Four Seasons 37289 HVAC Blend Door Actuator Connector

HVAC Blend Door Actuator Connector

Four Seasons 37289 is a harness connector for HVAC electrical repair work, built as a rectangular, 4-terminal connector with male gender and female terminals. It is used for blend door actuator and mode door actuator connector repairs on select GM and Isuzu applications, including Chevrolet Trailblazer and GMC Envoy models.

The Four Seasons Harness Connector line focuses on replacement electrical connectors for HVAC service, giving technicians a direct way to address damaged actuator plugs and related harness issues without changing the full control system.

Key Features

• Four Seasons part number 37289
• HVAC blend door actuator connector / mode door actuator connector
• Rectangular connector shape for a secure electrical interface
• Male connector body with 4 female terminals
• Used in harness connector repair applications
• Fits select 2002-2008 Chevrolet, GMC, and Isuzu HVAC systems

Detailed Description

Four Seasons 37289 is an HVAC harness connector designed for repair of blend door actuator and mode door actuator wiring connections. It is listed for 2002-2006 Chevrolet Trailblazer, 2002-2006 Chevrolet Trailblazer EXT, 2002-2006 GMC Envoy XL, 2004-2005 GMC Envoy XUV, and 2003-2008 Isuzu Ascender applications. This part number 37289 is also cross-referenced to 12102633 and A78310 for the same application.

For buyers searching for a Chevrolet Trailblazer HVAC blend door actuator connector, GMC Envoy XL mode door actuator connector, or Isuzu Ascender harness connector repair, this connector provides the specified terminal layout and rectangular housing needed for electrical restoration at the actuator connection point.

Common Repair Uses

• Broken or heat-damaged HVAC actuator connector housing
• Corroded or loose terminals at the blend door actuator plug
• Intermittent HVAC mode door operation caused by poor connector contact
• Wiring repair after connector damage during actuator service
• Restoring electrical continuity at the HVAC actuator harness connection

Installation Notes

Verify connector style, terminal count, and terminal gender before installation. Match the existing harness and actuator plug on the vehicle, then inspect the wiring for heat damage, corrosion, or backed-out terminals before completing the repair. Confirm fitment for the specific Chevrolet Trailblazer, GMC Envoy, GMC Envoy XL, GMC Envoy XUV, or Isuzu Ascender application listed for your model year.

Quality Assurance

Four Seasons supplies HVAC electrical components and connector repair parts for service applications. Part number 37289 is cataloged for the listed vehicle fitments and cross-references OE-style numbers 12102633 and A78310 for the same application.