Left & Right Side Tail Light Lamp Wiring Harness Compatible with Chevy Silverado 1500 2500 3500 GMC Sierra 2003-2007. Compatible with Chevrolet Silverado 1500 Classic Tail Light Wiring Harness 2007. Compatible with Chevrolet Silverado 1500 HD Tail Light Wiring Harness 2005-2006.