Four Seasons 36662 A/C Condenser Fan Switch

Four Seasons 36662 Pressure Switch Overview

Four Seasons 36662 is a system-mounted A/C condenser fan pressure switch built for HVAC pressure control in select GM applications. It uses a blue male connector, 2 terminals, and a 3/8 in. x 24 fitting thread size for a direct-style service replacement.

Compatible With Buick Century, Chevrolet Cavalier, Corsica, Celebrity, Cadillac Cimarron, Oldsmobile Cutlass Ciera, Firenza, Pontiac 6000, Skyhawk, and Firebird applications listed below, this Four Seasons Pressure Switch is built to meet OEM requirements.

Key Features

• Four Seasons Pressure Switch line, part number 36662
• System-mounted condenser fan pressure switch for A/C control
• Blue male connector with 2 terminals
• 3/8 in. x 24 fitting thread size
• Plastic and metal construction
• Meets or exceeds OEM specifications
• Operates at 215 psi on and 455 psi off

Detailed Product Description

This Four Seasons 36662 pressure switch monitors refrigerant system pressure and signals the condenser fan circuit when pressure reaches the specified operating range. It is a pressure-style, system-mounted switch with a harness connector reference of 37222 and an included item reference of 24606. The design supports direct replacement service on vehicles that use a hi-side mounted pressure switch, including 1987-1992 Buick Century, 1987-1991 Chevrolet Cavalier, and 1988-1991 Chevrolet Corsica applications. This part cross-references Hayden 5043 and UAC SW11176C for the same application.

Vehicle Fitment

• Fits 1989-1992 Buick Century, Hi-Side Mounted; Pressure Switch
• Fits 1987-1989 Buick Skyhawk, Hi-Side Mounted; Pressure Switch
• Fits 1987-1991 Chevrolet Cavalier, Hi-Side Mounted; Pressure Switch
• Fits 1988-1991 Chevrolet Corsica, Hi-Side Mounted; Red; 2 Term.; Pressure Switch
• Fits 1987-1990 Chevrolet Celebrity, Hi-Side Mounted; Red; 2 Term.; Pressure Switch
• Fits 1988 Cadillac Cimarron, Hi-Side Mounted; Pressure Switch
• Fits 1987-1987 Oldsmobile Cutlass Ciera, Hi-Side Mounted; Pressure Switch
• Fits 1987-1988 Oldsmobile Firenza, Hi-Side Mounted; Pressure Switch
• Fits 1990-1992 Oldsmobile Cutlass Ciera, Hi-Side Mounted; Pressure Switch
• Fits 1989-1991 Pontiac 6000, Hi-Side Mounted; Red; 2 Term.; Pressure Switch
• Fits 1987-1987 Pontiac Firebird, Hi-Side Mounted; Pressure Switch

Installation Notes and Tips

• Verify the connector style, terminal count, and thread size before installation.
• Inspect the harness connector and mating terminals for corrosion or damage.
• Confirm the vehicle uses a hi-side mounted pressure switch location.
• Recover refrigerant and follow proper A/C service procedures before removing the switch.
• Check system pressure and fan operation after installation.

Quality Assurance

Four Seasons lists this pressure switch as meeting or exceeding OEM requirements for the specified application. The Four Seasons 36662 part number is also referenced in aftermarket interchange listings for service identification.