T-3043
25-PIN
CONNECTOR 'A'
INSTRUMENT BOX
9W-1951
CONNECTOR
SERVICE
BULKHEAD
INNER
BOX
INSTRUMENT
8N-1517
25-PIN
CONNECTOR 'B'
INSTRUMENT BOX
9
10
CONN D
TB-16
TB-15
TB-14
TB-13
CONN C
TB-20
TB-19
020-WH-14
CONN A
E798-PK
030-BU-14
CONN B
F718-BU
TB-10
TB-11
SERVICE CONN
TB-18
TB-17
2
30
85
E798-PK
1
87a
030-BU-14
87
86
020-WH-14
10A
CPCB
SDNR
E797-WH
E798-PK
2
TB-12
1
L26
10A
MCESCB
TB-1
2
2
1
1
63A
BATTCB
ALTCB
63A
GAR
87a
85
30
87
86
21
RCB
32A
1
TB-4
87a
87
85
4
50A
MAGCB
1 2
5
4
2
1
MANCS
TB-2
SMMS2
2 1
3
4
87a
87a
87
87
85
104-RD-14
104-RD-14
055-WH
12
SMMS1
85
055-WH
4
3
TB-8
TB-9
TB-6
TB-5
ALS
1 2
TB-7
2
C465-OR-10
30
118-GN
86
F705-PK
3
SS
23
1
MCS
4
2
3
1
6
RHLH
23
5
L26
ASOS1
F705-PK
ASOS2
30
86
F708-YL
F708-YL
394-GN-14
395-BR-14
30
C465-OR-10
395-BR-14
394-GN-14
L22
86
F708-YL
F708-YL
F705-PK
055-WH
200-BK
3
WH
RD
BK
2
1
AST
F708-YL
200-BK
055-WH
2
1
ALARM
L26
PPRS
PPRM
L27
L51
L26
G738-GY-14
200-BK
F718-BU
2
6
4
8
1
5
3
7
ES
2
10A
CSCB
1
3 2
11
16
6
22
13
14
15
17
18
19
20
7
8
9
10
12
1
2
3
F718-BU
2
3
4
5
OSS
EMSSS
2
PLOS
3
103-RD
103-RD
200-BK
200-BK
2
200-BK
10A
EMSCB
1
2
16A
PECMCB
1
2
1
SECMCB
16A
8685
87a
EMSR
87
8586
87a
87
30
PECMR
200-BK
200-BK
SECMR
30
87
87a
86 85
102-RD-10
102-RD-10
TB-3
200-BK
150-OR-10
103-RD-14
106-WH-10
103-RD-14
103-RD-14
200-BK
L53
30
87
86 85
87
8586
30
30
87a
87a
103-RD
103-RD-14
103-RD-14
200-BK
9Y-2921
E-STOP RELAY
9Y-2921
LOCKOUT RELAY
E-STOP
114-1143
ECM BREAKER
PRIMARY
114-1142
114-1143
ECM BREAKER
SECONDARY
NOTE A
127-2331
CONTROL SW
NOTE A
PRELUBE OVERRIDE SW
7N-8001
OVERSPEED VERIFY SW
114-1142
BREAKER
SWITCH
CONTROL
111-1324 (N.C.)
111-1324 (N.C.)
111-1323 (N.O.)
111-1323 (N.0.)
