Dorman 973-037 HVAC Blower Motor Resistor - Front

Reliable HVAC Blower Motor Resistor for Chevrolet and GMC Vehicles

The Dorman 973-037 HVAC blower motor resistor is designed to restore proper blower motor function in select Chevrolet and GMC trucks and SUVs. This replacement part ensures consistent airflow control for your vehicle's heating and cooling system.

• Terminal Type: Blade for secure electrical connection
• Includes blower motor resistor and installation instructions
• Compatible with multiple Chevrolet and GMC models including Blazer, C1500, K1500, Yukon, and Suburban variants
• Mounting hardware not included, designed for direct replacement

Product Details and Compatibility

The Dorman 973-037 blower motor resistor is engineered to meet or exceed OEM specifications for HVAC blower motor resistors. It features blade-type terminals that provide a reliable electrical connection to the vehicle’s wiring harness. This part is compatible with a range of Chevrolet and GMC vehicles such as the Chevrolet Blazer, C1500, C2500, C3500, and their Suburban versions, as well as GMC K1500, K2500, K3500, and Yukon models. The resistor controls the blower motor speed by regulating current flow, enabling multiple fan speed settings.

Common Applications and Problem Resolution

• Restores blower motor speed control in Chevrolet and GMC trucks and SUVs
• Resolves issues with blower motor only working on high speed or not at all
• Fixes inconsistent or no airflow from HVAC vents
• Addresses electrical resistance failures causing HVAC blower malfunction

Installation Notes and Tips

Installation of the Dorman 973-037 blower motor resistor requires removal of the HVAC blower motor housing to access the resistor assembly. Ensure the vehicle’s battery is disconnected before beginning installation to prevent electrical shorts. The blade terminal type allows for straightforward connection to the existing wiring harness. Since mounting hardware is not included, reuse the original screws or bolts during installation. Follow the included instructions carefully for proper placement and secure mounting.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet industry standards for durability and performance. The 973-037 blower motor resistor undergoes quality checks to ensure reliable operation within the HVAC system. This part comes with a limited warranty covering defects in material and workmanship, providing confidence in its long-term functionality for Chevrolet and GMC vehicles.