Dorman HVAC Blower Motor Resistor Kit 973-444, Direct-Fit Resistor and Harness Pigtail

The Dorman 973-444 HVAC Blower Motor Resistor Kit is a direct-fit replacement resistor and harness pigtail designed to restore blower fan speed control on compatible vehicles.

If your cabin fan only works on one speed or has stopped responding to the HVAC controls, a failed blower motor resistor is often the cause. This kit contains the resistor assembly and matching harness pigtail needed to replace an overheated, corroded, or otherwise damaged original component. Dorman engineers build this kit to match OE form and function so installation is straightforward and the climate control system regains reliable operation.

How will this resistor kit fix inconsistent fan speeds?

Blower motor resistors control the amount of current reaching the blower motor so the fan can operate at multiple speeds. When the resistor fails, you typically lose specific speed settings or the fan may only run on high. Replacing the resistor and harness resets the electrical path and restores the intended range of fan speeds.

• Includes resistor assembly calibrated for multi-speed control
• New harness pigtail replaces corroded or brittle wiring connections
• Restores electrical continuity for proper fan operation

Is this kit a direct replacement for the original part?

Yes — the Dorman 973-444 is engineered to match the fit and mounting points of the original resistor on many vehicle applications. It’s manufactured to align with the same physical dimensions and connector type so it installs without modification in most cases.

• Form-fit design mirrors OE shape and mounting locations
• Connector type engineered to mate with factory harnesses
• Meant to be a plug-and-play repair on listed vehicles

What comes in the kit and what tools are typically needed?

The kit includes the resistor module and a harness pigtail to ensure a complete repair where the original plug or wiring has been compromised. Commonly, the replacement can be performed with basic hand tools, although access may require removing a glove box or HVAC cover depending on vehicle design.

• Resistor module matched to OE specifications
• Harness pigtail for secure electrical connection
• Installation normally requires screwdrivers, pliers, and basic socket tools

How do I confirm this part fits my vehicle?

Because blower resistor designs vary by make and model, verify fitment before purchase using your vehicle’s year, make, model, and trim. Dorman provides application references and a garage tool for part look-up so you select the correct resistor kit for your car.

• Enter vehicle details into the fitment tool for compatibility
• Compare connector and mounting orientation with your original part
• Contact parts specialists if you’re unsure about fitment

Who is this for: The Dorman 973-444 HVAC Blower Motor Resistor Kit is intended for DIY mechanics and professional technicians who need a reliable, direct-replacement resistor and harness for vehicles experiencing blower motor speed issues due to a failed resistor. It's well suited for anyone replacing an overheated or corroded resistor who wants a straightforward plug-and-play solution engineered to match original fit and restore normal HVAC fan control.