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lilredpo lilredpo is offline
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Join Date: May 2004
Location: Franklin, MA
Posts: 49
Alternator voltage low

2002 Boxster S. 'Battery / Generator' as well as other flashing messages. Replaced battery. Voltage now reading 12.5 across battery with key off. Running, voltage reads 11.41 at high rpm as well as at idle.

Everything I have read points to a failed alternator if running voltage reads over 15/16.

Should I assume alternator is bad with low reading or should I look for other issues?

TIA.
Old 05-31-2011, 06:10 PM
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