HomeHVAC > A/C Clutch and CompressorUniversal Air SW10100C A/C Trinary Switch
Part #: SW10100C

Universal Air SW10100C A/C Trinary Switch

Trinary HPCO CF LPCO
11 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Trinary HPCO CF LPCO
Fitment: Chevrolet, Geo, and Toyota, Prizm and Tercel
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Reliable A/C Trinary Switch for Chevrolet Prizm and Toyota Tercel

The Universal Air Trinary HPCO CF LPCO A/C Trinary Switch (Part Number SW10100C) is designed to maintain optimal air conditioning system performance in select Chevrolet and Toyota models. This switch helps regulate compressor operation to protect your vehicle’s HVAC system.

Key Features of the Universal Air SW10100C

  • Compatible with Chevrolet Prizm and Toyota Tercel models
  • Part of the Trinary HPCO CF LPCO product line for precise HVAC control
  • Ensures proper compressor cycling to prevent system damage
  • Durable construction for long-lasting performance
  • OEM-quality fit and function for reliable replacement

About the Trinary HPCO CF LPCO Product Line

The Trinary HPCO CF LPCO line from Universal Air integrates high-pressure cut-off (HPCO), low-pressure cut-off (LPCO), and compressor cycling functions into a single switch. This combination allows for efficient monitoring and control of the A/C compressor, enhancing system protection and operational reliability. The SW10100C switch is engineered to meet the specific requirements of Chevrolet Prizm and Toyota Tercel HVAC systems within this product line.

Detailed Product Description

The SW10100C A/C Trinary Switch is a critical component in the air conditioning system of Chevrolet Prizm and Toyota Tercel vehicles. It monitors refrigerant pressure levels and cycles the compressor accordingly to maintain system balance. By integrating high and low-pressure cut-off functions, this switch prevents compressor damage caused by abnormal pressure conditions. Its precise fitment ensures seamless installation and consistent performance, making it a dependable replacement part for maintaining your vehicle’s climate control efficiency.

Common Issues Addressed by This A/C Trinary Switch

  • Prevents compressor damage due to high or low refrigerant pressure
  • Stops compressor cycling issues that cause inconsistent cooling
  • Protects the HVAC system from pressure-related failures
  • Helps maintain proper refrigerant flow and system pressure
  • Reduces risk of costly A/C system repairs

Installation Notes and Tips

  • Ensure compatibility with Chevrolet Prizm or Toyota Tercel before installation
  • Disconnect the battery and discharge the A/C system safely prior to replacement
  • Follow manufacturer torque specifications when securing the switch
  • Check for refrigerant leaks after installation
  • Consult vehicle service manual for detailed installation procedures

Quality Assurance and Warranty

Universal Air manufactures the SW10100C A/C Trinary Switch to meet industry standards for durability and performance. While specific warranty details are not provided, Universal Air products typically undergo rigorous quality control to ensure reliable operation in Chevrolet Prizm and Toyota Tercel vehicles. For warranty information, refer to the product packaging or contact the manufacturer directly.

This part fits 11 vehicles. Search below:

YearMakeModelPositionNotes
1999ChevroletPrizmN/Awith Radiator Fan Switch; Trinary HPCO CF LPCO
1998ChevroletPrizmN/Awith Radiator Fan Switch; Trinary HPCO CF LPCO
1997GeoPrizmN/Awith Radiator Fan Switch; Trinary HPCO CF LPCO
1996GeoPrizmN/Awith Radiator Fan Switch; Trinary HPCO CF LPCO
1995GeoPrizmN/Awith Radiator Fan Switch; Trinary HPCO CF LPCO
1994GeoPrizmN/Awith Radiator Fan Switch; Trinary HPCO CF LPCO
1993GeoPrizmN/Awith Radiator Fan Switch; Trinary HPCO CF LPCO
1992GeoPrizmN/Awith Radiator Fan Switch; Trinary HPCO CF LPCO
1991GeoPrizmN/Awith Radiator Fan Switch; Trinary HPCO CF LPCO
1989ToyotaTercelN/Awith Radiator Fan Switch; Trinary HPCO CF LPCO
1988ToyotaTercelN/Awith Radiator Fan Switch; Trinary HPCO CF LPCO

* 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.