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Cadillac
·
Cts
·
2008 Cadillac CTS
·
Wiring
Wiring diagram
2008 Cadillac CTS — power distribution
Sheets
6
Labels
1086
Power distribution
Sheet 1
of 6
Sheet 2
of 6
Sheet 3
of 6
Sheet 4
of 6
Sheet 5
of 6
Sheet 6
of 6
A
A
E
10A
15A
10A
10A
15A
10A
10A
200A
15A
10A
15A
10A
D
10A
10A
B
15A
30A
10A
10A
20A
BATTERY
UNDERHOOD FUSE BLOCK
GENERATOR
STARTER
MOTOR
BODY CONTROL MODULE (BCM)
REAR FUSE BLOCK
ENGINE
CONTROL
MODULE
(ECM)
BODY
CONTROL
MODULE
(BCM)
TELEVISION
ANTENNA
MODULE
INFLATABLE
RESTRAINT SENSING
& DIAGNOSTIC
MODULE (SDM)
RIGHT REAR
WINDOW
SWITCH
INFLATABLE RESTRAINT
FRONT PASSENGER
PRESENCE SYSTEM
(PPS) SENSOR
EVAPORATIVE
EMISSION (EVAP)
CANISTER VENT
SOLENOID VALVE
REAR
SUBWOOFER
SPEAKER
VEHICLE
COMMUNICATION
INTERFACE MODULE
(VCIM)
REAR FUSE BLOCK
REAR OBJECT
SENSOR
CONTROL
MODULE
TIRE
PRESSURE
MODULE
REMOTE CONTROL
DOOR LOCK
RECEIVER
(RCDLR)
AUDIO
AMPLIFIER
MEMORY
SEAT
MODULE
(MSM)
1
X1
X2
1
31
73
X2
X4
1
72
82
76
78
58
X2
X4
2
3
1
4
2
X3
2
3
X1
38
X2
X2
56
8
16
10
X1
45
31
31
H
A
20
X1
X1
15
X1
6
46
2
X2
X1
17
A
1
10
X4
2
X1
X2
14
63
X1
49
A
15
X2
A
4
X1
H
X1
1
1
X1
C
X1
20
C
RED
RED
RED
RED
RED
RED
RED
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
WHT
RED/
ORG
ORG
ORG
NCA
RED/
WHT
ORG
ORG
RED
ORG
ORG
ORG
ORG
ORG
ORG
RED
ORG
ORG
ORG
ORG
ORG
ORG
RED
ORG
ORG
ORG
BLK
BLK
ORG
BLK
PREMIUM AUDIO
BRANDED W/
SURROUND AMPLIFIER
SPEAKER SYSTEM
INFOTAINMENT
SYSTEM 007/008
(W/ ONSTAR)
PREMIUM AUDIO
BRANDED W/
SURROUND AMPLIFIER
SPEAKER SYSTEM
W/O REMOTE
START
W/ REMOTE
START
W/ PARKING
ASSIST
(IF EQUIPPED)
INLINE FUSE
GENERATOR
BCM 4
FUSE
BCM 2
FUSE
BCM 7
FUSE
BCM 5
FUSE
BCM 6
FUSE
BCM 1
FUSE
BCM 3
FUSE
CNSTR/
VENT
FUSE
REAR/
WINDW
FUSE
RDO/
SPKR
FUSE
RVC/
SNSR
FUSE
ONSTAR
FUSE
ECM
FUSE
AIR BAG
FUSE
AUX/
OUTLET
FUSE
RKE/
PASS-KEY/
MDL FUSE
MSM
FUSE
AMP
FUSE
CENTER
CONSOLE 1
ACCESSORY
