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Buick
·
Encore
·
2018 Buick Encore
·
Wiring
Wiring diagram
2018 Buick Encore — power distribution
Sheets
6
Labels
1768
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
4
3
3
4
3
4
3
4
4
3
3
4
3
4
3
4
2
1
2
1
4
4
3
3
4
A
25A
7.5A
430A
10A
10A
25A
5A
5A
20A
10A
30A
K
80A
C
B
10A
10A
30
86
87
85
15A
25A
20A
30A
15A
5A
40A
30A
25A
400A
80A
150A
UNDERHOOD FUSE BLOCK
BATTERY
BATTERY
FUSE
BLOCK
TRANSMISSION
CONTROL
MODULE
CONTROL
SOLENOID
VALVE
ASSEMBLY
AUTOMATIC
TRANSMISSION ASSEMBLY
STARTER
MOTOR
GENERATOR
PASSENGER
SEAT LUMBAR
SUPPORT
SWITCH
DRIVER
SEAT
LUMBAR
SUPPORT
SWITCH
ELECTRONIC
BRAKE
CONTROL
MODULE
SUNROOF
CONTROL
MODULE
EVAPORATIVE
EMISSION
VENT
SOLENOID
VALVE
POWER
STEERING
CONTROL
MODULE
BATTERY
SENSOR
MODULE
CHASSIS
CONTROL
MODULE
PASSENGER
PRESENCE
MODULE
SEAT MEMORY
CONTROL MODULE
BRAKE BOOSTER
PUMP MOTOR
RELAY
UNDERHOOD RELAY BLOCK
MULTI-FUNCTION
WINDSHIELD
SENSOR
RAIN/AMBIENT
LIGHT SENSOR
MODULE
ENGINE
CONTROL
MODULE
GARAGE
DOOR
OPENER
SEAT HEATING
CONTROL MODULE
DRIVER
WINDOW
SWITCH
OUTSIDE
REAR VIEW
MIRROR SWITCH
WINDSHIELD
WIPER
RELAY
WINDSHIELD
WIPER SPEED
CONTROL RELAY
TURBOCHARGER
WASTEGATE
SOLENOID
VALVE
ENGINE
CONTROL
MODULE
AUTOMATIC
TRANSMISSION
ACCUMULATOR
SOLENOID
VALVE
TURBOCHARGER
BYPASS
SOLENOID
VALVE
MULTI-
FUNCTION
INTAKE AIR
SENSOR
EVAPORATIVE
EMISSION
PURGE
SOLENOID
VALVE
HEATED
OXYGEN
SENSOR 2
HEATED
OXYGEN
SENSOR 2
ENGINE
COOLANT
THERMOSTAT
HEATER
ENGINE OIL
PRESSURE
CONTROL
SOLENOID VALVE
ENGINE CONTROL MODULE
HEATED
OXYGEN
SENSOR 1
X209
19
X3
D4
10
X209
1
1
21
4
1
X2
J1
15
X302
4
1
X301
1
X302
19
X105
E
E
X1
X1
16
1
5
X107
X3
16
X1
67
73
2
1
2
1
1
2
X1
15
X1
B
F2
X1
X2
D10
F1
H6
X1
X2
A1
J4
J3
1
X4
3
28
1
X1
X5
X2
D3
1
1
2
1
2
2
B6
5
D1
D4
X3
D2
X1
40
D5
13
X2
C1
20
X1
X301
4
C7
C6
1
E1
3
X112
4
X105
B9
C2
X3
J2
X350
N
2
X2
F1
A2
1
25
13
X500
4
C3
X208
4
1
X4
X2
X1
A
X1
RED/
YEL
LT GRN)
(OR RED/
(OR RED/
LT GRN)
VIO
RED/
VIO
RED/
YEL
RED/
GRN
