Battery Drain

Vincent Gelinas vrgelinas at
Tue Oct 25 06:53:19 PDT 2011

Would it likely be something in the voltage regulator or the entire
alternator itself?  Or is it worth the extra 100 just to get a new whole
reman alternator and call it a day?

On Tue, Oct 25, 2011 at 9:38 AM, Tony Hoffman <auditony at> wrote:

> Like the others have said, sounds like an alternator issue. Specifically, a
> burned diode or two, allowing the alternator to consume current rather than
> produce it.
> Tony
> On Tue, Oct 25, 2011 at 7:49 AM, Vincent Gelinas <vrgelinas at>wrote:
>> I have an interesting problem in my 99 A8q 4.2 - at idle speeds my battery
>> drains like hell.  When I'm cruising on the freeway or hooning through
>> some
>> corners and the RPMs are a bit higher, I have no issues, but when I go
>> back
>> to idle, if the battery isn't charged, she just dies.  Any BTDT or advice?

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