Description
Overview
The FASS WH-1006R Wire Harness 14 Gauge Universal With Relay Cover is engineered by FASS Fuel Systems to deliver dependable performance and long service life for your diesel fuel system. Built as a rugged, ready-to-install engine wiring harness, this FASS harness wire assembly is designed to power your FASS fuel system components cleanly and reliably, giving you the confidence that comes with a purpose-built electrical wiring harness rather than a patched-together, improvised solution.
As an automotive wiring harness solution rooted in FASS quality, the WH-1006R uses heavy-duty 14 gauge wire and includes an integrated relay cover to help protect critical connections from the demands of the engine bay. Whether you’re upgrading, replacing, or completing an install, this wire and harness kit provides the harnessing wire and hardware needed to get your fuel system wired correctly.
Key Benefits
A properly rated engine harness matters. This universal wire harness kit is designed around 14 gauge conductors to support the electrical loads of diesel fuel system applications, while the relay cover adds a layer of protection that helps extend service life. It’s the kind of automotive electrical wiring harness detail that separates a professional install from a temporary fix.
- Genuine FASS Fuel Systems part number WH-1006R, engineered for dependable performance and long service life
- Heavy-duty 14 gauge harness wire built to handle diesel fuel system electrical demands
- Includes an integrated relay cover to help protect connections and components
- Universal design makes this a versatile car wiring harness and engine wiring harness solution
- Diesel-specific fuel type application for FASS fuel system setups
- Sold as each, so you can order exactly the quantity your build requires
A Purpose-Built Electrical Harness
Cutting corners on wiring leads to headaches down the road. By choosing a dedicated wiring harness kit like the FASS WH-1006R, you get a clean, organized electrical harness that supports consistent power delivery to your fuel system. From the gauge of the harness wire to the included relay cover, every element is oriented toward reliability. It’s a smart choice for anyone who wants their auto electrical wiring harness done right the first time.
Fitment
This universal wire harness is designed for Truck/SUV applications running FASS Fuel Systems components. As a universal automotive wiring harness, it offers flexible installation for diesel fuel system builds. Always confirm your specific configuration and components to ensure the WH-1006R suits your setup before installation.
Whether you’re maintaining a hardworking daily driver or completing a full diesel fuel system upgrade, the FASS WH-1006R gives you a dependable engine harness backed by the FASS name. Wire it once, wire it right, and enjoy the peace of mind that comes with quality electrical wiring harnesses automotive enthusiasts trust.








