The ventilation fan for the heat/ac is always on hi, even when the off button is pressed. Automatic mode lowers the speed somewhat, but I can't turn off the fan unless I remove the fuse or turn off the ignition. This is a 1994 Saab 9000 CS. I ran the calibration sequence, but that did not work.
Your fan control is shot. It is mounted on the driver side of the evaporator housing.
This is what I found on the problem that I have as well.
Hi, When transistor is shot you actually would have your fan off all time. I went through this. On the other hand, I do not know what happens when transistor fries to ON state.
Don
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