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alternator swap
thanks for the voltages, my wires definitely do suck!
Al
----- Original Message -----
=46rom: "Curt" <76Rocco@earthlink.net>
To: "Scirocco List" <scirocco-l@scirocco.org>; "Marc scirocco Qu=E9be=
c"
<marc_scirocco@yahoo.ca>
Sent: Thursday, August 22, 2002 8:56 PM
Subject: Re: alternator swap
> We are talking tenth's of a volt here not millionth's, Yes meters v=
ary and I
> happen to have 3 (Fluke $? can't recall price paid but definitely n=
ot the
> $300 model,Craftsman $17.99 and a Cen-Tech $6.99 - by the way it's =
best to
> write down who borrowed your meter or you may find you now own 3 wh=
en they
> come back!) I tested my cars 90Amp under full load (headlights on h=
ighbeams,
> fresh air fan on high, radiator fan on) with these results:
> Cen-Tech 13.79 Volts, + drop 0.028, - drop 0.128 (must have on 200V=
scale
> not 20V)
> Craftsman 13.93 Volts, + drop 0.028, - drop 0.123
> Fluke 13.84 Volts, + drop ? , - drop 0.120 (Fluke has =
an
> automatic selector and when trying the + drop the meter switches to=
ohms-
> yeah just another reason automatics suck! but it did read the - dro=
p)
> With no load but running - drop test from battery terminal to alter=
nator
> housing:
> Cen-Tech - drop 0.06 to 0.07 (fluctuated)
> Craftsman - drop 0.07
> Fluke - drop 0.07
> Pretty close in range for performing these tests, meters were very =
close and
> the same in some cases in readings, for the average home user I rec=
ommend
> the craftsman as it was closest to the Fluke and it's loaded with f=
eatures
> although other scales may not be as accurate?
>
> ----- Original Message -----
> To: <scirocco-l@scirocco.org>
> Sent: Thursday, August 22, 2002 2:11 PM
> Subject: Re: alternator swap
>
>
> > It always depends on the voltmeter used.
> >
> > Not all voltmeters are created equal. Some are more
> > acurate than others.
> >
> > If you are using a 300$ Fluke voltmeter, then your
> > reading will be more accurate than if you are using a
> > 29$ canadian tire voltmeter.
> >
> > Don't worry about milivolts differences on a car.
> >
> > Cheers.
> >
> > Marc
> > '83 Scirocco
> > '88 Scirocco Slegato
> >
> > --- John Erickson <ranahan@charter.net> a =E9crit : >
> > That 120 amp Audi alternator I put in my car puts
> > > out a
> > > very steady 14.002 volts. I don't think 14.1 is a
> > > problem.
> > >
> > > John
> > > Long beach
> > >
> > >
> > > On Thu, 22 Aug 2002 12:41:30 -0400
> > > Allyn <amalventano1@comcast.net> wrote:
> > > >arg, just tested the 8v roccos alternator. 14.1
> > > volts on
> > > >startup. this seems a
> > > >bit high to me. i took a check on the rieger: 13.6
> > > on
> > > >startup. that seems more
> > > >realistic. is there some 8v alternator magic i dont
> > > know
> > > >about? or is that 8v
> > > >number really too high? i suppose swapping over
> > > regulator
> > > >assemblies would fix
> > > >that excessive voltage problem... hrm...
> > > >Al
> > > >
> > > >----- Original Message -----
> > > >From: "Allyn" <amalventano1@comcast.net>
> > > >To: "scirocco list" <scirocco-l@scirocco.org>
> > > >Sent: Thursday, August 22, 2002 12:33 PM
> > > >Subject: alternator swap
> > > >
> > > >
> > > >> the alternator (bosch rebuild, from prev owner,
> > > unknown
> > > >>purchase date) on the
> > > >> wifes jetta is acting up. voltage goes to 12.8 on
> > >
> > > >>startup (actually charges
> > > >> battery enough to start w/o jumping), but easily
> > > gets
> > > >>loaded down. headlights
> > > >> and a/c are too much for it to handle, as voltage
> > > drops
> > > >>to the 10.5-11 range.
> > > >> i've tried swapping brush+regulator assemblies
> > > with no
> > > >>luck. my guess is some
> > > >of
> > > >> the output rectifier diodes are toast and it
> > > simply cant
> > > >>put out the rated
> > > >> current anymore.
> > > >>
> > > >> questions:
> > > >> 1. this thing still has a bosch rebuild sticker
> > > on it.
> > > >>do they offer any kind
> > > >of
> > > >> warranty at all?
> > > >> 2. what potential differences are there between
> > > the
> > > >>alternators on an 87 8v
> > > >> jetta (with a/c), and an 87 scirocco 8v (w/o
> > > a/c). they
> > > >>look the same on the
> > > >> outside, but will the scirocco alternator
> > > possibly have
> > > >>a lower current
> > > >rating,
> > > >> being non-a/c and all?
> > > >>
> > > >> thanks in advance for info,
> > > >> Al
> > > >>
> > > >> Allyn Malventano, ETC(SS), USN
> > > >> 87 Rieger GTO Scirocco 16v (daily driver, 180k,
> > > rocco
> > > >>#6)
> > > >> 86 Kamei Twin 16V Turbo Scirocco GTX ('it has
> > > begun',
> > > >>rocco #7)
> > > >> 86.5 Occo 16v Trailer (dotting 'i's across the
> > > country,
> > > >>rocco #8)
> > > >> 87 Jetta 8v Wolfsburg 2dr (daily driver, 260k, 0
> > > >>rattles, original clutch,
> > > >> driveshafts, wheels :)
> > > >>
> > > >>
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> > > >> Scirocco-l@scirocco.org
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> > > >
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