Trailer Wiring Diagram For 2015 Gmc. You may need to locate a specific color wire. Neither Terrain had/has the factory tow package included.
Or at least tell me which wire is the reverse wire? You may need to locate a specific color wire. Let's see what types of connectors the trailer light wiring industry uses today.
Neither Terrain had/has the factory tow package included.
Note: Identify the wires on your vehicle and trailer by function only.
If you run into an electrical problem with your GMC, you may want to take a moment and check a few things out for yourself. Can anyone point me to a wiring diagram for the towing adaptor? When issues happen using the trailer, motorist might wish to know where the problem spot is located.