1. 4-way flat wiring harness extension with a male and female end
2. The 4 flat light connector can give you extra length of tow light, hitch light, trailer light wire, trailer wiring, etc. and replace or fix the broken wires. It also can be used for trouble shooting to check if the light circuits are working
3. Plug and Play Connection.You do not need to cut the original harness to add wires. Color coded wire directly match the trailer wire system for easy and safe connection
4. Most commonly used for all types of trailers including marine boat trailer, horse trailer, ATV trailer, and other cargo utility trailer hitches which have a standard 4-pin plug
5. It is made of superior materials, heavy duty 18 gauge pure copper core covered by PVC with UV, PVC plug with stain nickel plated copper terminals inside. Sealed and anti-corrosion.