POWER
OUTLET
CENTER
CONSOLE 2
ACCESSORY
POWER
OUTLET
(RIGHT FRONT OF ENGINE COMPT)
(RIGHT REAR OF LUGGAGE COMPT)
(RIGHT REAR OF LUGGAGE COMPT)
(BEHIND RIGHT
KICK PANEL)
J308
G201
TO BLWR FUSE
(DIAGRAM 3 OF 6)
TO REAR FUSE BLOCK
PWR/CLMN
CIRCUIT BREAKER
(DIAGRAM 2 OF 6)
TO REAR
FUSE BLOCK
DR/LCK FUSE
(DIAGRAM 3 OF 6)
TO AUX/
OUTLET FUSE
(DIAGRAM
1 OF 6)
FROM
ECM FUSE
(DIAGRAM
1 OF 6)
25A
C
15A
15A
87
15A
25A
B
25A
25A
10A
C
15A
REAR FUSE BLOCK
TRUNK/
RELSE
RELAY
DRIVER SEAT
ADJUSTER
SWITCH
MEMORY SEAT
MODULE (MSM)
PASSENGER
SEAT ADJUSTER
SWITCH
PASSENGER SEAT
LUMBAR ADJUSTER
SWITCH
LEFT REAR
WINDOW
SWITCH
FRONT
PASSENGER
DOOR MODULE
(FPDM)
REAR FUSE BLOCK
GARAGE DOOR
OPENER (GDO)
RADIO
RADIO/
HVAC
DISPLAY
RADIO/
HVAC
CONTROL
52
X1
X2
6
78
X3
2
X1
4
H
D
E
X1
76
X1
77
79
E
5
2
X3
51
X1
A
A
X125
1
X1
26
X1
8
44
X1
ORG
ORG
RED/
ORG
WHT
ORG
WHT
RED/
ORG
ORG
ORG
ORG
RED
ORG
ORG
ORG
ORG
ORG
ORG
NCA
ORG
ORG
ORG
ORG
ORG
ORG
(NOT
USED)
W/ 8 WAY
ADJUSTER PASSENGER
SEAT POWER
W/O
POWER LUMBAR
CONTROL SEAT
W/
POWER LUMBAR
CONTROL SEAT
W/
MEMORY
W/O
MEMORY
(W/ MEMORY)
WIRING
PROVISIONS
(IF EQUIPPED)
TRUNK/
RELSE
FUSE
RT/FRT/
PWR/SEAT
CIRCUIT
BREAKER
PWR/CLMN
CIRCUIT
BREAKER
LT/REAR/
WNDW
FUSE
LF/FRT/
PWR/SEAT
CIRCUIT
BREAKER
PDM
FUSE
SPARE
FUSE
RDO
FUSE
THEFT/UGDO
FUSE
(RIGHT REAR OF LUGGAGE COMPT)
(IN FRONT PASSENGER
SEAT ASSEMBLY HARNESS,
NEAR PASSENGER SEAT
ADJUSTER SWITCH)
(RIGHT REAR OF
LUGGAGE COMPT)
(IN BODY HARNESS,
NEAR INLINE
CONNECTOR X800)
(IN I/P HARNESS,
NEAR BRANCH FOR
RADIO/HVAC CONTROL)
J385
J303
J275
FROM BATTERY
(DIAGRAM 1 OF 6)
TO RDO FUSE
(DIAGRAM
2 OF 6)
FROM TRUNK/
RELSE FUSE
(DIAGRAM
2 OF 6)
85
30
20A
30A
10A
D
25A
15A
87
86
30
87
86
30
87
86
2A
15A
20A
10A
F
30
86
E
20A
30A
50A
60A
40A
J
REAR FUSE BLOCK
SPARE RELAY
LCK RELAY
UNLCK RELAY
LT/POS/LP RELAY
FUEL/
PUMP
RELAY
RT/POS/LP RELAY
DRIVER
WINDOW
MOTOR
PASSENGER
WINDOW
