[Vwdiesel] Vw alt wired into JD, directional rotation

[Erik Lane]

I would agree, though with one caveat - you've got to find a quality
rebuilder first.

As far as charging in only one direction - I don't think that it
should matter at all, unless the brushes/slip rings are really worn
and only want to work in the same direction that they've been going
all their life. I can't think of another reason. Internal to the
alternator it is alternating current and shouldn't care one bit which
way it is going or coming, since every split second it is reversing
anyway.

I know electricity some - I'm a power engineer - but not for car
alternators specifically, so I guess I could be overlooking something,
or be a bit naive?

Erik

On Wed, Dec 12, 2012 at 7:44 AM, Travis . <tgott at hotmail.com> wrote:
>
> Where they VW alts or ones for other makes of cars?
>
> I say go with rebuilt-as they don't fail as often as the exchanged ones. While you may be able to replace under warranty on the road-you won't need to as often with a rebuilt one as often. I haven't had an alt failure yet. I have this spare one only because I went to the "W" terminal one for the tach and then upgraded to the AAZ motor which has a different setup so I had the spare from the other motor-it was sold with the none "W" alt on it.
> Travis
>
>
>
>
> From: rgreeley2 at hotmail.com
> To: tgott at hotmail.com; vwdiesel at vwfans.com
> Subject: RE: Vw alt wired into JD, directional rotation
> Date: Wed, 12 Dec 2012 13:08:42 +0000
>
>
>
>
> travis, yes, i had two seperate occasions where the alt charged only in one direction (in the on bench tester) and not the correct one so it created a confounding situation when i put the alt in the car.
>
>
> as far as a replacement, i thought i should purchase one from a nation wide resaler as i will at times be on the road traveling with this passat wagon and then could replace the alt when and where it goes bad.
>
>
> ray
>
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