FAST Ign Adapter Harness Buick V6Use this adapter to adapt XFI 2. 0 to 86 to 87 Grand National & 86 to 87 T Type Buick and 89 Pontiac TTA ignition devices. This Part Fits: Year Make Model Submodel 1982 1985 Buick Century Custom 1984 Buick Century Estate 1985 Buick Century Estate Wagon 1982 1985 Buick Century Limited 1984 Buick Century Olympia Limited 1983 1985 Buick Century T Type 1980 1985 Buick Electra Estate Wagon 1980 1985 Buick Electra Limited 1980 1985 Buick Electra Park Avenue