HI,

Another potentially dumb question from me Anyway . . my Busa motor has plug cap coils so I can't really get a lead and clip into the HT side and my tacho output seems to be all over the place. Am I right in thinking that the coils have a permanent live and a switched live that is switched to earth by the ECU? If so, can I connect the revs+ to the permanent live on the LT side of the coil and the revs- to the switched ECU LT input to the coil? I'd appreciate some assistance as I really don't know what I'm doing and I don't want to damage either the ECU or the DL1.


Please help.

I didn't find the right solution from the Internet.

References:
http://www.race-technology.com/forum...pic.php?t=1152
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Thanks!