Dorman 973-235 HVAC Blower Motor Resistor

Reliable HVAC Blower Motor Resistor for Buick, Oldsmobile, Pontiac

The Dorman 973-235 HVAC blower motor resistor is designed to restore proper blower motor function in select Buick, 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 88, 98, LeSabre, Park Avenue models
• Fits Oldsmobile 88, 98, LSS, Regency models
• Designed for Pontiac Bonneville and Grand Prix applications
• Features 3 bolt holes for secure mounting
• Includes a single rectangular female connector with 4 male blade terminals
• Does not include wiring harness or mounting hardware

Technical Details and Attributes

This Dorman HVAC blower motor resistor (part number 973-235) features a 3-bolt hole design for stable installation. The connector is rectangular in shape and female in gender, accommodating 4 male blade terminals. The terminal type is blade style, providing reliable electrical connections without included wiring harness or mounting hardware. This resistor is engineered to maintain proper blower motor speeds by regulating current flow through the HVAC system.

Common Applications and Problem Resolution

This blower motor resistor is compatible with various Buick, Oldsmobile, and Pontiac models, including the Buick LeSabre and Park Avenue, Oldsmobile LSS and Regency, and Pontiac Bonneville. It is typically used to address issues such as:

• Blower motor only working on high speed
• Intermittent blower motor operation
• Complete loss of blower motor function
• Inconsistent airflow from HVAC vents
• Electrical resistance failure causing HVAC system malfunctions

Installation Notes and Tips

Installation requires removal of the old blower motor resistor and securing the new resistor using the 3 bolt holes provided. Ensure the rectangular female connector is properly seated with the male blade terminals to avoid electrical issues. Since wiring harness and mounting hardware are not included, reuse existing components or source separately as needed. Always disconnect the vehicle battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for durability and performance. The 973-235 blower motor resistor undergoes rigorous testing to ensure reliable operation within the HVAC system. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.