Global Parts 1711803 A/C Compressor Cut-Out Switch

A/C Compressor Cut-Off Switch for Select GM and Dodge Applications

Global Parts 1711803 is an A/C compressor cut-off switch that sends feedback to the engine management system and helps control compressor operation on supported vehicles. In modern systems, the ECM manages A/C function; in earlier applications, this switch can directly shut the compressor off to help prevent damage from low-pressure conditions.

• Electrical A/C compressor cut-off switch for HVAC system control
• Provides feedback to the engine management system
• Used in low-pressure cut-off applications
• Direct replacement style for select Chevrolet Camaro, Pontiac Firebird, and Dodge van applications
• Cross-references Four Seasons 37311 for the same application

Detailed Product Information

This Global Parts 1711803 switch is used in HVAC systems where compressor protection and system feedback are required. It is listed for 1993-2002 Chevrolet Camaro, 1993-1997 Pontiac Firebird, and 1997 Dodge B1500, B2500, B3500, Ram 1500 Van, Ram 2500 Van, and Ram 3500 Van applications. For Chevrolet Camaro and Pontiac Firebird service, the part is identified as a low pressure cut off switch; for the Dodge van applications, it is also listed as a low pressure cut off switch and requires the 1711452 pigtail.

Part number 1711803 is also referenced by several interchange numbers, making it easier to match against existing catalog listings when servicing A/C compressor cut-off switch concerns on Chevrolet Camaro and Pontiac Firebird models.

Common Problems This Part Addresses

• A/C compressor cycling off due to low refrigerant pressure switch input
• Compressor shutdown caused by a failed cut-off switch
• Loss of ECM feedback for A/C system operation
• Intermittent compressor engagement on select Camaro, Firebird, and Dodge van models
• Protection issues in older compressor control systems

Installation Notes

Verify the vehicle application before installation and confirm the connector style matches the existing harness. Dodge B1500, B2500, B3500, Ram 1500 Van, Ram 2500 Van, and Ram 3500 Van applications require the 1711452 pigtail. Follow factory service procedures for refrigerant system diagnosis and electrical testing before replacing the switch.

Quality Assurance

Global Parts supplies this HVAC switch as a cataloged replacement part for the listed applications. The part number 1711803 is supported by published fitment data and interchange references for application matching.