Universal Air SW10100C A/C Trinary Switch

Universal Air Trinary A/C Switch for Select Prizm and Tercel Applications

Universal Air SW10100C is a Trinary HPCO CF LPCO A/C trinary switch for select Chevrolet Prizm, Geo Prizm, and Toyota Tercel applications with a radiator fan switch. It is used in HVAC systems that need pressure-based compressor control and fan activation logic.

Key Features

• Part number: SW10100C
• Universal Air Trinary HPCO CF LPCO product line
• A/C trinary switch for HVAC compressor and fan control
• Fits 1998-1999 Chevrolet Prizm, N/A, with Radiator Fan Switch; Trinary HPCO CF LPCO
• Fits 1991-1997 Geo Prizm, N/A, with Radiator Fan Switch; Trinary HPCO CF LPCO
• Fits 1988-1989 Toyota Tercel, N/A, with Radiator Fan Switch; Trinary HPCO CF LPCO

Product Details

The Universal Air Trinary HPCO CF LPCO line is built for A/C systems that require both high-pressure and low-pressure cutoff functions along with condenser fan control. SW10100C is the correct style of switch for vehicles listed with a radiator fan switch, including Chevrolet Prizm, Geo Prizm, and Toyota Tercel fitments. If you are replacing a failed A/C pressure switch on a Prizm or Tercel platform, SW10100C provides the specified trinary switch configuration for those applications.

Common Issues This Part Addresses

• A/C compressor cycling problems caused by pressure switch failure
• Condenser fan control issues tied to the trinary switch circuit
• Compressor shutdown from incorrect high-pressure cutoff operation
• Low-pressure cutoff faults that interrupt A/C operation
• HVAC performance concerns on vehicles with radiator fan switch integration

Installation Notes

Verify the existing switch style, connector, and system configuration before installation. This part is listed for vehicles with a radiator fan switch and should be matched to the original A/C control setup on the vehicle. Confirm fitment by year, make, model, and HVAC configuration before replacing the original component.

Quality Assurance

Universal Air SW10100C is cataloged for the specific applications shown above and should be selected to match the original trinary switch function in the vehicle’s A/C system.