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Re: Alternator woes
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CarGuru > Volkswagen > Re: Alternator woes 9 February 2005 00:27:44
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Re: Alternator woes

Brian Running 9 February 2005 00:14:03
 
First, the old alternator has a small plastic box screwed to the back, with> a black wire connecting it to a spade terminal on the alternator marked +.> The plastic box is marked with a bunch of stuff, including a line reading> "2.2uF 100V", indicating it's a smoothing capacitor of some sort. The new> alternator does not have this piece. If it's just a smoothing cap, is this> critical? i.e. would lacking this part cause the new alternator not to> charge my battery? If it is critical, does this part have a name? I have> not seen it referenced anywhere, in the Bentley manual or on the web.> Should my new alternator have come with it?

Mike, that little plastic box is the rectifier/voltage regulator, I
believe, and without it, your alternator doesn't make DC current, which
is what your car needs to run. Swap in the old one off your old
alternator, or buy a new one, they're not real expensive.
Add comment
Mike 9 February 2005 00:27:44 [ permanent link ]
 Magically delicious!
The blue wire goes to the idiot light, but its presence is absolutely> critical to the charging system.

This turned out to be the culprit. I didn't have it hooked up to begin with
because the hole marked D where the blue wire should've hooked up to was
empty, there was no spade terminal to clip the wire to. Well, upon what had
to be my 12th inspection, I noticed that the new alternator had a second
large cable connector (as in, threaded stud with a nut just like the stud
for the starter cable) that i had previously been ignoring. This large stud
is marked D+, and had a tiny spade terminal sticking out of the back side of
it where I hadn't noticed before. Hooked it up, jumped it, and it works
beautifully.

Thank you very much, Randolph!

Mike


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CarGuru > Volkswagen > Re: Alternator woes 9 February 2005 00:27:44
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