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05-07-2013, 01:59 AM
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#1
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Senior Member
Join Date: Jan 2013
Location: arkansas
Posts: 322
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12 volt gauge on dash
Was showing 13 volts running the other day.. Yesterday showed 11volts and battery acting like it was dead.. Even when you turn the coach off it shows 10-11 volts.. Bad alternator?
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05-07-2013, 12:30 PM
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#2
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Senior Member
Join Date: May 2008
Location: Just North of Detroit, a surprizingly great city
Posts: 380
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It could be a bad alternator or it could be a badly failed battery that soaks up all the alternator current. One way to tell is to use the converter to try charging the batteries and if they come up to voltage then it's very likely the alternator. If they don't come up to voltage then the batteries are gone and this can be confirmed with a battery tester.
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Jon and Alie Kabbe
Started with 77 Coach
Now have 39' 93 coach
2007 civic toad
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05-07-2013, 02:23 PM
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#3
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Senior Member
Join Date: Jun 2009
Location: Idyllwild, CA
Posts: 1,340
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I agree and would start by looking at the batteries and checking the terminals (wait a while after charging) to be sure that they are tight and the batteries have reasonable voltage.
Since it does sound like you could have a charging problem the next step I would take is to get a volt meter. Write down the voltage before starting the diesel and then after while it is running. The voltage should be about 14 volts (roughly 13.8 to 14.2 depending on the type of batteries) when the engine is running. A reputable parts store or rebuild shop can help check the alternator and regulator for you after you pull it.
good luck
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have Coach will Travel
Steve & Tricia
1982 Newell 38' (built before #1) 6V92 DD, 5 Speed Allison, 12.5 KW Kohler, Couch used to make into a Bed but I fixed it!
https://newellshowcase.com/thumbnails.php?album=214
2007 Yukon, 1981 CJ7 Laredo, 2002 Honda CRV, 1955 Thunderbird, 1952 Pontiac Sedan Delivery, 1952 Ford 8N, 1958 Airstream, 1959 Glasspar 16' Avalon, Cabin in the Woods........what will I work on next
[SIGPIC][/SIGPIC]
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05-12-2013, 06:51 PM
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#4
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Senior Member
Join Date: Jan 2013
Location: arkansas
Posts: 322
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Alternator is putting out.. When I plug in the batteries charge back up.. I think I had a bad belt.. Looked this morn and now I have no belt...gotta find one
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05-12-2013, 10:55 PM
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#5
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Senior Member
Join Date: Oct 2011
Location: Sam Carlos, Sonora, Mex.
Posts: 407
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Get two while you are at it.
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2001 Newell #579
tow a 2011 Honda Odyssey
1935 Mercedes 500K replica
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