7 Pole Trailer Wiring Diagram Chevy 1500. If you havent purchased the plugs yet. Click on the image below to enlarge it.
The second diagram shows two brake lights two indicators two side lights and a fog light. If you are using used plugs ck the back of the plugs for color or function of wire. Red 12 volt auxiliary power.
Using an adapter lets you avoid having to splice into the vehicles wiring system.
Green pin yellow pin for right brake light and turn markers. My truck does have the towing package harness. White pin for the floor. Green pin yellow pin for right brake light and turn markers.