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Alternator and voltage woes help!
Posted by Mike T (more from Mike T) on Fri, 5 Dec 2003 18:30:25
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I had my alternator light come one the other day and took some voltages this is what I got:
at D+--11.15v while running
at B+--24.3v while running
across the battery with car on or off---24.3v
I pulled the voltage regulator and the brushes were shot so I got a new Bosch and installed it today. Well, the light went off and everything seemed ok until I went to check the voltages to make sure. This is what I have now:
at D+--29.2--while running at idle
at B+--29.2--while running at idle
across the battery 29--while running at idle
Seems as if the alternator is putting out right around twice the voltage it should be. I even checked the voltage at the headlight and it matched all the others. Is my alternator shot? Did I just waste $32 on a voltage regulator?????? The thing has run great so I don't know how long it's been overcharging. I'm afraid of what pumping out this much juice could do.
Thanks for any help!
Mike T---'90 900S 165k mi.
posted by 68.76.11...
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