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Tachometer installation 122 120-130

posted by  walrus3 on  Fri Jan 14 19:26 CST 2011
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last visit: Mon Dec 2 14:20 CST 2013
[RELATED]

Most tachs require 12 volts positive and ground as well as the signal.
I'm pretty sure you can get the signal OK from the coil primary-to-distributor connection.
It will be at some positive voltage when the points are open.






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