GMC Sierra 1500 (2000-2012) heavy duty trailer wiring wiring diagram
This page shows the only wiring diagram for the component.heavy duty trailer wiring, which is found in the car GMC Sierra 1500 (2000-2012). This component is only found in one wiring diagram on your vehicle, and you can see its details here. If necessary, you can also go to other diagrams for this system for more information..
heavy duty trailer wiring wiring diagram (1 of 1)
BLK WIRE
BLU WIRE
BODY CONTROL MODULE
BODY RELAY BLOCK (LEFT SIDE OF DASH)
BRN WIRE
CAMPER EXTENSION
CAMPER IN-LINE CONNECTOR
CAMPER WIRING (PICKUP ONLY)
CHMSL FUSE
DK HOT WITH PARKLAMP RELAY ENERGIZED
DK LT DK
GRN WIRE
HEAVY DUTY TRAILER WIRING
HOT IN REVERSE (UTILITIES) HOT AT RUN AND START (PICKUP)
HOT WITH BACK-UP LAMP SWITCH CLOSED
HOT WITH PARKLAMP RELAY ENERGIZED
HOT WITH STOPLAMP HOT AT SWITCH ALL TIMES DEPRESSED
HOT WITH STOPLAMP SWITCH DEPRESSED
INT PRK FUSE
LIGHT DUTY TRAILER WIRING (PICKUP ONLY)
LT DK
LT DK LT DK
LT GRN WIRE
LT PICKUP ONLY
NCA WIRE
RED WIRE
SPLICE PACK 203
STUD 1
STUD 1 MAXI FUSE CHMSL FUSE
STUD 2
TRAILER IN-LINE CONNECTOR
TRAILER WIRING (BLUNT CUT)
TRL L TRN FUSE
TRL PRK FUSE
TRL R TRN FUSE
TRL R TRN FUSE TRL PRK FUSE
TRLR B/U FUSE
TURN/ HAZARD SWITCH
UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT, NEAR BATTERY)
UTILITIES ONLY
VEH B/U FUSE
WHT WIRE
YEL WIRE
Go to component -> Trailer/camper adapter circuit -> HEAVY DUTY TRAILER WIRING