NOTE A
E-STOP
109-6507
158-6255
CATERPILLAR MONITORING SYSTEM
112-2974
GAUGE CLUSTER 1
FUEL PRES
COOLANT TEMP
OIL PRES
VOLTAGE
GAUGE 1
INLET RESTRICTION
EXHAUST TEMP
FUEL FILTER DIFF
OIL FILTER DIFF
GAUGE 2
112-2975
GAUGE CLUSTER 2
9X-8124
MAG RELAY #2
9X-8124
MAG RELAY #1
SLAVE 9X-8124
PRELUBE RELAY
9Y-2921
RELAY
GENERAL ALARM
+BATT
9Y-2921
PRCM RELAY
118-8581
GAUGE CLUSTER 3
TRAN OIL TEMP
TRAN OIL PRES
A/C TEMP
BOOST
GAUGE 3
114-1142
BREAKER
PRCM
9Y-2921
RELAY
SHUT-DOWN NOTIFY
9Y-2921
CP RELAY
L55 GENERAL ALARM RELAY
L54 ENGINE PROTECTION OVERRIDE
L53 CUSTOMER POWER RELAY COIL
L52 CONTROL SWITCH/ECM RELAY'S/EMS RELAY POWER
L51 PRCM RELAY POWER
L50 PROGRAMMABLE RELAY CONTROL MODULE POWER
L49 PILOT HOUSE PANEL WIRING
L48 J-BOX CUSTOMER POWER CONNECTION -BATTERY
L46 CATERPILLAR MONITORING SYSTEM GAUGE CLUSTER GROUND WIRING
L45 CUSTOMER SHUTDOWN
L44 THROTTLE SYNCHRONIZATION AND OVERSPEED VERIFY SIGNALS
L43 SECONDARY ECM "READY" & "ACTIVE" LAMP SIGNALS
L42 DUAL SPEED/TIMING SENSOR SIGNALS
L41 THROTTLE SIGNALS
L40 SECONDARY ECM SHUTDOWN NOTIFY WIRING
L39 SECONDARY ECM, EVEN, LOWSIDE INJECTOR WIRING
L38 SECONDARY ECM, ODD, LOWSIDE INJECTOR WIRING
L37 SECONDARY ECM -BATTERY
L36 SECONDARY ECM +BATTERY
L35 SECONDARY ECM, EVEN, HIGHSIDE INJECTOR WIRING
L34 SECONDARY ECM, ODD, HIGHSIDE INJECTOR WIRING
L33 PRIMARY ECM, EVEN, LOWSIDE INJECTOR WIRING
L32 PRIMARY ECM, ODD, LOWSIDE INJECTOR WIRING
L31 PRIMARY ECM, EVEN, HIGHSIDE INJECTOR WIRING
L30 SECONDARY CAT DATA LINK (NOTE: PAIR IS TWISTED TOGETHER)
L29 CATERPILLAR MONITORING SYSTEM HARNESS CODE
L28 CATERPILLAR MONITORING SYSTEM WIRING
L27 REMOTE START STOP
L26 AIR S/O RELAYS
L25 ENGINE CONTROL SWITCH
L24 CUSTOMER SHUTDOWN
L23 STARTER MAG RELAYS
L22 AIR S/O AND PRELUBE RELAYS
L21 THROTTLE SIGNALS
L20 THROTTLE SYNCHRONIZATION SWITCH
L19 STARTER MAG RELAYS
L18 ECM (+) BATT
L17 CAT DATA LINK (NOTE: PAIR IS TWISTED TOGETHER)
L16 ECM (+)BATT/(-)BATT
L15 CUSTOMER SUPPLIED WIRING
L14 SECONDARY ECM CAT DATA LINK (NOTE: PAIR IS TWISTED TOGETHER)
L13 ELECTRIC/AIR START SOLENOID
L12 CUSTOMER SHUTDOWN
L11 CAT/CAT2 DATA LINKS (NOTE: PAIRS ARE TWISTED TOGETHER)
L10 STARTER RELAY SIGNAL
L9 THROTTLE SIGNALS
L8 ANALOG SENSOR PWR/RTN
L7 ANALOG ENGINE SENSOR SIGNALS
L6 FUEL FILTER PRESSURES AND AFTERCOOLER TEMPERATURE
L5 AIR SHUT-OFF SOLENOID
L4 TIMING CALIBRATION
L3 SPD/TIMING
L2 EXH TEMP SENSOR PWR/RTN
L1 PRIMARY ECM, ODD, HIGHSIDE INJECTOR WIRING
892-BR
893-GN
DAMAGE OR VIBRATION.
NOTE C: SECURE CONNECTORS TO PREVENT
ALL WIRE IS 16 AWG.
NOTE B: UNLESS OTHERWISE SPECIFIED
ENGINE RUNNING POSITION
NOTE A: SWITCH SHOWN IN NORMAL
DRC-40
8T-9834
THERMOCOUPLE
DRC-40
9X-1343
CONNECTOR
INSTRUMENT BOX
DRC-24
9X-0145
POWER CONNECTOR
INSTRUMENT BOX
START
MAN.
