Easy to use. Pre-stripped wires are using standardized color codes. Before installation, check the pins, not just the colors, it would be better. Plugs into factory radio replacement for GMC: 2007-2012 Acadia, 2006-2015 Savana 1500, 2006-2017 Savana 2500, 2006-2015 Savana 3500, 2007-2014 Yukon, 2010-2014 GMC Yukon XL 1500, 2009-2010 Chevy cobalt ,2007-2009 Pontiac Torrent. 2007 Hyundai santa fe.Pontiac G5 2007-2010,Pontiac Solstice 2006-2010. Replacement for BUICK Enclave 2008-2012, BUICK Lucerne 2006-2011, 2009-2010 Pontiac Vibe, CADILLAC DTS 2006-2011, CADILLAC Escalade 2007-2012, CADILLAC Escalade ESV 2007-2012, CADILLAC Escalade EXT 2007-2012, CADILLAC SRX 2007-2009, HUMMER H2 2008-2009, PONTIAC Trent 2007-2009, PONTIAC Vibe 2009-2009, SUZUKI XL-7 2007-2009. Reverse Wire Harness Into Factory Radio for 2008-2015 Express 1500, 2007-2014 Sierra 2500, 2007-2014 Silverado 1500/2500/3500. This is the OEM male connectors. Please look clear! This is not the harness to get if you are installing an aftermarket radio. If you are trying to install an OEM radio into another car or going to repair a harness where the plugs have been cut off or damaged then this is the harness. Fits the FACTORY NON-AMPLIFIED.