koracing Posted October 17, 2022 Report Share Posted October 17, 2022 On 9/16/2022 at 11:31 PM, Island_Racer said: Adam, did that and the counter doesnt go past 2000 rpm when driving. I did the tacho wire to pin 12 and reassigned it as tacho…what could be missing? Which output did you assign to the tacho output? Aux 3? That's worked fine for me in the past but I also typically don't modify the OEM tach - but run a tach adapter like the MSD 8920. Quote Link to comment Share on other sites More sharing options...
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