H4 RELAY HARNESS DIAGRAM

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!
Headlight Relay Harness Kit - Speedway Motors
This harness is designed to work on vehicles that have a total of two (three prong) headlights, where each of the two headlights function as both a high and low beam. If you intend to use this harness on a vehicle that has seperate bulbs for low and high beams (like a 69 Chevelle), modification to this harness is required which is not detailed
How to wire headlight relays - YouTube
Jun 28, 2017This video is a detailed walkthrough of the American Autowire headlight enhancement relay kit. Our kit includes separate relays for the high and low beams as..
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