Dorman 973-406 HVAC Blower Motor Resistor Kit - Front

Reliable HVAC Blower Motor Resistor Kit for Chevrolet and GMC

The Dorman 973-406 HVAC blower motor resistor kit is designed to restore proper blower motor function in Chevrolet Astro and GMC Safari 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
• Wiring harness length: 6 inches for easy installation
• Blade terminal type with 8 terminals for reliable connectivity
• Two male connectors and eight male terminals included
• Two mounting holes for secure attachment (mounting hardware not included)
• Compatible with Chevrolet Astro and GMC Safari models

Detailed Product Description

The Dorman 973-406 blower motor resistor kit is engineered to replace faulty or worn blower motor resistors in select Chevrolet and GMC vehicles. The included wiring harness, measuring 6 inches in length, features blade-type terminals and male connectors designed to match factory specifications. With eight terminals and two connectors, this kit ensures a stable electrical connection to the HVAC system. The resistor itself is mounted using two mounting holes, allowing for a secure fit within the blower motor assembly. This kit does not include mounting hardware or gaskets, so existing hardware should be reused or sourced separately.

Common Applications and Issues Resolved

• Restores blower motor speed control in Chevrolet Astro and GMC Safari
• Fixes blower motor resistor failures causing no airflow or limited fan speeds
• Eliminates intermittent blower motor operation due to wiring harness damage
• Addresses overheating or electrical resistance issues in the HVAC system
• Prevents blower motor from running only on high speed

Installation Notes and Tips

• Ensure vehicle ignition is off before installation to avoid electrical shock
• Use existing mounting hardware to secure the resistor using the two mounting holes
• Verify connector orientation; the kit includes male connectors and terminals
• Check wiring harness length (6 inches) for proper routing and clearance
• Inspect related HVAC components for wear or damage during installation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 973-406 blower motor resistor kit undergoes rigorous quality control to ensure reliable performance in Chevrolet Astro and GMC Safari vehicles. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.