Fueltech FT550 Complete LS Harness

The FT550 is designed for engines with up to 12 cylinders, or up to 4 rotors, and features 14 programmable inputs and 24 outputs.

• Offers plug and play installation for a standalone LS swap utilizing a FuelTech FT550 or FT550LITE ECU
• Pre-terminated for an LS engine installation with all relays and fuses needed for a simple 3 wire battery hook up and ignition power
• Ready for both 58x and 24x triggers
  Compatible with front and rear cam sync (1 and 4 pole cam)
• Direct connection to LS3 style ignition coils, GM style flex fuel sensor and dual WB-O2 Nano connections
• Set up for both cable and drive-by-wire based throttle
• Connector for a GM style accelerator pedal on the cabin side of the harness
• Wiring for EV1 injectors (injector sub-harness is not needed). Compatible with high impedance injectors
• The INPUTS connector allows you to custom wire up to 6 additional input channels
• The EXTRA OUTPUTS connector allows you to custom wire up to 8 additional outputs
• Comes with three 40A relays and fuses: The Main Relay powers the ECU, WB-O2 Nano and all sensors. The Second Relay powers the Peak and Hold drivers and fuel injectors. The Third Relay powers the ignition coils.

ECU not included

LS550 V8 Complete Harness Manual