RED/
GRN
RED/
RED/GRN
GRN
RED/
GRN
RED/
YEL
RED/
YEL
RED/
RED/
YEL
RED/
GRY
GRY
RED/
GRY
RED/
RED/
YEL
GRY
RED/
RED/GRN
RED
YEL)
(OR RED/
YEL)
(OR RED/
BLU
VIO/
BLU
VIO/
VIO/
BLU
VIO/
BLU
NCA
BLU
VIO/
VIO/
BLU
BLU
RED/
RED/
BLU
(OR RED/
BLU)
(OR RED/
BLU)
RED/
YEL
BLU
VIO/
VIO/
BLU
GRY
RED/
BLU
VIO/
VIO/
BLU
VIO/
BLU
VIO/
BLU
VIO/
BLU
NCA
NCA
BLU
VIO/
BLU
VIO/
BLU
VIO/
BLU
VIO/
YEL
YEL
BLU
VIO/
BLU
VIO/
RED/
WHT
WHT
RED/
YEL
RED/
RED/
GRN
GRN
RED/
RED/
VIO
VIO
RED/
RED/
VIO
RED/
VIO
RED/
YEL
YEL
RED/
RED/
GRN
YEL
RED/
GRN
YEL
RED/
RED/
RED/GRN
RED/
WHT
RED/
WHT
WHT
RED/
RED/
WHT
RED
RED/
BRN
RED/
BRN
RED/
YEL
PWR
LUMBAR
SW
FUSE
CANISTER
VENT
SOLENOID
FUSE
EBCM
PWR
FUSE
EBCM
PUMP
FUSE
FUSE
25
TCM B+
FUSE
SUNROOF
FUSE
FUSE
2
FUSE
4
FUSE
1
FUSE
5
HEATED
SEAT
MODULE
FUSE
RAIN SENSOR, OSRVM SW,
DRIVER WINDOW SW, UGDO
FUSE
EVP
FUSE
IBS
FUSE
FUSE
4
FSCM B+
FUSE
ECM B+
FUSE
AOS
FUSE
FRT
WIPER
FUSE
ENGINE
CONTROLS
IGNITION
RELAY
ECM PT
IGN1/
IGN2
FUSE
CANISTER PURGE SOL/
WATER VALVE SOL/
TURBO WASTEGATE SOL/
TURBO BYPASS SOL/
VARIABLE SWIRL SOL/
IMTV SOL
FUSE
ECM PT
IGN-3
FUSE
O2 SENSOR,
MAF
SENSOR
FUSE
(NOT
USED)
(NOT
USED)
(NOT
USED)
(NOT
USED)
W/ LANE DEPARTURE WARNING
ACTIVE SAFETY
W/O LANE DEPARTURE WARNING
ACTIVE SAFETY
1.4L (VIN M) TURBO
1.4L (VIN B) TURBO
(IF EQUIPPED)
(1.4L (VIN B) TURBO)
(BUICK)
(NOT
USED)
W/O MEMORY
W/ MEMORY
(1.4L
(VIN M)
TURBO)
(W/ MEMORY)
(1.4L (VIN B) TURBO)
(W/O MEMORY)
(BUICK)
(BUICK)
(BUICK)
(NOT
USED)
(1.4L
(VIN M)
TURBO)
(1.4L
(VIN M)
TURBO)
(1.4L (VIN M)
TURBO)
(LEFT FRONT CORNER
OF ENGINE COMPT)
(TOP OF
BATTERY)
(IN BODY
HARNESS,
UNDER
FRONT OF
LEFT FRONT
SEAT)
(IN BODY HARNESS,
BEHIND INSTRUMENT PANEL)
(LEFT FRONT
OF ENGINE COMPT)
(IN ENGINE
HARNESS,
RIGHT REAR
OF ENGINE)
(IN ENGINE HARNESS,
RIGHT REAR OF ENGINE)
J334
(BUICK)
(BUICK)
J398
J117
(BUICK)
J178
TO FUSE 3
(DIAGRAM
4 OF 6)
TO REAR BODY
FUSE BLOCK
(DIAGRAM
5 OF 6)
TO IGNITION COIL,
INJECTOR COIL
FUSE
(DIAGRAM
2 OF 6)
TO COOL FAN
HIGH FUSE
