2011 Chevrolet Tahoe Owner's Manual - Page 372
2011 Chevrolet Tahoe Manual
Page 372 highlights
9-88 Driving and Operating ... Heavy-Duty Trailer Wiring Harness Package Brown: Taillamps White: Ground 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 near the data link connector for the trailer brake controller. The harness contains the following wires: . *The fuses for these two circuits are installed in the underhood electrical center, but the wires are not connected. They should be connected by your dealer or a qualified service center. If charging a remote (non-vehicle) battery, press the tow/haul mode button located at the end of the shift lever. This will boost the vehicle system voltage and properly charge the battery. If the trailer is too light for tow/haul mode, turn on the headlamps as a second way to boost the vehicle system and charge the battery. Dark Blue: Brake Signal to Trailer Connector Red/Black: Battery Light Blue/White: Brake Switch White: Ground ... The vehicle is equipped with the seven-wire trailer towing harness. This harness with a seven-pin universal trailer connector is attached to a bracket on the hitch platform. The seven-wire harness contains the following trailer circuits: . . It should be installed by your dealer or a qualified service center. Yellow: Left Stop/Turn Signal Dark Green: Right Stop/Turn Signal