Universal Air SW9978C HVAC Blower Motor Resistor - Rear

Reliable HVAC Blower Motor Resistor for Ford, Lincoln, and Mercury

The Universal Air Blower Resistor SW9978C is designed to restore proper blower motor function in select Ford, Lincoln, and Mercury vehicles. This HVAC blower motor resistor ensures consistent fan speed control for your vehicle's heating and cooling system.

• Compatible with Ford Escape, Excursion, Expedition, F-150, F-150 Heritage, Mariner, Mustang, and Lincoln Navigator
• Part number SW9978C for precise identification and fitment
• Designed for HVAC blower motor resistor applications
• Ensures accurate blower motor speed regulation
• Direct replacement part for reliable HVAC performance

About the Universal Air Blower Resistor Product Line

The Universal Air Blower Resistor line focuses on providing dependable HVAC blower motor resistors that meet OEM specifications. The Blower Resistor product line is engineered to maintain proper electrical resistance, allowing your vehicle's blower motor to operate at multiple speeds. This ensures effective climate control in your Ford, Lincoln, or Mercury vehicle.

Product Details and Compatibility

The SW9978C blower motor resistor is specifically designed for use in various Ford, Lincoln, and Mercury models, including the Escape, Excursion, Expedition, F-150, F-150 Heritage, Mariner, Mustang, and Navigator. This part plays a critical role in controlling the blower motor speed by regulating electrical current, which directly affects the HVAC system's ability to provide heating and cooling at different fan speeds.

Common Issues Resolved by This Blower Motor Resistor

• Blower motor stuck on one speed or no speed control
• Intermittent or non-functioning HVAC blower fan
• Inconsistent airflow from vents
• HVAC blower motor not responding to control settings
• Electrical resistance failure causing blower motor malfunction

Installation Notes and Tips

• Ensure vehicle ignition is off before installation
• Locate the blower motor resistor within the HVAC housing, typically under the dashboard
• Disconnect the electrical connector carefully to avoid damage
• Replace the old resistor with the SW9978C part number for exact fit
• Verify blower motor operation at all speed settings after installation

Quality Assurance and Warranty

The Universal Air Blower Resistor SW9978C is manufactured to meet industry standards for durability and performance. While specific warranty details are not provided, Universal Air products typically undergo quality checks to ensure reliable operation in HVAC systems of compatible Ford, Lincoln, and Mercury vehicles.