GMB 500-1005 Fuel Pump Wiring Harness

Fuel Pump Wiring Harness for OE-Style Repair

This GMB fuel pump wiring harness is manufactured to meet or exceed OEM specifications for dependable electrical connection at the fuel pump. It is a direct-fit replacement for a range of Chevrolet, Pontiac, Isuzu, Honda, and Oldsmobile applications, including Chevrolet Cavalier, Pontiac Sunfire, and Isuzu Rodeo models.

• Fuel pump wiring harness for air and fuel delivery repair
• Built to meet or exceed OEM specifications
• Direct replacement for select GM, Isuzu, and Honda applications
• Cross-reference part number: Airtex WH3001
• Cross-reference part number: Delphi FA10004
• Part number: GMB 500-1005

Detailed Fitment and Application

Compatible With 2001-2005 Chevrolet Cavalier, 2004-2005 Chevrolet Classic, 2000-2005 Pontiac Grand Am, 2001-2005 Pontiac Sunfire, 2002-2004 Isuzu Axiom, 1997-2004 Isuzu Rodeo, 2000-2004 Oldsmobile Alero, 2000-2003 Chevrolet Malibu, 1998-2002 Honda Passport, 1996-2000 Isuzu Hombre, 1997-1999 Chevrolet Astro, and 1997-1999 GMC Safari. Additional fitment includes 2000 Chevrolet Cavalier with plastic fuel tank and 2000 Pontiac Sunfire with plastic fuel tank.

Use GMB 500-1005 when replacing a damaged, corroded, or heat-affected fuel pump harness that can interrupt power delivery to the pump. This part supports reliable electrical continuity in vehicles that rely on a stable fuel pump circuit, including Chevrolet Cavalier and Pontiac Sunfire fuel system repairs.

Common Problems This Part Can Address

• Intermittent fuel pump operation
• No-start condition caused by poor pump power delivery
• Corroded, brittle, or damaged wiring at the fuel tank
• Voltage loss in the fuel pump circuit
• Electrical connection issues during fuel pump service

Installation Notes and Tips

Verify the vehicle year, make, model, and fuel tank configuration before ordering, especially for 2000 Chevrolet Cavalier and 2000 Pontiac Sunfire applications with a plastic fuel tank. Inspect the connector, terminals, and surrounding harness routing for heat damage or corrosion before installation. Confirm all electrical connections are fully seated and secured after replacement.

Quality Assurance

GMB manufactures this harness to meet or exceed OEM specifications for fit and function. The part number 500-1005 is listed with multiple interchange references for application matching, including Airtex WH3001 and Delphi FA10004.