Four Seasons 37227 A/C Compressor Cut-Out Switch Harness Connector

Harness Connector for A/C Compressor Switch Repair

The Four Seasons 37227 harness connector is a round, 2-pin connector built for A/C compressor cut-off switch harness repair. It is a male connector with female terminals, making it a direct-fit electrical repair solution for many GM applications from 2002-2013.

Use this Four Seasons harness connector when the original A/C compressor switch plug is damaged, heat-cycled, or no longer locking securely. The 37227 is commonly searched as an A/C compressor cut-off switch harness connector for Chevrolet Silverado, GMC Sierra, and Cadillac CTS-style HVAC repairs.

Key Features

• Four Seasons Harness Connector, part number 37227
• Round connector shape with 2-pin connector design
• Male housing with female terminals
• Electrical connector style for A/C compressor cut-off switch harness repair
• Used across a wide range of 2002-2013 GM vehicles
• Cross-references UAC HC1032C for the same application

Detailed Description

Four Seasons 37227 is a harness connector intended for repairing the electrical connection at the A/C compressor cut-off switch. The connector’s round profile and 2-terminal layout match common compressor-mounted switch applications found on Cadillac, Chevrolet, and GMC platforms. If you are replacing a brittle, corroded, or broken connector on an HVAC pressure switch circuit, this part provides the connector body needed for a proper harness repair.

Compatible vehicle coverage includes applications such as Fits 2002-2013 Chevrolet Silverado 1500, N/A; Fits 2003-2013 GMC Sierra 1500, N/A; and Fits 2003-2013 Cadillac CTS, N/A. The 37227 part number is also a useful search term when sourcing a replacement for round A/C pressure switch connectors on GM trucks, vans, and SUVs.

Common Repair Uses

• Broken or cracked A/C compressor switch connector housing
• Loose terminal fit at the compressor-mounted pressure switch
• Corrosion or heat damage at the HVAC harness plug
• Intermittent A/C compressor cut-off switch signal
• Failed connector retention at the round 2-pin plug

Installation Notes and Tips

Verify connector shape, terminal count, and terminal gender against the original plug before installation. Inspect the harness side for damaged wiring, pushed-out terminals, or corrosion before transferring the repair connection. Confirm the vehicle-specific locator style and switch style noted in the fitment data, especially on 2012-2013 Chevrolet and Cadillac applications with round connector or 90-degree locator requirements.

Quality Assurance

Four Seasons is a recognized HVAC parts brand, and the 37227 harness connector is cataloged for direct repair use in A/C compressor cut-off switch circuits. Part number 37227 is listed with broad GM fitment coverage for 2002-2013 model years.