Dorman 973-008 HVAC Blower Motor Resistor

Reliable HVAC Blower Motor Resistor for Select GM SUVs

The Dorman 973-008 HVAC blower motor resistor is designed to restore proper blower motor function in your Buick, Chevrolet, GMC, or Oldsmobile SUV. Engineered with a blade terminal type, this resistor ensures a secure electrical connection for consistent HVAC performance.

• Compatible with Buick Bravada, Chevrolet Trailblazer, Trailblazer EXT, GMC Envoy, Envoy XL, Envoy XUV, Rainier, and Oldsmobile models
• Blade terminal type for reliable electrical contact
• Includes blower motor resistor and installation instructions
• Mounting hardware not included, designed for direct replacement
• Part number 973-008 for precise identification and fitment

Product Details and Specifications

The Dorman 973-008 blower motor resistor is a direct replacement component engineered to match the original equipment specifications for HVAC systems in select GM SUVs. Its blade terminal design facilitates a straightforward electrical connection, minimizing installation complexity. This resistor regulates the blower motor speed by controlling the current flow, ensuring your vehicle's heating and cooling system operates efficiently. The package includes the blower motor resistor and detailed instructions to assist with installation, although mounting hardware is not provided.

Compatible Vehicles and Applications

This blower motor resistor is compatible with a range of GM SUVs, including Buick Bravada, Chevrolet Trailblazer and Trailblazer EXT, GMC Envoy, Envoy XL, Envoy XUV, Rainier, and Oldsmobile models. Using part number 973-008 ensures you receive the correct component tailored for these specific vehicles, helping maintain optimal HVAC blower motor performance.

Common Issues Addressed by the Blower Motor Resistor

• Inconsistent blower motor speeds or blower stuck on one speed
• HVAC blower motor not responding to speed control settings
• Intermittent or no airflow from vents
• Overheating or electrical resistance failure in the blower motor circuit
• Reduced heating or cooling efficiency due to blower motor malfunction

Installation Notes and Tips

Installation of the Dorman 973-008 blower motor resistor requires removal of the old resistor from the HVAC housing. Ensure the vehicle's ignition is off and the battery is disconnected before beginning. The blade terminal type allows for a secure connection; verify terminals are clean and free of corrosion. Since mounting hardware is not included, reuse the original screws or fasteners. Follow the included instructions carefully to avoid damage to the HVAC system components.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 973-008 blower motor resistor undergoes quality control testing to ensure reliable operation within the HVAC system. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or your supplier for exact warranty terms.