Four Seasons 36491 A/C Condenser Fan Switch

Reliable A/C Condenser Fan Switch for Chrysler, Dodge, Plymouth

The Four Seasons Pressure Switch 36491 is designed to maintain optimal air conditioning performance in select Chrysler, Dodge, and Plymouth vehicles. This system-mounted pressure switch ensures precise fan operation to protect your A/C condenser and evaporator components.

• Connector color: Gray with female terminals
• Two-terminal design for secure electrical connection
• Fitting thread size: 10mm x 1.25 for proper system mounting
• Operates between 240 PSI (off) and 295 PSI (on) to regulate fan activity
• Constructed from durable plastic and metal materials
• Compatible with Chrysler Caravan, Grand Caravan, Grand Voyager, Town & Country, and Voyager models
• Meets or exceeds OEM specifications for reliable performance

About the Four Seasons Pressure Switch Product Line

The Pressure Switch line from Four Seasons focuses on precision pressure sensing components for HVAC systems. This product line includes pressure switches designed to monitor refrigerant pressure and control condenser fan operation, helping maintain system efficiency and prevent damage. The 36491 part is a pressure-type condenser fan switch that fits system-mounted applications, ensuring accurate fan cycling based on refrigerant pressure levels.

Product Details and Specifications

The Four Seasons Pressure Switch 36491 features a gray female connector with two terminals, providing a secure and reliable electrical interface. It mounts directly to the A/C system with a 10mm x 1.25 threaded fitting. The switch operates by opening the fan circuit at 240 PSI and closing it at 295 PSI, allowing the condenser fan to engage only when necessary. Constructed from a combination of plastic and metal, this switch is built to withstand the demands of automotive HVAC environments. It is compatible with various Chrysler, Dodge, and Plymouth minivan models including Caravan, Grand Caravan, Grand Voyager, Town & Country, and Voyager.

Common Applications and Issues Addressed

• Prevents condenser fan from running continuously, reducing wear and energy consumption
• Protects the A/C system from overheating by activating the fan at correct pressure levels
• Helps maintain consistent cabin cooling performance
• Resolves intermittent or non-functioning condenser fan problems
• Addresses pressure switch failures that cause A/C system shutdown or erratic fan behavior

Installation Notes and Tips

Ensure the system is depressurized before removing the old pressure switch to avoid refrigerant loss or injury. Verify the 10mm x 1.25 thread size matches your vehicle’s system mount location. Connect the gray female connector securely to the wiring harness terminals. After installation, test the A/C system to confirm the condenser fan engages and disengages at the correct pressure thresholds. Consult vehicle-specific service manuals for torque specifications and safety precautions.

Quality Assurance and Warranty

The Four Seasons Pressure Switch 36491 meets or exceeds OEM standards for fit, form, and function. Manufactured with durable plastic and metal components, it is engineered for long service life in demanding automotive HVAC conditions. While specific warranty details may vary, Four Seasons typically offers coverage against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.