DIY-EFI References

[Shannen Durphey]

Paul Martin wrote:
> 
> I am looking for a basic circuit to build a box to take the inductive
> signal from an existing pickup coil on a single cylinder 4 stroke engine
> and fire a 12volt coil (I need a simple on off output from the "box" to
> fire the coil
> 
> Any idea of source for such a circuit??
> 
> Thanks for any help you might have.
> 
> Paul Martin
> 
> Regards
> PaulM
> 
> ****  Please note new email address****  pmartin at delequipment.com

You haven't put many details in the question.  The "box" might look
remarkably like a GM ignition module if there's a 12V power source,
ground, and the pickup coil output voltage is around 5V.
Shannen