[Vwdiesel] bad alternator?

[Will Taygan]

Check for breaks in the wires, especially the blue one.

Will.

On Tue, 2012-01-24 at 21:07 -0500, Chris Jude wrote:
> Folks,
> 
> I tightened up the belts on my 85 VW Jetta earlier this week, and have been
> having battery issues since.  The alternator had performed well, though the
> belt has l;ong had a tendency to get a little loose every few weeks.  The
> only odd thing I noticed was that while tightening the belts I tapped the W
> connection on the back of the alternator and saw a small spark.  Also,
> there are three wires on the + post of the battery, one to the starter, and
> two to red 8ga wires that go to the drivers compartment.  One of these two
> red wires will spark a little when I remove it from the post.  These wires
> all have some new corrosion on them, which I cleaned off a couple days ago.
> 
> The battery light is coming on now, and the battery is not recharging.  I'm
> able to drive to work in the am with the lights on without totally losing
> juice, but am recharging it in the day.  This evening when I got home the
> battery was at 12.0V.
> I replaced the wires to the alternator this evening with no noticeable
> results.  I am not seeing any charge from the alternator with the engine
> running at idle or up to full rev.
> Any tips on what to check next?  Could I have shorted the alternator by
> tapping the W post?
> 
> Thanks,
> Chris Jude
> Silk Hope, NC
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