Pre-alternator failure symptoms?

[scirocco16vr32 at gmail.com (Chris Bennett)]

Me personally if I had a 90 amp alternator and I got anything less
than 14 volts or it wasn't rock solid I would get a new one.

Most of the FLAPS around here offer a lifetime warranty model... my
dumb ass keeps buying them and then I move away cause of the Navy and
either they don't have the same store or I lose the receipt in the
move.  LOL

Lastly pull it and have it bench tested.  If you have erratic voltage
then I can tell you without a doubt that the current is also erratic. 
If I haven't butchered Ohm's law.  :)

I am sure you know this and are way ahead of me.  I never claimed to
be the brightest lightbulb on the christmas tree, I just blink the
most.  LOL

Chris

On 9/1/05, C Boyko <roccit_53@scirocco.cs.uoguelph.ca> wrote:
> On 7:23:59 pm 09/01/05 Patrick Bureau <patrick.bureau@gmail.com> wrote:
> > I agree, but often enought the culprid is not the alternator but
> > simply the voltage regulator on the alternator where once your remove
> > it (2 philips screws) will show the brushes are worn out and need
> > replacing (12$/autozone)  I would check them first... then again
> > checking voltage output on the alternator (boost to start the car and
> > test car) will give you indication if alternator/brushes are at fault
> > or something else.
> >
> >  On 9/1/05, Don Walter <dswalterwi@gmail.com> wrote:
> > >
> > >  Bad Alternator/Charging = Bad perfomance as the battery starts to
> > >  lose voltage
> > >  It will run fine at first then start to spit and sputter after
> > >  about 30 minutes of use from a fully charged battery.
> 
> 
> I love you man, that is EXACTLY what it did yesterday, but then it kept
> running poorly to get me another two hours or so of seat time, and several
> good starts. Not today.
> I boosted it, started right up. I quickly tested the voltage and was
> discouraged to find 13.0V, not stellar, but enough to get by. I then turned
> on anything I could find, it dropped to 12.6 by then, but when I turned
> stuff back off, it was at 11 and continued to drop till I killed it at
> 9.9V. So it's a charging issue, (could be the plug, I'm guessing that's
> what it is actually) and I hope it will correct a lot of other issues, I'm
> weary of rewiring things.
> But I'm off to Montreal for the weekend, so it'll have to wait now.
> Cathy
> 
> Thanks, Cathy
> 
> 
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