Four Seasons 37268 HVAC Blower Control Switch Connector - Rear

Four Seasons 37268 Harness Connector

The Four Seasons 37268 harness connector is a rectangular, 4-terminal HVAC connector built for blower control switch and rear HVAC circuit repairs. It uses a male connector body with female terminals and is listed for a wide range of GM full-size SUVs and vans, including Chevrolet Tahoe, Suburban, Avalanche, and GMC Yukon applications.

Key Features

• Four Seasons Harness Connector, part number 37268
• Male connector body with 4 female terminals
• Rectangular connector shape for HVAC wiring repair
• Used in blower control switch and rear HVAC connector applications
• Cross-references Hella 1073 for the same application
• Also referenced by 1P1705 and 645596

Product Details

Four Seasons 37268 is an HVAC blower control switch connector designed for repair work where the original harness connector is damaged, heat-affected, or no longer making a secure electrical connection. This harness connector is used across multiple GM platforms, including Chevrolet Tahoe, GMC Yukon, and Cadillac Escalade models, with fitment covering rear unit and manual control configurations in select applications. The Four Seasons harness connector line focuses on direct electrical connection service parts for HVAC control circuits, and this 37268 connector follows the listed 4-terminal rectangular design for those repairs.

This part cross-references Hella 1073 for the same application.

