FuelTech FT450/FT550 6 Cylinder Universal A Harness - 2002007385
Plug and Play 6 Cylinder Harness for FuelTech Standalone Systems
The FuelTech FT450/FT550 6 Cylinder Universal A Harness is a complete plug and play wiring solution designed for 6-cylinder engine builds using the FuelTech FT450 or FT550 ECU. Engineered for simplicity and flexibility, this harness includes all essential connectors, relays, and fuses to streamline installation and ensure reliable performance.
Built with durability in mind, the harness features heat, moisture, and oil-resistant insulation, making it ideal for both street and race applications.
Designed for Fast, Clean Installation
This universal harness is pre-configured to support a wide range of 6-cylinder setups, eliminating the need for complex custom wiring.
- Plug and play solution for FuelTech FT450 and FT550 ECUs
- Supports up to 6 injectors and 6 smart coils
- Includes all relays and fuses required for operation
- Compatible with a wide range of engine configurations
Flexible Fuel and Ignition Compatibility
Designed to support various injector and ignition combinations, this harness adapts easily to your build.
- 6 EV1 injector outputs ready
- Compatible with 6 smart coils
- Supports semi-sequential or multipoint fuel injection
- Wasted spark ignition configuration
- Compatible with high and low impedance injectors
Peak and Hold Injector Support
The harness is pre-configured to support both injector types, allowing flexibility in fuel system design.
- FuelTech Peak and Hold external drivers ready
- 2 Peak and Hold jumper harnesses included
- Low impedance injectors require external drivers
- High impedance injectors use included bypass jumper
Pre-Wired Sensor Integration
To simplify installation and ensure accurate data logging, the harness is pre-wired for essential engine sensors.
- FuelTech WB-Nano O2 ready (Bosch LSU 4.2 compatible)
- GM-style intake air temperature sensor ready
- GM-style engine coolant temperature sensor ready
- 2 pressure sensor inputs for fuel, oil, or 0-5V sensors
- Crank and cam sensor connectors (VR and Hall effect supported)
Expandable Output Capability
The harness includes additional output functionality, allowing you to expand your setup with auxiliary components.
- Extra output connector for custom applications
- Supports control of additional systems and accessories
- Ideal for performance and race configurations
Integrated Power Distribution
Built-in relays and fuses ensure reliable power delivery and proper system operation.
- 3 separate relays with built-in fuses
- Independent circuits for electronics, injectors, and coils
- Blue#6 output must be configured as fuel pump or RPM activation to trigger relays
Important Compatibility Notes
This harness is a complete solution for FT450 applications. Additional expansion may be required for full FT550 functionality.
- Fully compatible with FT450 ECU as a standalone harness
- FT550 users may require B expansion harness to access full input/output capabilities
Whats Included
- 6 Cylinder Universal A Harness
- User Manual
- Mating Kit for EXTRA connector
Features
- Plug and play universal harness for 6-cylinder engines
- Compatible with FuelTech FT450 and FT550 ECUs
- Supports 6 injectors and 6 smart coils
- Semi-sequential fuel and wasted spark ignition
- Pre-wired for essential sensors and wideband O2
- Compatible with high and low impedance injectors
- Integrated relays and fused power distribution
- Durable heat, moisture, and oil-resistant construction
Quick Specs
- Brand: FuelTech
- Product Type: Universal Wiring Harness
- Application: 6-cylinder engines
- ECU Compatibility: FuelTech FT450 and FT550
- Injector Support: 6 EV1 injectors
- Ignition Support: 6 smart coils (wasted spark)
- Wideband Support: FuelTech WB-Nano (Bosch LSU 4.2)
- Relays: 3 with built-in fuses
- Warranty: 1 Year Worldwide
- Part Number: 2002007385
FAQs
Is this harness plug and play for any 6-cylinder engine?
Yes, this harness is designed as a universal plug and play solution for most 6-cylinder applications using FuelTech FT450 or FT550 ECUs.
Do I need additional components for FT550 use?
To fully utilize all extra inputs and outputs on the FT550, a B expansion harness may be required.
Why Buy from Beefcake Racing?
Beefcake Racing is your trusted source for FuelTech ECU systems, harnesses, and performance electronics. We help builders simplify installs and maximize performance with proven components.
From street builds to full race setups, we provide fast shipping, expert advice, and real-world experience you can rely on.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
