HIGH QUALITY HARNESS YOU WILL NEED THIS HARNESS IF YOU ARE CHANGING YOUR RADIO.  THE AFTERMARKET RADIO WIRES CONNECT TO THESE WIRES COLOR FOR COLOR, YOU THEN PLUG IT INTO THE FACTORY HARNESS AND YOU'RE READY TO GO! COMPATIBLE WITH THE FOLLOWING VEHICLES: CHEVROLET Chevrolet Imapla 2000-2006 Chevrolet Impala SS 1994-1996 Chevrolet Lumina 1990-2001 Chevrolet Malibu Classic 2004-2005, 2008 Chevrolet Malibu/Malibu Maxx 2004-2007 Chevrolet Malibu 1997-2003 Chevrolet Monte Carlo 1995-2007 Chevrolet CK Pickup 1995-2000 Chevrolet S-10 Blazer 1995-1997 Chevrolet S-10 Pickup 1994-2001, 2003-2004 Chevrolet S-10 Pickup with Double-DIN Radio 2002 Chevrolet S-10 Pickup with DIN & 1/2 Radio 2002 Chevrolet Silverado Pickup with OE NAV 2012-2013 Chevrolet Silverado Pickup without OE NAV 2012-2013 Chevrolet Silverado Pickup 1999-2002, 2007-2011 Chevrolet Silverado Pickup Classic 2007 Chevrolet Silverado Pickup (all models) 2003-2006 Chevrolet Sonic 2012-2013 Chevrolet Suburban 1995-2006 Chevrolet Tahoe 1995-2013 Chevrolet Tahoe with OE NAV 2012-2013 Chevrolet Trailblazer 2002-2009 Chevrolet Van (full size) Express 1996-2007 Chevrolet Venture Van 1997-2005 GMC GMC Canyon 2004-2012 GMC Denali 2003 GMC Envoy 1998-2009 GMC Jimmy/Envoy 1998-2001 GMC Jimmy 1995-1997 GMC Sierra Classic 2007 GMC Sierra 1995-2006 GMC Savana Full Size Van 2003-2007 GMC Sonoma 1998-2001, 2003-2004 GMC Sonoma with Double-DIN Radio 2002-2003 GMC Sonoma with DIN & 1/2 Radio 2002 GMC S-15/Sonoma 1994-1997 GMC Safari Mini Van 1996-2005 GMC Suburban 1995-1999 GMC Yukon/XL/Denali with OE NAV 2012-2013 GMC Yukon/Yukon XL 2003-2006 GMC Yukon Denali 1995-2006 GMC Yukon XL 2001-2002 HUMMER Hummer H2 2003-2007 Hummer H3 2006-2010 ISUZU Isuzu Ascender 2003-2008 OLDSMOBILE Oldsmobile Achieva 1992-1995 Oldsmobile Alero 2001-2004