MOTOR
DRIVER DOOR
MODULE
(DDM)
SUNROOF
CONTROL
MODULE
SUNROOF
SHADE
MODULE
UNDERHOOD FUSE BLOCK
ELECTRONIC BRAKE
CONTROL MODULE
(EBCM)
BLOWER
MOTOR
CONTROL
MODULE
PEDESTRIAN
IMPACT
DETECTION
MODULE
WINDSHIELD
WASHER
SOLVENT
HEATER
HEADLAMP
MODULE
BRAKE
BOOSTER
PUMP RELAY
THEFT
DETERRENT
MODULE
(TDM)
5
X1
X1
6
3
9
8
13
6
3
3
4
X1
17
X2
6
75
X2
80
X1
1
X2
15
81
20
8
X3
54
7
X2
A
38
13
1
6
X2
X1
1
C
RED
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
RED
RED
ORG
RED
ORG
RED
RED
ORG
RED
ORG
ORG
BLK
BLK
IF EQUIPPED
3.6L (VIN V)
W/
REMOTE
START
W/O
REMOTE
START
(IF
EQUIPPED)
(IF
EQUIPPED)
(IF
EQUIPPED)
FUEL/
PUMP
FUSE
RT/POS/LP
FUSE
DR/LCK
FUSE
PWR/WNDW
CIRCUIT
BREAKER
S/ROOF
FUSE
BRK VAC
PUMP
FUSE
PWR
MODING
FUSE
AFS
FUSE
BLWR
FUSE
WSW/HTR
FUSE
ABS MTR
FUSE
PED PROT
FUSE
ABS
FUSE
LTR
FUSE
CIGAR
LIGHTER
(RIGHT REAR OF LUGGAGE COMPT)
(IN SUNROOF
ASSEMBLY HARNESS,
NEAR SUNROOF
CONTROL MODULE)
(RIGHT FRONT OF ENGINE COMPT)
(IN STEERING COLUMN
HARNESS, NEAR
INLINE CONNECTOR X202)
(IN ENGINE HARNESS,
NEAR BRANCH FOR
BRAKE BOOSTER
PUMP RELAY)
(BEHIND LEFT
KICK PANEL)
J377
J270
J184
J200
G200
FROM BATTERY
(DIAGRAM 1 OF 6)
FROM
BCM 7 FUSE
(DIAGRAM
1 OF 6)
TO NAV MTR FUSE
(DIAGRAM 4 OF 6)
TO
IGNITION SWITCH
(DIAGRAM 5 OF 6)
86
85
30
87
G
30A
10A
50A
30A
40A
30A
85
87
30
87
30
30
30
85
H
10A
I
L
K
30
30
85
30
85
15A
10A
F
15A
10A
G
10A
15A
H
10A
15A
20A
30
M
30
86
30
85
87
85
30
30
85
UNDERHOOD FUSE BLOCK
FAN 1
RELAY
REAR
DEFOG
RELAY
STRTR
RELAY
WPR HI
RELAY
WPR
RELAY
FAN 2
RELAY
WSW PUMP RELAY
DATA LINK
CONNECTOR
(DLC)
AUTOMATIC
TRANSMISSION
RADIO/
HVAC
DISPLAY
TRANSFER
CASE
SHIFT
CONTROL
MODULE
INSTRUMENT
PANEL
CLUSTER
(IPC)
HVAC
CONTROL
MODULE
UNDERHOOD FUSE BLOCK
AFTER
BOIL
RELAY
A/C
CMPRSR
CLTCH
RELAY
FOG LAMP
RELAY
HORN
RELAY
DRL
RELAY
RT DRL
(HID)
RELAY
LO BEAM
RELAY
HI BEAM
RELAY
LO BEAM
LP RELAY
LT DRL
RELAY
UNDERHOOD FUSE BLOCK
IGN MAIN
RELAY
