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Old 07-23-2021, 01:36 PM   #1
Join Date: Jul 2011
Location: Acra, NY
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Battery charging question??

I put in outlet to keep rv plugged in when not using it. Will the house and chassis batteries still charge if you keep both cutoff switches to off position but leave rv plugged into shore power??
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Old 07-23-2021, 01:39 PM   #2
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Totally depends on how YOUR RV is wired.

Pretty easy to test with your digital voltmeter.

Record voltage at both battery banks before plugging in.

Record voltage at both battery banks after plugging in and making sure your converter or inverter/charger is charging.

Let us know.
Brett Wolfe
Ex: 2003 Alpine 38FDDS. Ex: 1997 Safari Sahara. Ex: 1993 Foretravel U240
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Old 07-23-2021, 01:51 PM   #3
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Like Brett said -- it depends.
On my Coach the House batteries will charge via the Solar panel with the battery disconnects turned off but not from the charger/inverter.
Mike --- 2005 Beaver Patriot Thunder CAT C13 525HP, Vicksburg 42ft, with HydraLift ---
*Monaco Chassis, Known Problems, Info!AtvAXw_lfqbToxXYREK9YdBP08Jn
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Old 07-23-2021, 04:13 PM   #4
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Hi MsgtNobody; Yep, follow Brett's advice. Monaco wired things differently depending on model and year. On your model level of coach I would say that only the house batteries are charged when plugged into shore power and not the chassis batteries. On my previous 2000 Windsor and my current 2001 Windsor both the house and the chassis batteries are charged when plugged into shore power. Also even with the battery disconnect switches in the off position both sets of my batteries are charged. Thought this was crazy but a call back then to a Monaco Tech. in Oregon confirmed that was how the system was designed. When I work on the electrical system, batteries, I always make sure I am unplugged from shore power.
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Old 07-24-2021, 05:47 AM   #5
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Not to be that guy but you should add signature with your 2008 LaPalma XL.
If it has bidirectional ACR it may or may not work as well. The auto charge relay or battery combiners seem to be universally troublesome , all brands and models, if equipped to charge chassis at all.
95 Monaco Crown Royale
M11 400hp, 4060 trans.
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Old 07-24-2021, 06:14 AM   #6
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If the batteries charge while at a campground they will charge at home.

Leave the switchs on.

If you disconnect the batteries, in most cases, you disconnect the chargers.
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Old 07-24-2021, 07:10 AM   #7
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As Brett says, use a voltmeter to confirm. These things are snow flakes and with some of the common problems that occur with the charging systems you need to know via a voltmeter and not an (owners manual) for example.
Myron & Deborah
08 HR Endeavor 40 SKQ
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Old 07-24-2021, 10:52 AM   #8
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almost always NO. the disconnect switchs disconnect the house batteries from the converter. Also, there is a good chance if you charge you house battrirs you willnot charge you chassis batteries.

Do a test with a volt meter. see if its charging?
Art & Joyce
Thornville, OH
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battery, charging

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