YOUR VEHICLE NEEDS THIS - Swapping out old headlights for LED conversions on negative switched vehicles like Toyota, Subaru, Mitsubishi, or Suzuki, is not a simple job. But with our plug-and-play universal dual H4 headlight relay harness kit for high/low beam it can be! The compatible sockets include: 7x6 5x7 H6024 (2D1 H6054 H5054 H6054LL 6014 6052 6053)|H6024 (2D1)|4x6 6x4 (H4651, H4652, H4656, H4666, H6545)|H5006 (2C1) sealed beam headlights and more!

CONVERSION MADE EASY - Save time, money, and headache by utilizing this wiring harness to convert a negative-trigger ground-switched headlight system (2 toggled grounds + 1 constant hot) to a positive switched headlight system (2 toggled hots + 1 constant ground).

NO LOW-QUALITY PARTS HERE - Designed with two durable relays, high-temperature ceramic headlight sockets, and heat-resistant polycarbonate wire loom. This h4 headlight relay kit with wiring harness is built to last.

THE WAY IT SHOULD BE - We set out to build an LED conversion harness that would install with as little effort as possible. The result? An LED headlight H4 relay harness kit that takes only minutes to install and works every time, be a Jeep CJ7, Cherokee Xj, Wrangler JK or an older Chevy van or TOYOTA Tacoma pickup truck.

PRESERVE YOUR STOCK COMPONENTS - The beauty of this H4 relay conversion harness is that you don't need to cut into your stock wiring harness. This dramatically reduces the install time, and if you need to, even makes the process completely reversible. Trying to restore a hot-rod vehicle or positive switched headlight system? Use this H4 relay harness kit for the headlights!

BRAND-NEW & BACKED – 100% brand-new, never used, and covered by a 1-year original manufacturer warranty. Got questions? Hit us up—we’re here to help.