(DIAGRAM
2 OF 6)
1
2
1
2
1
2
15A
30
85
R
20A
10A
10A
87A
86
30
15A
F
D
5A
10A
30A
Q
30
86
87
85
20A
40A
30
86
10A
15A
30
87
86
85
60A
30
C
15A
B
HORN RELAY
AUXILIARY HEATER
COOLANT PUMP RELAY
COOLING
FAN HIGH
SPEED RELAY
UNDERHOOD
RELAY BLOCK
COOLING
FAN SPEED
CONTROL
RELAY
COOLING
FAN
RELAY
FUEL
INJECTOR
4
IGNITION
COIL
2
IGNITION
COIL
MODULE
FUEL
INJECTOR
1
ENGINE
CONTROL
MODULE
FUEL
INJECTOR
3
IGNITION
COIL
4
IGNITION
COIL
1
FUEL
INJECTOR
2
IGNITION
COIL
3
COOLING FAN
LOW SPEED
RELAY
COOLING FAN
MEDIUM
SPEED RELAY
HEADLAMP
HIGH
BEAM RELAY
A/C
COMPRESSOR
CLUTCH RELAY
UNDERHOOD
FUSE BLOCK
FRONT FOG
LAMP RELAY
HORN
RELAY
REAR
WIPER RELAY
REAR
DEFOGGER
RELAY
TRANSMISSION
CONTROL
MODULE
CONTROL
SOLENOID
VALVE
ASSEMBLY
AUTOMATIC
TRANSMISSION
ASSEMBLY
COMPASS
MODULE
ENGINE
CONTROL
MODULE
CHASSIS
CONTROL
MODULE
REAR WIPER
MOTOR
REAR VIEW
CAMERA
INSIDE
REAR VIEW
MIRROR
X902
2
F4
15
X208
20
X208
1
21
X901
16
16
X900
6
14
X1
X1
4
4
4
4
X1
51
J12
X1
H5
2
C5
X901
19
B12
J7
X2
F1
X3
2
3
2
X1
12
J8
19
X2
G12
G5
J11
X3
H6
X200
13
K4
H4
X2
19
2
X900
H3
X3
X1
B5
A
1
1
1
1
F5
VIO/
GRY
GRY
VIO/
VIO/
WHT
VIO/
GRN
GRN
VIO/
VIO/
GRN
WHT
VIO/
VIO/GRY
VIO/GRY
VIO/
GRY
VIO/
BLU
VIO/
BLU
VIO/
BLU
BLU
VIO/
BLU
VIO/
VIO/
VIO/
GRY
GRY
BLK
VIO/
BLU
VIO/
BLU
VIO/
BLU
BLU
VIO/
BLU
VIO/
BLU
VIO/
VIO
GRN/
GRY
VIO/
VIO/
GRY
VIO/
BLK
VIO/
GRN
VIO/
GRN
RED/
BLU
BLU
RED/
BLU
RED/
BLU
VIO/
VIO/
BLU
VIO/
BLU
BLU
VIO/
FAN 3
RELAY 85,
FWD AUX
FUSE
COOL FAN HIGH
FUSE
IGNITION COIL,
INJECTOR COIL
FUSE
COOL FAN
LOW MID
FUSE
AC
CLUTCH
FUSE
SPARE
RELAY
SPARE
RELAY
IGNITION
MAIN
RELAY
SPARE
FUSE
AUX HEATER
PUMP
FUSE
ESCL
FUSE
REAR WIPER
FUSE
FICM/
TCM RC/
PCM RC
FUSE
ISRVM
REAR VIEW CAM
FUSE
DC DC
TRANS, FSCM, TIM
FUSE
IEC RC
FUSE
(BUICK)
(1.4L (VIN M) TURBO)
(NOT
USED)
(1.4L
(VIN M)
TURBO)
1.4L (VIN B) TURBO
1.4L (VIN M) TURBO
(CHEVROLET)
(CHEVROLET)
(INFO NOT
AVAILABLE)
(INFO NOT
AVAILABLE)
(NOT
USED)
(NOT
USED)
(NOT
USED)
(NOT
USED)
(CHEVROLET)
(NOT
USED)
(NOT
USED)
(NOT
USED)
