Dorman 973-433 HVAC Blower Motor Resistor Kit

Dorman HVAC Blower Motor Resistor Kit 973-433

Dorman 973-433 is an HVAC blower motor resistor kit that replaces an overheated or corroded original resistor and restores blower speed control on select GM vehicles. It includes the resistor and a harness pigtail for a direct repair on applications that use the connector.

Key Features

• HVAC blower motor resistor kit for blower speed control repair
• Includes a replacement resistor and wire harness pigtail
• 4-wire, 4-terminal design with blade terminals
• Female connector with male terminals for the repair side connection
• 3 mounting holes for OE-style installation points
• 6-inch wiring harness length
• Compatible with Buick LeSabre, Buick Park Avenue, Oldsmobile 88, Pontiac Bonneville, and Oldsmobile 98 applications listed below

Detailed Description

This Dorman HVAC blower motor resistor kit is built for vehicles where the original resistor has failed from heat damage or connector corrosion. Part number 973-433 is used on select 1991-1999 Buick Park Avenue, 1992-1999 Buick LeSabre, 1992-1999 Oldsmobile 88, 1992-1999 Pontiac Bonneville, and 1994-1995 Oldsmobile 98 models without Automatic Temperature Control (ATC). This part cross-references Monroe Shocks & Struts (e.g., 4P1486, 19113258) for the same application.

What It Helps Fix

• Blower motor speeds that no longer work correctly
• Intermittent HVAC fan operation
• Heat-damaged resistor connectors
• Corroded or burned electrical terminals
• Loss of one or more cabin fan speed settings

Installation Notes and Tips

Verify the vehicle uses the listed non-ATC HVAC setup before ordering. Inspect the blower motor connector and surrounding wiring for heat damage before installation, and replace any damaged terminals or wiring as needed. Confirm the mounting pattern and connector style match the original part on your Buick LeSabre, Buick Park Avenue, Oldsmobile 88, Pontiac Bonneville, or Oldsmobile 98.

Quality Assurance

Dorman manufactures replacement electrical and HVAC components to match the original service application. This kit is intended as a direct repair solution for the specified vehicles and connector style.