Heavy Duty Trailer Extension Cord: Power your trailer with our 7 way trailer wiring harness kit , with junction box included. Order and secure your electric connections at the same time, and avoid short-circuits and unsafe electric junctions. Color-Coded Trailer Wiring Kit: This trailer power cable is easy to connect thanks to its color-coded wires. Each color represents a part of the trailer to which it supplies power. One important and easy rule is to recognize white wire as ground and black wire as auxiliary wire. Strong and Weather Resistant. GearIT trailer cable cord with 7 gang electrical junction box performs flawlessly in demanding weather situations. It can withstand prolonged exposure to the sun, rain, snow, and temperature changes. Flexible and Efficient Cable Extension Cord: The PVC extension allows you to connect your caravan or trailer without problems. Additionally, its pure copper connectors give you a meager electric resistance and a better performance. Energize your World Everywhere. 7 pin trailer plug and trailer wiring kit keeps your whole vehicle connected during any trip without worries. GearIt gives you heavy-duty and easy-use products to ensure you're always connected