WIRING HARNESS, MAIN LS1,LS2,L S6,LS7

FAST offers several main harness options to aC-Commodate most customers' needs. The XFI Main Harness is responsible for connecting your XFI ECU to sensors as well as digital dashes, EGT modules, and various optional accessories. The Main Harness also handles communication between the ECU and ignition devices. Main harnesses are available in TPI, LT-1, LS-1 through 9 (including truck/suv designs), Modern Hemi, Carburetor Conversions and even Rear-Engine Dragsters and Boats. FAST also offers Main Harnesses that come terminated on the sensor side but non-terminated on the ECU side to allow for a truely custom fit. All terminals, seals and connectors are available individually, so don't hesitate to try your hand at crafting your own custom harness from start to finish.

This XFI Main Harness is designed to connect engines that feature GM LS style sensors to our XFI ECU.

XFI Main Harness for GM LS1, LS2, LS3, LS6, LS7, LS9 and LS Trucks

WIRING HARNESS, MAIN LS1,LS2,L S6,LS7

FAST Wiring Harness Main LS1LS2L

Fuel Management Wiring Harness

XFI Main Harness LS

LSMainXFIHrnss

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