2007 chevrolet silverado headlight wire harness | eBay Find great deals on eBay for 2007 chevrolet silverado headlight wire harness. Shop with confidence. 2007.5 Silverado headlight wiring harness melting Apr 20, 20122007.5 Silverado headlight wiring harness melting.. WARNING: BORDERLINE TECH Well the title states, I've got a 2007.5 Silverado. Passenger side headlight went out, didn't think much of it. Went to change bulb, headlight was still out. I pulled the quick disconnect at the back of the bulb and noticed it was a little melted/black.