Trailer Lights Wiring Diagram 5 Wire. I've provide three different wiring diagrams at the end of the video for a better understanding. For instance, looking at the trailer wiring diagram, if you want Auxiliary Power, but don't have back-up lights, then just leave the purple wire out.
That's why when installing trailer lights, make sure to check out the function of every wire.
All lights on your trailer would have the ground wire going to the frame or steel body.
Video tutorial on how to wire trailer lights. Cut anywhere you see a fault, then solder on a new connection, and repair the insulation After you've troubleshot the light wiring system on your trailer, you may find that you need a bit of extra support. Also, it must connect with things (if included) that use the Aux Power and.