The harness is ONLY compatible with non-amplified factory systems; Easy to install: Pre terminated with butt connectors to save install time; Without cutting any OEM wiring harness Fit for Chevrolet Astro 1992-2005, Avalanche 2001-2002, Beretta 1991-1996, Blazer Fullsize 1989-1994, Blazer S10 1999-2001, C/K pickup fullsize 1988-1995, Camaro 1990-2002 W/O bose For GMC Envoy 1998-2001, Jimmy 1989-1991, Jimmy S-15 1992-2001, Pickup, Fullsize 1988-1998, Pickup S-15 1992-1993; Oldsmobile 88 Royale 1987-1991, Achieva 1991-2001, Cutlass Calais 1988-1996, Cutlass Supreme 1989-1994 Replacement for Cadillac Brougham 1987-1992, Deville 1988-1995, Eldorado 1999-2002, Escalade 1992-2002; Saturn SC 1991-1999, SL 1991-1999, SW 1991-1999, SC2 1991-1999, SL2 1991-1999, SW2 1991-1999 GM01-2095 compatible with Buick Ctntury 1988-1996, electra 1988-1990, le sabre 1992-1994, park avenue 1998-1994, Reatta 1989-1991; Pontiac Bonneville 1992-1999, Firebird 1990-2003, Grand AM 1998-2000, Grand Prix 1988-2003, Montana 1997-1999, Sunbird 1989-1994 Car Radio Wiring Harness w/Antenna Adapter Compatible with 1988-2002 GM Chevrolet GMC Buick Cadillac Install Aftermarket Stereo Adapter w/Wire Connector Butt