[Jimstepside]

I wired a relay as per the instructions that came with the adapter, but it was affecting my radio. I called PAC and they told me I didn't need it. Red wire to ignition 12v, black wire to ground, the reverse signal wire to the reverse output from the truck in the junction box under the dash, and that was it. Works great. My camera is a flush mount that I mounted in the rear bumper, and that I wired to ignition 12v and ground, and plugged the video cable into the PAC adapter. The camera is powered up whenever the truck is on but no display unless in reverse or I hit the toggle switch.