Dorman 973-420 HVAC Blower Motor Resistor - Front or Rear

Reliable HVAC Blower Motor Resistor for Chrysler, Dodge, and Jeep

The Dorman 973-420 HVAC blower motor resistor is designed to restore proper blower motor function in select Chrysler, Dodge, and Jeep vehicles. Engineered to meet OEM specifications, this resistor ensures consistent airflow control for your vehicle's heating and cooling system.

• Compatible with Chrysler 300, Pacifica, Town & Country
• Fits Dodge Charger, Durango, Grand Caravan, Magnum models
• Also fits Jeep Grand Cherokee
• Features 2 bolt holes for secure mounting
• Includes 2 rectangular female connectors with male blade terminals
• Does not include wiring harness or mounting hardware
• Package contains blower motor resistor and installation instructions

Product Details and Specifications

The Dorman 973-420 blower motor resistor is designed with two bolt holes for a secure fit in the HVAC system. It features two rectangular female connectors that accept male blade terminals, ensuring reliable electrical connections. The resistor has two or three terminal quantities depending on the wiring configuration, providing compatibility with various blower motor circuits. This part does not include a wiring harness or mounting hardware, so existing components must be reused during installation. The package includes the blower motor resistor and detailed instructions to assist with proper installation.

Compatible Vehicles and Applications

This blower motor resistor is compatible with a range of Chrysler, Dodge, and Jeep models, including the Chrysler 300, Pacifica, and Town & Country, Dodge Charger, Durango, Grand Caravan, and Magnum, as well as the Jeep Grand Cherokee. It is designed to replace faulty or worn resistors that affect blower motor speed control and HVAC performance.

Common Issues Resolved by This Blower Motor Resistor

• Inconsistent or no blower motor speeds
• Blower motor stuck on one speed setting
• Intermittent HVAC airflow problems
• Overheating or electrical resistance failures in blower motor circuit
• Loss of climate control functionality in compatible Chrysler, Dodge, and Jeep models

Installation Notes and Tips

Installation requires removal of the HVAC blower motor housing to access the resistor. Ensure the vehicle’s battery is disconnected before beginning work to prevent electrical shorts. Since mounting hardware and wiring harness are not included, retain original components for reinstallation. Follow the included instructions carefully to connect the rectangular female connectors to the male blade terminals securely. Verify proper fitment with the two bolt holes and test blower motor operation after installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 973-420 blower motor resistor undergoes quality control testing to ensure durability and reliable performance. This part is backed by Dorman’s limited warranty, providing coverage against defects in materials and workmanship under normal use.