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Old 2nd November 2013, 04:44 PM
Goran's Avatar
Goran Goran is offline
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Join Date: Feb 2011
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Question Battery voltage mystery

Today I decided to check my battery voltage (or alternator voltage) with engine running.
I have a new multi-meter which I assume is accurate. It agrees with my old cheaper Maplins multi-meter.
According to the new multi-meter my battery voltage at terminals is a healthy 14.1V

But checking via VCDS shows battery voltage to be 13.86V a bit low.

Which voltage should I trust? What is VCDS actually measuring, voltage at battery terminals or at some other location?



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