(CHEVROLET)
1.4L (VIN B) TURBO
1.4L (VIN M) TURBO
(W/ RETURN LESS
ELECTRONIC
FUEL SYSTEM)
(IF EQUIPPED)
(IF EQUIPPED)
(IN FORWARD LAMP
HARNESS, NEAR
UNDERHOOD RELAY BLOCK)
(IN ENGINE HARNESS, APPROXIMATELY
4.5 CM INTO BREAKOUT LEADING TO
ENGINE CONTROL MODULE CONNECTORS)
(LEFT FRONT OF
ENGINE COMPT)
(LEFT SIDE OF
ENGINE COMPT)
(LEFT FRONT
CORNER
OF ENGINE
COMPT)
(IN BODY HARNESS,
RIGHT SIDE OF
PASSENGER COMPT)
J130
J118
J432
(CHEVROLET)
J332
(BUICK)
(CHEVROLET)
J392
G102
FROM CANISTER PURGE SOL,
WATER VALVE SOL, TURBO WASTEGATE SOL,
TURBO BYPASS SOL, VARIABLE SWIRL SOL, IMTV SOL FUSE
(DIAGRAM
1 OF 6)
FROM WINDSHIELD
WIPER SPEED
CONTROL RELAY
(DIAGRAM 1 OF 6)
FROM BODY
CONTROL MODULE
(DIAGRAM
6 OF 6)
TO
STARTER
FUSE
(DIAGRAM
3 OF 6)
TO POWER
SUPPLY
TRANSFORMER
(DIAGRAM
6 OF 6)
TO SPLICE
J215
(DIAGRAM
4 OF 6)
1
2
1
2
1
2
3
3
2
1
4
5
5
4
5
4
U
86
85
30
30A
GND
G
120V AC PHASE A
BATT POS VOL
120V AC PHASE B
INVERTER CTRL
DC TO AC
P
N
10A
30
40A
F
40A
10A
10A
15A
5A
UNDERHOOD
FUSE BLOCK
STARTER PINION
SOLENOID
ACTUATOR RELAY
REAR WINDOW
WASHER
PUMP RELAY
WINDSHIELD
WASHER
PUMP RELAY
STARTER RELAY
INSTRUMENT
PANEL FUSE
BLOCK
BLOWER
MOTOR
CONTROL
MODULE
BLOWER
MOTOR
RELAY
INSTRUMENT PANEL FUSE BLOCK
HUMAN
MACHINE
INTERFACE
CONTROL
MODULE
HUMAN
MACHINE
INTERFACE
CONTROL
MODULE
BYPASS
MODULE
RADIO
TELEMATICS
COMMUNICATION
INTERFACE
CONTROL MODULE
INSTRUMENT
CLUSTER
AUXILIARY
AUDIO
INPUT
INFO
DISPLAY
MODULE
RADIO
AUXILIARY
AUDIO
INPUT
X1
1
X1
2
X1
1
X1
1
X3
8
7
X1
X1
6
6
X1
20
X2
X1
D12
3
1
X1
11
X1
D
C
X231
B
1
3
2
4
5
6
7
8
9
10
11
12
X2
1
2
3
X1
1
2
3
X1
X1
X200
34
6
X2
K1
15
1
7
RED/GRY
RED/
GRY
GRY
RED/
RED/
GRY
RED/
GRY
GRY
RED/
RED/
GRY
RED/
GRY
RED/
GRY
RED/
GRY
GRN
WHT/
BLU/BRN
RED
BLK
VIO
RED/
RED/
WHT
RED/
WHT
RED/
GRY
RED/
GRY
GRN
RED/
BLU
GRN)
(OR RED/
RED/
GRN)
(OR RED/
GRN
RED/
BLU
RED/
VIO
RED/
RED/
VIO
VIO
RED/
BLK
VIO
RED/GRN
BLU/BRN
RED
BLK
BLU/BRN
RED
BLK
RED/
BLU
GRN
RED/
GRY
RED/
GRY
RED/
BLU
RED/
BLU
RED/
VIO
RED/
STARTER SOL
