Dorman 904-477 Fuel Injection Harness - Right

Overview of Dorman Fuel Injection Harness 904-477

The Dorman 904-477 fuel injection harness is designed specifically for Ford F-250 Super Duty and F-350 Super Duty models. This 12.5-inch harness features a 16-gauge wire construction and supports direct injection systems with pulse width modulation metering style, ensuring reliable fuel injector control.

• Length: 12.5 inches for precise fitment
• Wire Gauge: 16 for optimal electrical conductivity
• Connector Color: Black with 6 male connectors
• Controls 4 fuel injectors with direct injection style
• Standard replacement grade without heat shield
• Includes 10 wires for comprehensive wiring needs

Detailed Product Description

The Dorman 904-477 fuel injection harness is engineered to meet the electrical and mechanical requirements of Ford F-250 Super Duty and F-350 Super Duty trucks equipped with direct fuel injection systems. With a wire gauge measurement of 16, this harness provides sufficient current capacity to support pulse width modulation fuel injection metering. The harness includes six male connectors in black, designed to interface seamlessly with the vehicle’s fuel injectors. Its 12.5-inch length ensures proper routing and fitment within the engine bay without excess slack or tension. This standard replacement grade harness does not include a heat shield but is built to maintain reliable performance under typical operating conditions.

Common Applications and Issues Addressed

• Replacement for damaged or worn fuel injection wiring harnesses on Ford F-250 and F-350 Super Duty
• Resolves intermittent injector firing caused by faulty wiring connections
• Addresses electrical shorts or open circuits in the fuel injector harness
• Supports direct injection systems requiring pulse width modulation control
• Restores proper fuel injector operation to improve engine performance and efficiency

Installation Notes and Tips

• Verify compatibility with Ford F-250 Super Duty and F-350 Super Duty models before installation
• Disconnect the battery prior to harness replacement to prevent electrical shorts
• Route the harness carefully to avoid contact with hot engine components, as this harness does not include a heat shield
• Ensure all six male connectors are securely attached to the corresponding fuel injectors
• Inspect wiring for any signs of damage or corrosion before installation

Quality Assurance and Warranty

Dorman manufactures the 904-477 fuel injection harness to meet standard replacement specifications, ensuring reliable electrical performance and durability. While this harness does not include a heat shield, it is constructed with quality materials suitable for typical engine bay environments. Warranty coverage details should be confirmed at the point of purchase, as they may vary.