Vehicle Fitment

• Fits 2007 Chevrolet Suburban 1500, N/A — w/ Auxiliary Blower; Multiple Connectors Required; Harness Connector
• Fits 2007 Chevrolet Suburban 2500, N/A — w/ Auxiliary Blower; Multiple Connectors Required; Harness Connector
• Fits 2007 Chevrolet Tahoe, N/A — w/ Auxiliary Blower; Multiple Connectors Required; Harness Connector
• Fits 2007 GMC Yukon, N/A — w/ Auxiliary Blower; Multiple Connectors Required; Harness Connector
• Fits 2007 GMC Yukon XL 1500, N/A — w/ Auxiliary Blower; Multiple Connectors Required; Harness Connector
• Fits 2007 GMC Yukon XL 2500, N/A — w/ Auxiliary Blower; Multiple Connectors Required; Harness Connector
• Fits 2002-2006 Cadillac Escalade, N/A — Multiple Connectors Required; Harness Connector
• Fits 2000 Cadillac Escalade, N/A — Multiple Connectors Required; Harness Connector
• Fits 2003-2006 Cadillac Escalade ESV, N/A — Multiple Connectors Required; Harness Connector
• Fits 2003-2006 Cadillac Escalade ESV, N/A — w/o ATC (Automatic Temperature Control); Rear Unit; Harness Connector
• Fits 2004-2006 Cadillac Escalade ESV, Rear — w/o Auto. AC; 4 Term.; Multiple Connectors Required; Harness Connector
• Fits 2002-2006 Cadillac Escalade EXT, N/A — Multiple Connectors Required; Harness Connector
• Fits 2006 Chevrolet Avalanche 1500, N/A — Black; 4 Term. Female; w/ 1 Locking Tab; Harness Connector
• Fits 2006 Chevrolet Avalanche 2500, N/A — Black; 4 Term. Female; w/ 1 Locking Tab; Harness Connector
• Fits 2003-2006 Chevrolet Suburban 1500, N/A — w/o ATC (Automatic Temperature Control); Rear Unit; Harness Connector
• Fits 2003-2006 Chevrolet Suburban 2500, N/A — w/o ATC (Automatic Temperature Control); Rear Unit; Harness Connector
• Fits 2006 Chevrolet Tahoe, N/A — Black; 4 Term. Female; w/ 1 Locking Tab; Harness Connector
• Fits 2000-2006 Chevrolet Tahoe, N/A — Multiple Connectors Required; Harness Connector
• Fits 2003-2006 Chevrolet Tahoe, N/A — w/o Auto. AC; Rear Unit; Harness Connector
• Fits 2000-2006 GMC Yukon, N/A — Multiple Connectors Required; Harness Connector
• Fits 2003-2006 GMC Yukon, N/A — w/o Auto. AC; Rear Unit; Harness Connector
• Fits 2003-2006 GMC Yukon XL 1500, N/A — w/o ATC (Automatic Temperature Control); Rear Unit; Harness Connector
• Fits 2000-2006 GMC Yukon XL 1500, Rear — w/ Manual Control; 4 Term.; Multiple Connectors Required; Harness Connector
• Fits 2003-2006 GMC Yukon XL 2500, N/A — w/o ATC (Automatic Temperature Control); Rear Unit; Harness Connector
• Fits 2000-2006 GMC Yukon XL 2500, Rear — w/ Manual Control; 4 Term.; Multiple Connectors Required; Harness Connector
• Fits 2005 Chevrolet Astro, N/A — Black; 4 Term. Female; Harness Connector
• Fits 2000-2001 Chevrolet Astro, N/A — Black; 4 Term. Female; Harness Connector
• Fits 2003-2005 Chevrolet Tahoe, Rear — Multiple Connectors Required; Auxiliary Unit; Harness Connector
• Fits 2005 GMC Safari, N/A — Black; 4 Term. Female; Harness Connector
• Fits 2004 Chevrolet Astro, N/A — Harness Connector
• Fits 2002 Chevrolet Astro, N/A — Harness Connector
• Fits 2000-2004 GMC Safari, N/A — Harness Connector
• Fits 2003 Cadillac Escalade ESV, Rear — w/ Manual Control; 4 Term.; Multiple Connectors Required; Harness Connector
• Fits 2000-2003 Chevrolet Tahoe, N/A — Black; 4 Term. Female; Harness Connector
• Fits 2002 Chevrolet Avalanche 1500, N/A — Multiple Connectors Required; Harness Connector
• Fits 2002 Chevrolet Avalanche 2500, N/A — Multiple Connectors Required; Harness Connector
• Fits 2000-2002 Chevrolet Suburban 1500, N/A — w/ Manual AC; Rear Unit; Harness Connector
• Fits 2000-2002 Chevrolet Suburban 2500, N/A — w/ Manual AC; Rear Unit; Harness Connector
• Fits 2000-2002 GMC Yukon XL 1500, N/A — w/o Auto. AC; Rear Unit; Harness Connector
• Fits 2000-2002 GMC Yukon XL 2500, N/A — w/o Auto. AC; Rear Unit; Harness Connector
• Fits 2000 GMC C2500, N/A — 4 Term.; Multiple Connectors Required; Switch Only; Harness Connector
• Fits 1999-2000 GMC C3500, N/A — 4 Term.; Multiple Connectors Required; Switch Only; Harness Connector
• Fits 1997-2000 Oldsmobile Silhouette, N/A — Black; 4 Term. Female; w/ 1 Locking Tab; Harness Connector
• Fits 1999-2000 Pontiac Montana, N/A — Black; 4 Term. Female; w/ 1 Locking Tab; Harness Connector
• Fits 1999 GMC C1500, N/A — Black; 4 Term.; Multiple Connectors Required; Switch Only; Harness Connector
• Fits 1999 GMC C2500, N/A — Black; 4 Term.; Multiple Connectors Required; Switch Only; Harness Connector
• Fits 1997-1998 Pontiac Trans Sport, N/A — Black; 4 Term. Female; w/ 1 Locking Tab; Harness Connector

Common Repair Uses

• Broken or heat-damaged HVAC blower control switch connector
• Intermittent blower motor speed control due to poor terminal contact
• Rear HVAC electrical connector failure in GM SUVs and vans
• Damaged locking tab or connector housing at the control switch
• Electrical repair on manual or auxiliary HVAC circuits

Installation Notes

Verify the connector shape, terminal count, and terminal gender against the original part before installation. This connector is listed for multiple GM vehicles and several HVAC configurations, so match the vehicle year, model, and rear or auxiliary unit notes carefully. For best results, inspect the mating terminals, wiring condition, and any heat damage at the switch or harness before completing the repair.

Quality Assurance

Four Seasons catalogs this part as a harness connector for HVAC service applications, with direct interchange references that help confirm application matching during repair planning. Part number 37268 is listed for use in GM HVAC connector repairs where the original connector has failed or no longer maintains a reliable electrical connection.