Buick 1976 Electra, Riviera (C, E) with A/C ( C61 ) – checking programmer,

Buick 1977 – 1979 LeSabre, Electra (B, C) with A/C – checking programmer,

Buick 1976 – 1981 LeSabre, Electra (B, C) with A/C ( C61 ),

Buick 1978 – 1981  Century (A) with A/C ( C61 ) vacuum relay.

Cadillac 1976 – 1979 All- checking heater and A/C,

Cadillac 1980 All (C, D, E, K, Z).

Oldsmobile 1971 – 1972 All with Auto A/C- programmer checking.