GMC 2001 C3 User Manual

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Trailer Wiring Harness
Heavy-Duty Trailer Wiring Package
Your pickup is equipped with the eight-wire trailer
towing harness. This harness with a seven
-pin universal
heavy
-duty trailer connector is attached to a bracket on
the platform hitch.
The Center High
-Mounted Stoplamp (CHMSL) wire
is tied next to the trailer wiring harness for use with a
trailer, slide-in camper or cap.
The eight
-wire harness contains the following
trailer circuits:
D Yellow: Left Stop/Turn Signal
D Dark Green: Right Stop/Turn Signal
D Brown: Taillamps
D White: Ground
D Light Green: Back
-up Lamps
D Light Blue: Center High
-Mounted
Stoplamp (CHMSL)
D Red: Battery Feed
D Dark Blue: Trailer Brake
A jumper harness for an electric trailer brake controller
and a trailer battery feed fuse are included with this
trailering package. (See “Instrument Panel Jumper
Wiring Harness” later in this section.)
If you need to tow a light-duty trailer with a standard
four
-way round pin connector, an adapter connector is
available from your dealer.

GMC 2001 C3 Specifications

General

Brand	GMC
Model	2001 C3
Category	Automobile
Language	English