Hi/Lo Relay Wire Harness
MotoControl Bi-Xenon: H4/9003B-WIR-H60-TRS
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Reality Check: Customers often ask, Do I really need a harness? Yes! A relay harness is designed to deliver steady voltage to your HID ballasts directly from the car battery. Nobody likes a flickering headlight, so why risk it? Factory headlight outputs are really only designed to power a halogen light bub, not an HID ballast.
Under Control: Morimoto makes it easy with the MotoControl H4/9003 Bi-xenon relay harness. Designed to be completely plug-n-play; it's a seamless solution to keep your low and high beams under control with the original stalk inside the car. Works perfectly with Bi-xenon projector retrofits and Hi/Lo HID systems.
Advanced: The third generation MotoControl 8-Pin Relay has a tiny built-in capacitor that stores and releases it's charge between mode changes. So even if there's a short gap between the low and high beam signals from your car, your HID's will run smoothly. It's sealed weather-pack connector is new for 2014 and is a major reliability upgrade compared to other bi-xenon harnesses.
Universal: This harness is designed to work with both positive and ground switched headlight circuits, making it universally compatible with all vehicles no matter new or old.
Plug n Play: The layout of the harness makes it easy to install. With just a few simple connections, even your mom could set this thing up! Wire lengths are long enough to be used in everything from compact cars to SUVs and it's designed to be 100% plug and play (no cutting or splicing needed).
OEM Grade: Aside from being ahead of the game from a technical standpoint, the HD relay is also a work of art. With it's wiring protected by abrasion resistant Techflex mesh sleeving and it's extruded aluminum relay shell that's been anodized and laser engraved - the MotoControl Harness will look factory fresh under the hood!
Trusted: For more than a decade, we've worked hard to earn our killer reputation. Car guys world-wide know that TRS carries the internet's best selection of high performance automotive and powersport lighting products at the best prices, and we've got the best, most knowledgeable team of real enthusiasts to help back it up. If we sell it, then you bet we've put it to the test on our own cars, trucks, and bikes. Need a recommendation on parts for your project? Got a tech question? Wholesale inquiry? Contact us!
RELAY HARNESS: 1x Morimoto H4/9003 Bi-Xenon
RELAY: 1x Gold WeatherPack MotoControl Low/High
WARRANTY: 2 Years
NOTE: One Harness Controls Both Headlights
SWAG: Morimoto Decal
STOCK BULB SIZE: H4, 9003, HB2, H6054 (Single Low/High)
SYSTEMS: Bi-Xenon Projectors & Telescoping Hi/Lo HID Bulbs
HALOGEN BULBS: Not Compatible
OTHER BRANDS: May need High Beam Adapters
INPUT TRIGGER: 1x H4/9003 Male
BALLAST OUTPUTS: 2x 9006 Female
HIGH BEAM OUTPUTS: 2x 9006 Female
GROUNDS: 2x Nickel-Plated Ring-Type
12V POWER: 1x Nickel-Plated Ring-Type
FUSE: Inline 25A
I purchased and installed a d2s universal kit with this relay harness included. It has performed 100% until this evening, 5 years and 2 months later it developed a short in the harness. I have ordered a replacement, so I will keep my relay box as a spare since it still works just fine.