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Amp Guage Still Buried!

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JKC

10-02-2002 09:56:22




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I have now replaced the battery AND the coil on the Jetstar 3, but the amperes gauge still shoots right over to the high-side and buries itself there, does not come back down. Any other suggestions?

Thanks.




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Bob M

10-02-2002 17:39:41




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 Re: Amp Guage Still Buried! in reply to JKC, 10-02-2002 09:56:22  
A couple of suggestions:

1 - If you have an accurate DC voltmeter, take a reading across the battery terminals with the motor running. A reading of 13.5 to 14.5 volts is what you are looking for. The buried ammeter simply indicates the battery needs charging. If the volmeter shows greater than about 14.6 volts, the voltage regulator is probably shot.

2 - If you don't have a good voltmeter, stick the battery on a charger for 24 hours. Then start the tractor and let it run a few minutes. If the regulator is OK the ammeter will bury itself on the charge side briefly after startup, then gradually taper to a slight (3 - 5 amps) charge after running several minutes.

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Kevin Moschenrose

10-02-2002 10:53:36




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 Re: Amp Guage Still Buried! in reply to JKC, 10-02-2002 09:56:22  
Have you had the alternator off and checked yet? I still think it is a bad voltage regulator. Also bypass the amp gauge and check it with a different one or a voltage tester.



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Ted

10-04-2002 18:02:34




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 Re: Re: Amp Guage Still Buried! in reply to Kevin Moschenrose, 10-02-2002 10:53:36  
Is this an older tractor that you removed the generator from and installed an alternator? Does the amp gauge return to zero or slightly above after it has run for awhile? If so you might have a zero to thirty amp gauge which to small. You should have zero to sixty gauge or larger depending on the size of the alternator. The alternator will bury the smaller gauge desinged for a generator. Hope this helps.

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