Dorman 973-406 HVAC Blower Motor Resistor Kit - Front

Brand Dorman 973-406
Position Front
Connector Gender Male
Connector Quantity 2
Gasket or Seal Included No
Mounting Hardware Included No
Mounting Hole Quantity 2
Package Contents 1 Blower Motor Resistor; 1 Wire Harness
Terminal Gender Male
Terminal Quantity 8
Terminal Type Blade
Wire Quantity 8
Wiring Harness Included Yes
Wiring Harness Length 6
Fits Chevrolet and GMC · 20 vehicles

Resistor kit. Includes a resistor and harness pigtail for a complete electrical repair.

Harness pigtail included. Supplies the matching connector for replacing a damaged original resistor.

Blade terminals. Male blade connections help restore a secure electrical interface.

Cross-references 3A1043, 15-80521 and 12135105 for the same application. See all 6.

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Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 973-406 HVAC Blower Motor Resistor Kit

This Dorman HVAC blower motor resistor kit restores blower speed control on select Chevrolet Astro and GMC Safari models. It includes a replacement resistor and harness pigtail for vehicles with an overheated or corroded original connector.

Key Features

  • Direct replacement HVAC blower motor resistor kit for select front HVAC applications
  • Includes a replacement wire harness pigtail to address heat-damaged connector issues
  • Blade-style terminals with male connector and terminal design
  • 8-wire, 8-terminal configuration with 2 mounting holes
  • 6-inch wiring harness length for service replacement use
  • Package contents: blower motor resistor and wire harness

Detailed Description

Dorman 973-406 is built for front HVAC systems on 1996-2005 Chevrolet Astro and 1996-2005 GMC Safari models. It is a practical OE-style repair for blower motor resistor failures caused by heat, corrosion, or connector damage, and it addresses the resistor and harness together for a cleaner electrical repair. This part cross-references Dorman-style replacement numbers such as RU496 and RU1189 for the same application.

Common Problems This Part Can Help Solve

  • Blower motor only working on certain fan speeds
  • No cabin airflow from the HVAC blower motor
  • Intermittent blower operation caused by a damaged resistor circuit
  • Heat-damaged or corroded blower resistor connector
  • Electrical resistance issues in the front HVAC blower control circuit

Installation Notes and Tips

Verify connector style, mounting hole layout, and harness routing before installation. Inspect the blower motor connector and surrounding wiring for heat damage, and replace any compromised terminals or insulation during service. Confirm the vehicle is a 1996-2005 Chevrolet Astro or 1996-2005 GMC Safari with front HVAC configuration before ordering.

Quality Assurance

Dorman supplies service replacement parts engineered to match the original repair need for the listed vehicles. Part number 973-406 is intended for direct-fit repair use on the confirmed applications above.

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2005ChevroletAstroFrontBlower Motor Resistor Kit includes Connector.
2005GMCSafariFrontBlower Motor Resistor Kit includes Connector.
2004ChevroletAstroFrontBlower Motor Resistor Kit includes Connector.
2004GMCSafariFrontBlower Motor Resistor Kit includes Connector.
2003ChevroletAstroFrontBlower Motor Resistor Kit includes Connector.
2003GMCSafariFrontBlower Motor Resistor Kit includes Connector.
2002ChevroletAstroFrontBlower Motor Resistor Kit includes Connector.
2002GMCSafariFrontBlower Motor Resistor Kit includes Connector.
2001ChevroletAstroFrontBlower Motor Resistor Kit includes Connector.
2001GMCSafariFrontBlower Motor Resistor Kit includes Connector.
2000ChevroletAstroFrontBlower Motor Resistor Kit includes Connector.
2000GMCSafariFrontBlower Motor Resistor Kit includes Connector.
1999ChevroletAstroFrontBlower Motor Resistor Kit includes Connector.
1999GMCSafariFrontBlower Motor Resistor Kit includes Connector.
1998ChevroletAstroFrontBlower Motor Resistor Kit includes Connector.
1998GMCSafariFrontBlower Motor Resistor Kit includes Connector.
1997ChevroletAstroFrontBlower Motor Resistor Kit includes Connector.
1997GMCSafariFrontBlower Motor Resistor Kit includes Connector.
1996ChevroletAstroFrontBlower Motor Resistor Kit includes Connector.
1996GMCSafariFrontBlower Motor Resistor Kit includes Connector.
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
3A104315-8052112135105DR779RU496RU1189