2010 Chevy 2500hd Trailer Wiring Diagram. 7way black is 12volt power brown running lights yellow is left turn signal and stop light green is right turn signal and stop light white is ground blue is brakes and orange is aux power can be back up lights if trailer equipped w them. Red 12 volt auxiliary power.
6way is the same minus orange wire. Combined wiring system brake and turn signals are sent along the same wire. For chevrolet silverado gmt900 second generation 2010 2011 2012 2013 model year.
I have a 2020 3500 chev pk up with factory brake control wiring.
Heres the diagram for 7 pin connector. White on the truck goes to white on. The tag should also have the wire functions on it but we have learned that they are as follows. Chevrolet silverado 1500 chevrolet silverado 2500 chevrolet silverado 3500.