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Old 02-08-2011, 09:39 PM   #1
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Max voltage from alternator

What is the max voltage you should see while going down the road from a 160 amp Leece Neville alternator? 2003 ISL 400.

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Old 02-09-2011, 06:47 AM   #2
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On my 2006 Alpine Coach, the most voltage I see is a range of 13.9 to 14.1 as shown by the Silverleaf monitor.

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Old 02-09-2011, 09:22 AM   #3
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Our 2006 is max voltage range is exactly the same as Dale's -- 13.9 to 14.1.
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Old 02-09-2011, 09:43 AM   #4
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14.4 is what most regulators are set to.
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Old 02-10-2011, 10:52 AM   #5
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Don't trust your gauge, mine reads 15.5 on the dash board.
Its about 14 volts at the batteries.
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Old 02-12-2011, 01:11 AM   #6
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Although I replaced the LN with an Delco, I consistently get 14.1V read out in the dash gauge. And because I went to the 200A output alternator, the coach seems to work much better than it used to with the old one.
Monty & Janet - 2007 Alpine APEX 40 MDTS
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Old 02-12-2011, 07:01 AM   #7
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Check the charging voltage at the batteries. Normally 13.8 to about 14.1 volts MAXIMUM.


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