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Old 11-28-2010, 06:19 PM   #1
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We have 1990 HR with 460 Ford motor.Volt gauge read about 14.5 volts.I know a little high but is it going to hurt anything?

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Old 11-28-2010, 09:16 PM   #2
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Automotive alternators tend to put out as much as 14.4 volts and that is supposedly ok for chassis components. I would think that bulb life would be shortened at that high a voltage, but probably not much other effect.

You should have an isolator between the alternator and the house batteries and they typically drop the voltage a bit. Check the voltage at your house batteries with the engine running and shore power disconnected. Hopefully it is under 14.0v and closer to 13.7v
Gary Brinck
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