HomeHVAC > Motors, Core, Case and Related ComponentsDorman 973-189 HVAC Blower Motor Resistor
Part #: 973-189

Dorman 973-189 HVAC Blower Motor Resistor

⚙️ 26 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Dodge and Ram, 1500, 2500, 3500, Ram 1500, Ram 2500, and Ram 3500
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Reliable HVAC Blower Motor Resistor for Dodge Ram Models

The Dorman 973-189 HVAC blower motor resistor is designed to restore proper blower motor function in Dodge Ram 1500, 2500, and 3500 trucks. Engineered to meet OEM specifications, this resistor ensures consistent airflow control for your vehicle's heating and cooling system.

  • Compatible with Dodge Ram 1500, 2500, and 3500 models
  • Features 2 bolt holes for secure mounting
  • Equipped with a single rectangular female connector
  • Includes 4 male blade terminals for reliable electrical connection
  • Package contains the blower motor resistor and installation instructions

Product Details and Specifications

The Dorman 973-189 blower motor resistor is built with a rectangular female connector designed to interface with the vehicle's wiring harness. It has four male blade terminals and one connector, ensuring a stable and secure electrical connection. The resistor mounts using two bolt holes, providing a firm fit within the HVAC system. This part does not include a wiring harness or mounting hardware, so existing components must be reused during installation.

Compatible Vehicles and Applications

This blower motor resistor is compatible with Dodge Ram 1500, Ram 2500, and Ram 3500 trucks. It is specifically designed to replace faulty or worn resistors in these models, restoring proper blower motor speed control and HVAC performance.

  • Restores blower motor speed control in Dodge Ram 1500, 2500, and 3500
  • Resolves inconsistent or non-functioning HVAC blower speeds
  • Addresses blower motor resistor failure symptoms such as no airflow or limited fan speeds
  • Improves heating and cooling system reliability

Installation Notes and Tips

When installing the Dorman 973-189 blower motor resistor, ensure the vehicle's ignition is off and the battery is disconnected to prevent electrical hazards. Retain the original mounting hardware and wiring harness, as these are not included with the resistor. Carefully connect the rectangular female connector to the vehicle's wiring harness, verifying that the four male blade terminals align correctly. Secure the resistor using the two bolt holes to prevent vibration or loosening during vehicle operation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing dependable performance for your Dodge Ram HVAC system. The 973-189 blower motor resistor comes with detailed installation instructions to assist with proper fitment. Please refer to Dorman's warranty policy for specific coverage details.

BrandDorman
Part Number973-189
Bolt Hole Quantity2
Terminal TypeBlade
Wire Quantity0
Connector Quantity1
Connector ShapeRectangular
Terminal Quantity4
Connector GenderFemale
Terminal GenderMale
Wiring Harness IncludedNo
Mounting Hardware IncludedNo
Package ContentsBlower motor resistor and instructions

This part fits 26 vehicles. Search below:

YearMakeModelBody TypePositionNotes
2018Ram2500N/AExc. Climate Control
2018Ram3500N/AExc. Climate Control
2017Ram2500N/AExc. Climate Control
2017Ram3500N/AExc. Climate Control
2016Ram2500N/AExc. Climate Control
2016Ram3500N/AExc. Climate Control
2015Ram2500N/AExc. Climate Control
2015Ram3500N/AExc. Climate Control
2014Ram1500N/AExc. Climate Control
2014Ram2500N/AExc. Climate Control
2014Ram3500N/AExc. Climate Control
2013Ram1500N/AExc. Climate Control
2013Ram2500N/AExc. Climate Control
2013Ram3500N/AExc. Climate Control
2012Ram1500N/AExc. Climate Control
2012Ram2500N/AExc. Climate Control
2012Ram3500N/AExc. Climate Control
2011Ram1500N/AExc. Climate Control
2011Ram2500N/AExc. Climate Control
2011Ram3500N/AExc. Climate Control
2010DodgeRam 1500N/AExc. Climate Control
2010DodgeRam 2500N/AExc. Climate Control
2010DodgeRam 3500Standard Cab PickupN/AExc. Climate Control
2010DodgeRam 3500Crew Cab PickupN/AExc. Climate Control
2010DodgeRam 3500Extended Crew Cab PickupN/AExc. Climate Control
2009DodgeRam 1500N/AExc. Climate Control

* 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:

4P162168048900AAJA1743RU1399RU710

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