Originally Posted by Crowz

The positive power wire aka the wire that powers the camera is run off the switch power wire from the radio.

The power antenna wire and the amp power wire booth put out +12 volts when the radio is turned on.

My camera has +12 volt and ground and an rca video cable for wires.

So the +12 volt (red wire) from the camera hooks to the blue antenna wire.

Ground goes to ground where ever is convenient.

The rca cable plugs into the backup camera rca input from the radio.