Dorman 973-235 HVAC Blower Motor Resistor

Dorman 973-235 HVAC Blower Motor Resistor

Restore proper cabin airflow control with this direct replacement HVAC blower motor resistor from Dorman. Built for select Buick, Oldsmobile, and Pontiac applications, it addresses loss of fan speeds and helps return heating and cooling operation to normal.

• Direct replacement blower motor resistor for select climate control systems
• Matches original equipment operation and performance on listed vehicles
• Rectangular 1-connector design with 4 male terminals
• 3 bolt holes for secure mounting
• Blade terminal type; female connector gender
• Package contents: blower motor resistor

Detailed Product Overview

Dorman 973-235 is an HVAC blower motor resistor designed for vehicles with air conditioning and climate control. It is used in select 1991-1999 Buick LeSabre, Park Avenue, Oldsmobile 88, 98, LSS, Regency, and Pontiac Bonneville applications. This part cross-references AP Exhaust 20065 for the same application. If you are replacing a failed resistor in a Buick LeSabre or Pontiac Bonneville, Dorman 973-235 provides the correct electrical interface and mounting layout for the listed fitments.

Common Problems This Part Can Address

• Blower fan works on only one speed or loses multiple speeds
• No cabin airflow from the HVAC system
• Intermittent heater or A/C blower operation
• Overheated or burnt blower resistor assembly
• Poor control of defrost, heat, or cooling airflow

Installation Notes and Tips

Verify the connector shape, terminal count, and bolt-hole layout before installation. This resistor uses one rectangular female connector with four male terminals and does not include a wiring harness or mounting hardware. Confirm the vehicle is equipped with climate control and air conditioning, and compare the original part to the replacement before installation.

Quality Assurance

This Dorman replacement is engineered to match the function of the original equipment on the listed vehicles, helping restore dependable HVAC blower control in compatible Buick, Oldsmobile, and Pontiac models.