GBR 522-054 Fuel Injection Harness

Fuel Injector Harness Repair

GBR Fuel Injector Wiring Harness 522-054 is a complete repair solution for the Ford 6.0L Power Stroke fuel injector circuit. It replaces a damaged OE harness between the Fuel Injection Control Module (FICM) and the injectors to restore proper routing and reduce chafing-related failures.

Compatible With 2005-2007 Ford F-250 Super Duty, 2005-2007 Ford F-350 Super Duty, and 2005 Ford Excursion. This harness is a direct-fit service part for common Ford 6.0L Power Stroke injector wiring repairs.

Key Features

• Fuel injector wiring harness for Ford 6.0L Power Stroke applications
• Connects the FICM to the fuel injectors
• Addresses OE harness damage caused by improper routing and contact with sharp engine components
• Supports proper harness routing to help prevent repeat chafing
• Interchange reference: 5C3Z9D930A
• Part number: 522-054

Detailed Description

GBR 522-054 is engineered as a replacement fuel injection harness for the Ford 6.0L Power Stroke engine. When the original harness becomes worn, rubbed through, or damaged, injector signal loss can lead to misfire, rough running, or a no-start condition. This replacement harness restores the electrical path between the FICM and the injectors and is shaped for proper routing in the engine bay. It is a practical service part for Ford F-250 Super Duty, Ford F-350 Super Duty, and Ford Excursion diesel repair work.

This part cross-references 5C3Z9D930A for the same application.

Common Issues This Part May Address

• Engine misfire caused by injector harness damage
• No-start condition related to interrupted injector signal
• Chafing from contact with sharp engine components
• Electrical faults from improper OE harness routing
• Repeat harness wear in Ford 6.0L Power Stroke service repairs

Installation Notes and Tips

Inspect the original harness routing before installation and follow the factory service information for the Ford 6.0L Power Stroke. Check nearby connectors and related wiring for heat damage, abrasion, or corrosion before reassembly. Verify the harness is routed away from sharp edges and moving components to help prevent future wear.

Quality Assurance

GBR supplies this fuel injector wiring harness as a replacement service part for the listed Ford applications. Use the fitment notes and Technical Bulletin TB-0125-E to confirm application before ordering.