Dorman 973-485 HVAC Blower Motor Resistor - Front

Reliable HVAC Blower Motor Resistor for Ford and Lincoln Vehicles

The Dorman 973-485 HVAC blower motor resistor is designed to restore proper blower motor function in select Ford and Lincoln models. Engineered with a wiring harness and blade terminals, this resistor ensures consistent airflow control for your vehicle's heating and cooling system.

• Compatible with Ford F-150, Freestar, Mark LT, Thunderbird, and Lincoln LS models
• Includes a wiring harness with an 18.7-inch length for easy connection
• Features one bolt hole for secure mounting
• Equipped with a single rectangular female connector and four male blade terminals
• Comes with four butt connectors and installation instructions
• Wiring harness included for straightforward replacement

Product Details and Specifications

The Dorman 973-485 blower motor resistor is a critical component in the HVAC system, regulating the voltage supplied to the blower motor to control fan speed. This resistor features a wiring harness measuring 18.7 inches, allowing for flexible installation within the vehicle's HVAC assembly. It has one bolt hole for mounting and a rectangular female connector designed to mate with the vehicle's male terminals. The part includes four male blade terminals and four wires, ensuring proper electrical connections. The package contains the blower motor resistor, wiring harness, four butt connectors, and detailed instructions to assist with installation.

Compatible Vehicles and Common Applications

This blower motor resistor is compatible with several Ford and Lincoln models, including:

• Ford F-150
• Ford Freestar
• Lincoln LS
• Ford Mark LT
• Ford Thunderbird

It is designed to address issues such as inconsistent blower motor speeds, no airflow at certain fan settings, or complete blower motor failure in these vehicles.

Common Issues Resolved by This Blower Motor Resistor

• Blower motor only works on high speed
• Intermittent or no airflow from HVAC vents
• HVAC blower fan not responding to speed controls
• Electrical resistance failure causing fan speed irregularities
• Overheating or burning smell from the HVAC system

Installation Notes and Tips

Installation of the Dorman 973-485 blower motor resistor requires basic automotive electrical knowledge. The included wiring harness and butt connectors facilitate a secure and reliable connection. Ensure the vehicle's ignition is off before beginning installation. Use the single bolt hole to mount the resistor securely in place. Follow the provided instructions carefully to avoid damage to the wiring or connectors. No mounting hardware is included, so retain the original bolt or source an appropriate replacement if necessary.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 973-485 blower motor resistor undergoes quality testing to ensure durability and reliable performance in Ford and Lincoln HVAC systems. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts. Consult product documentation or the supplier for exact warranty terms.