Four Seasons 37251 HVAC Blower Motor Resistor Harness - Front

Harness Connector for HVAC Repair

Four Seasons 37251 is a female HVAC blower motor resistor harness connector built for front-unit electrical repairs on a wide range of Chevrolet and GMC vans. With a rectangular body and 6 female terminals, it supports direct connector replacement where heat-damaged or broken wiring plugs need to be restored.

This Four Seasons Harness Connector line focuses on serviceable electrical connections for HVAC and related front-unit components. Part number 37251 is used in applications across Chevrolet Express and GMC Savana platforms, including front-position repairs on models with standard or heavy-duty heater configurations.

Key Features

• Female harness connector with a rectangular shape
• 6-terminal design for HVAC blower motor resistor harness applications
• Front-unit service connector for select Chevrolet and GMC vehicles
• Direct-fit style replacement for damaged or worn electrical plugs
• Four Seasons part number 37251

Detailed Description

Four Seasons 37251 is an HVAC blower motor resistor harness connector designed for repair work on Chevrolet Express and GMC Savana electrical systems. It is listed for front-position applications and appears in fitments covering 1996-2018 Chevrolet Express 1500, Express 2500, and Express 3500, plus 1996-2018 GMC Savana 1500, Savana 2500, and Savana 3500. Additional coverage includes Chevrolet Astro, GMC Safari, Chevrolet G30, and GMC G3500 applications where the connector style matches the vehicle harness.

This part cross-references Champion Spark Plug 806 for the same application. If you are servicing a Chevrolet Express 2500 front HVAC circuit or a GMC Savana 3500 front harness connection, 37251 provides the connector format specified for those repairs.

What It Helps Repair

• Broken or heat-damaged HVAC blower motor resistor connector plugs
• Intermittent blower operation caused by poor terminal contact
• Melted or corroded front-unit harness connections
• Electrical connection issues on Chevrolet Express and GMC Savana HVAC circuits
• Connector mismatch during front HVAC harness service

Installation Notes and Tips

Verify the connector shape, terminal count, and terminal gender before installation. Confirm the vehicle position and heater configuration against the fitment listing, especially on Chevrolet Express and GMC Savana models with standard, heavy-duty heater, or front-unit notes. Compare the existing connector to Four Seasons 37251 before final assembly to ensure the harness plug matches the original application.

Quality Assurance

Four Seasons supplies HVAC electrical service components for repair-focused applications, and this connector is cataloged for specific OE-style fitment across multiple Chevrolet and GMC platforms. Use the listed vehicle coverage and connector attributes to confirm application accuracy before installation.