FT450/550 A Unterminated Harness Fly Lead - 10 FT

FuelTech FT450 / FT550 Unterminated Wiring Harness – A Connector

Build your EFI system exactly the way you want it with the FuelTech FT450 / FT550 Unterminated Harness. Designed for custom and motorsports applications, this harness gives you complete flexibility to wire your vehicle from the ground up while maintaining a factory-grade connection to your ECU.

Available in 10 ft, this unterminated harness allows you to route wiring cleanly and position your ECU wherever your setup requires. It connects directly to the FT450 or FT550 ECU using the OEM A-connector, eliminating guesswork and ensuring a secure, reliable interface.

Key Features

• High-quality automotive-grade wiring for long-term reliability
• OEM-style A connector for direct connection to FT450 and FT550 ECUs
• Untermi­nated design for fully custom engine and chassis wiring
  
• All wires feature printed pin identification, streamlining the build process and reducing the chance of wiring errors.

Why Choose an Unterminated Harness?

• Ideal for custom builds, race cars, and engine swaps
• Allows clean wire routing with no excess connectors
• Perfect for standalone EFI installations

Applications

• FT450 EFI ECU Systems
• FT550 EFI ECU Systems
• Universal EFI and motorsports applications

What’s Included

• 1 × FuelTech FT450 / FT550 Unterminated Wiring Harness (A Connector)

Professional installation recommended. Designed for custom wiring applications and motorsports use.