HomeHVAC > Motors, Core, Case and Related ComponentsStandard RU427T HVAC Blower Motor Resistor
Part #: RU427T

Standard RU427T HVAC Blower Motor Resistor

⚙️ 24 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Mercury, Contour, Cougar, Focus, Mystique, and Transit Connect
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Reliable HVAC Blower Motor Resistor for Ford and Mercury Vehicles

The Standard RU427T HVAC blower motor resistor is designed to restore proper blower motor function in select Ford and Mercury models. This complete assembly ensures consistent voltage regulation for your vehicle's heating and cooling system.

  • Connector Gender: Female for secure connection
  • Includes 1 switch as part of the assembly
  • Terminal Gender: Male with 4 terminals for reliable electrical contact
  • Operates at 12 volts, compatible with standard automotive electrical systems
  • Complete assembly for straightforward replacement

Product Details and Specifications

The RU427T blower motor resistor from Standard is engineered to meet OEM specifications for HVAC systems in Ford Contour, Cougar, Focus, Mystique, and Transit Connect models, as well as Mercury vehicles. Featuring a female connector and four male terminals, this resistor regulates the voltage supplied to the blower motor, enabling multiple fan speeds. The included switch is integrated into the assembly, providing a ready-to-install solution. Operating at 12 volts, this resistor is compatible with the electrical systems of the specified vehicles, ensuring proper HVAC blower motor performance.

Compatible Vehicles and Common Applications

This HVAC blower motor resistor is compatible with the following makes and models:

  • Ford Contour
  • Ford Cougar
  • Ford Focus
  • Ford Mystique
  • Ford Transit Connect
  • Mercury models matching the above platforms

It is commonly used to address issues such as:

  • Blower motor only working on high speed
  • Inconsistent or no fan speeds at lower settings
  • HVAC blower motor failing to operate
  • Intermittent blower motor function
  • Electrical resistance failure within the blower motor circuit

Installation Notes and Tips

When replacing the RU427T blower motor resistor, ensure the vehicle's ignition is off and the battery is disconnected to prevent electrical shorts. Verify the connector gender and terminal count match your vehicle’s existing resistor. The female connector and four male terminals should align with the factory wiring harness. Proper installation will restore full blower motor speed control and improve HVAC system reliability.

Quality Assurance and Warranty

Standard parts are manufactured to meet or exceed OEM standards for fit, form, and function. The RU427T blower motor resistor undergoes quality control testing to ensure durability and consistent performance. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandStandard
Part NumberRU427T
Connector GenderFemale
Contents1 switch
NotesComplete assembly
Terminal GenderMale
Terminal Quantity4
Voltage12

This part fits 24 vehicles. Search below:

YearMakeModelPositionNotes
2013FordTransit ConnectN/A
2012FordTransit ConnectN/A
2011FordTransit ConnectN/A
2010FordTransit ConnectN/A
2007FordFocusN/A
2006FordFocusN/A
2005FordFocusN/A
2004FordFocusN/A
2003FordFocusN/A
2002FordFocusN/A
2002MercuryCougarN/A
2001FordFocusN/A
2001MercuryCougarN/A
2000FordContourN/A
2000FordFocusN/A
2000MercuryCougarN/A
2000MercuryMystiqueN/A
1999FordContourN/A
1999MercuryCougarN/A
1999MercuryMystiqueN/A
1998FordContourN/A
1998MercuryMystiqueN/A
1997FordContourN/A
1997MercuryMystiqueN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

200432BMR02493M5Z18591BA4P157953-6980197004151973-012BMR37BMRA9BR330BR330SBRU-427RU1120RUC1022YH1696

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.