(Includes convertible, hardtop, coupe, sedan, and station wagon models. This one is for the FM stereo multiplex adapter model numbers: 04BFM1 (Buick); 04EFM1 (Riviera); 01VMPH1 (Corvette-heater) (1971 Corvette-heater 11VMPH1); 21VMPH1 (1972 Corvette-heater); 01VMPA1 (Corvette-A/C) (1971 Corvette-A/C 11VMPA1); 21VMPA1 (1972 Corvette-A/C); 03BFM1 (Olds 98, 88); 03EFM1 (Toronado); 03AFM1 (F-85, Cutlass, 442)); 02BFM1 (Pontiac); 02AFM1 (Tempest, GTO); and 02FFM1 (Firebird, Trans Am).
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