Dorman 973-074 HVAC Blower Motor Resistor - Front

Reliable HVAC Blower Motor Resistor for Buick and Chevrolet Models

The Dorman 973-074 HVAC blower motor resistor is designed to restore proper blower motor function in select Buick, Cadillac, Chevrolet, and Oldsmobile vehicles. Engineered to meet OEM specifications, this resistor ensures consistent airflow control for your vehicle's heating and cooling system.

• Compatible with Buick Aurora, Cadillac Fleetwood, Chevrolet Commercial Chassis, and Oldsmobile Cutlass Supreme among others
• Features 3 bolt holes for secure mounting
• Equipped with 2 rectangular female connectors for reliable electrical connection
• Includes both Aspa and blade terminal types with male terminals for versatile fitment
• Package contains the blower motor resistor and installation instructions

Product Details and Specifications

The Dorman 973-074 blower motor resistor is constructed with three bolt holes to ensure a stable and secure installation within the HVAC system. It features two rectangular female connectors that accommodate both Aspa and blade terminal types, providing compatibility with various wiring harness configurations. This resistor has a total of three terminals, all male, designed to interface seamlessly with the vehicle’s electrical system. Note that this product 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 a range of GM vehicles, including Buick Aurora, Cadillac Fleetwood, Chevrolet Commercial Chassis, Custom Cruiser, and Oldsmobile Cutlass Supreme, among others. It is specifically designed to replace faulty blower motor resistors in these models, ensuring proper blower motor speed control and HVAC performance.

• Restores blower motor speed control in HVAC systems
• Resolves inconsistent or non-functioning blower fan speeds
• Eliminates issues with blower motor only working on high speed
• Prevents overheating and electrical faults in blower motor circuits
• Improves overall climate control system reliability

Installation Notes and Tips

When installing the Dorman 973-074 blower motor resistor, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shock. Use the existing mounting hardware to secure the resistor via its three bolt holes. Verify that the rectangular female connectors properly engage with the vehicle’s wiring harness terminals. Follow the included instructions carefully to avoid damage to the resistor or HVAC system components.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 973-074 blower motor resistor undergoes rigorous quality control testing to ensure durability and reliable performance. Please refer to Dorman’s warranty policy for specific coverage details.