1999 Oldsmobile Bravada Owner's Manual - Page 203

yellowblue Trailer Wiring Harness The trailer wiring harness is an eight-wire harness assembly. The harness is stored under the vehicle, on the driver's side corner frame crossmember. The harness has a 30-amp feed wire with an inline fuse located by the junction block. See "Fuses and Circuit Breakers" in the Index. The harness does not have a connector and should be wired by a qualified electrical technician. The technician can use the following color code chart when connecting the wiring harness to your trailer. D D D D D D Light Green: Back-up lamps. Brown: Taillamps and parking lamps. Yellow: Left stoplamp and turn signal. Dark Green: Right stoplamp and turn signal. White (Heavy Gauge): Ground wire. White (Light Gauge): Auxiliary stoplamp. D Dark Blue: Use for electric trailer brakes or auxiliary wiring. starter solenoid. D Red: Use for battery charging; it connects to the Securely attach the harness to the trailer, then tape or strap it to your vehicle's frame rail. Be sure you leave it loose enough so the wiring doesn't bend or break, but not so loose that it drags on the ground. Store the harness in its original place. Wrap the harness together and tie it neatly so it won't be damaged. 4-51