Four Seasons 36485 A/C Clutch Cycle Switch

Overview of Four Seasons Pressure Switch 36485

The Four Seasons Pressure Switch 36485 is a cycling A/C clutch cycle switch designed for reliable pressure control in automotive HVAC systems. Engineered to meet or exceed OEM standards, this system mount pressure switch is compatible with various Ford, Lincoln, Mazda, Mercury, and Nissan models.

• Brand: Four Seasons
• Brand Line: Pressure Switch
• Part Number: 36485
• Type: Pressure switch, cycling style
• Fitting Thread Size: M12 x 1.50 (female)
• Number of Terminals: 2 male pin terminals
• Voltage: 12V
• Material: Plastic and metal construction
• Weather Pack sealed terminals for durability
• Operates between 25 psi (off) and 44 psi (on)
• Compatible with multiple Ford, Lincoln, Mazda, Mercury, and Nissan vehicles

Four Seasons Pressure Switch Product Line

The Pressure Switch line from Four Seasons focuses on precision cycling switches that regulate A/C clutch engagement based on system pressure. This ensures efficient operation of the HVAC system by cycling the compressor clutch on and off at specified pressure thresholds. The 36485 model is part of this line, offering a system mount design with weather-resistant terminals to maintain reliable performance in demanding automotive environments.

Detailed Product Description

The Four Seasons Pressure Switch 36485 is a pressure-activated cycling switch designed to control the A/C clutch cycle in automotive HVAC systems. It features a female fitting with an M12 x 1.50 thread size for secure system mounting. The switch opens at 0 psi and cycles the compressor clutch off at 25 psi and on at 44 psi, maintaining optimal pressure levels. Constructed from durable plastic and metal materials, it includes two male pin terminals with Weather Pack sealing to resist moisture and corrosion. This switch is compatible with a wide range of vehicles including Ford F-150, Lincoln Continental, Mazda B2300, Mercury Mountaineer, and Nissan Quest models.

Common Applications and Issues Addressed

• Regulates A/C compressor clutch cycling to prevent compressor damage
• Maintains proper system pressure for efficient HVAC operation
• Prevents compressor from running under low-pressure conditions
• Helps avoid system freeze-up or overheating due to pressure irregularities
• Replaces faulty or worn pressure switches causing A/C cycling problems

Installation Notes and Tips

• Ensure vehicle compatibility with Ford, Lincoln, Mazda, Mercury, or Nissan models listed
• Verify thread size M12 x 1.50 matches system port
• Disconnect battery before installation to avoid electrical shorts
• Use proper torque specifications to avoid damage to switch or system
• Check terminal connections for secure fit and Weather Pack seal integrity

Quality Assurance and Warranty

The Four Seasons Pressure Switch 36485 meets or exceeds OEM specifications for fit, form, and function. Manufactured with high-quality plastic and metal components, it is designed for durability and reliable operation in automotive HVAC systems. The product includes a warranty that covers defects in materials and workmanship, ensuring confidence in long-term performance.