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Is there a way to test an alternator with a DVOM (digital volt ohm meter) to see if it's functioning properly?

Jan 21, 2008 by Tractor | Posted in Maintenance & Repairs

I think my alternator on my 1986 Mercedes Benz 300E is bad, but I don't want to remove it and take it to an autoparts store to have it tested because it is in a difficult location to remove. How can I test it with a DVOM to see if it's working properly?

Yes, their certainly is. The alternator has to generate more voltage than the battery has at rest, in order to drive the reactions that charge the battery.

So test the battery first. That should be about 12.5 volts. When you start the

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