HEADLAMP
WASH
RELAY
TRANSFER
CASE
SHIFT
CONTROL
MODULE
PASSENGER
CUSHION
HEATED
SEAT
ELEMENT
PASSENGER
BACK
HEATED
SEAT
ELEMENT
AUTOMATIC
TRANSMISSION
DRIVER
CUSHION
HEATED
SEAT
ELEMENT
ENGINE
CONTROL
MODULE
(ECM)
DRIVER
BACK
HEATED
SEAT
ELEMENT
TIRE
PRESSURE
MODULE
AUTOMATIC
TRANSMISSION
ENGINE
CONTROL
MODULE
(ECM)
MASS AIR
FLOW (MAF)
SENSOR/
INTAKE AIR
TEMPERATURE
(IAT) SENSOR
TRANSFER
CASE
SHIFT
CONTROL
MODULE
X3
38
26
X2
65
20
44
5
X1
9
41
6
X1
X2
C
C
C
X3
7
40
X2
57
84
61
4
16
X1
18
19
X2
C
1
X2
23
18
X3
13
24
16
X2
C
1
A
X215
54
X2
12
B
X1
3
DK BLU
DK BLU
DK BLU
PNK
DK BLU
DK
DK
DK
PNK
BLU
BLU
BLU
PNK
PNK
PNK
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
ORG
PNK
PNK
PNK
PNK
PNK
PNK
PNK
PNK
PNK
PNK
PNK
PNK
PNK
PNK
W/ AWD
AUTO
PROVISIONS
(6 SPEED
A/T)
W/ HID
(W/O HID)
(W/O HID)
(W/ HID)
(W/ HID)
(NOT
USED)
W/ CLIMATE
CONTROL
SEATS
W/ AWD
AUTO
PROVISIONS
WIRING
PROVISIONS
W/ AWD
AUTO
PROVISIONS
(6 SPEED
A/T)
(IF
EQUIPPED)
(IF
EQUIPPED)
REAR
DEFOG
FUSE
FAN 1
FUSE
NAV MTR
FUSE
WSW PUMP
FUSE
WPR
FUSE
TCM BATT
FUSE
FAN 2
FUSE
STRTR
FUSE
DISPLY
FUSE
AWD
FUSE
A/C
CLTCH
FUSE
HORN
FUSE
DRL/ENG PUMP
FUSE
HDM
WASH
FUSE
MISC IGN
FUSE
ECM/TCM
IGN
FUSE
(RIGHT FRONT OF ENGINE COMPT)
(RIGHT FRONT OF ENGINE COMPT)
(RIGHT FRONT OF ENGINE COMPT)
(IN DRIVER SEAT
ASSEMBLY HARNESS,
NEAR INLINE CONNECTOR
X300)
J389
J388
TO HORN FUSE
(DIAGRAM
4 OF 6)
FROM
PWR MODING
FUSE
(DIAGRAM
3 OF 6)
TO HDM WASH
FUSE
(DIAGRAM
4 OF 6)
FROM
WPR FUSE
(DIAGRAM
4 OF 6)
TO PWR/TRN
RELAY
(DIAGRAM
6 OF 6)
FROM A/C
CLTCH FUSE
(DIAGRAM
4 OF 6)
TO AIR BAG
FUSE
(DIAGRAM
6 OF 6)
FROM BCM
(PIN 19
CONNECTOR X4)
(DIAGRAM
5 OF 6)
FROM BCM
(PIN 21
CONNECTOR X4)
(DIAGRAM
5 OF 6)
1
2
2
1
2
1
J
START
RUN
OFF
START
ACC
OFF
START
ACC
RUN
RUN
OFF
START
RUN
OFF
START
ACC
RUN
OFF
ACC
ACC
O
15A
86
85
85
85
85
5V REF
CRANK VOLT
BATT POS
ACC VOLT
K
IGN 1 VOLT
IGN 3 VOLT
RAP FUSE VOLT