FUSE
WASHER PUMP
FUSE
STARTER
FUSE
LPM
FUSE
POWER INVERTER
MODULE
110V AC
ACCESSORY
POWER
RECEPTACLE
SIL BOX AUDIO
NAV
FUSE
IPC B+
FUSE
FP
(INFOTAINMENT)
FUSE
ONS
GLONAS
FUSE
(1.4L (VIN M) TURBO)
(W/ FRONT CONSOLE
ELECTRICAL RECEPTACLE)
BUICK
CHEVROLET
1.4L (VIN M) TURBO
MID LEVEL
LOW LEVEL
(NOT
USED)
BASE
(W/ ONSTAR)
(LEFT FRONT
CORNER
OF ENGINE
COMPT)
(RIGHT SIDE
OF LUGGAGE
COMPT)
(BEHIND
LEFT END
OF DASH)
(BEHIND LEFT END OF DASH)
(IN
INSTRUMENT
PANEL
HARNESS,
NEAR
HVAC
CONTROL
MODULE)
(IN INSTRUMENT PANEL
HARNESS, ON RIGHT
SIDE OF DASH)
J219
J287
J255
J213
G401
1250
502
5683
5684
6807
FROM REAR
DEFOGGER
RELAY
(DIAGRAM
2 OF 6)
FROM REAR
BODY FUSE
BLOCK
(DIAGRAM
5 OF 6)
FROM INSTRUMENT
PANEL FUSE BLOCK
(DIAGRAM
6 OF 6)
FROM
POWER SUPPLY
TRANSFORMER
(DIAGRAM
6 OF 6)
FROM INSTRUMENT
PANEL FUSE
BLOCK
(DIAGRAM
6 OF 6)
1
2
3
4
3
4
2
1
2
1
2
1
2
5
5
A
7.5A
10A
7.5A
30A
30A
V
10A
80A
100A
5A
10A
10A
M
J
20A
10A
Q
J
30A
L
H
30A
15A
15A
15A
15A
15A
2A
7.5A
10A
10A
10A
H
15A
15A
30A
5A
80A
BATTERY
FUSE
BLOCK
INSTRUMENT PANEL FUSE BLOCK
RIGHT SIDE
OBJECT
SENSOR
MODULE
LEFT SIDE
OBJECT
SENSOR
MODULE
BODY CONTROL MODULE
PARKING
ASSIST
CONTROL MODULE
PASSENGER
WINDOW
SWITCH
DRIVER WINDOW
MOTOR
INSTRUMENT PANEL FUSE BLOCK
LIFTGATE
UNLATCH
RELAY
KEYLESS ENTRY
CONTROL
MODULE
DATA LINK
CONNECTOR
AIR IONIZER
ELECTRICAL
AUXILIARY
HEATER
PASSENGER
SEAT
ADJUSTER
SWITCH
HVAC
CONTROLS
HVAC
CONTROL
MODULE
INFLATABLE
RESTRAINT
SENSING &
DIAGNOSTIC
MODULE
SERIAL DATA
GATEWAY
MODULE
SEAT MEMORY
CONTROL
MODULE
DRIVER SEAT
ADJUSTER
SWITCH
INSTRUMENT PANEL FUSE BLOCK
STEERING
WHEEL
AIR BAG COIL
TRANSMISSION
CONTROL
MODULE
BRAKE
BOOSTER
VACUUM
SWITCH
FRONT VIEW
CAMERA
MODULE
CONTROL SOLENOID
VALVE ASSEMBLY
AUTOMATIC
TRANSMISSION ASSEMBLY
COLLISION
ALERT
INDICATORS
ELECTRICAL
AUXILIARY
HEATER
INSTRUMENT
CLUSTER
LEFT REAR
WINDOW
SWITCH
RIGHT REAR
WINDOW
SWITCH
STEERING WHEEL
HEATING CONTROL
MODULE
1
X112
X202
48
X202
X200
9
2
X1
1
X4
5
X202
X301
33
2
D
4
X4
1