RESET
OFF
200-BK
200-BK
XXX-XX
HARNESS CODE 0 = OPEN
HARNESS CODE 1 = OPEN
BASIC PANEL
HARNESS CODE 2 = GND
HARNESS CODE 3 = GND
HARNESS CODE 4 = GND
HARNESS CODE 5 = GND
HARNESS CODE 5 = GND
HARNESS CODE 4 = GND
HARNESS CODE 3 = OPEN
HARNESS CODE 2 = OPEN
HARNESS CODE 1 = GND
HARNESS CODE 0 = GND
PREMIUM PANEL - JWAC
HARNESS CODE 5 = GND
HARNESS CODE 4 = GND
HARNESS CODE 3 = OPEN
HARNESS CODE 2 = GND
HARNESS CODE 1 = GND
HARNESS CODE 0 = OPEN
PREMIUM PANEL - SCAC
HARNESS CODE 5 = GND
HARNESS CODE 4 = GND
HARNESS CODE 3 = OPEN
HARNESS CODE 2 = GND
HARNESS CODE 1 = OPEN
HARNESS CODE 0 = GND
PRIME PANEL W/ MAR GEAR SENSORS
HARNESS CODE 5 = GND
HARNESS CODE 4 = GND
HARNESS CODE 3 = OPEN
HARNESS CODE 2 = GND
HARNESS CODE 1 = OPEN
HARNESS CODE 0 = OPEN
PRIME PANEL W/O MAR GEAR SENSORS
CUST2
CUST1
XXX-XX
F722-OR
STOP
STOP
AUTO
START
4
3
2
1
CONTACTS
OFF/RESET
INDICATES "CLOSED"
BEFORE BREAK"
-INDICATES "MAKE
11
12
13
9
8
7
10
6
21
14
15
16
20
17
18
19
5
01
02
150-OR
150-OR
03
10
09
08
07
06
05
04
18
22
17
16
15
14
13
12
11
L48
200-BK
108-RD
108-RD
108-RD
108-RD
108-RD
108-RD
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
151-OR
150-OR
150-OR
150-OR
24
23
21
20
19
200-BK
200-BK
200-BK
200-BK
200-BK
04
05
06
07
03
02
01
09
10
11
12
13
14
15
16
08
L17
675-BR
676-PU
893-GN
892-BR
010-OR-14
022-WH
J981-WH
24
23
25
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
L27
L24
L55
C464-BU
C464-BU
998-BR
F715-PU
C464-BU
998-BR
050-WH
040-OR-14
024-BR
D936-WH
CUST1
B472-YL
060-YL
998-BR
J982-OR
103-RD-14
35
36
37
38
39
40
F889-WH
J981-WH
J982-OR
CUST2
090-BU-14
080-WH-14
070-OR-14
F889-WH
B471-BU
F719-BR
34
J982-OR
200-BK-10
J981-WH
229-BK-14
150-OR-14
150-OR-14
893-GN
892-BR
229-BK-14
L17
L18
L30
F705-PK
F708-YL
388-BU
389-OR
101-RD-6
F701-BR
E797-WH
109-RD-6
304-WH-10
F715-PU
314-PU-10
998-BR
F719-BR
L22
L19
L21
L24
L23
E799-BR
L30
22
17
AUTO
CONTROL SWITCH CHART
C465-OR-10
F716-WH
F722-OR
F706-PU
113-OR-14
N917-0R
F717-YL
F721-GY
L25
L20
G738-GY-14
676-PU
395-BR-14
394-GN-14
F700-BU
XXX-XX
XXX-XX
675-BR
XXX-XX
XXX-XX
XXX-XX-8
XXX-XX
XXX-XX-4
106-WH-10
XXX-XX-4
L43
L26
F889-WH
893-GN
892-BR
L17
893-GN
892-BR
G
F
E
D
C
B
A
200-BK
893-GN
892-BR
103-RD
892-BR
893-GN
J
H
150-OR
150-OR
150-OR
150-OR
150-OR
108-RD
108-RD
L48
108-RD
108-RD
85
30
86
87a
87
L53
114-OR-14
108-RD
L51
200-BK
CPR
L21
L20
102-RD
675-BR
676-PU
L43
E797-WH
020-WH-14
010-OR-14
108-RD
102-RD
L28
102-RD
102-RD
675-BR
150-OR
676-PU
150-OR
200-BK
30
87
8586
PRCMR
1
PRCMCB
102-RD
2
87a
10A
L53
8
051-WH
052-YL
053-GN
200-BK
6
5
4
3
2
049-OR
1
200-BK
7
ATTACHMENTS
150-OR
L53
200-BK
L46
200-BK
200-BK
200-BK
200-BK
102-RD
151-OR
113-OR-14
022-WH
024-BR
C464-BU
C464-BU
B472-YL
B471-BU
D936-WH
C464-BU
998-BR
102-RD
102-RD
102-RD
102-RD-10
102-RD
998-BR
998-BR
998-BR
102-RD
998-BR
102-RD
L28
L55
105-RD
105-RD
L52
102-RD-14
102-RD-10
102-RD-6
102-RD-6
102-RD-6
102-RD-14
102-RD-10
102-RD-10
L28
101-RD-6
L18
109-RD-6
998-BR
998-BR
102-RD-6
102-RD-6
L19
102-RD-6
105-RD
102-RD-6
105-RD
C465-OR-10
080-WH-14
102-RD-10
104-RD-10
104-RD-10
E799-BR
998-BR
998-BR
150-OR
104-RD-10
