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Old 07-25-2012, 01:09 PM
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MOTORHEAD MOTORHEAD is offline
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Join Date: Feb 2001
Location: BRADENTON, FL
Cobra Make, Engine: KIRKHAM 427 S/C, SHELBY 427 ALUM. STROKER
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Quick check for an alternator is output voltage. Should be between 13.75 and 14.25 volts. depending on load. ie a 50 amp alternator should maintain that voltage at full 50amp load. beyond 50 amps the voltage will drop off.
Sounds like your voltmeter is reading a little high with the new battery. Might want to check it's accuracy with a known good multimeter.
Ted
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