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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 180 (HVAC Systems (Service Information)) >> HVAC >> Distribution >> Motor-Blower >> Diagnosis And Testing >> Operation

Diagnosis And Testing: Operation

WARNING: This page is about a different car, the 2007 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

Possible causes of an inoperative blower motor include:

  1. Open fuse
  2. Inoperative blower motor resistor
  3. Inoperative blower motor switch
  4. Inoperative blower motor
  5. Inoperative blower motor circuit wiring or wire harness connectors