For 1978-1986 Chevrolet C10 - Four Seasons A/C Clutch Cycle Switch

1978 Chevrolet C10 w/ Pressure Switch; w/ R12;. 1979 Chevrolet C10 w/ Pressure Switch; w/ R12;. 1980 Chevrolet C10 w/ Pressure Switch; w/ R12;. 1981 Chevrolet C10 w/ Pressure Switch; w/ R12;. 1982 Chevrolet C10 w/ Pressure Switch; w/ R12;.