H4: Single Output Motocycle

Power Delivery: A relay harness is designed to deliver steady voltage to your HID ballasts directly from the bike's battery. Nobody likes a flickering headlight, so why risk it? Factory headlight outputs are really only designed to power a halogen light bub, not a HID ballast. One of a Kind: The Morimoto H4 Single-Lamp Motorcycle specific harness is the first truly high quality relay harness designed for retrofitting single headlight motorcycles with xenon projectors. We're proud to offer it! What's the Difference: The wire lengths are designed to be more ideal for the layout on a motorcycle. Unlike a normal harness, which is designed for a car's engine bay that has to be modified, this one should be ready to go out of the box. Light Up: Each harness will power one HID ballast and one bi-xenon projector/bulb solenoid, perfect for a bi-xenon projector retrofit into a single headlight on your Motorcycle. Don't Skimp: As an important part of a finished headlight upgrade, don't skimp o