Dorman 973-180 HVAC Blower Motor Resistor - Front

Dorman 973-180 Blower Motor Resistor

Restore proper HVAC fan operation with this direct replacement blower motor resistor from Dorman. Built for select Buick, Pontiac, and Oldsmobile applications, part number 973-180 is made to match the original equipment resistor’s function and performance on the listed vehicles.

• Direct replacement HVAC blower motor resistor
• Includes blower motor resistor and instructions
• Wiring harness included for a cleaner repair
• Rectangular female connector with 7 terminals
• Blade-style terminals, 2-wire design
• 3 bolt holes for mounting
• Wiring harness length: 9.45

Vehicle Fitment

• Fits 2002-2005 Buick Rendezvous, N/A; wo/Auto Climate Control; w/Air Conditioning
• Fits 2001-2005 Pontiac Aztek, N/A
• Fits 2001-2005 Pontiac Montana, Front
• Fits 2001-2004 Oldsmobile Silhouette, Front

This part cross-references Baldwin 20069 for the same application. It also cross-references Dorman 973-180 against related numbers such as DR759 and RU50 for select HVAC repair needs.

What It Helps Fix

• Blower motor only working on certain fan speeds
• No cabin airflow from the HVAC system
• Intermittent heater or A/C fan operation
• Burnt or heat-damaged resistor failure
• Poor control of interior heating and cooling output

Installation Notes

Verify connector style, terminal count, and mounting points before installation. This resistor uses a rectangular female connector, 7 terminals, and 3 bolt holes, so matching the original layout is important for a proper repair. Confirm vehicle configuration notes for Buick Rendezvous applications, including the listed air conditioning and climate control requirements.

Quality Assurance

Dorman designs this blower motor resistor as a direct replacement for the original equipment part on the listed vehicles, with fit and function aligned to OE operation for the specified applications.