Posted January 20, 201114 yr Hi guys I just found this circuit diagram..hope it will be useful for you all as some customs do not have a Rev counter and you might need it during engine tuneups.. http://www.aaroncake.net/circuits/tach.asp
January 20, 201114 yr Moderator whats the antenna connection? it'll pick up the radio frequency off the ignition system as a pulse to count the revs.
January 30, 201114 yr it'll pick up the radio frequency off the ignition system as a pulse to count the revs. ahhhhh right thanks man
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