Reverse 4 Part Wire Harness - Replaces Factory Cut Harness Plugs into The Factory Radio from a Buick Century (1982-1987), LE Sabre (1981-1987), Park Avenue (1985-1989) &hellip; Reverse wire harness - Replaces factory cut harness plugs into the Factory radio from a BUICK CENTURY ( 1982 - 1987 ) , LE SABRE ( 1981 - 1987 ) , PARK AVENUE ( 1985 - 1989 ) , REGAL ( 1978 - 1987 ) , RIVIERA ( 1984 - 1985 ) , CADILLAC BROUGHAM ( 1987 - 1989 ) , CIMARRON ( 1982 - 1988 ) , ELDORADO ( 1984 - 1987 ) , FLEETWOOD ( 1985 - 1989 ) , SEVILLE ( 1984 - 1987 ) Wiring that plugs into the Factory Radio 4 separate part plug. - 100% 18 awg copper wiring EIA coded, wire color diagrams available Wire colors in your vehicle won't match then wire colors on the harness - CarXtc on Amazon.com 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 78 79 80 81 82 83 84 85 86 87 88 89