Fuel Tech LS550 V8 Complete Harness

The Fuel Tech LS550 V8 Complete Harness is a plug-and-play wiring solution designed for standalone LS swaps using the FuelTech FT550 or FT550LITE ECU with Chevrolet LS engines. It streamlines installation with pre-terminated connectors, integrated relays, and fuses, providing a clean and reliable wiring setup.

Key Features

Complete harness for FuelTech FT550 ECU on Chevrolet LS engines, replacing stock ECU and wiring
Supports 8 sequential EV1 injectors with peak and hold driver compatibility
Plug-and-play connectors for OEM LS coils, GM style flex fuel sensor, and dual wideband Nano O2 sensors
Wired for 58x and 24x crank triggers, front and rear cam sync, and cable or drive-by-wire throttle systems
Labeled connectors, firewall grommet, and insulation resistant to heat, moisture, and oil
Custom wiring inputs and outputs for additional engine or chassis sensors and controls
Includes three 40A relays and fuses for ECU, injectors, and ignition coils

Fitment

Chevrolet LS engine swaps using FuelTech FT550 or FT550LITE ECU
Compatible with LS2, LS3, LS7, LSA, LS9 throttle bodies and pedals (electronic or cable)

Complete Harness Includes

1 LS550 V8 Complete Harness
2 Peak & Hold Jumper Harnesses
1 LS550 8-Way connector kit
1 LS550 10-Way connector kit
1 LS550 12-Way connector kit
1 Operation and installation guide

Note: Verify compatibility with your specific LS engine and FuelTech ECU before ordering. Professional installation is recommended for optimal performance and reliability.