Description
Dual output 4 way -7 way round connector is plug and play for most of harness essentially, easily and tightly snaps into factory socket plug between your 4 way or 7 way round trailer device. Fit to trailer, RV, campers, caravan, Truck, Utility Vans, Boat..Durable structure: heavy-duty black plastic structure prevents rust and enhances appearance. Protects the internal contacts from rust or damage. The black thread loom keeps the thread contained and protects the harness for long-term use..Dust and water proof: The well-sealed spring-loaded protective cover keeps dust and water out when not in use, preventing the external environment from damaging the adapter plug..Easy installation: Screws nut and mounting plate are included. Just find a right position to install and tighten the nuts for successful installation..Ideal for DIY. It can be used to connect turn signals, taillights, reverse lights, brake lights, trailer brakes and auxiliary power also. white-ground, blue-brake light connection, yellow - Reverse light, black-12v battery power.