If you have a locking tailgate, please follow the cable from the existing handle to where it's plugged in. Replace plug with cable from new handle camera. Attaching picture for reference. Picture is in IO4/5/6 vehicles. In IOB vehicles with auto-locking tailgate, please trace original cable (fatter cable) from tailgate and replace with our cable. You can see this cable in the picture above. It's the right of the ports.