Overview Warranty Information Reviews Product Description 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. Warranty Information 6 Months Product Videos Product Reviews Write a Review Write a Review × UPI 9005/9006 Headlight Relay Harness Kit Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *