Question:
I have only 2v on the green blk 12v terminal at the truck. All the rest are fine
asked by: Glen P
Expert Reply:
On your 2000 GMC Yukon XL 2500 there are a few connections you need to make under the hood to activate the brake controller wiring of the vehicle. If you check out the attached link on this page you'll see all the steps needed to activate all of it.
Pollak Metal 7-Pole, RV-Style Trailer Socket - Vehicle End
