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post #6 of Old 07-22-2012
Join Date: Jul 2007
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Re: Yanmar and No Start

As you now know, you might see a "surface' reading on your meter but with so much resistance in a bad connection and trying to pull a heavy load through it, no go. A similar condition can exist when grounding a spark plug outside an engine to check for spark. If the high tension voltage is marginal you might see spark but when you put it back in the engine the compression adds more resistance and the plug won't fire.

Paul T
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