Four Seasons 37209 A/C Compressor Wiring Harness

Four Seasons 37209 Harness Adapter

The Four Seasons 37209 harness adapter is a 12-inch extension coil wire for GM products, built for A/C compressor wiring harness applications that need a connector extender. It uses a female connector layout with rectangular connectors and 2 terminals for a direct-style electrical interface.

Four Seasons Harness Adapter 37209 is used in A/C compressor wiring harness service where the original compressor connector needs added reach or a replacement adapter path. This harness connector adapter is listed across a wide range of GM, Chevrolet, and GMC truck and van applications, including HD6, HR6, R4, LTR4, DA6, and V5 compressor setups.

Key Features

• Brand: Four Seasons
• Part number: 37209
• Harness adapter / harness connector extender for A/C compressor wiring
• 12-inch extension coil wire for GM products
• Rectangular connector shape on both ends
• 2-terminal design with female connector configuration
• Cross-reference example: Gates 22810

Fitment Highlights

• Fits 1995-1996 Chevrolet G30, compatible with A/C compressor featuring HD6 model and harness connector-extender.
• Fits 1995-1996 GMC G3500, compatible with A/C compressor featuring HD6 model and harness connector-extender.
• Fits 1992-1994 Chevrolet G10, G20, and G30, HR6 compressor harness connector-extender applications.
• Fits 1988-1992 Chevrolet C1500, C2500, C3500, K1500, K2500, and K3500, compressor with LTR4 and harness connector-extender applications.
• Fits 1987-1991 GMC G1500, G2500, G3500, Jimmy, and related truck applications with LTR4 or DA6/HR6 compressor setups.
• Fits 1985-1988 Chevrolet Astro, S10 Blazer, and related GM truck and van applications with V5 or R4 compressor harness extender needs.
• Fits 1985-1989 Buick Century, LeSabre, Regal, and Skylark applications listed with DA6, HR6, or R4 compressor harness connector extender requirements.

What This Part Helps Address

• Short or mismatched A/C compressor wiring reach
• Damaged compressor connector interface
• Replacement needs for harness connector-extender applications
• Electrical connection issues at the compressor plug
• Service work on GM A/C systems using HD6, HR6, R4, LTR4, DA6, or V5 compressors

Installation Notes

Verify the compressor style, connector shape, terminal count, and vehicle application before installation. This part is listed as a 12-inch extension coil wire for GM products, so confirm the harness routing and connector orientation match the original A/C compressor wiring harness layout. Use the vehicle fitment notes to match the exact compressor family and model-year combination.

Quality Assurance

Four Seasons is a recognized aftermarket brand for HVAC service parts, and part number 37209 is cataloged for specific GM compressor harness adapter applications. Review the fitment details carefully to confirm the correct application before ordering.