2011 Chevrolet Silverado 1500 Regular Cab Owner's Manual - Page 393

Driving and Operating ... 9-109 Light Green: Back-up Lamps Red: Battery Feed Dark Blue: Trailer Brake Electric Brake Control Wiring Provisions These wiring provisions are included with the vehicle as part of the trailer wiring package. These provisions are for an electric brake controller. The instrument panel contains blunt cut wires behind the steering column for the trailer brake controller. The harness contains the following wires: . ITBC must be disconnected. Do not power both ITBC and aftermarket controllers to control the trailer brakes at the same time. Tow/Haul Mode Dark Blue: Brake Signal to Trailer Connector Red/Black: Battery Light Blue/White: Brake Switch White: Ground Pressing this button at the end of the shift lever turns on and off the Tow/Haul Mode. . . 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, an eight-wire harness with a seven-pin connector is located at the rear of the vehicle and is tied to the vehicle's frame. . The harness should be installed by your dealer or a qualified service center. If the vehicle is equipped with an Integrated Trailer Brake Control (ITBC) System, the blunt cuts exist, but are not connected further in the harness. If an aftermarket trailer brake controller is installed, the