Four Seasons 36490 HVAC Cut-Off Switch

Overview of Four Seasons Pressure Switch 36490

The Four Seasons Pressure Switch 36490 is designed for reliable HVAC system control in select Chrysler, Dodge, and Plymouth vehicles. This system-mounted pressure switch helps maintain proper pressure levels to ensure efficient operation of your vehicle's air conditioning system.

• Compatible with Chrysler Caravan, Grand Caravan, Grand Voyager, Town & Country, and Voyager models
• High cut-out style pressure switch with operate psi high on at 300 and off at 435
• Durable plastic and metal construction with gray color finish
• Female connector and fitting with 10mm x 1.25 thread size
• Weather Pack terminal type with 2 pin terminals for secure electrical connection
• Operates on 12 volts and meets or exceeds OEM specifications

Detailed Product Description

The Four Seasons Pressure Switch 36490 is a pressure-type HVAC cut-off switch designed to be system mounted. It features a closed compressor open/closed state and is built with a combination of plastic and metal materials to withstand typical automotive conditions. The switch includes a female connector and fitting, both with a 10mm x 1.25 thread size, ensuring proper fitment and secure installation. The terminal type is a pin style with two terminals, compatible with Weather Pack connectors, providing reliable electrical connections in the vehicle's HVAC system.

This pressure switch operates at 12 volts and is engineered to activate at a high cut-out pressure of 435 psi, turning on at 300 psi and off at 435 psi to protect the system from pressure extremes. It is designed specifically for use in Chrysler, Dodge, and Plymouth minivans such as the Caravan, Grand Caravan, Grand Voyager, Town & Country, and Voyager, making it a precise replacement part for these models.

About the Four Seasons Pressure Switch Product Line

The Four Seasons Pressure Switch product line focuses on providing reliable pressure sensing components for automotive HVAC systems. These switches are engineered to meet or exceed OEM standards, ensuring compatibility and durability. The 36490 model is part of this line, offering a high cut-out style switch that helps regulate system pressure to maintain optimal air conditioning performance in compatible vehicles.

Common Applications and Issues Addressed

• Prevents compressor damage by cutting off operation at high pressure
• Maintains proper HVAC system pressure for efficient cooling
• Resolves intermittent or no cooling issues related to pressure switch failure
• Eliminates compressor cycling caused by faulty pressure sensing
• Ensures system safety by preventing overpressure conditions

Installation Notes and Tips

• Ensure vehicle compatibility with Chrysler Caravan, Grand Caravan, Grand Voyager, Town & Country, or Voyager models before installation
• Verify the 10mm x 1.25 thread size matches the system port
• Use appropriate tools to avoid damaging the female fitting or connector
• Check electrical connections for secure pin terminal engagement with Weather Pack connectors
• Follow vehicle manufacturer guidelines for HVAC system service and pressure switch replacement

Quality Assurance and Warranty

The Four Seasons Pressure Switch 36490 meets or exceeds OEM specifications, ensuring reliable performance and durability. Constructed from quality plastic and metal materials, this switch is designed to withstand typical automotive environmental conditions. While specific warranty details are not provided, Four Seasons products generally come with a limited warranty covering defects in material and workmanship.