If you have the 5 wire trailer wireing, You are good to go. If you only have 4, Then you would need to get the 5 wire plug.
You just tap into the blue back up selonoid release wire and run a wire to the back. The RED LED's turn WHITE when in REVERSE... No mounting or ugly wiring to do.
I bought mine here>>> https://www.4statetrucks.com//lighti...tion_40232.asp
They are not as bright as I hoped, But still better than I had.