-Heavy gauge wiring and split loom for outer protection from heat in the engine bay.
-Hooks directly up to the car battery, thus increasing the light output and ability to withstand high wattage bulbs. -Uses two relays for high and low beams (Relays Included)
-Boost the performance of your headlights by increasing the voltage to them.
-Increases voltage over stock wiring making your headlights +50% brighter or more and whiter color light.
A must for high wattage halogen bulbs. Will dramatically improve performance over thin stock wiring by giving your headlights full/maximum power.
suvlights.com H4 Heavy Duty Headlight Wiring Harness
Comments: Easy install, provides an added element of safety to using headlights. Good to add when just using stock or aftermarket headlight, a must if you upgrade to X51 fatboy bulbs or other similar style bulbs.