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Farmall Tractors Discussion Board |
Re: Re: Lost Spark On The M
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Posted by RKS on May 12, 1999 at 17:41:56:
In Reply to: Re: Lost Spark On The M posted by Dan on May 11, 1999 at 19:38:47:
Rick, you're right that he should see 12V on the point side of the coil, with the points open - - except if the dist is "short grounded" as just happened with a case on this board. In that case, there will be no potential there, since the ground lead for the voltmeter and the "probe" would end up "common." To check for a short in the dist (which would maintain a constant charge in the primary winding of the coil), the dist-coil lead should be disconnected. If voltage then appears, but not before, then there must be a short in the dist. RKS
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