Karavan Trailer Wiring Diagram. I drew this crude diagram to help explain. Some additional generic wiring diagrams for you to download and print off.
Either buy an adapter that will go into your existing harness, usually up under, near rear bumper, you. If the trailer plug wiring on your vehicle or trailer is damaged or not working correctly, you can replace the connector with a CURT splice-in plug or socket. I hope this helps some folks, because it's pretty tough finding this online.
External lighting wiring diagram as used on most trailers & caravans.
Either buy an adapter that will go into your existing harness, usually up under, near rear bumper, you.
You must check the trailer manual to see if the wiring is correct, but normally the white wire is. I drew this crude diagram to help explain. This page has wire diagrams for many electric options including wires for trailer lights, brakes, alt power and connectors.