FuelTech FT550 4 Cylinder Universal B Harness - 2002006600
Expansion Harness for Advanced FT550 4 Cylinder Builds
The FuelTech FT550 4 Cylinder Universal B Harness is a dedicated expansion harness designed to work alongside the FuelTech 4 Cylinder Universal A Harness, unlocking the full capabilities of the FT550 ECU. This harness allows you to step up to staged sequential injection with up to 8 injectors while adding expanded inputs, outputs, and advanced control features.
Built for serious performance applications, this harness is the key to maximizing the flexibility and control of your 4-cylinder setup.
Unlock Staged Sequential Injection
Designed specifically for FT550 systems, this expansion harness enables advanced fueling strategies for high-horsepower builds.
- Supports up to 8 injectors in staged sequential configuration
- Designed for use with high impedance injectors only
- Includes dedicated relay with built-in fuse for additional injector power
- Perfect for turbocharged, high-boost, or high-output applications
Designed to Work with Universal A Harness
This is not a standalone harness. It is engineered to integrate seamlessly with the Universal A harness to create a complete FT550 wiring solution.
- Must be used with FuelTech FT450/550 4 Cylinder Universal A Harness
- Designed exclusively for FuelTech FT550 ECU
- Expands system capabilities without reworking base wiring
Expanded Inputs and Outputs for Total Control
Take full advantage of the FT550 ECUs capabilities with additional inputs and outputs for advanced tuning and race control.
- Extra INPUTS connector supports up to 5 additional channels
- Ideal for driveshaft RPM, transbrake, suspension sensors, input shaft RPM, staging button, and more
- Extra OUTPUTS connector supports up to 8 additional outputs
- Controls boost solenoids, transbrake, nitrous stages, gear shifting, lockup, and more
- Mating connector kits included for both inputs and outputs
Additional Integration and Connectivity
This harness includes additional connectors to support advanced FuelTech features and system integration.
- FT550 Connector B interface
- FT CAN B connector for CAN-based devices
- GearController sensor connector for integrated transmission control
- 4 EV1 injector connectors for staged injection setup
Built for Reliability in Harsh Environments
Designed with durability in mind, this harness is built to handle the demands of racing and high-performance environments.
- Heat, moisture, and oil-resistant insulation
- Clearly labeled connectors for easy installation
- High-quality construction for long-term reliability
Features
- Expansion harness for FuelTech FT550 4-cylinder applications
- Enables staged sequential injection with up to 8 injectors
- Compatible with high impedance injectors only
- Designed to work with Universal A Harness
- Additional inputs and outputs for advanced control
- Includes relay with fuse for injector power
- Supports CAN devices and GearController integration
- Durable construction for performance applications
Quick Specs
- Brand: FuelTech
- Product Type: Expansion Wiring Harness
- Application: 4-cylinder engines (FT550 only)
- ECU Compatibility: FuelTech FT550
- Injector Support: Up to 8 injectors (high impedance only)
- Inputs: Up to 5 additional configurable channels
- Outputs: Up to 8 additional configurable outputs
- Connector: FT550 B connector
- Included: Relay with fuse for injectors
- Part Number: 2002006600
FAQs
Can this harness be used by itself?
No, this is an expansion harness and must be used with the FuelTech 4 Cylinder Universal A Harness.
Does this allow full sequential injection?
Yes, when paired with the FT550 ECU and A harness, this enables staged sequential injection with up to 8 injectors.
Why Buy from Beefcake Racing?
Beefcake Racing is your trusted source for FuelTech ECU systems, harnesses, and race-ready electronics. We help builders unlock the full potential of their setups with proven components and expert support.
From entry-level installs to advanced race configurations, we provide fast shipping, real-world knowledge, and unmatched customer service.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
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