09 2009 Audi A4 Quattro Blower Motor Resistor Control ... (Phoebe Todd) AC Heater Blower Motor Fan White with Cage - Compatible with Volkswagen & Audi Vehicles. The motor and resistor are located behind the glove box. Often the cause of failure, this Genuine VW/Audi unit will get your fan.
This happens when the heater blower resistor fails and is no longer attenuating resistance for the circuit.
There are two types, one if you have automatic temperature control, and If your in cab blower fan does not spin on all speeds.
How to fix a fan that doesn't work on low. I will post a picture showing where the resistor is. It is mounted to the the blower housing near the blower motor.
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