Four Seasons 37594 HVAC Blower Control Switch - Front

HVAC Blower Control Switch for Manual Climate Control

The Four Seasons Selector Switch 37594 is an HVAC blower control switch built for manual climate control systems. It uses a male rectangular connector with 4 terminals and meets or exceeds OEM requirements for direct replacement service.

For Nissan Quest and Mercury Villager applications, this selector switch restores blower speed selection at the dashboard control. The Four Seasons Selector Switch line focuses on replacement HVAC switching components for vehicles that rely on manual blower control.

Key Features

• HVAC blower control switch / selector switch
• Male rectangular connector for a direct-fit electrical connection
• 4-terminal design
• Meets or exceeds OEM specifications
• Built for manual HVAC blower control systems
• Four Seasons part number 37594

Product Details

This blower switch is used to command fan speed settings in the HVAC control panel. It is listed for 1993-2002 Mercury Villager and 1993-2002 Nissan Quest applications, including front-position Villager models and Quest vehicles with manual HVAC control. Cross-reference part numbers include 276600B000 and A10194 for the same application.

Common Issues It Can Address

• Blower motor only works on certain speed settings
• HVAC fan speed selector does not respond
• Intermittent blower operation at the dash control
• Worn or damaged switch contacts in the climate control panel
• Electrical connection problems at the blower control switch

Installation Notes

Verify the vehicle year, make, model, and HVAC configuration before ordering. This part is listed for manual control systems and some applications note incompatibility with ATC-related connectors. Confirm the connector shape, terminal count, and original switch layout against the existing unit before installation.

Quality Assurance

Four Seasons lists this selector switch as meeting or exceeding OEM specifications, supporting replacement use in HVAC repair work where factory-style fit and function are required.