Product Details: Dual Output Trailer Wiring Harness: 7-Pin RV Blade & 4-Pin Flat Wiring Harness The Nilight Dual Output Trailer Wiring Harness Adapter is a great upgrade for a variety of vehicles with the USCAR 7-Pin connector. It features both standard 4-pin connectors and 7-pin plugs in case you have multiple trailers with different connectors, adding versatile towing capabilities. The connectors can be used to connect tail lights, brake lights, turn signals, reverse lights, trailer brakes, and auxiliary power. Fitment: For 2005-2022 Nissan Frontier For 2005-2015 Nissan Xterra For 2005-2012 Nissan Pathfinder For 2009-2012 Suzuki Equator Package List: 1 * 4 Pin Flat Wiring Harness for RV Trailer 7 Way What makes you choose our products 1. High Quality The raw materials are strictly tested for high quality.