Thread: Where to pick up Rpm pluse on EFI car
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Old Aug 17, 2015 | 12:21 PM
  #11  
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mentalasanything
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I would go with an ECU output for your particular install, but for anyone running distributorless ignition you can use this circuit:



Allows all coils to be combined in to one signal. I use a 1N4744 for the Zener diode.

Cheers,

Lee
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