RE: 13.8 Volts?/temp variations

[Shannon Fenton <sfenton@telegroup.com>]

My Voltage guage reads lower when its cool outside also? I wonder why this is?





Thank You For Your Time,
 Shannon Fenton
sfenton@telegroup.com
16volt@scirocco.org


On 8/21/98, Wm. Josiah Erikson wrote:
>Nah, my battery is very charged. Ah well that's OK. 
>My alternator only starts
>charging after the car is warm, too.... Anyone ever 
>had this happen? Maybe it's a
>different problem than the alternator, or maybe for 
>some reason that alternator
>starts charging once it gets warm. I dunno.
>    -Josiah
>
>Kris Rayner wrote:
>
>> 12.66 is optimal without the car running.  So with 
>the car running it
>> should be about 13.8-14.3, IF the battery is fully 
>charged.  If not,
>> it will be less depending on how many amps the 
>alternator is having
>> to put out.
>>
>> > Date:          Tue, 18 Aug 1998 20:24:28 -0400
>> > From:          "Wm. Josiah Erikson" 
><josiah@gsinet.net>
>> > To:            Scirocco List <scirocco-
>l@scirocco.org>
>> > Subject:       13.8 Volts?
>>
>> > Damn... you're supposed to have 13.8 volts at 
>the battery? I suppose that 12.4
>> > is bad then, huh? Time for a new alternator, I 
>suppose (I already redid all my
>> > grounds)
>> >     -Josiah
>> >
>> > Crane, Damien wrote:
>> >
>> > > Electrical problems really suck, no two ways 
>about it.  But the first
>> > > thing to do is to make sure that the gauge is 
>accurate or rather that
>> > > the voltage it is reading is representative of 
>the system voltage.
>> > > Corroded connections and bad grounds can cause 
>voltage to drop in
>> > > circuits beyond them.  I don't know where VW 
>measures the voltage, but
>> > > it may be a long way from the alternator and 
>its 13.8.  Your problem may
>> > > not be as big as you think.
>> > >
>> > > ...or maybe it is.
>> > >
>> > > Damien
>> > >
>> > > > ----------
>> > > > From:         
>VWN8@aol.com[SMTP:VWN8@aol.com]
>> > > > Sent:         Monday, August 17, 1998 10:37 
>PM
>> > > > To:   scirocco-L@scirocco.org
>> > > > Subject:      S2 (electrical problems) 
>HELP!!!!
>> > > >
>> > > > I've been having some really strange 
>electrical problems recently and
>> > > > I need
>> > > > some ideas on what could be going on. Here's 
>the background on the
>> > > > parts
>> > > > involved: Battery is 3yrs old and run dead 
>once, 90 amp alternator
>> > > > bought used
>> > > > a year ago.
>> > > >
>> > > > What happened was this: the car sat for a 
>week in hot weather (I was
>> > > > doing
>> > > > body work). After a week it wouldn't start 
>(volt guage reeds 11
>> > > > volts). after
>> > > > this the battery drops about 0.4volts every 
>12 hrs or so. I have'nt
>> > > > messed
>> > > > with any of my electrical components so I 
>have no idea whet could be
>> > > > draining
>> > > > it. Now when I drive my volt guage drops 
>significantly every time I
>> > > > turn
>> > > > something on (ie. reads 13.8 turn lights on 
>and it shows 12.5 run
>> > > > stereo and
>> > > > 12.1 and so on) previously it would nerer 
>dip below 13-13.5. I am
>> > > > really
>> > > > frustrated with this problem so if anyone 
>can offer some ideas I would
>> > > > be very
>> > > > greatfull! BTW: I should mention that the 
>battery does not drain when
>> > > > it is
>> > > > disconected from the leads that go to the 
>interior but the only things
>> > > > that
>> > > > stay on are the volt guage and the clock.
>> > > > TIA
>> > > >
>> > > > Nate
>> > > > --
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>> >
>> --------------------------------------------------
>---
>>                    Kris Rayner
>>     1981 VW Scirocco S - Soon to be a 16V :)-
>>             "What, behind the rabbit?"
>>                 veritech@fix.net
>>         http://www.geocities.com/Tokyo/2422/
>> --
>> To subscribe or unsubscribe, send email to 
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>
>
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