GMC sierra 2002 Manuale Utente

Your vehicle is equipped with one of the following
wiring harnesses for towing a trailer or hauling a
slide

-

in camper.

All regular, extended cab crew cab pickups have a
six

-

wire trailer towing harness.

The six

-

wire harness is located at the rear of the vehicle

and is tied to the vehicle’s frame. The harness requires
the installation of a trailer

-

wiring harness connector,

which is available through your dealer.

The six

-

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)

If you need to upgrade your vehicle to heavy

-

duty

trailering, a brake controller harness and an underbody
harness with a seven

-

pin universal heavy

-

duty trailer

connector are available from your dealer.