The control module for the blower motor is under the glove box inside the heater box.
Remove the radio/heater control module. Disconnect the temperature control cable at the base of the control assembly . It is on the center mound just to the right of the gas pedal. Take the heater control cable off of the back of the heater control module. Pull the temperature control cable off.
Behind the glove box.
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External Air temperature control, the unit in the dash where you control the AC and Heater
Check the control module, the resistor, etc......
Anti-theft module, 1985 Corvette. Under dash on passenger side next to the heater control valve.
No. An AC/heater control module is a computer that controls and automates the operation of the heating, ventilation, and air conditioning systems (HVAC).The blower resistor enables the blower motor to change the speed of the fan.
The fan control module in the engine compartment has gone bad.
it is located above the heater core trap door behine the glove box.
For a car as old as a 1985 model, it could be that the heater blower motor control module has gone out. A new one for a 1985 Corvette is around $165 to $175 at auto parts stores.
The ac module is the actual pushbutton assembly below the radio in your car. that is the control module for the a/c and heater, can be removed with 2 radio keys from Mercedes Benz.