How to wire the DRL harness? - AlphaRex Performance Headlights One of the key features of our headlights is to have the ability to run the DRL strips in the day without having to activate any of your lighting controls manually. The way to do this is by wiring the harness that is included with your headlightsnding on the headlights feature you get, there will be two types of DRL harness. For headlights with activation light and sequential signal Buy Headlight Projector at Amazon - Find Headlight Projector AdLooking for Headlight Projector? Enter your vehicle information to find parts that fitAmazon Kindle · Prime Same Day Shipping · Today's Deals · Gift Cards