Dorman 645-1001 Fuel Injection Harness Connector

Dorman 645-1001 Fuel Injection Harness Connector

This Dorman fuel injection harness connector is built for clean electrical repairs and accessory installations where a secure injector connection matters. It uses weatherproof terminals and a locking tab to help maintain a reliable quick-disconnect connection on Ford fuel injector wiring.

• Fuel injection harness connector for electrical repair at the injector
• Female connector with 2-wire configuration
• Spade terminal design with weatherproof terminals
• Locking tab helps maintain a secure connection
• Overall length: 390 mm
• Wire gauge: 14
• Terminal material: plastic
• Includes butt connectors for splicing

Application Details

Compatible with Ford E-350 Club Wagon, Excursion, F-250 Super Duty, F-350 Super Duty, E-350 Econoline Club Wagon, E-350 Econoline, F-250 HD, F-350, and F-250 injector wiring applications listed below. This Dorman 645-1001 connector is used on 2-wire injector circuits and is a direct-fit style repair part for restoring the electrical link at the injector.

• Fits 2003 Ford E-350 Club Wagon, N/A, w/2 Wires; To Injector
• Fits 2000-2003 Ford Excursion, N/A, w/2 Wires; To Injector
• Fits 1999-2003 Ford F-250 Super Duty, N/A, w/2 Wires; To Injector
• Fits 1999-2003 Ford F-350 Super Duty, N/A, w/2 Wires; To Injector
• Fits 1995-2002 Ford E-350 Econoline Club Wagon, N/A, w/2 Wires; To Injector
• Fits 1995-1998 Ford E-350 Econoline, N/A, w/2 Wires; To Injector
• Fits 1997 Ford F-250 HD, N/A, w/2 Wires; To Injector
• Fits 1996-1997 Ford F-350, N/A, w/2 Wires; To Injector
• Fits 1996 Ford F-250, N/A, w/2 Wires; To Injector

What It Helps Repair

• Broken or heat-damaged injector connector terminals
• Intermittent injector electrical connection
• Corroded or loose wiring at the injector plug
• Damaged pigtail wiring during engine harness repair
• Failed quick-disconnect retention at the injector

Installation Notes

Match the connector style, wire count, and terminal layout before installation. Use proper splicing practices for the 14-gauge wiring and verify a solid lock at the injector after connection. The 390 mm harness length provides routing flexibility during repair work on Ford E-350, Excursion, and Super Duty injector circuits.

Quality Assurance

Dorman designs this connector for a clean installed appearance and dependable electrical contact in injector repair applications. Part number 645-1001 is also referenced as a replacement for 577.99516 and 2501107C1 for the same application.