SERIAL DATA
L
THEFT
DETERRENT
MODULE
(TDM)
REMOTE
CONTROL
DOOR
LOCK
RECEIVER
(RCDLR)
UNDERHOOD FUSE BLOCK
BODY CONTROL
MODULE (BCM)
A/C
CMPRSR
CLTCH
RELAY
FAN 1
RELAY
AFTER
BLOW
RELAY
FAN S/P
RELAY
FAN 2
RELAY
VEHICLE
SPEED
SENSOR
(VSS)
SUNROOF
CONTROL
MODULE
WINDSHIELD
WASHER
SOLVENT
HEATER
HVAC
CONTROL
MODULE
ELECTRONIC
COMPASS
MODULE
SUNROOF
SHADE
MODULE
WINDSHIELD
OUTSIDE
MOISTURE
SENSOR
HEATED
OXYGEN
SENSOR
(HO2S)
BANK 1
SENSOR 2
HEATED
OXYGEN
SENSOR
(HO2S)
BANK 2
SENSOR 2
2
6
1
3
2
5
4
X1
G
X3
40
28
4
2
14
19
X1
21
21
11
X4
X5
13
3
D
C
C
D
4
3
X2
3
6
1
X1
9
ORG
WHT/
BLK
PNK
BRN
BRN
BRN
BRN
BRN
BRN
GRN
LT
WHT
LT
GRN
BLK
PNK/
BLK
PNK/
WHT
WHT/BLK
PNK
DK BLU
BRN
PNK
DK GRN
ORG
PNK/
BLK
BLK
BLK
PNK/
PNK/
DK
GRN
DK
DK
GRN
GRN
ORG
ORG
ORG
W/O
REMOTE START
W/O
REMOTE
START
W/
REMOTE
START
W/
REMOTE START
3.6L (VIN 7) A/T
3.6L (VIN V) M/T
(IF
EQUIPPED)
(IF
EQUIPPED)
(M/T)
(IF
EQUIPPED)
(IF
EQUIPPED)
IGNITION
SWITCH
EMIS 2
FUSE
(IN STEERING COLUMN
HARNESS, NEAR
BODY CONTROL MODULE)
(RIGHT FRONT OF ENGINE COMPT)
(IN I/P HARNESS,
NEAR BRANCH FOR
FRONT CENTER SPEAKER)
(IN ENGINE HARNESS,
NEAR BRANCH FOR
UNDERHOOD FUSE BLOCK)
J260
J265
J187
FROM
PWR MODING
FUSE
(DIAGRAM
3 OF 6)
FROM
EMIS 1 FUSE
(DIAGRAM
6 OF 6)
TO
UNDERHOOD FUSE BLOCK
(IGN MAIN RELAY)
(DIAGRAM 4 OF 6)
TO
UNDERHOOD FUSE BLOCK
(PIN 20 CONNECTOR X2)
(DIAGRAM 4 OF 6)
N
15A
10A
10A
85
30
87
I
M
O
15A
15A
N
UNDERHOOD FUSE BLOCK
PWR/TRN RELAY
INFLATABLE
RESTRAINT
SENSING &
DIAGNOSTIC
MODULE
(SDM)
INSTRUMENT
PANEL
CLUSTER
(IPC)
FUEL
INJECTOR
3
IGNITION
COIL/
MODULE
5
IGNITION
COIL/
MODULE
1
IGNITION
COIL/
MODULE
5
IGNITION
COIL/
MODULE
3
FUEL
INJECTOR
5
IGNITION
COIL/
MODULE
1
ENGINE CONTROL MODULE (ECM)
IGNITION
COIL/
MODULE
3
FUEL
INJECTOR
1
UNDERHOOD FUSE BLOCK
EVAPORATIVE
EMISSION
(EVAP)
CANISTER
PURGE
SOLENOID
VALVE
CAMSHAFT
POSITION
(CMP)
ACTUATOR
SOLENOID
VALVE
(INTAKE
BANK 1)
CAMSHAFT
