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118-0
TRAILER WIRING
FUSE BLOCK-
UNDERHOOD
Connector
ST/LP
Fuse 12
25A
C9
ORN
1
B
STOP
LAMP
SWITCH
Connector
A
C1
VEH
STOP
Fuse 34
15A
B5
LT BLU
0.5
(BLUNT CUT)
TRAILER
BRAKE
WIRING
FUSE
BLOCK-
REAR
Connector
Stop
lamp
pole
HOT AT ALL TIMES
C2
WHT
1
See Power
Distribution,
page 10-1.
Engine
Controls
4.2L
5.3L
LT BLU
0.5
See Power
Distribution,
page 10-1.
TRAILER
Fuse 32
30A
RED
3
E
ELEK
BRK
Fuse 19
30A
F1
ORN
3
(BLUNT CUT)
TRAILER
BRAKE
WIRING
C2
BACK UP
Fuse 27
15A
B2
C1
C
PNK
0.8
C2
GRY
0.8
F
C2
A9
C1
PARK/
NEUTRAL
POSITION
(PNP)
SWITCH
Connector
TRLR B/U
Fuse 4
10A
B4
LT
GRN
0.8
A
C3
FUSE
BLOCK-
UNDERHOOD
Connector
See
Power
Distribution,
page 10-13.
B
WHT
5
G403
(BLUNT CUT)
C101
Connector
A4
DK BLU
3
DK BLU
3
C
(BLUNT CUT)
TRAILER
BRAKE
WIRING
See Ground
Distribution,
page 14-5.
SP201
G201
BLK
0.5
BLK
0.5
TRAILER
CONNECTOR
B4
C1
TRAILER
CONNECTOR
HOT IN RUN AND START
C
Circuit Schematic
118-1
TRAILER WIRING
A10
Left rear
stop/ turn
lamp supply
voltage
TRL
L TRN
Fuse 51
10A
FUSE
BLOCK–
UNDERHOOD
Connector
TURN
SIGNAL/
HAZARD
FLASHER
MODULE
Connector
G
YEL
0.8
YEL
0.8
D2
C
D10
C2
TRL
R TRN
Fuse 50
10A
D
TRAILER
CONNECTOR
Right rear
stop/turn
lamp
supply
voltage
F6
C3
D
DK GRN
0.8
DK GRN
0.8
HOT AT ALL TIMES
I/P BATT
Fuse 48
125A
PARK LP
RELAY 30
RED
13
Park
lamp
relay
control
RIBBON
CABLE
A14
BODY
CONTROL
MODULE
(BCM)
Connector
C4
C3
FUSE
BLOCK–
UNDERHOOD
Connector
A14
See Power
Distribution,
page 10-11.
TR PARK
Fuse 42
10A
B3
BRN
0.8
F
TRAILER
CONNECTOR
C1
C101
Connector
B12
BRN
0.8
See Power
Distribution,
page 10-11.
FUSE
BLOCK–
REAR
Connector
Circuit Schematic
118-2
120Ć3
The trailer connector is an extension of the main wiring
harness. See corresponding exterior lamps cell for
circuit operation.
Circuit Operation
TRAILER WIRING
118-3
TRAILER WIRING
(Refer to Section 201 for photographs.)
Component
Photo No.
Body Control Module
(BCM)
On Rear Fuse Block, under left rear seat
53
. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Block-Rear
Under the left rear seat
52
. . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Block-Underhood
Left side of engine compartment
3
. . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Park LP Relay 30
In the Rear Fuse Block
55
. . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Park/Neutral Position (PNP)
Switch
Left side of transmission
40
. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SP201
Near right front of lower console
80
. . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stop Lamp Switch
On brake pedal support
64
. . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Signal/Hazard Flasher
Module
Below the left side of I/P
57
. . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connector
C101 (38-BLK)
Left side of engine compartment
3
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trailer Connector
Below the center of the rear bumper
116
. . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ground
G201
Near right front of lower console
80
. . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
G403
On left side of rear frame crossmember
106
. . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Component Location Index
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