Gledewen FICM Fuel Injector Wiring Harness for Ford 6.0L Powerstroke (2003–2007) — Direct-Fit, High-Temp

Gledewen's complete FICM fuel injector wiring harness is a direct-fit replacement for Ford 6.0L Powerstroke engines (2003–2007) that restores reliable injector signal routing and engine performance.

If your 6.0L Powerstroke truck shows rough idle, misfires, or intermittent no-starts caused by brittle or cracked factory injector wiring, this Gledewen harness offers an OE-style rebuild without cutting or splicing. Built to match the original connector layout and wire lengths, it replaces Ford OE numbers 5C3Z-9D930-A and 5C3Z9D930A and fits F250, F350, F450, F550 (2003–2007) plus 2004–2005 Excursion models. The harness is wrapped and taped for heat protection, uses high-temperature wire, and ships with a 24-month warranty for added confidence.

How does this harness restore injector performance?

The Gledewen harness rebuilds the critical wiring path between the FICM and each fuel injector, eliminating electrical resistance and intermittent connections from cracked insulation or corroded terminals. By matching OE routing and connectors, it ensures consistent injector pulse delivery for smoother running.

• Direct-fit connectors for easy plug-and-play installation
• High-temperature conductors for reliable signal transfer
• Factory-style protective PVC wrap and tape for heat resistance

Will this harness fit my truck and replace the original part number?

Yes. This complete injector wiring harness is designed for Ford 6.0L Powerstroke engines in 2003–2007 F-Series trucks and 2004–2005 Excursion models. It replaces OE numbers 5C3Z-9D930-A and 5C3Z9D930A, matching factory connector count and lengths for a straightforward swap.

• Compatible vehicles: 2003–2007 F250/F350/F450/F550 (6.0L)
• Also fits 2004–2005 Ford Excursion with 6.0L engine
• Replaces specified OE part numbers exactly for fit assurance

What materials and protections are included to handle under-hood conditions?

This harness uses heavy-duty, high-temperature wiring and corrosion-resistant terminals to maintain conductivity under heat and vibration. The assembly is wrapped in PVC tubing and finished with electrical tape in critical areas to resist heat exposure and abrasion over time.

• High-temperature wire for long-term conductivity
• Corrosion-resistant connector terminals for stable signals
• PVC tubing and tape wrap for heat and wear protection

What warranty and support does Gledewen provide if there’s an issue?

Gledewen backs this complete wiring harness with a 24-month warranty that covers manufacturing defects and premature failures under normal use. If the harness fails or has performance problems, you can request an exchange or refund through Gledewen's customer support.

• 24-month warranty for replacement or refund
• Customer support for fitment or installation questions
• Quality-tested assemblies before shipment

Who is this for: This Gledewen FICM engine fuel injector wiring harness is intended for owners, mechanics, and restoration shops working on Ford 6.0L Powerstroke trucks (2003–2007) and 2004–2005 Excursions who need an OEM-spec replacement for brittle or damaged injector wiring. It suits anyone seeking a direct-fit, durable harness that matches Ford OE part numbers and reduces troubleshooting time during injector-related drivability issues.