A friend of mine got a a4 and the voltage seems to be going a bit up'n'down.
Usualy it is between
12-14v. but sometimes it slowy goes down to 8,2 (on the indicator that is).
And one time it just
dropped all the way down real fast, and climbed up again.
Have been trying to turn AC on/off, and the hi-fi on/off and other switches.
But can't find
a connection between any electric unit and the jumping voltage.
Anyone who have had this problem and maybe could help me out a bit.
Will get a hold of a multimeter and messure that voltage on the battery when
it's going
up'n'down. It happens in motion as well as still.

thank u very much!

 

Mikael,

It sounds like your voltage regulator, alternator, and/or battery are on the
way to the great autobahn in the sky. Many auto battery dealers such as
AutoZone in the US will perform a series of tests on the electrical system
at no charge. It is also possible that the gauge is faulty.

Jon
jpb357atjunodotcomofcourse


"Mikael Jakobsen" <mikaelj@broadpark.no> wrote in message
news:3f5acffe@news.broadpark.no...
> A friend of mine got a a4 and the voltage seems to be going a bit
up'n'down.
> Usualy it is between
> 12-14v. but sometimes it slowy goes down to 8,2 (on the indicator that
is).
> And one time it just
> dropped all the way down real fast, and climbed up again.
> Have been trying to turn AC on/off, and the hi-fi on/off and other
switches.
> But can't find
> a connection between any electric unit and the jumping voltage.
> Anyone who have had this problem and maybe could help me out a bit.
> Will get a hold of a multimeter and messure that voltage on the battery
when
> it's going
> up'n'down. It happens in motion as well as still.
>
> thank u very much!
>
>

 

On Sun, 7 Sep 2003 08:25:18 +0200, "Mikael Jakobsen" <mikaelj@broadpark.no>
wrote:

>A friend of mine got a a4 and the voltage seems to be going a bit up'n'down.
>Usualy it is between
>12-14v. but sometimes it slowy goes down to 8,2 (on the indicator that is).
>And one time it just
>dropped all the way down real fast, and climbed up again.
>Have been trying to turn AC on/off, and the hi-fi on/off and other switches.
>But can't find
>a connection between any electric unit and the jumping voltage.
>Anyone who have had this problem and maybe could help me out a bit.
>Will get a hold of a multimeter and messure that voltage on the battery when
>it's going
>up'n'down. It happens in motion as well as still.
>
>thank u very much!
>

When the voltmeter reads low do the headlights/interior lights dim in turn?
Does it only happen when the engine is running?