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H4 Headlight Relay Upgrade Wiring Harness (DIY-H4HLRH)

Headlight Conversion Harnesses - Free Shipping on Orders
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H4 Upgraded Headlight Harness - K Suspension
H4 Wiring Harness Upgrade for any vehicle with the H4 light plug Increase your OEM lighting output by a minimum of 50% (usually more)Save your light switch from burning up like they always doTake the load off the system and wire your lights directly to the battery!Plug 'n Play designNo wiring needed Watch our video below for some guidance on how the install will go!
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