104-RD
104-RD-14
104-RD-14
104-RD
104-RD
102-RD-6
L19
E799-BR
F701-BR
107-RD-10
105-RD
200-BK
107-RD-10
L23
304-WH-10
314-PU-10
200-BK
E799-BR
F701-BR
200-BK
030-BU-14
200-BK
6
7
8
049-OR
200-BK
053-GN
052-YL
1
2
3
4
051-WH
5
049-OR
049-OR
053-GN
053-GN
052-YL
052-YL
8
7
6
051-WH
L28
022-WH
052-YL
053-GN
L28
L53
L28
200-BK
C464-BU
B471-BU
B472-YL
5
4
3
2
1
051-WH
052-YL
053-GN
200-BK
049-OR
XXX-XX
052-YL
200-BK
150-OR
051-WH
053-GN
049-OR
XXX-XX
XXX-XX
XXX-XX
XXX-XX
XXX-XX
XXX-XX
028-GY
XXX-XX
027-PU
B472-YL
B471-BU
C464-BU
L28
026-OR
L17
C464-BU
B471-BU
B472-YL
XXX-XX
025-GN
892-BR
893-GN
XXX-XX
L29
XXX-XX
026-OR
029-YL
200-BK
200-BK
200-BK
200-BK
XXX-XX
GROUND
+ 24 VOLT IN
+ V CLUSTER
MODULE CLOCK
MODULE LOAD
MODULE DATA
ACTION LAMP
CLEAR
TRANS SPEED IN
ENGINE SPEED IN
ALTERNATOR 'R'
SENSOR 1/SW 11
SENSOR 2/SW 12
SENSOR 3/SW 13
SENSOR 4/SW 14
SERVICE
SENSOR 5/SW 15
SENSOR 6/SW 16
SENSOR 7/SW 17
SENSOR 8/SW 18
+ 8 VOLT OUT
ACTION ALARM
DATA LINK +
DATA LINK -
SWITCH 1
SWITCH 2
SWITCH 3
HARNESS CODE 1
HARNESS CODE 2
HARNESS CODE 3
HARNESS CODE 4
HARNESS CODE 5
HARNESS CODE 0
39
29
19
06
16
22
12
03
31
14
05
04
24
38
28
10
08
27
37
17
07
30
36
26
33
23
13
35
15
25
34
02
01
049-OR
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
C465-OR-10
200-BK
200-BK
200-BK
998-BR
200-BK
150-OR
200-BK
027-PU
027-PU
028-GY
022-WH
XXX-XX
XXX-XX
XXX-XX
027-PU
029-YL
SWITCH 4
SWITCH 5
SWITCH 6
SWITCH 7
SWITCH 8
SWITCH 9/FUEL
SWITCH 10/FUEL
HARNESS CODES
09
18
21
11
32
40
20
025-GN
150-OR
200-BK
200-BK
150-OR
025-GN
029-YL
027-PU
028-GY
L20
229-BK-14
229-BK-14
L25
L48
L43
G738-GY-14
F718-BU
998-BR
998-BR
L46
L48
F700-BU
200-BK
L17
L25
L17
106-WH-10
L52
102-RD-14
102-RD-14
102-RD-10
102-RD-10
L18
L29
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
L51
113-OR-14
200-BK
200-BK200-BK
200-BK
998-BR
998-BR
L27
L25
F717-YL
113-OR-14
F706-PU
F716-WH
F717-YL
21
F716-WH
23
24
25
103-RD-14
OFF1
OFF2
OFF-A
AUTO-A
STOP-A
START-A
START1
STOP1
AUTO1
AUTO2
STOP2
START2
OFF-K
AUTO-K
STOP-K
START-K
F706-PU
NOTE A
4D-1836
150-OR
998-BR
OFF-B
AUTO-B
STOP-B
START-B
110-RD-14
113-OR-14
113-OR-14
G738-GY-14
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
229-BK-14
229-BK-14
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
L17
106-WH-10
F708-YL
102-RD-14
102-RD-10
102-RD-10
114-OR-14
L53
150-OR
102-RD-14
200-BK
114-OR-14
103-RD-14
102-RD-10
102-RD-10
102-RD-14
103-RD-14
103-RD-14
L18
150-OR-14
998-BR
150-OR
150-OR-10
102-RD-10
102-RD-10
102-RD-14
106-WH-10
998-BR
L53
L29
150-OR
150-OR
103-RD-14
103-RD-14
114-OR-14
200-BK
103-RD-14
200-BK
103-RD-14
103-RD-14
102-RD-10
106-WH-10
102-RD-10
102-RD-14
L17
150-OR-14150-OR-10
103-RD-14
103-RD-14
060-YL
050-WH
040-OR-14
060-YL
050-WH
040-OR-14
103-RD-14
200-BK-10
200-BK-10200-BK
388-BU
389-OR
F721-GY
NOTE A
OVERRIDE SW
PROTECTION
ENGINE
8D-1429
BURL
8D-1429
BUICL
PORT #2
EXHAUST
K TYPE
PORT #6
EXHAUST
PORT #4
EXHAUST
PORT #8
EXHAUST
PORT #10
EXHAUST
PORT #12
EXHAUST
PORT #11
EXHAUST
PORT #3
EXHAUST
PORT #1
EXHAUST
PORT #7
EXHAUST
PORT #5
EXHAUST
PORT #9
EXHAUST
COMBINED MUST NOT EXCEED 10 AMPS.
