Fueltech FT550 K Series Standalone Honda K20 K24 Engine Harness w/ Built in Fusebox

  • £887.00
  • Save £126


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This standalone harness is designed for the Honda K20/K24 series engines and is compatible with various setups, including all Honda/Acura chassis, rear-wheel-drive (RWD) conversions, and front-mounted engine swaps. Two versions are available to accommodate different configurations, including an extended interior harness tailored for mid-engine swaps like the Toyota MR2 and Acura NSX.

Key Features:

  • Independent Fuse/Relay Box: The harness includes a built-in mini fuse/relay box, eliminating the need for under-dash wiring in race car applications. This design provides a streamlined, clean setup for professional builds.
  • Durable Construction: Manufactured with high-quality, temperature-resistant TXL wiring to withstand the demands of racing environments.
  • Plug-and-Play Compatibility: Comes with a C101 connector adapter for seamless integration with 02-04 K-swap conversion harnesses (for EF, EG, EK, and DC2 chassis) or universal conversion harnesses for non-Honda chassis.
  • Deutsch Connectors: Enables easy expansion for dual injectors or additional inputs/outputs without altering the existing harness, maintaining a clean and adaptable design.
  • Clear Labeling: Every connector is clearly labeled for straightforward installation, eliminating the need for wiring diagrams.

Application Notes:

  • A charge harness must be run separately (not included).
  • High-impedance injectors are required; the harness is incompatible with resistor boxes.
  • For race car setups with no interior harness or dash, a switch panel (currently in development) is necessary.

Compatibility:

  • Chassis: Suitable for EF, EG, EK, DC2, and other universal setups.
  • Engine Sensors: Works seamlessly with factory sensors, requiring no modifications or replacements.

Connection Points:

  • FuelTech Connectors A & B
  • CAN BUS A & B
  • FuelTech Strain Gauge (Gear)
  • Mini Fuse/Relay Box
  • AUX Connections:
    • 8-pin for Injectors
    • 12-pin for Inputs/Outputs
    • 12-pin for Power/Ground Distribution
    • 6-pin for Conversion Harness Adapter/Switch Panel
  • VTEC Solenoid
  • VTC
  • Oil Pressure Sensor (3-pin)
  • Crank Sensor (CKP) (02-04 K20 style)
  • OEM Coils 1-4
  • Exhaust Cam Position Sensor (CPS)
  • Intake TDC Sensor
  • Engine Coolant Temperature (ECT) Sensor
  • Intake Air Temperature (IAT) Sensor
  • Alternator (02-04 K20 style)
  • Throttle Position Sensor (TPS)
  • Idle Control Motor
  • Electronic Speed Sensor (VSS)
  • OEM Injectors 1-4
  • Reverse Lights
  • Starter Signal
  • Power Distribution Block
  • Ground
  • Radiator Fan (OBD1-style connector)

This FuelTech FT550 harness simplifies wiring for Honda K20/K24 engines, providing robust, race-ready performance while maintaining adaptability for various vehicle configurations.

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