MSefi.com read only forum (Jan.15,2018)

ok i finally got tach signal but its kind of out of sync and itl spike from 300 to 10000 rpms and while im cranking id say about every two revolutions it sees rpm whats the deal with this?

like the title states i am having issues trying to get a tach signal to my megasquirt i have it installed in a mercedes 300e and i am trying to use the stock ignition. and using my megasquirt for fuel only. i do plan on running edis in the future but am trying to keep it simple at this time. im kind ...