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H4 headlight relay harness kit. Sends high amperage to headlamps. Corrects dim lights on classic cars and hot rods. Works on original style 6014 sealed beams. Works with any 12V DC system.
Sends high amperage to headlamps. Corrects dim lights on classic cars and hot rods. Select proper kit to match your type of headlamp bulbs. 12 volt.
Easy and straight forward solution to converting the car or truck's 9005 harness to use with H4 type headlights. Replacement adapter for United Pacific projection headlights with 9005 bulbs.
Easily convert UP 9005 connector type headlights to use on any H4 headlight system. For use with high beam application.
Easily convert UP 9005 connector type headlights to use on any H4 headlight system. For use with low beam application.
