Camper/Fifth-Wheel Trailer Wiring Package

GMC Sierra / GMC Sierra Owners Manuals / Driving and Operating / Towing / Towing Equipment / Camper/Fifth-Wheel Trailer Wiring Package

The seven-wire camper harness is located under the front edge of the pickup box on the driver side of the vehicle, attached to the frame bracket. A connector must be added to the wiring harness which connects to the camper.

The harness contains the following camper/trailer circuits:
• Yellow: Left Stop/Turn Signal
• Dark Green: Right Stop/Turn Signal
• Brown: Taillamps
• White: Ground
• Light Green: Back-up Lamps
• Red: Battery Feed
• Dark Blue: Trailer Brake

If the vehicle is equipped with the “Heavy-Duty Trailering” option, please refer to “Heavy-Duty Trailer Wiring Package” earlier in this section.

If the vehicle is equipped with the “Heavy-Duty Trailering” option, please refer to “Heavy-Duty Trailer Wiring Package” earlier in this section.

When the camper-wiring harness is ordered without the heavy-duty trailering package, a seven-wire harness with a seven-pin connector is located at the rear of the vehicle and is tied to the vehicle's frame.

    See also:

    How to Add Coolant to the Coolant Surge Tank for Gasoline Engines
    If the vehicle has a diesel engine, see “Cooling System” in the Duramax Diesel Supplement for the proper coolant fill procedure. WARNING You can be burned if you spill coolant on hot engine part ...

    Manual Liftgate
    To unlock the liftgate, press the power door lock switch or press on the Remote Keyless Entry (RKE) transmitter twice. See Remote Keyless Entry (RKE) System Operation on page 2‑3. To open the ...

    Brake System Messages
    BRAKE FLUID LOW This message is displayed when the brake fluid level is low; see Brake Fluid on page 10‑24. RELEASE PARKING BRAKE This message is displayed as a reminder that the parking br ...