[Diy_efi] Ingition pickup problems

[Jaques Viljoen]

Hi all

Does anyone have an idea how I can get a clean TTL signal
from the -ve side of the ignition coil? I have tried the
Megasquirt opto isolater and normal NPN and PNP circuits,
but to no avail. (4 cyl VW)

Thanks

Jaques
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