1
X5
1
31
X200
D
2
X302
35
X1
8
8
1
X401
X378
1
45
X202
X200
24
X1
1
X1
1
X2
2
1
1
X200
39
20
X4
X1
X202
40
X209
9
3
23
17
X800
8
17
X700
23
X200
8
1
14
X202
14
X600
4
1
48
X202
X1
1
X1
8
X2
1
16
9
2
3
X2
X5
X2
27
X200
28
3
2
3
4
4
X2
3
X1
4
1
X500
14
X200
14
X3
RED/
YEL
RED/
WHT
RED/
VIO
VIO/
GRN
VIO/GRN
VIO/
BRN
RED/
WHT
WHT
RED/
RED/
WHT
WHT
RED/
RED/
WHT
RED
VIO/
BRN
BRN
VIO/
BRN
RED/
BRN
RED/
RED/
BRN
WHT
RED/
WHT
RED/
WHT
RED/
RED/WHT
RED/WHT
YEL
RED/
RED/
GRN
GRN
RED/
RED/
VIO
RED/
VIO
VIO
RED/
WHT
RED/
BRN
VIO/
BRN
VIO/
GRN
VIO/
VIO/
GRN
RED/
YEL
YEL
RED/
RED/
GRY
RED/
GRY
YEL
RED/
YEL
RED/
YEL
RED/
VIO/
GRN
GRY
RED/
BLU
RED/
BLU
RED/
BLU
RED/
BRN
RED/
BRN
RED/
BRN
RED/
RED/
YEL
YEL
RED/
WHT
RED/
WHT
RED/
WHT
RED/
BLU
RED/
BLU
RED/
RED/
YEL
RED/
YEL
RED/
GRY
YEL
WHT
RED/
RED/
VIO
WHT
GRY
RED/
RED/
RED/
VIO
BLU
RED/
RED/
RED/
YEL
RED/
WHT
VIO
RED/
GRY
RED/
WHT
RED/
VIO
RED/
BLU
RED/
GRN
RED/
GRN
RED/
GRN
VIO/
VIO/
BLK
VIO/
BLK
VIO/
GRN
GRN
VIO/
BRN
RED/
BRN
RED/
YEL
RED/
BRN
RED/
RED/
GRN
RED/
GRN
RED/
BLU
RED/
BLU
FUSE
3
PAS
SMZA
FUSE
BCM RVC
FUSE
PWR WNDW DW
MTR FRT FUSE
BCM 3
FUSE
BCM 2
FUSE
BCM 8
FUSE
BCM 1
FUSE
BCM 5
FUSE
BCM 4
FUSE
BCM 7
FUSE
BCM 6
FUSE
PWR SEAT
SW PASS
FUSE
PWR SEAT
SW DR
FUSE
L/GATE
RLY
FUSE
CGM
FUSE
DLC
FUSE
PTC
FUSE
1
DLIS
FUSE
HVAC MDL
FUSE
SDM B+
FUSE
PEPS
FUSE
IPC PTC
CL RLAD
FUSE
PWR WNDW DW
MTR REAR
FUSE
LDW
ISRVM
FUSE
HEATED
STEERING
FUSE
FUSE 28
DC DC 400W
FUSE
BUICK
CHEVROLET
1.4L (VIN B) TURBO
1.4L (VIN M) TURBO
W/ FORWARD
COLLISION ALERT
W/O FORWARD
6
COLLISION ALERT
W/ MEMORY
W/O MEMORY
(IF EQUIPPED)
(BUICK)
(BUICK)
(BUICK)
(CHEVROLET)
(NOT
USED)
(CHEVROLET)
6
(W/ LANE
DEPARTURE
WARNING SAFETY)
(IF EQUIPPED)
(BUICK)
(1.4L (VIN M) TURBO)
(BEHIND LEFT END OF DASH)
(TOP OF
BATTERY)
(BEHIND LEFT END OF DASH)
(IN INSTRUMENT PANEL HARNESS,
NEAR HVAC CONTROL MODULE)
(BEHIND LEFT END OF DASH)
(TOP OF
STEERING
COLUMN)
J397
(W/ ACTIVE
SAFETY LANE
DEPARTURE
WARNING)
J417
J215
J217
(BUICK
W/ FORWARD
