Four Seasons 36673 A/C Condenser Fan Switch

Reliable A/C Condenser Fan Switch for Buick, Oldsmobile, Pontiac

The Four Seasons Pressure Switch part number 36673 is designed to maintain optimal A/C condenser fan operation in select Buick, Oldsmobile, and Pontiac models. Engineered for system-mounted installation, this pressure switch ensures proper fan cycling based on refrigerant pressure levels.

• Connector color: Gray with 2 male terminals
• Fitting thread size: 3/8 in. x 24
• Operates between 185 psi (off) and 220 psi (on)
• Constructed from durable plastic and metal materials
• Compatible with harness connector 37222 and includes item 24606
• Meets or exceeds OEM specifications

About the Four Seasons Pressure Switch Product Line

The Pressure Switch line from Four Seasons focuses on pressure-activated components that regulate HVAC system functions. This A/C condenser fan switch is part of that line, providing precise control of the condenser fan based on system pressure to protect the A/C system and maintain efficient cooling performance.

Product Details and Specifications

This A/C condenser fan switch (part number 36673) is system mounted and features a pressure-operated style designed to open the fan circuit when pressure reaches 220 psi and close it at 185 psi. The gray connector with two male terminals ensures secure electrical connections. Its 3/8 in. x 24 fitting thread size allows for proper installation in compatible HVAC systems. The combination of plastic and metal materials offers durability and resistance to typical automotive operating conditions.

Common Applications and Problem Resolution

• Prevents condenser fan from running continuously, reducing wear
• Ensures fan activates only when refrigerant pressure is high enough for cooling
• Helps avoid A/C system overheating due to inadequate fan operation
• Maintains proper pressure levels to protect compressor and other components
• Compatible with Buick LeSabre, Oldsmobile Delta 88, Pontiac Bonneville, and Regal models

Installation Notes and Tips

Install the Four Seasons Pressure Switch 36673 in the system-mounted location specified for your vehicle. Ensure the 3/8 in. x 24 fitting thread is properly sealed to prevent leaks. Connect the gray male connector securely to the matching harness connector 37222. Verify the switch operates within the specified pressure range (185 psi off, 220 psi on) after installation to confirm proper function.

Quality Assurance and Warranty

This Four Seasons Pressure Switch meets or exceeds OEM standards for fit, form, and function. Manufactured with quality plastic and metal components, it is designed for reliable long-term operation in HVAC systems. Please refer to Four Seasons warranty terms for coverage details.