Is it the Blower Motor or Blower Motor Control Module / Resistor?
The Blower Motor Control Module / Resistor controls the fan speed of the Blower Motor. When it fails, it can cause the Blower Motor to stop working and can cause confusion on which part is faulty.
Blower Motor
Signs of Failure:
Weak Airflow from Vents
Unusual Noises or Vibrations When Blower Is Turned On
Blower Motor Control Module / Resistor
Signs of Failure:
No Airflow from Vents
Blows Air at Only One Speed
Videos
Understand Blower Motor Circuits to Better Diagnose Problems
Is it the Blower Motor or Blower Motor Control Module / Resistor?
Videos