Global Parts 1711420 A/C Trinary Switch

Global Parts A/C Trinary Switch for BMW

Global Parts 1711420 is an A/C trinary switch built for HVAC systems that rely on electrical feedback to manage compressor operation and system protection. It is a direct-fit style replacement for select BMW 318i, 318is, 318ti, 320i, 325i, 325is, and M3 applications from 1992-1995.

• Terminal type: pin
• Connector shape: rectangle
• Connector gender: female
• Designed for A/C system feedback to the engine management system
• Used on vehicles where the ECM controls A/C operation

Fitment Details

• Fits 1995 BMW 318i, Trinary Switch; Before 01/1995
• Fits 1995 BMW 318is, Trinary Switch; Before 01/1995
• Fits 1995 BMW 318ti, Trinary Switch; Before 01/1995
• Fits 1992-1995 BMW 320i, A/C trinary switch - fits various vehicles, please check compatibility
• Fits 1995 BMW 325i, Trinary Switch; Before 01/1995
• Fits 1992-1995 BMW 325is, A/C trinary switch - fits various vehicles, please check compatibility
• Fits 1995 BMW M3, Trinary Switch; Before 01/1995
• Fits 1992-1994 BMW 318i, A/C trinary switch - fits various vehicles, please check compatibility
• Fits 1992-1994 BMW 318is, A/C trinary switch - fits various vehicles, please check compatibility
• Fits 1992-1994 BMW 325i, A/C trinary switch - fits various vehicles, please check compatibility

What This Part Helps Address

• A/C compressor cycling that is not responding correctly
• Loss of electrical feedback to the engine management system
• Compressor shutdown logic related to pressure or system protection
• Intermittent A/C operation on BMW 318i and 325i platform vehicles
• Faults tied to a worn or failed BMW A/C trinary switch

Installation Notes

Verify connector style before installation: this unit uses a rectangular female connector with pin terminals. Confirm the vehicle build date where noted, especially 1995 BMW 318i, 318is, 318ti, 325i, and M3 applications listed as before 01/1995. This part cross-references Four Seasons 36573 for the same application.

Quality Assurance

Global Parts supplies HVAC electrical components for service replacement use. Part number 1711420 is listed with interchange references including UAC SW11222C and other OE-style cross references for the same BMW A/C switch application.