1. Connect the positive and negative leads of the reverse camera to the positive and negative power supply wires of the backup light, so that the camera turns on when the backup light is on. Do not connect the camera power to the brake or tail lights. 2. Connect the reverse camera video cable to the reverse camera video input of the radio harness. Do not connect the video cable to the general video input of the radio. 3. Connect the reverse camera detecting lead from the radio harness to the positive terminal of the backup light, so that the radio automatically switches to the reverse camera input when the backup light is turned on.