Dorman 901-252 HVAC Blower Fan Switch

Overview of Dorman HVAC Blower Fan Switch 901-252

The Dorman HVAC Blower Fan Switch 901-252 is a reliable manual twist switch designed for HVAC systems in select Ford and Mercury vehicles. This black plastic switch features a blade terminal type with four male terminals and a female connector, ensuring secure and efficient electrical connections.

• Color: Black
• Switch Type: Twist
• Activation Type: Manual
• Terminal Type: Blade
• Terminal Quantity: 4
• Connector Gender: Female
• Terminal Gender: Male
• Housing Material: Plastic
• Package Contents: 1 blower motor switch

Detailed Product Description

The Dorman 901-252 HVAC blower fan switch is engineered to provide precise control over the blower motor speed in HVAC systems. Its manual twist activation allows drivers to adjust airflow easily within the vehicle’s cabin. Constructed with durable plastic housing and equipped with four male blade terminals and a female connector, this switch ensures a secure fit and reliable electrical contact. The design is compatible with various Ford and Mercury models, including the Ford Aerostar, E-150 series, E-250, E-350, Mustang, and Mercury Sable and Taurus, making it a practical replacement part for maintaining HVAC functionality.

Compatible Vehicles and Applications

This blower fan switch is compatible with the following Ford and Mercury vehicles:

• Ford Aerostar
• Ford E-150, E-150 Club Wagon, E-150 Econoline, E-150 Econoline Club Wagon
• Ford E-250, E-250 Econoline
• Ford E-350, E-350 Club Wagon, E-350 Econoline, E-350 Econoline Club Wagon, E-350 Super Duty
• Ford Econoline, Econoline Van, Econoline Wagon
• Ford Mustang
• Mercury Sable
• Mercury Taurus

Common Issues Addressed by This Switch

• Intermittent or non-functioning blower motor speeds
• Inability to adjust HVAC fan speed manually
• Electrical connection failures due to worn terminals
• Blower motor stuck on a single speed setting
• HVAC system blower switch malfunction causing airflow issues

Installation Notes and Tips

• Ensure the vehicle’s ignition is off before installation to avoid electrical hazards
• Disconnect the battery to prevent short circuits during replacement
• Verify the connector gender and terminal type match the vehicle’s wiring harness
• Carefully remove the old blower fan switch to avoid damaging the dashboard or wiring
• Test the new switch after installation to confirm proper blower motor operation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing dependable performance and durability. The 901-252 blower fan switch undergoes rigorous quality control to ensure consistent operation in compatible Ford and Mercury vehicles. Warranty coverage details can be obtained from the product packaging or manufacturer documentation.