The 2007 GMC Yukon is equipped with the following wiring harnesses for towing a trailer. The seven-pin connector , is located at the rear of the vehicle and is tied to the vehicle’s frame. The harness connector can be plugged into a seven-pin universal heavy-duty trailer connector available through your dealer.

The seven-wire harness contains the following trailer circuits:

  1. Yellow: Left Stop/Turn Signal
  2. Dark Green: Right Stop/Turn Signal
  3. Brown: Taillamps
  4. White: Ground
  5. Light Green: Back-up Lamps
  6. Red: Battery Feed
  7. Dark Blue: Trailer Brake

The following diagram is just an illustration of the 2007 GMC Yukon 7 pin .

2007 GMC Yukon Seven-Pin Trailer Wiring Harness

Related Post

1998 BMW E36 (Series 3, Convertible, Touring) Electrical Schematic Diagram
BMW 325e Electrical Wiring Diagram 1985
1997 Toyota Corolla Headlamp Headlight Electrical Schematic
Acura RSX Charging System Circuit
1998 Chevrolet Blazer Blower Motor Control Module Circuit Diagram