This OEM Harness is compatible with the RAM 1500 (2009-2012), RAM 2500 / 3500 - (2010-2012), RAM 4500 - (2013-2017). This harness provides an easy and convenient way to connect our cameras to the built-in radio/display in your pickup truck. Avoid the lengthy time it takes to run cabling through your truck, use your truck's built-in wiring system instead. This OEM harness comes with a 6" 4 Pin Female to 5 Pin Female adapter for an easy and hassle-free connection to our cameras. ***Are you a fleet/outfitter? Please call us before purchasing to verify connection. ***Please Note: In order to use this harness you must be replacing an existing OEM camera or have a camera ready vehicle. ***Note: Before installing the camera - make sure the monitor is flashed to read the cameras.