Quote: I own a 1990 300e and the blower fan ONLY works when the car is shut off, as soon as I start the car the fan stops running....
Do you mean that the blower fan runs only when the *engine* is off but the key is in run and then stops running when you start the engine?
Do you mean that the blower fan runs only when the *engine* is off but the key is in run and then stops running when you start the engine?