Four Seasons 37249 HVAC Blower Control Switch Connector

Four Seasons 37249 Harness Connector

The Four Seasons 37249 harness connector is a rectangular, male HVAC blower control switch connector with 6 female terminals. It is used in HVAC electrical repairs where the original connector is heat-damaged, loose, or no longer making a reliable connection.

Built for vehicle-specific HVAC harness repair, this Four Seasons harness connector supports direct replacement needs on a wide range of Chevrolet and GMC applications, including Express, Savana, Camaro, Firebird, Tahoe, Suburban, Yukon, Lumina, Monte Carlo, Grand Prix, and Cavalier models.

Key Features

• Brand: Four Seasons Harness Connector
• Part number: 37249
• HVAC blower control switch connector application
• Male connector with 6 female terminals
• Rectangular connector shape for OEM-style harness repair
• Used in HVAC switch and blower control circuit service

Product Details

Four Seasons 37249 is a harness connector designed for HVAC electrical service where the blower control switch connector needs replacement. The rectangular housing and 6-terminal layout support repair work on factory-style wiring connections found in Chevrolet and GMC vans, SUVs, and passenger cars. If you are searching for a Four Seasons 37249 connector for a Chevrolet Express 1500, GMC Savana 2500, or Pontiac Grand Prix HVAC repair, this part matches the listed applications.

This part cross-references A77297 for the same application.

What It Helps Fix

• Intermittent HVAC blower operation caused by a poor connector connection
• Heat damage at the blower control switch connector
• Broken, brittle, or corroded harness terminals
• Electrical resistance at the HVAC control circuit
• Connector replacement needs during blower switch or harness repair

Installation Notes and Tips

• Verify connector shape, terminal count, and terminal gender before installation.
• Match the vehicle’s HVAC configuration, including rear A/C, auxiliary blower, or auxiliary heater notes shown in fitment.
• Inspect the mating switch, terminals, and surrounding wiring for heat damage before reconnecting.
• Confirm the repair against the vehicle’s factory wiring diagram for the exact application.

Quality Assurance

Four Seasons is a recognized aftermarket brand for HVAC service parts and electrical connectors. Part number 37249 is listed for direct-fit applications across multiple Chevrolet and GMC platforms, including 2004-2007 Chevrolet Express and GMC Savana vans, as well as 1993-2002 Camaro and Firebird HVAC connector service.

Fits 2004-2007 Chevrolet Express 1500, w/ Rear AC; Harness Connector. Fits 2004-2007 Chevrolet Express 2500, w/ Rear AC; Harness Connector. Fits 2004-2007 Chevrolet Express 3500, w/ Rear AC; Harness Connector. Fits 2004-2007 GMC Savana 1500, w/ Rear AC; Harness Connector. Fits 2004-2007 GMC Savana 2500, w/ Rear AC; Harness Connector. Fits 2004-2007 GMC Savana 3500, w/ Rear AC; Harness Connector. Fits 2000-2005 Chevrolet Cavalier, w/o AC; 6 Term. Female; Multiple Connectors Required; w/o Electric Rear Defogger; Harness Connector. Fits 2003 Chevrolet Express 1500, w/ Auxiliary Blower; Harness Connector. Fits 2003 Chevrolet Express 2500, w/ Auxiliary Blower; Harness Connector. Fits 2003 Chevrolet Express 3500, w/ Auxiliary Blower; Harness Connector. Fits 2001-2003 GMC Savana 1500, w/ Auxiliary Blower; Harness Connector. Fits 2001-2003 GMC Savana 2500, w/ Auxiliary Blower; Harness Connector. Fits 2001-2003 GMC Savana 3500, w/ Auxiliary Blower; Harness Connector. Fits 1993-2002 Chevrolet Camaro, Harness Connector. Fits 1996-2002 Chevrolet Express 1500, Compatible with models having an auxiliary heater.; Harness Connector. Fits 1996-2002 Chevrolet Express 2500, Compatible with models having an auxiliary heater.; Harness Connector. Fits 1996-2002 Chevrolet Express 3500, Compatible with models having an auxiliary heater.; Harness Connector. Fits 1993-2002 Pontiac Firebird, Harness Connector. Fits 1995-1999 Chevrolet C1500 Suburban, Compatible with models having an auxiliary heater.; Harness Connector. Fits 1995-1999 Chevrolet C2500 Suburban, Compatible with models having an auxiliary heater.; Harness Connector. Fits 1995-1999 Chevrolet K1500 Suburban, Compatible with models having an auxiliary heater.; Harness Connector. Fits 1995-1999 Chevrolet K2500 Suburban, Compatible with models having an auxiliary heater.; Harness Connector. Fits 1995-1999 Chevrolet Suburban 1500, Compatible with models having an auxiliary heater.; Harness Connector. Fits 1995-1999 Chevrolet Suburban 1500, w/ Auxiliary Blower; In Dash; Rear; Harness Connector. Fits 1995-1998 Chevrolet Tahoe, Compatible with models having an auxiliary heater.; Harness Connector. Fits 1995-1998 GMC C1500 Suburban, Compatible with models having an auxiliary heater.; Harness Connector. Fits 1995-1998 GMC C2500 Suburban, Compatible with models having an auxiliary heater.; Harness Connector. Fits 1995-1998 GMC K1500 Suburban, Compatible with models having an auxiliary heater.; Harness Connector. Fits 1995-1998 GMC K2500 Suburban, Compatible with models having an auxiliary heater.; Harness Connector. Fits 1995-1998 GMC Yukon, Compatible with models having an auxiliary heater.; Harness Connector. Fits 1995-1997 Chevrolet Lumina, Harness Connector. Fits 1995-1997 Chevrolet Monte Carlo, Harness Connector. Fits 1996 Chevrolet G30, Compatible with models having an auxiliary heater.; Harness Connector. Fits 1994-1996 Pontiac Grand Prix, Harness Connector.