Re: Using Digital Tachometer/Dwell Meter on Tractor???

Posted by IHank on March 11, 2001 at 00:11:33 from (207.177.47.161):

In Reply to: Using Digital Tachometer/Dwell Meter on Tractor??? posted by Steve in MD on March 09, 2001 at 21:34:18:

Steve- Check your system ground polarity. If it is positive ground you probably need to connect the tach/dwell meter signal line to ground and the ground line to the points side of the coil.

At to the point settings, remember the 66% rule- Dwell should be 60 degrees for 4 cylinder systems, 37 degrees for 6 cylinder systems, and 26 degrees for 8 cylinder systems.

If you got a system that's been converted from 6 volt positive ground to 12 volt nagative ground, the coil primary connections need to be reversed from stock, so the spark polarity comes out right. Good luck, IHank

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