4-Way trailer harness connects to your tow vehicle to control trailer light functions. Wishbone-style harness comes with 2 tail light wires split for simple wiring.

This wishbone-style, 5-wire flat harness is great for a trailer with a surge coupler. The 40' long harness includes a 4' long ground wire and a blue auxiliary wire that signals your trailer brakes to disengage while you are in reverse.

5-Way trailer harness connects to your tow vehicle to control trailer light functions. Wishbone-style harness comes with 2 tail light wires split for simple wiring. Auxiliary wire signals trailer brakes to disengage when in reverse.

This wiring harness provides a simple, efficient method for rewiring your trailer with a 4-pole flat trailer-end connector. The wishbone-style harness has an extra tail light wire that makes it easier to wire your trailer.