Dorman 973-186 HVAC Blower Motor Resistor

Reliable HVAC Blower Motor Resistor for Chevrolet Prizm and Pontiac Vibe

The Dorman 973-186 HVAC blower motor resistor is designed to restore proper blower motor function in select Chevrolet and Pontiac models. Engineered to meet OEM specifications, this resistor ensures consistent airflow control for your vehicle's heating and cooling system.

Key Features of the Dorman 973-186 Blower Motor Resistor

• Compatible with Chevrolet Prizm and Pontiac Vibe models
• Equipped with 2 bolt holes for secure mounting
• Features a single rectangular female connector for easy installation
• Includes 4 male blade terminals for reliable electrical connection
• Does not include wiring harness or mounting hardware
• Package contains the blower motor resistor and installation instructions

Detailed Product Description

The Dorman 973-186 blower motor resistor is a critical component in the HVAC system of Chevrolet Prizm and Pontiac Vibe vehicles. It regulates the voltage supplied to the blower motor, allowing for multiple fan speed settings. This resistor features a rectangular female connector with four male blade terminals, ensuring a secure and stable electrical connection. The unit mounts using two bolt holes, providing a firm fit within the HVAC assembly. While the wiring harness and mounting hardware are not included, the package comes with clear instructions to facilitate installation.

Common HVAC Issues Addressed by This Blower Motor Resistor

• Inconsistent or non-functioning blower motor speeds
• Blower motor stuck on a single speed setting
• Intermittent airflow from the HVAC vents
• Complete loss of blower motor operation
• Electrical resistance failure causing HVAC system malfunctions

Installation Notes and Tips

• Ensure the vehicle is turned off and the battery is disconnected before installation
• Locate the blower motor resistor within the HVAC housing of Chevrolet Prizm or Pontiac Vibe
• Remove the old resistor by unscrewing the two mounting bolts and disconnecting the electrical connector
• Install the Dorman 973-186 resistor by securing it with the two bolt holes and reconnecting the rectangular female connector
• Verify proper blower motor operation across all fan speeds after installation

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 973-186 blower motor resistor undergoes rigorous quality control to ensure consistent operation. This part is backed by Dorman's limited warranty, covering defects in materials and workmanship under normal use.