Dorman 973-543 HVAC Blower Motor Resistor Kit - Front or Rear

Reliable HVAC Blower Motor Resistor Kit for Nissan and Infiniti

The Dorman 973-543 HVAC Blower Motor Resistor Kit is designed to restore proper blower motor function in select Nissan and Infiniti 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 with a 6-inch length
• Features 4 male blade terminals and 1 female connector for reliable connectivity
• Wiring harness included for straightforward installation
• Equipped with 4 mounting holes for secure attachment (mounting hardware not included)
• Compatible with multiple Nissan and Infiniti models including Armada, Frontier, Pathfinder, Quest, QX56, TITAN, and Xterra

Detailed Product Description and Specifications

The Dorman 973-543 blower motor resistor kit is engineered to replace faulty resistors that control the speed of the HVAC blower motor. The included wiring harness measures 6 inches in length and contains 4 wires, facilitating a direct and secure electrical connection. The terminals are blade type, with 4 male terminals on the harness connecting to a single female connector on the resistor. This design ensures compatibility and ease of installation without the need for additional wiring modifications. The resistor features 4 mounting holes to secure it firmly in place, although mounting hardware is not included in the kit.

Compatible Nissan and Infiniti Models

This blower motor resistor kit is compatible with a range of Nissan and Infiniti vehicles, including the Nissan Armada, Frontier, Pathfinder, Quest, QX56, TITAN, and Xterra. It is specifically designed to meet the electrical and mechanical requirements of these models, ensuring proper HVAC blower motor operation.

Common Issues Addressed by This Blower Motor Resistor Kit

• HVAC blower motor only works on certain speeds or not at all
• Intermittent blower motor operation or inconsistent airflow
• Complete loss of blower motor function
• Electrical connection failures due to worn or damaged terminals
• Overheating or resistor failure causing HVAC system malfunctions

Installation Notes and Tips

Installation of the Dorman 973-543 blower motor resistor kit requires basic automotive electrical knowledge. The included wiring harness simplifies the replacement process by providing a direct plug-and-play connection. Ensure the vehicle’s ignition is off before beginning installation. Use the 4 mounting holes to secure the resistor firmly in place, noting that mounting hardware is not included and may need to be sourced separately. Verify all electrical connections are tight and free of corrosion to maintain optimal performance.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 973-543 blower motor resistor kit undergoes rigorous quality control to ensure durability and reliable operation. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.