Strange voltmeter readings

[Ti Kan]

Vic Norman writes:
> The voltmeter on my 1991 Audi 100 normally registers a little over 12 volts
> when the engine is running. On occasion, however, the reading will drop
> considerably. Lately, it's been all the way down at 8 volts at times.
> Turning headlights etc on or off doesn't change the reading. Nor does the
> low reading affect the car, it starts and runs fine,  so I'm sure the
> battery isn't really down to 8 volts.
> Anyone have any suggestions as to whether I should be worried or just ignore
> the damn thing?

You should verify the actual voltage with a voltmeter at the alternator as
well as at the battery.  If these measure fine, then perhaps there is a
problem with electrical contacts leading to your voltmeter, or maybe
a failing voltmeter itself.

-Ti
01 S4 2.7 biturbo quattro
84 5000S 2.1 turbo
80 4000 2.0
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