Dorman 973-012 HVAC Blower Motor Resistor

Brand Dorman 973-012
Mounting Hardware Included No
Package Contents Blower Motor Resistor and Instructions
Terminal Type Blade
Fits Ford and Mercury · 16 vehicles

Direct replacement. Matches original equipment operation and performance.

Blade terminals. Simplifies electrical connection for the blower motor resistor.

Restores proper heating and cooling functionality.

Cross-references 3M5Z18591BA, 4P1579 and JA1702 for the same application. See all 5.

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Dorman 973-012 HVAC Blower Motor Resistor

Restore proper cabin airflow control with this Dorman HVAC blower motor resistor. It is a direct replacement for the original unit on select Ford Focus, Ford Contour, and Mercury Mystique applications, helping bring back correct heating and cooling fan operation when the factory resistor has failed.

  • Direct replacement blower motor resistor for select Ford and Mercury vehicles
  • Blade terminal type for OE-style electrical connection
  • Designed to match original equipment operation and performance
  • Package contents include the blower motor resistor and instructions
  • Dorman part number 973-012 for easy identification

Built for HVAC fan speed control

The blower motor resistor is a key part of the HVAC system because it regulates blower fan speeds. When the resistor burns out, the fan may stop working on certain speeds or lose proper control altogether. This Dorman 973-012 replacement is made for select 1997-2000 Ford Contour, 1997-2000 Mercury Mystique, and 2000-2007 Ford Focus models, including common search terms such as Ford Focus blower motor resistor replacement and Ford Contour HVAC resistor repair. It cross-references Monroe Shocks & Struts 172286 and 182286 for the same application.

Common issues this part can address

  • Blower fan works only on one speed
  • HVAC fan speeds stop responding
  • No cabin airflow from the heater or A/C system
  • Intermittent blower motor operation caused by a failed resistor
  • Loss of proper heating and cooling fan control

Installation notes and tips

Verify the connector style and vehicle application before installation. This resistor uses blade terminals and does not include mounting hardware. Follow the included instructions and inspect the blower motor circuit for heat damage or corrosion that may have contributed to the original failure. Confirm fitment for your specific Ford Focus, Ford Contour, or Mercury Mystique by year before replacing the part.

Quality assurance

Dorman supplies this replacement resistor as an OE-style service part for select vehicles, with design intent focused on restoring original HVAC function and electrical performance.

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2007FordFocusN/A
2006FordFocusN/A
2005FordFocusN/A
2004FordFocusN/A
2003FordFocusN/A
2002FordFocusN/A
2001FordFocusN/A
2000FordContourN/A
2000FordFocusN/A
2000MercuryMystiqueN/A
1999FordContourN/A
1999MercuryMystiqueN/A
1998FordContourN/A
1998MercuryMystiqueN/A
1997FordContourN/A
1997MercuryMystiqueN/A
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
3M5Z18591BA4P1579JA1702RU427RU1120