HomeHVAC > Motors, Core, Case and Related ComponentsStandard Ignition RU-491 HVAC Blower Motor Resistor
Part #: RU-491

Standard Ignition RU-491 HVAC Blower Motor Resistor

⚙️ 13 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Dodge, Ram, and Mitsubishi, Dakota and Raider
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Overview of Standard Ignition HVAC Blower Motor Resistor RU-491

The Standard Ignition HVAC Blower Motor Resistor RU-491 is designed to regulate the blower motor speeds in select Dodge and Mitsubishi vehicles. This resistor is engineered to provide reliable control over the HVAC blower motor, ensuring consistent airflow and temperature regulation in your vehicle's cabin.

  • Attachment method: Screw for secure installation
  • Connector gender: Female with a rectangular shape
  • Number of connector cavities: 1
  • Terminal type: 5 male blade terminals
  • Supports 3-5 blower motor speeds
  • No wiring harness or mounting brackets included

Detailed Product Description

The RU-491 blower motor resistor from Standard Ignition is a critical component for controlling the speed of the HVAC blower motor in Dodge Dakota, Dodge Ram, and Mitsubishi Raider models. It features a screw attachment method for a firm and stable fit within the HVAC system. The resistor includes a female rectangular connector designed to mate with the vehicle’s wiring harness, providing a secure electrical connection through its single connector cavity. Equipped with five male blade terminals, this resistor supports multiple blower motor speeds ranging from three to five, allowing for precise airflow adjustments inside the vehicle.

Compatible Vehicles and Applications

This HVAC blower motor resistor is compatible with the following vehicles:

  • Dodge Dakota
  • Dodge Ram
  • Mitsubishi Raider

It is specifically designed to replace faulty or worn blower motor resistors in these models, restoring proper HVAC blower motor function.

Common Issues Resolved by RU-491

  • Inconsistent or no blower motor speeds
  • Blower motor stuck on one speed setting
  • Intermittent HVAC airflow problems
  • Overheating or failure of the blower motor resistor
  • Loss of HVAC blower motor control

Installation Notes and Tips

Installation of the RU-491 blower motor resistor requires removing the old resistor from the HVAC housing and securing the new resistor using screws. Ensure the female rectangular connector aligns properly with the vehicle’s wiring harness. Since no wiring harness or mounting brackets are included, reuse the existing hardware and connectors from the original resistor. It is recommended to disconnect the vehicle battery before installation to avoid electrical shorts.

Quality Assurance and Warranty

Standard Ignition manufactures the RU-491 blower motor resistor to meet or exceed OEM specifications for durability and performance. While hardware and wiring harnesses are not included, the resistor is built to provide reliable operation within the HVAC system. Please refer to Standard Ignition’s warranty policy for coverage details on this part number.

BrandStandard Ignition
Part NumberRU-491
Attachment MethodScrew
Connector GenderFemale
Connector ShapeRectangular
Hardware IncludedNo
Harness Length - cmNo wire
Harness Length - inchesNo wire
Mounting Bracket(s) IncludedNo
Number Of Connector Cavities1
Number Of Speeds3-5 Speed
Terminal GenderMale
Terminal TypeBlade
Wiring Harness IncludedNo

This part fits 13 vehicles. Search below:

YearMakeModelPositionNotes
2012DodgeDakotaN/A
2011DodgeDakotaN/A
2011RamDakotaN/A
2010DodgeDakotaN/A
2009DodgeDakotaN/A
2009MitsubishiRaiderN/A
2008DodgeDakotaN/A
2008MitsubishiRaiderN/A
2007DodgeDakotaN/A
2007MitsubishiRaiderN/A
2006DodgeDakotaN/A
2006MitsubishiRaiderN/A
2005DodgeDakotaN/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:

203962BMR03073543H24804P13295161067AA53-69605973-044BMRA30BR394RU1184RUC1097

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