Dorman 973-578 HVAC Blower Motor Resistor Kit

Reliable HVAC Blower Motor Resistor Kit for Buick Rendezvous

The Dorman 973-578 HVAC Blower Motor Resistor Kit is designed specifically for the Buick Rendezvous, providing a dependable solution for blower motor speed control issues. This kit includes a blower motor resistor and a wiring harness to ensure proper electrical connectivity and performance.

• Compatible with Buick Rendezvous models
• Includes 1 blower motor resistor and 1 wiring harness
• Wiring harness length: 18.5 inches for flexible installation
• Blade terminal type with 6 terminals (male and female)
• Single female connector with 4 wires for secure connections
• Includes gasket or seal to prevent moisture intrusion
• Three mounting holes for stable and secure installation
• Wiring harness included for a complete repair solution

Product Details and Specifications

The Dorman 973-578 blower motor resistor kit features a wiring harness measuring 18.5 inches, allowing for easy routing within the HVAC system of the Buick Rendezvous. The blade terminal type ensures compatibility with factory wiring, featuring six terminals with both male and female genders to match the vehicle’s electrical connectors. The kit includes one female connector and four wires, providing a straightforward replacement process. Additionally, the included gasket or seal helps protect the resistor from environmental factors such as moisture and dust, which can affect performance and longevity. The resistor mounts securely using three mounting holes, ensuring a stable fit within the HVAC assembly.

Common Applications and Issues Resolved

• Restores proper blower motor speed control in Buick Rendezvous HVAC systems
• Eliminates inconsistent or non-functioning blower speeds
• Prevents overheating and electrical resistance failures
• Addresses blower motor resistor failures causing no airflow or limited fan speeds
• Replaces damaged or corroded wiring harness components

Installation Notes and Tips

• Ensure the vehicle is powered off before installation to avoid electrical hazards
• Verify the connector gender and terminal types match the factory wiring harness
• Use the included gasket or seal to maintain a moisture-resistant connection
• Secure the resistor using the three mounting holes to prevent vibration damage
• Check all electrical connections for tightness and corrosion before final assembly

Quality Assurance and Warranty Information

Dorman parts are engineered to meet or exceed OEM specifications for fit, form, and function. The 973-578 blower motor resistor kit undergoes rigorous quality control to ensure reliable operation within the HVAC system of the Buick Rendezvous. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.