Customizable 6 high Mod ＆ 8 high Mod for 2003-2007 Chevy Silverado & Sierra 1500/2500/3500 Classic | Low Beams DRL Fog Lights Stay On with High Beams | Plug & Play Installation. This Mod Compatible with 2003-2006 Avalanche 1500/2500, 2003 Silverado 1500 HD, 2007 Silverado 1500 Classic/ HD Classic, 2007 Silverado 2500 HD Classic, 2007 Silverado 3500 Classic/3500 HD.
