Product Link: 2020-2021 GMC Sierra 2500/3500 HD DRL Boards
Step 1: Test your Product. This ensures no manufacturing defects are in the LEDS, and that you understand how to wire your product properly. See the wiring guide that comes with your product or visit our Wiring Guide.
Step 2: Remove your bumper to access headlights.
Step 3: Open your headlights. (*Headlights can be safely opened and resealed using the process outlined in the video below)
Step 4: Install your LED Product into your headlights.
Step 5: Reseal your headlights (see video above) or click here for full guide.
Step 6: If you haven't already, wire your LED Product onto your car using the included wiring guide or see our general wiring guide.