Chevy Trailblazer No Headlights Easy Fix

A friend was having trouble with his headlights not working on good Chevrolet Trailblazer. He had a mechanic spend two days on it and got no where. He had already verified the bulbs and the fuses were in good working order. The fix was quick. If you need the part and can't locate it locally you can purchase it here: https://amzn.to/2DcJXcD Hope this helps someone!