Wishbone Style Trailer Wiring Harness with 4-flat Connector, 25 Ft Long with 3 Ft Ground Wire 25 ft long, Wish Bone style with Two Brown Wires for easy wiring. Color Coded 18 Gauge bonded Wires, marine Grade. 3 ft ground wire with Ring Terminal Conforms to SAE J1128 Specification, 2 Year Warranty Molded 4 Way flat connector, Trailer end included, no exposed connections for excellent corrosion protection High quality copper stand marine grade wire. Ideal for trailers up to 20 ft long