FiTech EFI system

Husker said

The handheld is set to VRCOIL which is what the instructions specify for the Fitech to control the timing. And the Fitech purple and green dizzy wires/plug do go to the MSD.

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Ok then you need to check the other wiring. Its wired a different way to run tach signal (engine timing) as opposed to fitech timing.

From the 6 pin you use the black wire not the blue one when running fitech timing