Dorman 973-234 HVAC Blower Motor Resistor

Reliable HVAC Blower Motor Resistor for Buick and Cadillac Models

The Dorman 973-234 HVAC blower motor resistor is designed to restore proper blower motor function in select Buick, Cadillac, 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 Aurora, Cadillac DeVille, Oldsmobile Aurora, Pontiac Bonneville, and LeSabre models
• Includes a 13-inch wiring harness for flexible installation
• Features 2 bolt holes for secure mounting
• Equipped with 3 blade terminals and 2 rectangular connectors (male and female)
• Wiring harness included for a complete replacement
• Package contains the blower motor resistor and installation instructions

Technical Details and Specifications

The Dorman 973-234 blower motor resistor is built with a wiring harness length of 13 inches, providing ample reach for installation in the HVAC system. It includes two bolt holes to ensure a stable and secure fit within the blower motor assembly. The resistor features three blade-type terminals and two rectangular connectors with both male and female terminals, facilitating a reliable electrical connection. This part comes with a wiring harness included, but mounting hardware is not provided, so reusing existing hardware is necessary.

Compatible Vehicles and Applications

This blower motor resistor is compatible with several GM makes and models, including Buick Aurora, Cadillac DeVille and Seville, Oldsmobile Aurora, Pontiac Bonneville, and LeSabre. It is specifically designed to replace faulty blower motor resistors in these vehicles, restoring proper fan speed control and HVAC performance.

• Restores blower motor speed control in HVAC systems
• Resolves issues with blower fan only working on high speed
• Fixes intermittent or no airflow from vents
• Eliminates blower motor resistor failure symptoms such as inconsistent fan speeds
• Prevents overheating and electrical faults in the blower motor circuit

Installation Notes and Tips

Installation of the Dorman 973-234 blower motor resistor requires basic automotive electrical knowledge. The included wiring harness simplifies connection to the vehicle’s existing wiring. Ensure the vehicle’s battery is disconnected before installation to avoid electrical shorts. Since mounting hardware is not included, retain the original bolts or source compatible fasteners. Follow the included instructions carefully to ensure proper fitment and secure mounting.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 973-234 blower motor resistor undergoes quality testing to ensure consistent operation within the HVAC system. This part is backed by Dorman’s limited warranty, covering defects in materials and workmanship under normal use.