Dorman 973-421 HVAC Blower Motor Resistor Kit

Reliable HVAC Blower Motor Resistor Kit for Dodge and Jeep

The Dorman 973-421 HVAC Blower Motor Resistor Kit is designed to restore proper blower motor function in select Dodge and Jeep vehicles. This kit includes a blower motor resistor and a wiring harness to ensure a secure and efficient electrical connection.

• Includes 1 blower motor resistor and 1 wiring harness
• Wiring harness length: 6 inches for easy installation
• Blade terminal type with 4 male terminals and 1 female connector
• Equipped with 2 mounting holes for secure attachment
• Compatible with Dodge Ram 1500, 2500, 3500 and Jeep Grand Cherokee, Grand Wagoneer models

Product Features and Specifications

This HVAC blower motor resistor kit features a 6-inch wiring harness that simplifies the connection process. The blade terminal type ensures a reliable electrical contact with 4 male terminals and a single female connector. The kit includes two mounting holes for proper and stable installation, although mounting hardware is not included. The wiring harness is pre-attached, reducing installation time and potential wiring errors.

Compatible Vehicles and Part Number Details

The Dorman 973-421 blower motor resistor kit is compatible with various Dodge and Jeep models, including the Dodge Ram 1500, Ram 2500, Ram 3500, Jeep Grand Cherokee, and Grand Wagoneer. Using the correct part number 973-421 ensures proper fitment and function within these vehicles' HVAC systems.

Common Applications and Problem Resolution

• Restores blower motor speed control in HVAC systems
• Resolves issues with blower motor not operating at certain speeds
• Fixes intermittent blower motor operation or complete failure
• Eliminates overheating or electrical resistance problems in blower circuits
• Improves overall HVAC system reliability and comfort

Installation Notes and Tips

Before installation, disconnect the vehicle battery to prevent electrical shorts. The included wiring harness simplifies the replacement process, but ensure the blade terminals are securely connected. Use the two mounting holes to fasten the resistor firmly in place; mounting hardware is not included, so retain original screws or purchase compatible fasteners. Verify compatibility with your specific Dodge or Jeep model using the part number 973-421.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 973-421 blower motor resistor kit undergoes rigorous quality control to ensure durability and reliable performance. Warranty coverage details can be obtained from the product packaging or Dorman's official documentation.