Connecting Shop Tach to 3.0 EST ignition

bebecker

Cadet
Joined
Nov 5, 2005
Messages
20
I have a 3.0 with the EST ignition this is a replacement engine installed last fall. I would like to check/set the idle speed using my dwell meter/shop tach. This shop tach is the two lead unit, one lead for the battery and one lead for the neg side of the coil. Promlem is now I don't have the standard coil and am not sure where to make connections. Does anyone now how I can use my old shop tach or do I need one that clamps around a plug wire?
 
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