Relay Harness: MotoCycle Single Output (H4) Chevrolet ALPHAREXÂ Is a relatively new

ALPHAREX Is a relatively new brand in the automotive aftermarket industry

After many simulations

Added Safety: Includes a brake light function for enhanced on-road safety

as these headlights are designed to be plug-and-play

easily the one that gets our nod of approval

Relay Harness: MotoCycle Single Output (H4) Chevrolet ALPHAREXÂ Is a relatively newPower Delivery: The MotoCycle relay harness is designed to deliver steady voltage to your HID system directly from the bike's battery. Factory headlight outputs are really only designed to power a halogen light bulb and with the not so stable electrical systems on motorcycles that could mean bad news for the longevity of your upgraded headlights without a harness. One of a Kind: The Morimoto H4 Single Lamp Motorcycle specific harness is the first and