1974-1987 Chevy GMC C10 C20 C30 Truck Heater A/C Control Panel Factory Non-A/C

1974-1987 Chevy GMC C10 C20 C30 Truck A/C & Heater Control Panel Restore proper heater and A/C controls in your Squarebody with one of these 1974-1987 Chevy/GMC Truck Replacement Heater & A/C Control Panels. Multiple configurations were used throughout these years, including different controls for factory A/C, non-factory A/C, 3-speed and 4-speed systems, as well as different blower motor switch connections. Each control panel is designed as a direct replacement for the corresponding original-style unit and features a black finish with chrome knobs for a clean, factory-style appearance. These are a great replacement for an original heater or A/C control that is worn, faded, damaged, broken, or missing. Several different control panels were used during the 1974-1987 model years. Please use the fitment information below AND carefully compare the listing photos to your original control panel before ordering. Available Heater & A/C Control Panel Options 1974-1975 – Factory Air / A/C For 1974-1975 Chevy and GMC trucks originally equipped with factory air conditioning. 1974-1980 – Non-Factory Air – 3-Speed For 1974-1980 Chevy and GMC trucks without factory air conditioning that use a 3-speed heater control. 1974-1982 – Non-Factory Air – 4-Speed For 1974-1982 Chevy and GMC trucks without factory air conditioning that use a 4-speed heater control. 1976-1977 – Factory Air / A/C – 5-Pin Blower Motor Switch For 1976-1977 Chevy and GMC trucks with factory air conditioning using the 5-pin blower motor switch. IMPORTANT: Compare the switch connection and listing photos to your original before ordering. 1977-1982 – Factory Air / A/C – 4-Pin Blower Motor Switch For 1977-1982 Chevy and GMC trucks with factory air conditioning using the 4-pin blower motor switch. IMPORTANT: Compare the switch connection and listing photos to your original before ordering. 1983-1987 – Non-Factory Air For 1983-1987 Chevy and GMC trucks without factory air conditioning. 1983-1987 – Factory Air / A/C For 1983-1987 Chevy and GMC trucks originally equipped with factory air conditioning. Fitment 1974-1987 Chevrolet C10, C20 & C30 Trucks 1974-1987 GMC C/K Trucks Applications vary according to model year, factory A/C equipment, heater fan speed configuration, and blower motor switch connection. IMPORTANT – PLEASE VERIFY BEFORE ORDERING Do not order by model year alone. Chevrolet and GMC used several different heater and A/C control configurations during these years. All customers should carefully compare the listing photos with the original control panel in their truck before selecting an option.