Check the listing for details. Universal Molded Trailer Light Plug Wiring Harness 7 Way RV 15' Cord for RV 5th. Condition: New. Listed at 39.99 USD. Universal Molded Trailer Light Plug Wiring Harness 7 Way 15' Cord for 5th Wheel RV Free Shipping Ships Same Or Next Business Day 15' Trailer Light Plug Wire Harness 7 Way Cord Connector Plug, Camper to Tow Hitch. Features: ---Wire made from high end pure copper. --- 7 Way Copper Spade Connectors molded into a heavy duty plug head. ---One cable end has the 7 Way Plug, and the other end has 7 color coated wires (for you to hook up to the proper wires on your trailer). ---Wires are coated with a thick rubber-like insulation, offering kink-free flexibility. ---Weather resistant: will not be affected by weather temperature variations . ---Yellow, Green, Brown, Red: 14 Gauge -Blue: 12 Gauge -White and Black: 10 Gauge.