Global Parts 1711975 HVAC Blower Motor Resistor

HVAC Blower Motor Resistor for GM Climate Control

Global Parts 1711975 is an HVAC blower motor resistor for vehicles with automatic climate control and a pigtail-style connection where listed. It is used in climate control systems on Chevrolet, GMC, Cadillac, Buick, Saab, Isuzu, and Oldsmobile applications across multiple model years.

Key Features

• HVAC blower motor resistor for automatic A/C systems
• Fits front HVAC applications where noted in the vehicle listing
• Application-specific pigtail connection on listed vehicles
• Cross-references Dorman OE Solutions 973-508 and Four Seasons 20340
• Global Parts part number 1711975

Application Details

This resistor is used in climate control systems on vehicles such as the Chevrolet Trailblazer, GMC Envoy, and Cadillac Escalade, along with Silverado and Sierra truck platforms. It also covers select Impala, Tahoe, Yukon, Rainier, Bravada, and Saab 9-7x applications. Always make sure electrical components are free of debris and moisture before installing.

This part cross-references Dorman OE Solutions 973-508 and Four Seasons 20340 for the same application.

What It Helps Fix

• Blower motor only working on certain fan speeds
• No cabin airflow from the HVAC vents
• Intermittent blower operation in automatic climate control systems
• Heat or A/C fan speed control problems
• Electrical faults at the blower resistor connector area

Installation Notes

Verify the vehicle year, make, model, and HVAC configuration before ordering. Confirm the connector style and inspect the harness, pigtail, and surrounding area for corrosion, debris, or moisture before installation. Match the listed application notes for front automatic A/C systems where specified.

Quality Assurance

Global Parts 1711975 is built for the listed OE-style applications and is identified for use in the fitments shown above. Use the vehicle-specific notes to confirm proper selection for Chevrolet Silverado 1500, GMC Sierra 1500, and related GM HVAC systems.