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Four Seasons 36669 A/C Condenser Fan Switch
Overview of Four Seasons Pressure Switch 36669
The Four Seasons Pressure Switch 36669 is a system-mounted A/C condenser fan switch designed for select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles. Engineered to meet or exceed OEM specifications, this pressure switch ensures reliable operation of the condenser fan in your vehicle's HVAC system.
- Connector color: Red with male terminals
- Terminal quantity: 2
- Fitting thread size: 3/8 in. x 24
- Material: Durable plastic and metal construction
- Operating pressure range: 185 psi (off) to 250 psi (on)
- System-mounted design for direct installation
- Compatible harness connector: 37227
- Includes one item 24606
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. Its design supports efficient cooling and helps maintain optimal air conditioning performance in compatible vehicles.
Detailed Product Description
The Four Seasons Pressure Switch 36669 is a pressure-style condenser fan switch that activates the fan when system pressure reaches 250 psi and deactivates it at 185 psi. Featuring a red male connector with two terminals, it is designed for system-mounted installation using a 3/8 in. x 24 fitting thread size. Constructed from a combination of plastic and metal, this switch offers durability and reliable performance. It is compatible with a range of GM vehicles including the Buick Skylark, Cadillac Cimarron, Chevrolet Camaro, Cavalier, Corvette, Lumina, Oldsmobile Firenza, and Pontiac Firebird.
Common Applications and Issues Addressed
- Regulates condenser fan operation to prevent overheating
- Maintains proper A/C system pressure for efficient cooling
- Prevents compressor damage due to improper fan cycling
- Ensures consistent airflow through the condenser
- Helps avoid system shutdowns caused by pressure irregularities
Installation Notes and Tips
- Verify compatibility with your vehicle’s make and model before installation
- Use the correct harness connector (part number 37227) for proper electrical connection
- Ensure the fitting thread size matches the system mount location
- Inspect the mounting area for debris or damage prior to installation
- Follow manufacturer torque specifications to avoid leaks or damage
Quality Assurance and Warranty
This Four Seasons Pressure Switch 36669 meets or exceeds OEM standards for fit, form, and function. Manufactured with quality plastic and metal materials, it is designed for long-lasting performance in demanding automotive HVAC environments. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Four Seasons |
| Part Number | 36669 |
| Position | Pressure Switch |
| Connector Color | Red |
| Connector Gender | Male |
| Description | Switch-Pressure /System Mount |
| Fan Open/Closed | Closed |
| Fitting Thread Size | 3/8 in. x 24 |
| Harness Connector | 37227 |
| Item Included A Desc | 24606 |
| Item Included A Qty. | 1 |
| Material | Plastic / Metal |
| Meets / Exceeds OEM? | YES |
| Mnt Sys Loc | System Mounted |
| Operate Psi Med Off | 185 |
| Operate Psi Med On | 250 |
| Style | Pressure |
| Terminal Quantity | 2 |
| Type | Condenser Fan |
This part fits 34 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1993 | Chevrolet | Corvette | N/A | Hi-Side Mounted; Pressure Switch | ||
| 1992 | Chevrolet | Camaro | N/A | Hi-Side Mounted; Pressure Switch | ||
| 1992 | Chevrolet | Corvette | N/A | Hi-Side Mounted; Pressure Switch | ||
| 1992 | Pontiac | Firebird | 3.1L | V6 | N/A | Hi-Side Mounted; Pressure Switch |
| 1991 | Chevrolet | Camaro | N/A | Hi-Side Mounted; Pressure Switch | ||
| 1991 | Chevrolet | Corvette | N/A | Hi-Side Mounted; Pressure Switch | ||
| 1991 | Pontiac | Firebird | 3.1L | V6 | N/A | Hi-Side Mounted; Pressure Switch |
| 1990 | Chevrolet | Camaro | N/A | Hi-Side Mounted; Pressure Switch | ||
| 1990 | Chevrolet | Corvette | N/A | Hi-Side Mounted; Pressure Switch | ||
| 1990 | Chevrolet | Lumina | 2.5L | L4 | N/A | Hi-Side Mounted; Pressure Switch |
| 1990 | Pontiac | Firebird | 3.1L | V6 | N/A | Hi-Side Mounted; Pressure Switch |
| 1989 | Chevrolet | Camaro | N/A | Hi-Side Mounted; Pressure Switch | ||
| 1989 | Chevrolet | Corvette | N/A | Hi-Side Mounted; Pressure Switch | ||
| 1989 | Pontiac | Firebird | 2.8L | V6 | N/A | Hi-Side Mounted; Pressure Switch |
| 1988 | Chevrolet | Camaro | N/A | Hi-Side Mounted; Pressure Switch | ||
| 1988 | Chevrolet | Corvette | N/A | Hi-Side Mounted; Pressure Switch | ||
| 1988 | Pontiac | Firebird | 2.8L | V6 | N/A | Hi-Side Mounted; Pressure Switch |
| 1987 | Cadillac | Cimarron | 2.8L | V6 | N/A | Hi-Side Mounted; Pressure Switch |
| 1987 | Chevrolet | Camaro | N/A | Hi-Side Mounted; Pressure Switch | ||
| 1987 | Chevrolet | Corvette | N/A | Hi-Side Mounted; Pressure Switch | ||
| 1987 | Pontiac | Firebird | 2.8L | V6 | N/A | Hi-Side Mounted; Pressure Switch |
| 1986 | Cadillac | Cimarron | 2.8L | V6 | N/A | Hi-Side Mounted; Pressure Switch |
| 1986 | Chevrolet | Camaro | N/A | Hi-Side Mounted; Pressure Switch | ||
| 1986 | Chevrolet | Cavalier | 2.8L | V6 | N/A | Hi-Side Mounted; Pressure Switch |
| 1986 | Chevrolet | Corvette | N/A | Hi-Side Mounted; Pressure Switch | ||
| 1986 | Oldsmobile | Firenza | 2.8L | V6 | N/A | Hi-Side Mounted; Pressure Switch |
| 1986 | Pontiac | Firebird | 2.8L | V6 | N/A | Hi-Side Mounted; Pressure Switch |
| 1985 | Buick | Skylark | N/A | Hi-Side Mounted; Pressure Switch | ||
| 1985 | Cadillac | Cimarron | 2.8L | V6 | N/A | Hi-Side Mounted; Pressure Switch |
| 1985 | Chevrolet | Camaro | N/A | Hi-Side Mounted; Pressure Switch | ||
| 1985 | Chevrolet | Cavalier | N/A | Hi-Side Mounted; Pressure Switch | ||
| 1985 | Chevrolet | Corvette | N/A | Hi-Side Mounted; Pressure Switch | ||
| 1985 | Oldsmobile | Firenza | 2.8L | V6 | N/A | Hi-Side Mounted; Pressure Switch |
| 1985 | Pontiac | Firebird | 2.8L | V6 | N/A | Hi-Side Mounted; Pressure Switch |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.