Re: Hello All Been lurkin for a few week ? about ammeter and alternator
Set your multimeter to the DC voltage scale. If you do not have a multimeter you can buy one at a very low cost at any hardware or automotive parts store. Put the red lead on the alternator post and the black lead on any good ground point such as the alternator case. With the engine at a fast idle you can read the voltage. The alternator may need to be hooked up to the electrical system to read a voltage. If it is a 6 volt system the voltage when charging should be about 7 volts. If it is a 12 volt alternator it will be putting out about 14 volts when charging. Any other number indicates a problem with the alternator or the electrical system or the battery. If it is a 12 volt alternator on a 6 volt system it will try to bring the battery up to 14 volts so the voltage you will measure in this case might be 8, 9, 10, or move volts. Excessive voltage will damage the battery.
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Last edited by nkaminar; 08-17-2023 at 06:26 AM.
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