Replacement AC and heater selector rotary switch used to activate the air conditioning. This is the AC on-off selector switch that is operated by sliding the lever to the left or right. For various 1976-91 GM models with factory AC. Buick Applications: 1977-81 Century 1977-84 Electra 1986-88 Electra 1977-83 Estate Wagon 1977-87 LeSabre 1977-87 Regal 1977-78 Riviera 1986-89 Skyhawk 1980 Skylark 1986-87 Skylark 1986-87 Somerset 1985 Somerset Regal Chevrolet Passenger Car Applications: 1978-83 Camaro 1976-90 Caprice 1982-83 Cavalier 1980-83 Citation 1976-85 Impala 1978-83 Malibu 1978-86 Monte Carlo Chevrolet Truck Applications: 1986-86 C10 1983-86 C10 Suburban 1983-86 C20 1983-86 C20 Suburban 1983-86 C30 1978-86 El Camino 1983-86 K10 1983-86 K10 Suburban 1983-86 K20 1983-86 K20 Suburban 1983-86 K30 1987 R10 1987-88 R10 Suburban 1987-88 R20 1987-88 R20 Suburban 1989 R2500 1987-88 R30 1989-91 R3500 1982-85 S10 1983-85 S10 Blazer 1987 V10 1987-88 V10 Suburban 1987 V20 1987-88 V20 Suburban 1987-88 V30 1989-91 V3500 GMC Truck Applications: 1983-86 C1500 1983-86 C1500 Suburban 1983-86 C2500 1983-86 C2500 Suburban 1983-86 C3500 1978-86 Caballero 1983-86 K1500 1983-86 K1500 Suburban 1983-86 K2500 1983-86 K2500 Suburban 1983-86 K3500 1987 R1500 1987-88 R1500 Suburban 1987-89 R2500 1987-88 R2500 Suburban 1987-91 R3500 1982-85 S15 1983-85 S15 Jimmy 1987 V1500 1987-88 V1500 Suburban 1987 V2500 1987-88 V2500 Suburban 1987-91 V3500 Oldsmobile Applications: 1976-84 Olds 98 1986-90 Custom Cruiser 1976-81 Cutlass 1985-87 Cutlass 1978-79 Cutlass Calais 1978-79 Cutlass Supreme 1976-84 Delta 88 1987-88 Firenza 1976-78 Toronado Pontiac Applications: 1976-86 Bonneville 1976-81 Catalina 1976-83 Firebird 1985-91 Grand Am 1977 Grand LeMans 1976-86 Grand Prix 1976-77 Grand Safari 1977-81 LeMans 1983-86 Parisienne 1987-89 Safari 1986-91 Sunbird
