a/c and heater works only on high in 2000 Pontiac Grand Prix

For some reason my a/c and heater will only work if i turn it to high. This started all of a sudden. I will take all of the advise i can get. My car is a 2000 Pontiac Grand Prix. Thank you!!

Reply to
Labrador
Loading thread data ...

Your resistor module is bad. It's a group of several resistors that drops the voltage to the fan to change speeds.

Reply to
BR549

MotorsForum website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.