Motorcraft Resistor Assemblies are precision engineered to provide original equipment performance and reliability. Each design undergoes comprehensive lab and real world testing in order to meet Ford's rigorous OE engineering standards.
Features & Benefits:
- Each resistor must pass a life cycle test that simulates 10-year / 150,000-miles of use
- Mounting holes are positioned to facilitate installation
- Units are tested to ensure there is no electromagnetic interference with other vehicle systems
- Foam gaskets (where applicable) help minimize environmental contamination
 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
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| Blower Motor Control Module / Resistor |
Signs of Failure:- No Airflow from Vents
- Blows Air at Only One Speed
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| OEM / Interchange Numbers: 2L1Z19E624AA |
