M manutee New member Joined Sep 10, 2013 Messages 1 Reaction score 0 Points 0 Sep 10, 2013 #1 I have a 04 GMC 2500 Duramax, I have no left side blinkers for the trailer wiring. I took the factory plug apart and have no power to the terminal. Running and brake lights work on the trailer connection, and everything works on the truck.
I have a 04 GMC 2500 Duramax, I have no left side blinkers for the trailer wiring. I took the factory plug apart and have no power to the terminal. Running and brake lights work on the trailer connection, and everything works on the truck.
