FT550 B Unterminated Harness Fly Lead - 10 FT

FuelTech FT550 Unterminated Wiring Harness – B Connector

The FuelTech FT550 B Connector Unterminated Harness is the ideal solution for builders who want full control over their wiring layout. Designed for custom EFI installations, this harness allows you to wire your vehicle from scratch while maintaining a direct, OEM-style connection to the FT550 ECU.

Offered in 10 ft length option, this unterminated harness makes ECU placement flexible and clean, whether you’re working on a race car, engine swap, or fully custom build. The factory B connector plugs directly into the FT550 ECU, ensuring proper pin fitment and a secure electrical connection.

Key Features

• Automotive-grade wiring designed for EFI and motorsports use
• OEM FuelTech B connector for direct FT550 ECU compatibility
• Untermi­nated wires for fully custom engine and chassis wiring
• Multiple length options to suit different ECU mounting locations
• All wires feature printed pin identification, streamlining the build process and reducing the chance of wiring errors.

Benefits

• Perfect for custom EFI builds, swaps, and race applications
• Allows clean wire routing without unnecessary connectors
• Provides maximum flexibility for sensor, power, and output wiring

Applications

• FuelTech FT550 EFI ECU Systems
• Universal custom EFI installations

What’s Included

• 1 × FuelTech FT550 Unterminated Wiring Harness (B Connector)

Intended for custom wiring applications. Professional installation is strongly recommended.