Dorman 973-539 HVAC Blower Motor Resistor Kit

Overview of Dorman HVAC Blower Motor Resistor Kit 973-539

The Dorman HVAC Blower Motor Resistor Kit 973-539 is designed specifically for Mazda Protege and Protege5 models. This kit includes a blower motor resistor and a wiring harness to ensure proper electrical connection and reliable HVAC blower motor operation.

• Includes 1 blower motor resistor and 1 wiring harness
• Wiring harness length: 6 inches for optimal fit
• Terminal type: blade terminals for secure connections
• Connector quantity: 1 female connector included
• Wire quantity: 4 wires with male terminals
• Mounting hole quantity: 2 for stable installation
• Wiring harness included for direct replacement
• No mounting hardware or gasket/seal included

Detailed Product Description

This Dorman HVAC blower motor resistor kit (part number 973-539) is engineered to restore proper blower motor speed control in Mazda Protege and Protege5 vehicles. The kit features a 6-inch wiring harness with four wires terminated by male blade terminals, connecting to a single female connector on the resistor. The resistor itself mounts securely using two mounting holes, ensuring a stable fit within the HVAC system. The included wiring harness simplifies installation by providing a direct electrical connection without the need for additional wiring modifications.

Compatible Vehicles and Common Applications

This blower motor resistor kit is compatible with the following Mazda models:

• Mazda Protege
• Mazda Protege5

It is used to address issues such as:

• Inconsistent blower motor speeds
• Blower motor only working on high speed
• HVAC blower motor failure to operate
• Intermittent blower motor function
• Electrical connection problems within the blower motor circuit

Installation Notes and Tips

• Ensure the vehicle is powered off before installation
• Disconnect the battery to prevent electrical shorts
• Remove the old blower motor resistor and wiring harness carefully
• Use the included wiring harness for a direct plug-and-play connection
• Secure the resistor using the two mounting holes to prevent vibration damage
• Verify all electrical connections are tight and free of corrosion

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 973-539 blower motor resistor kit undergoes rigorous quality control to ensure durability and reliable performance in Mazda Protege and Protege5 vehicles. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship.