< Back WM-GM3A
This harness also includes an antenna adapter to connect the aftermarket radio to the OEM antenna.
  • Plugs into car harness at radio (21 pin)
  • 5”
  • Fits GM factory antenna
  • Mini barbed or barbless plug to aftermarket radio
None at this time
Buick
  • Century 1988-1996
  • Electra 1988-1990
  • Le Sabre 1988-1994
  • Park Avenue 1988-1994
  • Riviera 1986-1995
  • Roadmaster 1991-1994
  • Skylark 1987-1995
  • Skyhawk 1988-1989
Cadillac
  • Coupe DeVille 1988-1993
  • DeVille 1988-1995
  • Eldorado 1988-1991
  • Escalade (ESV and EXT included) 1999-2002
  • Seville 1988-1991
Chevrolet
  • Astro Van 1991-2005
  • Avalanche 2002-2002
  • Beretta 1991-1996
  • Beretta (AC) 1988-1990
  • Beretta Non AC) 1988-1990
  • Blazer (Full Size) 1992-1994
  • Blazer (with DIN and 1/2 Radio) 2002
  • Blazer 1998-2001
  • Camaro 1990-2002
  • Caprice 1991-1996
  • Cavalier 1991-1999
  • Celebrity 1990
  • Corsica 1991-1996
  • Corsica (AC) 1988-1990
  • Corsica (Non-AC) 1988-1990
  • Express Van (full size) 1996-2000
  • Impala SS 1994-1996
  • Lumina 1990-2001
  • Lumina APV 1990-1996
  • Malibu 1997-2000
  • Monte Carlo 1995-1999
  • CK Pickup (2001-up—see Silverado) 1995-2000
  • CK Pickup (Full Size) 1988-1994
  • S-10 Blazer (98-up see Blazer) 1995-1997
  • S-10 Blazer 1990-1994
  • S-10 Pickup (with DIN and 1/2 radio) 2002
  • S-10 Pickup 1989-2001
  • Silverado Pickup 1999-2002
  • Suburban 1992-2002
  • Tahoe 1995-2002
  • Van (Full Size) Express 1996-2000
  • Van (Full Size) 1988-1995
  • Venture Van 1997-1999

GM 1988-2013

GMC
  • Envoy 1998-2001
  • Jimmy/Envoy 1998-2001
  • Jimmy 1994-1997
  • Jimmy (Full Size) 1988-1991
  • Sierra 1988-2002
  • Savana Full Size Van 1996-2000
  • Sonoma (with DIN and 1/2 radio) 2002
  • Sonoma 1998-2001
  • S-15/Sonoma 1993-1997
  • Safari Mini Van 1991-2005
  • Suburban 1992-1999
  • Van (Full Size) 1988-1995
  • Yukon / Denali 1995-2002
  • Yukon XL 2001-2002
  • Yukon 1992-1994
Isuzu
  • Hombre 1996-2001
Oldsmobile
  • Achieva 1992-1995
  • Bravada 1991-1997
  • Cutlass Calais 1990-1991
  • Cutlass Ciera 1988-1996
  • Cutlass Supreme 1990-1994
  • Eighty-Eight 1989-1993
  • Ninety-Eight 1989-1993
  • Silhouette 1997-1999
  • Silhouette APV 1990-1996
  • Toronado 1988-1993
Pontiac
  • 6000 1990-1991
  • Bonneville 1992-1999
  • Firebird/Trans AM 1990-2002
  • Grand AM 1990-2000
  • Grand Prix 1988-2003
  • Montana Mini Van 1999
  • Sunbird 1989-1994
  • Sunfire 1995-1999
  • TransSport APV 1990-996
Saturn 1995-1999
  • SL1/SL2/Sport Coupe 1991-1994

Wiring diagram for adding an amplifier & speakers to your ride