Many vehicles use a vacuum to operate the HVAC controls. Check under the hood for a disconnected or broken vacuum line.
Replace your heater selector switch
This could be due to a couple of things. The temperature switch is bad, the AC selector switch is bad, the AC compressor is not engaging when you turn the air on, or the AC system needs to be recharged. FriPilot
Faulty Function selector switch. Consider replacement.
Your AC switch may not be working properly due to a faulty connection, a malfunctioning switch, or an issue with the electrical system. It is recommended to have a professional inspect and repair the switch to ensure proper functioning of your air conditioning system.
pickup selector switch
shorted a wire? knocked a wire loose?
Sounds like you may have a bad selector switch or you may want to check the vaccum hoses in the engine compartment.
Broken or disconneted duct? vacuum actuated motor not working due to a vacuum leak? selector switch not working?
You simply turn the heat/cool selector lever to the off position and turn the fan switch to on. This will thaw out the indoor and outdoor coils. You are low on refrigerant, have a dirty filter, or the fan is not working properly. You should have this system checked.
Blower motor working? Check coolant level System airbound? Bad thermostat? Control cable not adjusted or working properly? Selector switch not working?
how do i replace the fuel selector switch on the dash of a 1995 ford f250
Low refrigerant? Blown fuse? Bad switch?