motionper Posted September 21, 2015 Report Share Posted September 21, 2015 i am running four coils fron dyi auto tune they say 2.9 ms dwell time and run the spark output high what difference will it make if i run the output low?? Quote Link to comment Share on other sites More sharing options...
Simon Posted September 22, 2015 Report Share Posted September 22, 2015 I assume the spark out put is referring to the point when the spark is fired.For these coils on our ECU you will need to set the spark edge as falling. Quote Link to comment Share on other sites More sharing options...
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