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Alternator shot - running on batteries
I've been running on a two-battery bank for about 8 hours with a shot
alternator. Is this normal? Batteries are two weeks old, crankin' batteries. Engine is a 5.7litre '78 Mercruiser. Cabin guage shows this bank at 12.2v, other bank which hasn't been used at all is at 12.8. No increase in voltage when engine is running, on alternator tester or two other on board guages (ammeter and voltmeter) No other house current being used to speak of. My other boat is a 15' Bayliner with a 50 horse Force, so obviously I have no basis for comparison! I'm taking alternator in to the shop on Monday. How long can an engine like this run with no alternator? Thanks in advance! Speedo |
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