I am reading this thread with more than passing interest given my own coil/alternator issue. I also converted to EI a couple of years ago.
It seems that all of calculations in the postings here assume that the coil (-) is 0v or ground. However, I noticed that while my coil (+) is 17.4v (which obviously is too high) the coil (-) is approximately 9.2v. I am not sure if that is what it should be or it should be 0v. I traced the coil (-) wiring - one wire goes to EI (-) and the other goes to the tach. Is the tach or the EI (-) suppose to be grounded?
In my case, my coil was recently fried. The alternator is putting out 17v as mentioned. I still have not found out the root cause. If it is even implied that EI could be cause I am going back to points, condenser system. I still have a new set as back up.
Last edited by Triton106; 09-26-2011 at 01:26 AM.
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