FIT VEHICLES: Wiring Harness replacement for Chevy: 02-13 Silverado 1500, 02-10 Cobalt, 02-08 Avalanche 1500 2500, 04-08 Colorado 96-05 Astro, 98-05 Blazer, 04-05 Classic, 01-07 Express 1500, Express 3500, 96-07 Express 2500, 06-10 HHR, 01-13 Impala, 03-06 Suburban 1500 2500, 03-14 Tahoe | FIT VEHICLES: Replacement for 02-08 Trailblazer, 02-06 Trailblazer EXT, 01-05 Venture, 01-07 Malibu, 01-07 Monte Carlo, 97-04 S10, 12-15 Sonic, 07-08 Corvette, 94-04 S10 Pickup. for Buick: 2000-2004 Century, 2006-2007 Lacrosse, 1995-1999 LeSabre, 1995-2004 Park Avenue, 2006 Rainer, 1984-2004 Regal, 2002-2006 Rendezvous | FIT VEHICLES: Replacement for 1996-1999 Riviera, 1995-1996 Roadmaster, 1987-1998 Skylark, 2006 Terraza. For Cadillac:1988-1993 Coupe de Ville, 1999-1995 DeVille, 1996-2002 El Dorado, 1999-2006 Escalade, 1995-2004 Park Avenue, 2002-2006 EXT, 1993-1996 Fleetwood, 1992-1995 Seville | FIT VEHICLES: Replacement for GMC :2004-2008 Canyon, 2002-2008 Envoy, 2002-2006 Envoy XL, 2004-2005 Envoy XUV, 2003-2005 Safari, 2003-2007 Savana 1500, Savana 2500, Savana 3500, 2005-2006 Sierra 1500, 2007 Sierra 1500 Classic, 2003-2006 Sierra 1500 HD, 2007 Sierra 1500 HD Classic, 2012-2014 Yukon, 2012-2014 Yukon XL 1500, 2012-2013 Yukon XL 2500 | PREMIUM QUALITY: 72-4568 Wiring Harnesses are easy plug and play without having to cut factory wires, No wiring anymore and no cutting needed , just plugs right into the factory car. Speaker adapter fit perfectly and made quick work of the connection job. Speaker Connector will work great on your car and the music plays better