Product Features: Speaker Harness for Select GMC and Chrysler Vehicles, Connects speakers to the factory harness Authorized Internet Dealer, 1-year Manufacturer. Compatibility List: Cadillac - 1982-1988 Cimarron. Chevorlet - 1988-1991 Blazer Full Size, 1992-1994 Blazer Full 4WD. Chrysler - 1983 E-Class, 1984-1993 Fifth Avenue, 1990-1993 Imperial, 1984-1989 Laser, 1984-1995 LeBaron, 1984-1993 New Yorker. Dodge - 1984-2000 Caravan, 1984-1987 Charger, 1997-2000 Dakota, 1984-1993 Daytona, 1984-1989 Diplomat, 1998-2005 Durango, 1988-1993 Dynasty, 1986-1989 Lancer, 1984-1993 Ram Charger, 1984-1993 Ram Pickup, 1987-1995 Shadow. GMC - 1973-1987 Pickup, 1996-2002 Savana. Plymouth - 1982-1983 400, 1983-1987 600E Class, 1984-1989 Gran Fury, 1981-1989 Reliant, 1987-1994 Sundance, 1981-1982 TC3, 1983-1987 Turismo