LoD Offroad LED Light Kit Wiring Harness is a 12ft Relay Wiring Harness for LED Lights 12V 40A Relay & 3-Pin On/Off Rocker Switch for use on Jeeps and other Off-Road Vehicles. This wire harness is perfect for cars, trucks, off-road utility vehicles, and even trailers. Each wiring harness kit features a 40A relay, waterproof on/off switch and waterproof fuse holder. The LoD Offroad premium wiring harness comes complete with female blade terminals to ensure proper connection. Quick and easy installation with included wiring diagram makes installing our wiring harness kit simple, even for beginners. The high-quality craftsmanship with the 12ft wiring harness kits are UL approved and work with a variety of on/off-road vehicles.