HomeHVAC > Electrical ConnectorsDorman 973-148 HVAC Blower Motor Resistor Kit
Part #: 973-148

Dorman 973-148 HVAC Blower Motor Resistor Kit

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⚙️ 6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, Corolla
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Overview of Dorman 973-148 HVAC Blower Motor Resistor Kit

The Dorman 973-148 HVAC blower motor resistor kit is designed specifically for Toyota Corolla models. This replacement part ensures proper control of your vehicle's blower motor speeds, restoring efficient HVAC system performance.

  • Wiring harness length: 6 inches for easy installation
  • Includes one female connector with four male blade terminals
  • Four wires and four terminals included for reliable electrical connections
  • One mounting hole for secure attachment (mounting hardware not included)
  • Wiring harness included for direct fit and compatibility

Detailed Product Description

This Dorman HVAC blower motor resistor kit (part number 973-148) is engineered to meet the electrical requirements of Toyota Corolla HVAC systems. The kit features a 6-inch wiring harness with four wires and four male blade terminals, connecting to a single female connector. The blade terminal type ensures a secure and stable electrical connection, critical for controlling blower motor speeds accurately. The kit includes one mounting hole to facilitate proper installation, although mounting hardware is not provided. This resistor kit is designed to replace faulty or worn blower motor resistors, helping to restore the HVAC system's ability to regulate fan speeds effectively.

Common Applications and Issues Resolved

  • Restores blower motor speed control in Toyota Corolla HVAC systems
  • Eliminates blower motor failure caused by resistor malfunction
  • Fixes inconsistent or non-functioning fan speeds
  • Addresses overheating or electrical connection issues in the blower motor circuit
  • Improves overall HVAC system reliability and comfort

Installation Notes and Tips

When installing the Dorman 973-148 blower motor resistor kit, ensure the wiring harness is routed away from moving parts and heat sources. Use the provided mounting hole to secure the resistor firmly in place; however, you will need to supply your own mounting hardware. Verify all blade terminals are fully seated in the female connector to prevent electrical faults. This kit is designed for direct replacement in Toyota Corolla models, so no modifications should be necessary.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 973-148 blower motor resistor kit undergoes rigorous quality control to ensure durability and reliable performance in Toyota Corolla vehicles. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.

BrandDorman
Part Number973-148
Connector GenderFemale
Connector Quantity1
Gasket or Seal IncludedNo
Mounting Hardware IncludedNo
Mounting Hole Quantity1
Package Contents1 Blower Motor Resistor Kit
Terminal GenderMale
Terminal Quantity4
Terminal TypeBlade
Wire Quantity4
Wiring Harness IncludedYes
Wiring Harness Length6

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
1993ToyotaCorollaN/A
1992ToyotaCorollaN/A
1991ToyotaCorollaN/A
1990ToyotaCorollaN/A
1989ToyotaCorollaN/A
1988ToyotaCorollaN/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:

3A11938713801020JA1305RU842RU85

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