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Re: Voltage problem--- Help
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Posted by RAB on August 14, 2006 at 15:52:56 from (70.52.225.42):
In Reply to: Voltage problem--- Help posted by K.B. in Pa. on August 14, 2006 at 14:28:00:
Assuming, with old metal, is asking for trouble. The generator (a/c or d/c) will have a voltage rating on it or a manufacturers serial number. If it doesn"t the regulator will. If you can"t find that, the light bulbs might give a clue. Failing that the starter motor may help if it is a 12 volter (many old tractors have been changed to a 12 volt system but retain the 6 volt starter) If it is a dynamo it could easily be negative or positve ground. If it is an alternator it is almost certainly 12 volts and most likely negative earth. How are you checking the output voltage? Across the battery? Volts is useless without currrent. A 6 volt d/c generator would likely give that voltage driven into an open circuit. If your 6 volt battery is going dead it is not being charged. 12 volt charging into a 6 volt battery would very soon "boil" the battery - ie electrolyse the water in the electrolyte, overheat it and very shortly destroy it. RAB
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