SUM CURRENT OF ALL 108-RD CIRCUITS
NOTE: PINS 7 THRU 12 ARE SWITCHED (+) BATTERY.
HOUSE PANEL(S), AND CCM SUPPLY.
PORT & STARBOARD THROTTLES, PILOT
USED ONLY FOR THROTTLE SYNC SWITCH,
NOTE: PINS 1 THRU 5 ARE SWITCHED (+)BATTERY.
HOUSE PANEL(S), AND CCM SUPPLY
PORT & STARBOARD THROTTLES, PILOT
USED ONLY FOR THROTTLE SYNC SWITCH,
NOTE: PINS 13 THRU 17 ARE (-) BATTERY.
COMBINED MUST NOT EXCEED 10 AMPS.
SUM CURRENT OF ALL 108-RD CIRCUITS
NOTE: PINS 18 THRU 21 AND 23 & 24 ARE (-) BATTERY.
(+) BATTERY IF PRESENT
TO BE PROVIDED TO PRCM CONTROL
NOTE: PIN 22 IS (-) BATTERY
(+)BATTERY IF PRESENT.
TO BE PROVIDED TO PRCM CONTROL
NOTE: PIN 6 IS SWITCHED (+)BATTERY
11Y
11R
1
2
-
+
9Y
7R
2
1
-
+
9R
2
7Y
5R
2
1
-
+
3Y
3R
1
2
-
+
5Y
1
2
1
1R
1Y
-
+
+
-
1
2
-
+
12R
12Y
2
1
1
2
+
-
10Y
10R
-
+
8R
8Y
2
1
1
2
+
-
6Y
6R
-
+
4R
4Y
2
1
-
2Y
2R
+
F700-BU
090-BU-14
070-OR-14
105-RD
N917-OR
N917-OR
105-RD
113-OR-14
113-OR-14
103-RD-14
4D-1836
EPOS
998-BR
200-BK
200-BK
NOTE BLOCK (ALL NOTES MAY NOT EXIST IN THIS CUSTOM APPLICATION)
BUT NOT USED IN THIS APPLICATION.
*
*
*
*
*
*
**
**
**
**
**
*
**
**
*
*
*
INDICATES PROVIDED WITH PRODUCTION PANEL
INDICATES CHANGE FROM ORIGINAL HARNESS.
TO DUAL ECM CAPABILITY.
WIRING HARNESS (REF SCHEMATIC 132-8103) TO CONVERT
NOTE D: SEVERAL MODIFICATIONS WERE MADE TO ORIGINAL
*
**
POSSIBLE BETWEEN ENGINE INSTRUMENT BOXES.
TWISTED TOGETHER AND KEPT AS SHORT AS
NOTE: CIRCUITS J981-WH AND J982-OR MUST BE
OTHER DEVICES.
POSSIBLE BETWEEN INSTRUMENT BOX AND
TWISTED TOGETHER AND KEPT AS SHORT AS
NOTE: CIRCUITS 892-BR AND 893-GN MUST BE
CATERPILLAR MONITORING SYSTEM
PRIMARY CONTROL
SECONDARY CONTROL
THIS SCHEMATIC IS FOR THE 3512B MARINE
AUXILIARY ENGINE 187-3382 CHG00
SYSTEM BREAKER
CATERPILLAR MONITORING
NOTE : TO CUSTOMER PYROMETER