07 headlight harness | eBay Find great deals on eBay for 07 headlight harness. Shop with confidence. Skip to main content. eBay Logo: 2007-2013 GMC SIERRA HEADLIGHT WIRING HARNESS NEW GM # 15841610 #10 on Diagram Only-Genuine OE Factory Original Item. Volvo Left / Right HID Xenon Headlight Outer Wire Harness Plug for S60 V70 05-07 See more like this. Headlight wiring harness - 2000-2014 Silverado & Sierra HD Jan 06, 2004I'm confused here: Painless was the first reputable company to offer a wiring harness to allow all 4 lights to remain on when in high beam. I have a 2000 GMC Sierra and put their harness in last year. On low beam, I can use the fog lamps as the factory setup.