For Buick: 2005-2009 LaCrosse CX, 2005-2009 LaCrosse CXL, 2005-2008 LaCrosse CXS, 2008 -2009 LaCrosse Super, 2004 -2005 Rainier CXL Plus, 2004 -2007 Rainier CXL, 2002-2005 Rendezvous CX Plus, 2002-2007 Rendezvous CX, 2002 -2005 Rendezvous CXL Plus, 2002-2007 Rendezvous CXL, 2003-2005 Rendezvous CX Plus, 2003 -2006 Rendezvous CX, 2003-2006 Rendezvous CXL, 2004-2005 Rendezvous Ultra, 2005-2007 Terraza CX, 2005-2007 Terraza CXL. | For Pontiac: Aztek 2001-2005, G6 2005-2009, Grand Am 2001-2005, Grand Prix 2004-2008, Montana 2000-2005, Montana SV6 2005-2006, Sunfire 2000-2005, Torrent 2006. Oldsmobile: 2001 - 2004 Alero, 2002 - 2004 Bravada, 2000 - 2004 Silhouette. Saturn: 2005 - 2007 Relay | For Cadillac: 2003 -2006 Cadillac Escalade Base, 2003-2006 Cadillac Escalade ESV Base, 2003 -2006 Cadillac Escalade EXT Base. Hummer: H2 2003-2007, H3 2005-2010, H3T 2009-2010, SUT 2003-2007. Isuzu: 2003 - 2008 Ascender. | This set is to replace your factory or broken stereo harness . Do not directly plug and play, Solder connections and heat shrink tubing for best results | Not compatible with amp systems like Bose, Infinity, etc.In some case, you may had to move a pin for it to work with aftermarket stereo and get power from ignition with red cable provided to ensure there is 12 volts supply