2008 Gmc Sierra Trailer Wiring Diagrams. Red 12 volt auxiliary power. Green pin yellow pin for appropriate brake light and turn markers.
Dont forget to bookmark 2006 gmc sierra trailer wiring diagram using ctrl d pc or command d macos. Heres the diagram for 7 pin connector. Print the electrical wiring diagram off and use highlighters to trace the signal.
1 trick that we 2 to printing a similar wiring plan off twice.
Expert trailer wiring advice with thousands of helpful question. Gmc sierra 1500 2008. Blue pin for electrical brakes. Here is the diagram for 7 pin connector.