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 Posted: 05-21-2016 07:21 pm
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Screenplay

 

Joined: 07-12-2013
Location: San Francisco, California USA
Posts: 124
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 If the wire in question is white/yellow (look carefully, even after cleaning those colors really fade) it should go to the positive coil.

The ballast resister on one end has a yellow/white wire bridged from the positive coil, and on the other end a white wire that works its way back to the tach. I still have a ballast resistor, so I don't know how the tach is kept operational but It must be covered somewhere here.

Last edited on 05-21-2016 07:33 pm by Screenplay