Dorman 973-145 HVAC Blower Motor Resistor Kit

Reliable HVAC Blower Motor Resistor Kit for Toyota and Scion

The Dorman 973-145 HVAC Blower Motor Resistor Kit is designed to restore proper blower motor function in select Toyota and Scion vehicles. This kit includes a blower motor resistor and a 7.5-inch wiring harness, engineered to meet the electrical requirements of your vehicle's HVAC system.

• Includes 1 blower motor resistor and 1 wiring harness with 7.5-inch length
• Features 4 male blade terminals and 1 female connector for secure electrical connections
• Equipped with 2 mounting holes for stable installation (mounting hardware not included)
• Wiring harness includes 4 wires and 4 terminals to ensure proper fit and function
• Compatible with Toyota Yaris and Scion xD models

Technical Details and Compatibility

The Dorman 973-145 blower motor resistor kit is specifically designed for use in Toyota Yaris and Scion xD vehicles. The wiring harness length of 7.5 inches allows for straightforward installation without excess wiring. The blade terminal type ensures a reliable electrical connection, with 4 male terminals connecting to a single female connector. The kit includes two mounting holes to secure the resistor in place, although mounting hardware is not provided. This kit is engineered to replace faulty blower motor resistors that cause inconsistent blower speeds or HVAC system failures.

Common Applications and Problem Resolution

• Restores blower motor speed control in Toyota Yaris and Scion xD HVAC systems
• Resolves issues with blower motor not operating at certain speeds
• Fixes intermittent or no airflow from the HVAC vents
• Addresses electrical connection failures due to worn or damaged resistor terminals
• Eliminates overheating or resistor failure symptoms in the blower motor circuit

Installation Notes and Tips

Installation of the Dorman 973-145 blower motor resistor kit requires basic automotive electrical knowledge. Ensure the vehicle's battery is disconnected before beginning installation. The included wiring harness simplifies connection to the existing HVAC system wiring. Use the two mounting holes to secure the resistor firmly in place; however, mounting hardware must be sourced separately. Verify all blade terminals are fully seated to prevent electrical issues. After installation, test the blower motor at all speed settings to confirm proper operation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 973-145 blower motor resistor kit undergoes quality control testing to ensure reliable performance in Toyota Yaris and Scion xD vehicles. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts. Consult product packaging or Dorman's official resources for exact warranty terms.