Universal Air SW9972C HVAC Blower Motor Resistor - Rear

Reliable HVAC Blower Motor Resistor for GM Trucks and SUVs

The Universal Air Blower Resistor SW9972C is designed to restore proper blower motor function in select Cadillac, Chevrolet, and GMC vehicles. This HVAC blower motor resistor ensures consistent fan speed control for models like the Escalade EXT, Suburban 1500, Suburban 2500, Yukon, Yukon XL 1500, and Yukon XL 2500.

• Compatible with Cadillac Escalade EXT and Chevrolet Suburban 1500/2500
• Fits GMC Yukon and Yukon XL 1500/2500 models
• Part number SW9972C for precise identification
• Part of the Universal Air Blower Resistor product line
• Designed for HVAC blower motor speed regulation

About the Universal Air Blower Resistor Product Line

The Blower Resistor line from Universal Air focuses on components that regulate blower motor speeds within vehicle HVAC systems. This product line provides reliable resistors engineered to maintain consistent airflow control, ensuring proper heating and cooling performance in compatible GM trucks and SUVs. The SW9972C resistor is a direct replacement part within this line, designed to meet OEM specifications for fit and function.

Product Description and Application

The SW9972C blower motor resistor controls the electrical current to the blower motor, enabling multiple fan speed settings in your vehicle’s HVAC system. Over time, resistors can fail due to heat and electrical stress, causing blower motors to operate only on certain speeds or not at all. This replacement resistor is compatible with a range of GM vehicles, including Cadillac Escalade EXT, Chevrolet Suburban 1500 and 2500, and GMC Yukon and Yukon XL 1500 and 2500 models. Installing this resistor restores proper fan speed control and improves cabin comfort.

Common Issues Resolved by the SW9972C Blower Resistor

• Blower motor only works on high speed or limited speeds
• Intermittent blower motor operation
• No airflow from HVAC vents at certain fan settings
• Inconsistent heating or cooling performance
• Electrical resistance failure causing blower motor malfunction

Installation Notes and Tips

• Ensure vehicle ignition is off before installation
• Locate the blower motor resistor typically near the blower motor housing under the dashboard
• Disconnect the electrical connector carefully to avoid damage
• Replace the old resistor with the SW9972C, securing it properly to prevent vibration issues
• Test blower motor speeds after installation to confirm proper operation

Quality Assurance and Warranty

The Universal Air Blower Resistor SW9972C is manufactured to meet industry standards for durability and performance. While specific warranty details are not provided, Universal Air products typically undergo quality control to ensure reliable operation in HVAC systems of compatible Cadillac, Chevrolet, and GMC vehicles.