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Heater Blower Motor Resistor

By Andy Y, July 29, 2009

The heater blower resistor allows the heater blower motor to operate at various speeds.

Symptoms of a Bad or Failing Heater Blower Motor Resistor

  • The blower motor may not work on some settings or only on the highest setting

Heater Blower Motor Resistor Related Repair Advice

  • On some vehicles, the resistor may be easily accessible; on others, it may take partial dashboard removal to replace the resistor
  • The blower motor switch should always be checked for proper operation before the blower motor resistor is replaced

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