Check the listing for details. Flat 4 PIN Y-Splitter Trailer LED Light Wiring Harness Connector Cable Plug US. Color: Black Plug, Condition: New, Made in China. Listed at 10.35 USD. Features 1 set of 17.5" long 4-pin Y-splitter dual output plug adapter Made with high quatliy wiring with preminum silicone housing/sockets (1) male flat 4-pin connector with 8.5 inches long wiring and (2) female flat 4-pin connector with 8 inches long wiring Perfect for Truck SUV Van RV installing trailer light applications such as tow hitch light, add-on brake/tail lamps and also truck tailgate LED light bar Description This page features iJDMTOY 4-way 4-pin Y-splitter adapter wire for the following vehicles: Universal fit for most trucks, SUVs, vans, RVs, etc. Your package will include a 17.5" long 4-pin Y-splitter dual output plug adapter. The adapter is made with high-quality wiring with premium silicone housing/sockets. Features 1 male flat 4-pin connector with 8.5-inch long wirie.