POSITION
(CMP)
ACTUATOR
SOLENOID
VALVE
(EXHAUST
BANK 1)
HEATED
OXYGEN
SENSOR
(HO2S)
BANK 1
SENSOR 1
IGNITION
COIL/
MODULE
2
IGNITION
COIL/
MODULE
4
IGNITION
COIL/
MODULE
6
ENGINE
CONTROL
MODULE
(ECM)
HEATED
OXYGEN
SENSOR
(HO2S)
BANK 2
SENSOR 1
INTAKE
MANIFOLD
TUNING
(IMT)
SOLENOID
VALVE
CAMSHAFT
POSITION
(CMP)
ACTUATOR
SOLENOID
VALVE
(INTAKE
BANK 2)
CAMSHAFT
POSITION
(CMP)
ACTUATOR
SOLENOID
VALVE
(EXHAUST
BANK 2)
IGNITION
COIL/
MODULE
2
IGNITION
COIL/
MODULE
6
IGNITION
COIL/
MODULE
4
FUEL
INJECTOR
4
FUEL
INJECTOR
6
FUEL
INJECTOR
2
4
4
4
A
A
X3
51
36
X2
15
A
2
2
2
76
6
5
3
X1
X2
32
20
1
1
1
1
1
E
C
X3
23
47
X3
C
2
2
4
4
4
A
A
A
2
77
X1
PNK/
BLK
PNK/
PNK/
BLK
BLK
PNK/
PNK/
PNK/
BLK
BLK
BLK
PNK/
BLK
PNK/
BLK
PNK/
BLK
PNK
PNK/
BLK
PNK/
PNK/
BLK
BLK
PNK/
PNK/
PNK/
BLK
BLK
BLK
PNK/
PNK/
PNK/
BLK
BLK
BLK
PNK
PNK
BLK
PNK/
BLK
BLK
PNK/
PNK/
PNK/
BLK
PNK/
BLK
PNK/
BLK
BLK
PNK/
BLK
PNK/
PNK/
BLK
PNK/
BLK
BLK
PNK/
PNK/
PNK/
PNK/
PNK/
BLK
PNK/
PNK/
PNK/
BLK
PNK/
BLK
PNK/
BLK
BLK
BLK
BLK
BLK
BLK
PNK/
BLK
BLK
PNK/
PNK/
BLK
3.6L (VIN 7)
3.6L (VIN V)
3.6L (VIN V)
3.6L (VIN 7)
3.6L (VIN 7)
AIR BAG
IGN
FUSE
ODD COILS
FUSE
ECM
FUSE
EVEN COILS
FUSE
EMIS 1
FUSE
(RIGHT FRONT OF ENGINE COMPT)
(IN ENGINE HARNESS,
NEAR CONNECTOR
OF COIL 1)
(IN ENGINE HARNESS,
NEAR CONNECTOR X5
OF UNDERHOOD
FUSE BLOCK)
(IN ENGINE HARNESS,
NEAR BRANCH FOR
UNDERHOOD
FUSE BLOCK)
(IN FUEL INJECTOR
HARNESS, NEAR
INLINE CONNECTOR
X121)
(RIGHT FRONT OF ENGINE COMPT)
(IN ENGINE HARNESS,
NEAR CONNECTOR
OF COIL 5)
(IN ENGINE HARNESS,
NEAR ECT SENSOR
CONNECTOR)
(IN ENGINE HARNESS,
NEAR CONNECTOR X5
OF UNDERHOOD
FUSE BLOCK)
(IN FUEL INJECTOR
HARNESS, NEAR
INLINE CONNECTOR
X121)
J145
J161
J185
J151
J142
J146
J162
J152
FROM IGN
MAIN RELAY
(DIAGRAM
4 OF 6)
FROM MISC
IGN FUSE
(DIAGRAM
4 OF 6)
TO EVEN COILS FUSE
(DIAGRAM 6 OF 6)
TO EMIS 2
FUSE
(DIAGRAM
5 OF 6)
FROM ODD
COILS FUSE
(DIAGRAM
6 OF 6)