COLLISION
ALERT)
FROM
FUSE 4
(DIAGRAM
1 OF 6)
TO L/GATE RLY
FUSE
(DIAGRAM
4 OF 6)
FROM
BCM 8
FUSE
(DIAGRAM
4 OF 6)
TO PWR WNDW
DW MTR REAR FUSE
(DIAGRAM 4 OF 6)
TO
IGNITION
SWITCH
(DIAGRAM
6 OF 6)
FROM
UNDERHOOD
FUSE BLOCK
(DIAGRAM 2 OF 6)
TO RETAINED
ACCESSORY
POWER RELAY
(DIAGRAM
6 OF 6)
FROM
CGM FUSE
(DIAGRAM 4 OF 6)
FROM POWER
SUPPLY
TRANSFORMER
DIAGRAM
(6 OF 6)
1
2
1
2
40A
T
RAP RLY 2
COIL CTRL
PASSIVE START
SW SIG 2
PASSIVE START
SW 2 LOW REF
IGN MODE SW
START LED SIG
IGN MODE SW
ACC LED SIG
MODE VOLT
IGN MODE SW
E
25A
S
40A
N
10A
30A
K
REAR
DIFFERENTIAL
CLUTCH CONTROL
MODULE
AUDIO
AMPLIFIER
KEYLESS ENTRY
CONTROL MODULE
BODY CONTROL MODULE
31
X202
49
2
8
47
46
X202
7
3
X1
7
4
5
8
6
12
20
X1
17
X2
11
X1
4
X409
5
X1
A
RED/
WHT
RED/
VIO
RED/
GRN
GRY
RED/
BLK
BLK
GRN
BLU/
BLU/
BRN/
BLK
BRN/
GRN
BLU/
YEL
BLK
BLU/
BLK
GRN/
BLK/
BLK
GRY
BLK/
GRY
GRN/
BLK
GRN
GRY/
BLK
RED/
BLU
RED/
BLU
VIO
RED/
WHT
RED/
RED/
GRY
RED/
BRN
RED/
BRN
RED/
GRN
REAR BODY FUSE BLOCK
DC/DC
400W
FUSE 1
DC/DC
400W
FUSE 2
AMPLIFIER
FUSE
RDCM
FUSE
DC/DC
IN
FUSE
IGNITION MODE SWITCH
(AWD)
(W/ KEYLESS ENGINE START SWITCH)
BUICK
CHEVROLET
(LEFT SIDE OF LUGGAGE COMPT)
(UNDER CENTER
CONSOLE)
(IN REAR OF VEHICLE)
(LEFT SIDE OF DASH)
J207
G302
FROM BATTERY
FUSE BLOCK
(DIAGRAM
1 OF 6)
TO
POWER
SUPPLY
TRANSFORMER
(DIAGRAM
6 OF 6)
TO
POWER
SUPPLY
TRANSFORMER
(DIAGRAM
6 OF 6)
TO
POWER
INVERTER
MODULE
(DIAGRAM
3 OF 6)
INTERIOR
LIGHTS
SYSTEM
TO
INSTRUMENT PANEL
FUSE BLOCK
(DIAGRAM 6 OF 6)
1
2
2
1
2
1
U
V
VOLT
VOLT
SPLY
VOLT 2
T
BATTERY
POSITIVE
S
POSITIVE
BATTERY
IGN 1 VOLT
VOLT 1
SERIAL
DATA (+) 3
SERIAL
DATA (-) 3
SERIAL
DATA (+) 3
SERIAL
DATA (+) 3
SERIAL
DATA (-) 3
DATA (-) 3
SERIAL DATA
RLY CTRL
R
RUN/CRANK
ENABLE
ACC WAKEUP
SERIAL
GROUND
GROUND
12V SPLY
G
RLY
CTRL
RLY COIL
MODE
LOG
CTRL
OPEN
MODE
LOG
SERIAL
WAKEUP
P
D
E
30A
M
20A
10A
COIL CTRL
RAP RLY
START
ACC
RUN
IGNITION KEY
RESISTOR SIG
RUN
START
OFF
START
ACC
VOLTAGE
OFF/RUN/CRANK
OFF
L
OFF
ACC
RUN
START
OFF
ACC
RUN
