Electric Trailer Brake Control Wiring Provisions

GMC Acadia / GMC Acadia Owners Manual / Driving and Operating / Towing / Towing Equipment / Electric Trailer Brake Control Wiring Provisions

These wiring provisions for an electric trailer brake controller are included with the vehicle as part of the trailer wiring package.

The instrument panel contains blunt cut wires behind the steering column for the electric trailer brake controller. The harness contains the following wires:
• Red/Black: Power Supply
• White: Brake Switch Signal
• Gray: Illumination
• Dark Blue: Trailer Brake Signal
• Black: Ground

The electric trailer brake controller should be installed by your dealer or a qualified service center.

    See also:

    Diagnostics
    OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehic ...

    Fast Idle System
    If the vehicle has this feature it is available only with cruise control. The manual fast idle switch is operated using the cruise control buttons located on the left hand side of the steering wheel. ...

    Radio Frequency Identification (RFID)
    RFID technology is used in some vehicles for functions such as tire pressure monitoring and ignition system security, as well as in connection with conveniences such as key fobs for remote door lockin ...