Putco 239007HW - 9007 100W Premium Heavy Duty Headlight Harness and Relay Heavy duty wiring harness and relay with 9007 plug, Connected plug is hard and insulated plastic Designed to heat proof temperatures more than 480 degrees Fahrenheit for added protection when used with high wattage bulbs Easy to replace original connected plugs Made with the highest grade material Harness is made for the headlights