ACC
START
VOLTAGE
ACCESSORY
VOLTAGE
RUN/CRANK IGNITION 1
RUN
DATA
RUN/CRANK RELAY
COIL CTRL
ACCESSORY
OFF
BODY
CONTROL
MODULE
UNDERHOOD
FUSE BLOCK
INSTRUMENT PANEL FUSE BLOCK
TRANSMISSION
CONTROL
MODULE
CONTROL
SOLENOID VALVE
ASSEMBLY
AUTOMATIC
TRANSMISSION ASSEMBLY
ENGINE
CONTROL
MODULE
3
2
1
9
8
11
6
5
4
13
18
12
7
17
16
15
14
13
X202
10
13
X1
9
X4
X7
16
2
1
6
5
1
3
2
5
2
3
1
X1
13
C
12
X200
A
X231
A
X4
X3
H5
X2
D11
X200
11
12
6
X3
22
4
15
2
1
3
5
6
22
15
18
X1
GRY/
GRN
GRY/
GRN
(OR GRY/
GRN)
VIO
GRY/
GRN
RED/
WHT
RED/
VIO
RED/
WHT
VIO/
GRN
WHT/
VIO/
YEL
BLK
BLU/
WHT
BLK
BLU/
BLK
BLK
WHT
BLK
BLU/
WHT
YEL
RED/
YEL)
(OR RED/
GRN
RED/
YEL
RED/
VIO
RED/
VIO
BLK
BLK
GRY/
VIO
VIO/
BLU
GRY/
VIO
VIO/
BLU
GRN
RED/
RED/
GRN
BLK
VIO
VIO
BLK
BLK
VIO
VIO
GRN
GRY/
VIO
GRY/
BLK
WHT/
VIO
WHT/
RED/
YEL
VIO/
YEL
VIO/
BLK
YEL
VIO/
VIO
GRN/
VIO/
YEL
YEL
YEL
VIO/
VIO/
IGNITION
SWITCH
KEY-IN
IGNITION SWITCH
RETAINED
ACCESSORY
POWER
RELAY
BATTERY
SAVER
RELAY 1
AC PWR
PRNDL
FUSE
APO
DC FRT
FUSE
LOGISTIC
MODE RLY
DC/DC
FUSE
CIGARETTE
LIGHTER
RECEPTACLE
POWER
SUPPLY
TRANSFORMER
(W/O KEYLESS
ENGINE
START
SWITCH)
1.4L (VIN B) (TURBO)
1.4L (VIN M) (TURBO)
W/O
KEYLESS
ENTRY
W/
KEYLESS
ENTRY
(W/ STOP/
START
SYSTEM)
(LEFT FRONT CORNER
OF ENGINE COMPT)
(BEHIND LEFT END OF DASH)
(IN ENGINE
HARNESS, BELOW
ENGINE CONTROL
MODULE)
(UNDER
CENTER
CONSOLE)
(UNDER CENTER
CONSOLE)
(UNDER CENTER
CONSOLE)
(RIGHT
KICK
PANEL)
J101
J256
J256
G301
G301
G301
G304
FROM
INSTRUMENT
PANEL FUSE
BLOCK
(DIAGRAM
4 OF 6)
FROM
KEYLESS ENTRY
CONTROL MODULE
(DIAGRAM 5 OF 6)
TO UNDERHOOD
FUSE BLOCK
(DIAGRAM 2 OF 6)
FROM LDW ISRVM FUSE
(DIAGRAM 4 OF 6)
TO SPLICE
J255
(DIAGRAM
3 OF 6)
FROM
SPLICE
J392
DIAGRAM
(2 OF 6)
TO
INSTRUMENT
PANEL
FUSE
BLOCK
DIAGRAM
(4 OF 6)
TO
UNDERHOOD
FUSE BLOCK
DIAGRAM
(3 OF 6)
FROM
REAR BODY
FUSE BLOCK
DIAGRAM
(5 OF 6)
FROM
REAR BODY
FUSE BLOCK
DIAGRAM
(5 OF 6)
COMPUTER
DATA LINES
SYSTEM
COMPUTER DATA LINES SYSTEM
TO
110V AC
ACCESSORY
POWER
RECEPTACLE
(DIAGRAM
3 OF 6)