Alternator question

[fahrvegnugen at cox.net (David Utley)]

I can't recall there being a wire that goes to that 'W' connection you mentioned, it seems like I had the same confusion about that when I did mine...  You do have a blue exciter wire connected to it though, right?  If so, the alt. might be a little lazy.  Mine does this too, and has for the three years I have had it.  BUT, I only have to rev. it to about 1.8K...

David
> 
> From: Behrle Hubbuch <behrleiii@yahoo.com>
> Date: 2004/11/17 Wed PM 04:56:53 EST
> To: scirocco-l@scirocco.org
> Subject: Alternator question
> 
> Recently I swapped out Dieter's stock 65 amp alternator for 90(?) amp alternator I had rebuilt for my Jetta ECOdiesel but didn't need.  I had to modify the mounting bolt bracket on the case so the pullys would line up and build a plug so I didn't have to alter the original wiring but I got it in.  It throws out plenty of juice according to the GTI volt meter which has replaced the clock.  The problem is when I first start the car the alternator doesn't start charging until I rev it up to around 4 grand!  After that it's fine.  What have I missed?  There is the W plug on the alternator which has no wire in the original harness, do I need to add one?  If so where does the other end go?  I would appreciate any advice.
>  
> Thanks,
>  
> Behrle
> 
> P.S. I did manage to get a few decent pewter Scirocco key fobs cast before the mold gave up.  The resin hosed the RTV mold. If any one is still interested I can send you one.
> 
> 
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Chrome may make it bling, but it don't make the engine sing...