Airtex WH3003 Fuel Pump Wiring Harness

Fuel Pump Wiring Harness for OE-Style Repair

The Airtex WH3003 fuel pump wiring harness restores a secure electrical connection where the original harness has worn, damaged, or corroded. Built for specific-fit applications, it supports reliable fuel pump operation on select Chevrolet S10, GMC Sonoma, and Isuzu Hombre models with a square connector.

Key Features

• Specific-fit fuel pump wiring harness for targeted vehicle applications
• Grey connector with square shape for proper mating
• 4-wire, 4-terminal design with pin terminals
• Built to meet or exceed OE specifications
• Direct replacement for damaged or corroded electrical connections
• Compatible with 1997-2002 Chevrolet S10, 1997-2000 GMC Sonoma, and 1997-2000 Isuzu Hombre with square connector

Detailed Description

Airtex WH3003 is a fuel pump wiring harness engineered for specific applications where the factory connector has deteriorated. The grey square connector, pin terminals, and 4-wire layout are matched to the original connection style, helping maintain a dependable electrical path to the fuel pump. This harness is a practical OE-style replacement for 1997-2002 Chevrolet S10, 1997-2000 GMC Sonoma, and 1997-2000 Isuzu Hombre models equipped with the square connector. This part cross-references Bosch WHGM67XMOD for the same application.

Common Problems This Part Can Address

• Intermittent fuel pump power caused by a damaged connector
• Corrosion at the original wiring connection
• Heat-related deterioration of the harness plug
• Poor terminal contact from worn pin connections
• Starting or drivability issues related to unstable fuel pump electrical supply

Installation Notes and Tips

Verify connector shape, terminal style, and vehicle application before installation. This harness is a specific-fit part, so confirm that your vehicle uses the square connector listed for the application. Inspect the surrounding wiring and fuel pump connection points for corrosion or heat damage before completing the repair.

Quality Assurance

Airtex designs these wiring harnesses to replace worn, damaged, or corroded electrical connections and to meet or exceed OE specifications for dependable service life.