FOR VEHICLES WITHOUT FACTORY SLIDING REAR WINDOW ONLY
This adapter harness plugs into a connector by your parking brake area and will stub out your factory camera wiring into a male RCA plug. From there you will run the RCA cable to your aftermarket navigation camera input.
2009-2013 Silverado, Sierra, and HD trucks, as well as 2014 “classic” body style trucks with factory installed rear camera and without power sliding rear window.
If you have a sliding power rear window you need part number CS-GMMBH-CONV-P.