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Yamaha 15 HP electric start not starting!
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<blockquote data-quote="Mad Dog 2" data-source="post: 523448" data-attributes="member: 35614"><p>I concur with “Stand Up” especially about the ground.</p><p>I would also look for a bad cable end, bad crimps, dirty fuse holder, fuse holder contact spread open, failed fuse but not blown, dirty battery terminals, main/heavy ground wire not hook up, battery with bad plates and dirty/loose ground wire. Check the multi pin plugs. Look to see if all male pin and female sockets are fully seated and the same height.</p><p>The items above can test good with a voltmeter but fail (connection breaks) under load.</p><p>-I have had fuses fail but appeared good.</p><p>- Worked on a crane that had intermittent starting problems. Pulled on the battery cables at battery and cable pull right out of the crimp.</p><p>- Poor charging and poor starting traced back to grounds on paint engine blocks or loose grounds.</p><p>- Main ground cable disconnected but but voltmeter reads fine because other lighter ground cables are working.</p></blockquote><p></p>
[QUOTE="Mad Dog 2, post: 523448, member: 35614"] I concur with “Stand Up” especially about the ground. I would also look for a bad cable end, bad crimps, dirty fuse holder, fuse holder contact spread open, failed fuse but not blown, dirty battery terminals, main/heavy ground wire not hook up, battery with bad plates and dirty/loose ground wire. Check the multi pin plugs. Look to see if all male pin and female sockets are fully seated and the same height. The items above can test good with a voltmeter but fail (connection breaks) under load. -I have had fuses fail but appeared good. - Worked on a crane that had intermittent starting problems. Pulled on the battery cables at battery and cable pull right out of the crimp. - Poor charging and poor starting traced back to grounds on paint engine blocks or loose grounds. - Main ground cable disconnected but but voltmeter reads fine because other lighter ground cables are working. [/QUOTE]
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Yamaha 15 HP electric start not starting!
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