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#2
December 28th 04, 01:20 AM
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"Robert M. Gary" wrote in message oups.com... When I turn on a lot of accessories on my Mooney F '76 I can drop the bus voltage down to around 13.6. My A&P says 13.6 is normal with accessories on. Does this sound right? -Robert At cruise RPM? Sounds like you may have 1 or 2 of the three diodes burnt out in your alternator. Another possibility is that your voltmeter is off. Try checking it with a digital voltmeter, and comparing the two. -- Jim in NC 
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