Global Parts 1711431 A/C Clutch Cycle Switch

A/C Clutch Cycle Switch for Accumulator-Mounted Systems

Global Parts 1711431 is an A/C clutch cycle switch with a cycling switch design for vehicles that use accumulator-mounted HVAC control. It provides feedback to the engine management system so the ECM can manage A/C operation, and on earlier applications it helps cycle the compressor off to reduce the risk of compressor failure. This Global Parts 1711431 switch is a direct-fit service part for a wide range of GM and Audi applications.

• Cycling switch design for A/C clutch control
• Provides feedback to the engine management system
• Accumulator-mounted application style
• Regular production black finish on listed applications
• Cross-references Dorman OE Solutions 904-624 and UAC SW9938C

Detailed Product Information

This A/C clutch cycle switch is used in HVAC systems where compressor cycling is controlled by pressure feedback at the accumulator. On modern vehicles, the ECM uses that signal to regulate A/C operation; on earlier vehicles, the switch helps shut the compressor off before operating conditions can damage the system. It is listed for applications including Chevrolet S10 Blazer, GMC Jimmy, Chevrolet C1500, GMC K1500, Audi 80, and Audi 90 Quattro. Global Parts 1711431 is also referenced for 1993 Chevrolet Lumina APV, Oldsmobile Silhouette, and Pontiac Trans Sport with an R134A retrofit kit.

Compatible With 1988-1994 Chevrolet and GMC truck and SUV platforms, plus select 1991-1993 Audi and GM minivan applications, this part number is a practical replacement when diagnosing A/C cycling concerns. Global Parts 1711431 is also searched as part number 1711431 for accumulator-mounted A/C clutch cycle switch service.

What It Helps Address

• Compressor short-cycling caused by a faulty pressure switch
• A/C compressor staying engaged when system pressure control is incorrect
• Intermittent cooling performance tied to switch signal loss
• ECM feedback issues on electronically managed A/C systems
• Accumulator-mounted switch failure on listed Chevrolet, GMC, and Audi vehicles

Installation Notes and Tips

Verify the vehicle uses an accumulator-mounted cycling switch before ordering. Match the connector style, mounting location, and application notes, especially on 1988 vehicles that require an R134A retrofit kit. Confirm the vehicle year, make, and model against the fitment list for Chevrolet S10 Blazer, GMC Jimmy, Chevrolet C1500, GMC K1500, Audi 80, and Audi 90 Quattro applications.

Quality Assurance

Global Parts 1711431 is built as a service replacement for the listed HVAC applications and follows the specified cycling switch configuration for accumulator-mounted systems.