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Re: [T3] Charging System Polarization

On 31 Jan 2004 at 12:26, Garret Trask wrote:

> I'm installing a new voltage regulator in my car, and I've come across a 
> step in the Muir book to polarize the charging system.  

It's good that you asked this question, because probably more damage is done to 
VW charging systems by trying to repolarize them than by any other cause. It is 
a confusing area and most people end up doing it wrong.


In 35 years I have come across exactly ONE generator that needed to be 
repolarized, and that was one where the owner had done something stupid which 
had polarized it backwards.

May I suggest that you tell us what's wrong with your generator and why you 
think repolarizing might help.  

FYI, every time you start up your car the generator gets repolarized. There is 
never any reason to simply refresh it. The only reason to repolarize is in case 
the polarization has gotten accidentally reversed. It is difficult, under 
normal circumstances to reverse polarize a generator. Polarization of 
generators isn't lost even by decades of storage.

If you really need to repolarize, I'll be glad to send you my FAQ, which I 
think gives good instructions on this.

Jim Adney, jadney@vwtype3.org
Madison, Wisconsin, USA

List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org

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