Dorman 973-579 HVAC Blower Motor Resistor Kit

HVAC Blower Motor Resistor Kit for Chrysler and Dodge

This Dorman HVAC blower motor resistor kit restores blower speed control on select Chrysler Town & Country and Dodge Grand Caravan models. It includes a replacement resistor and harness pigtail for vehicles with overheated or corroded original connectors, helping address common HVAC electrical failures.

Key Features

• Direct replacement blower motor resistor kit for select Chrysler and Dodge applications
• Includes a resistor and wire harness pigtail for connector repair
• Blade-style terminals with male connector and terminal design
• 11-inch wiring harness length with 4-wire configuration
• Includes gasket or seal for the installation interface
• Two connector and two mounting-hole design for the specified application

Detailed Description

Dorman 973-579 is an HVAC blower motor resistor kit built for vehicles that use a manual air conditioning control setup or auxiliary unit configuration, depending on application. It is used on 2009-2011 Chrysler Town & Country and 2009-2011 Dodge Grand Caravan models listed below, making it a focused replacement for blower speed issues caused by heat damage, corrosion, or connector wear. This part cross-references OE-style numbers such as 68057721AA and RU699 for the same application. The Dorman 973-579 kit is a practical repair solution when the resistor and harness connection need to be serviced together.

Vehicle Fitment

• Fits 2011 Chrysler Town & Country, auxiliary unit excluding climate control.
• Fits 2011 Dodge Grand Caravan, auxiliary unit excluding climate control.
• Fits 2010 Chrysler Town & Country, auxiliary unit with manual air conditioning controls.
• Fits 2010 Dodge Grand Caravan, auxiliary unit with manual air conditioning controls.
• Fits 2009 Chrysler Town & Country, auxiliary unit; from October 2, 2008; with manual air conditioning controls.
• Fits 2009 Dodge Grand Caravan, auxiliary unit; from October 2, 2008; with manual air conditioning controls.

Common Problems This Part Can Address

• Blower motor only works on certain fan speeds
• No airflow from the HVAC blower at selected settings
• Heat-damaged resistor connector or pigtail
• Corroded electrical connection at the blower resistor
• Intermittent HVAC fan operation caused by connector wear

Installation Notes and Tips

Verify the vehicle’s HVAC control type and auxiliary unit configuration before installation. Inspect the connector, terminals, and surrounding wiring for heat damage before connecting the new harness pigtail. Confirm the mounting points and terminal orientation match the original part, and follow the vehicle service procedure for resistor replacement and electrical repair.

Quality Assurance

Dorman manufactures replacement electrical and HVAC service parts for specific vehicle applications, and this kit is built to replace an overheated or corroded original resistor assembly on the listed Chrysler and Dodge models.