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Cooper911SC Cooper911SC is online now
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Join Date: Feb 2007
Location: Tustin. CA
Posts: 1,287
Likely voltage regulator going. Check the alternator output at the battery while car is running. It should be around 13.8V or so. Not much higher.

Mine stuck and overcharged the system...ended up burning out my headlight bulbs!

Cooper
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PCA/OCR since 1997
'81 911SC, '95 993 Tip. Project 'Euro spec' '70 914-4 w/2.0 & side shifter
Old 09-23-2008, 05:52 PM
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