Dorman 973-226 HVAC Blower Motor Resistor

Reliable HVAC Blower Motor Resistor for Buick and Chevrolet Models

The Dorman 973-226 HVAC blower motor resistor is designed to restore proper blower motor function in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Engineered to meet OEM specifications, this resistor ensures consistent airflow control for your vehicle's heating and cooling system.

• Compatible with Buick Cutlass Supreme, Chevrolet Lumina, Monte Carlo, Oldsmobile Cutlass Supreme, Pontiac Grand Prix, and Regal models
• Features 3 bolt holes for secure mounting
• Equipped with a single rectangular female connector housing 4 male blade terminals
• Does not include wiring harness or mounting hardware
• Includes blower motor resistor and installation instructions

Technical Details and Specifications

The Dorman 973-226 blower motor resistor is constructed with a durable rectangular connector designed to interface with your vehicle's existing wiring harness. It features four male blade terminals within a female connector housing, ensuring a reliable electrical connection. The resistor mounts securely using three bolt holes, providing stable installation without the need for additional mounting hardware. This part does not include a wiring harness, so it is intended for direct replacement of the original resistor component.

Compatible Vehicles and Applications

This blower motor resistor is compatible with several GM models, including Buick Cutlass Supreme, Chevrolet Lumina and Monte Carlo, Oldsmobile Cutlass Supreme, and Pontiac Grand Prix and Regal. It is specifically designed to replace the original resistor in these vehicles, restoring proper blower motor speed control and HVAC system performance.

Common Issues Resolved by This Blower Motor Resistor

• Intermittent or non-functioning blower motor speeds
• Blower motor stuck on a single speed setting
• HVAC system failing to adjust airflow properly
• Overheating or electrical resistance issues in blower motor circuit
• Reduced cabin comfort due to inconsistent blower operation

Installation Notes and Tips

Before installation, disconnect the vehicle battery to prevent electrical shorts. Remove the old blower motor resistor by detaching the connector and unbolting the three mounting points. Install the Dorman 973-226 by aligning the bolt holes and securing it firmly. Connect the rectangular female connector to the vehicle wiring harness, ensuring all four male blade terminals are properly seated. No additional wiring harness or mounting hardware is required. Refer to the included instructions for detailed guidance.

Quality Assurance and Warranty Information

Dorman manufactures this blower motor resistor to meet or exceed OEM standards for fit, form, and function. The part number 973-226 undergoes rigorous quality control to ensure durability and reliable performance in your Buick, Chevrolet, Oldsmobile, or Pontiac vehicle. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.