Dorman 973-070 HVAC Blower Motor Resistor - Front

Reliable HVAC Blower Motor Resistor for Select GM Vehicles

The Dorman 973-070 HVAC blower motor resistor is designed to restore proper blower motor function in various Buick, Cadillac, Oldsmobile, and Pontiac models. Engineered to meet OEM specifications, this resistor ensures consistent airflow control for your vehicle's heating and cooling system.

• Compatible with Buick 60 Special, 88, 98, LeSabre, Park Avenue, and Riviera
• Fits Cadillac Allante, DeVille, Fleetwood, Seville, and Eldorado
• Also suitable for Oldsmobile LSS and Pontiac Bonneville and Toronado
• Features 3 bolt holes for secure mounting
• Includes 2 female square connectors with both blade and aspa terminal types
• Contains 1 male terminal with a total of 3 terminals for reliable electrical connection
• Does not include wiring harness or mounting hardware
• Package contains 1 blower motor resistor

Product Details and Specifications

The Dorman 973-070 blower motor resistor is constructed with a durable design featuring three bolt holes for stable installation. It includes two female connectors shaped square to ensure a proper fit with the vehicle’s wiring harness. The resistor terminals include both blade and aspa types, providing compatibility with the original electrical system. This part does not come with a wiring harness or mounting hardware, so existing components must be reused during installation.

Common Applications and Problem Resolution

This blower motor resistor is used to regulate the speed of the HVAC blower motor in select GM vehicles. It is essential for maintaining multiple fan speeds and proper climate control. It can help resolve issues such as:

• Blower motor stuck on one speed or not working at certain speeds
• Intermittent blower motor operation
• Complete loss of blower motor function
• Overheating or electrical resistance failure in the blower motor circuit

Installation Notes and Tips

When installing the Dorman 973-070 resistor, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shock. Retain the original mounting hardware and wiring harness for reinstallation, as these are not included. Verify connector orientation and terminal types to ensure a secure and correct electrical connection. Proper mounting using the three bolt holes is critical for stable operation and heat dissipation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 973-070 blower motor resistor undergoes quality testing to ensure reliable performance in Buick, Cadillac, Oldsmobile, and Pontiac vehicles. Warranty coverage details can be obtained from the product documentation or manufacturer.