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Old 01-23-2009, 11:37 PM
sbourg sbourg is offline
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Join Date: Jul 2001
Location: SoCal
Posts: 1,303
Quote:
Originally Posted by fireman453 View Post
and 12.9 or so at the battery. i was wondering if it might be a problem with the overvoltage protection relay?
The OVP supplies power to the ECU, and should not affect the reading you are getting. That 1/2 Volt drop between the alternator and the battery is too much. Look for bad connections or a large fuse that has blown.

Steve
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