Check the listing for details. Car Stereo Add Amp Amplifier Adapter Interface for some 2000-2012 GM Chevrolet. Condition: New. Listed at 35.95 USD. Brand NewUse this adapter to add an aftermarket amp to the factory system. Product Details: Use this adapter to add aftermarket amplifiers to your factory stereo system the right way with this Plug and Play adatper. For adding a bass amp for woofer/subwoofer.Adjustable gain output. Plug in installation retains factory wiring integrity Remote turn on wire for one amp remote turn on connection Works with the following vehicles: Buick:2004-2005 Century 2005-2009 LaCrosse2004-2007 Rainier2002-2007 Rendezvous2005-2007 Terraza Chevrolet:2003-2006 Avalanche2000-2005 Cavalier2004-2012 Colorado2001-2007 Express 2000-2005 Impala2003-2009 Kodiak2001-2003 Malibu2004-2005 Malibu Classic2000-2001 Metra 2000-2005 Monte Carlo2000-2003 Prizm 2003-2005 S10 Blazer 2003-2004 S10 Pickup 2003-2006 Silverado2007 Silverado Classic2003-2006 SSR2003-2006 Suburban2003-2006 Tahoe1998-2004 Tracker 2002-2009 Trailblazer2005-2008 Uplander GMC:2004-2012 Canyon2002-2009 Envoy2001-2007 Savana2003-2006 Sierra2007 Sierra Classic2003-2004 Sonoma 2003-2009 Topkick2003-2006 Yukon Hummer:2006-2010 H3 Isuzu:2003-2008 Ascender Pontiac:2001-2005 Aztec2001-2005 Grand Am2004-2008 Grand Prix2000-2005 Montana2000-2005 Sunfire2003-2008 Vibe Saab:2005-2009 9-7x Saturn:2005-2007 Relay