Alternator wizardry??

[green536@hotmail.com (Chris DeLong)]

If it had a diamond shaped voltage regu;lator on it its probably a Bosch. If 
this is the case then try replacing the voltage regulator. It sounds like 
the regulator is failing or the brushes are getting low. Its a cheap fix; 
like 30$.


>From: "Tobias ><" <scirocco16v88@hotmail.com>
>To: scirocco-l@scirocco.org
>Subject: Alternator wizardry??
>Date: Fri, 24 May 2002 05:46:37 +0000
>
>
>Ok, all you young and old and kinda in between farts ..
>
>What are the signs of an ailing alternator?
>
>My patient: 16V 90A Alternator, not sure if it's a Bosch since I haven't
>found any markings on it yet (didn't take it out yet). Fully relayed wiring
>hooked to the battery and 55W H1s.
>
>When car is on and ideling, headlights on, they will dim and grow bright
>with the change of the RMPS, along with all the other lights of the car.
>It's not extreme, but noticeable that the alternator doesn't provide a
>steady powersource.
>
>When driving the problem goes away. I have checked the tension of the belt
>.. can turn it 1/4. The other day I got noticeable whining from the
>alternator.
>
>Question is, shouldn't the headlights and all lights stay on at a constant
>rate when ideling and not fluctuate? I'd like to get some steady power so I
>don't damage the ballasts (HID) I'm waiting to install. Next step is to get
>the thing tested (and replaced if I can find a decent place around here -
>San Jose - that has em ((no Bosch rebuilders that I know of, and NAPA etc
>... <shudder>))), but I want an opinion first.
>
>Course, if anyone has or knows where I might be able to pick up a 96 A4 
>120A
>with the top bracket attachment, for a reasonable price, lemme know .. then
>I'll ditch this sucker.
>
>Thanks,
>Tobias
>
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Chris DeLong
ICQ#45030867
Seattle, WA USA
'80 16V 'Rocco ragtop
'91 GLi 2.0 16V
'77 Rabbit 16V
'80 'Vert (parting out!)
'61 17 Window type II
'91 Vanagon
'78 Rabbit
'84 Jetta


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