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Old 08-14-2013, 07:00 PM   #1
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Itasca house batteries won't charge?

Just bought a nice low mileage 2000 Winnie Itasca Spirit. The house batteries won't charge via the cable connected to my household current. The batteries are only 2-3 years old. They will accept a charge when I run the engine for a few minutes. When plugged in the RV gets power from the cable just fine. It does have a new plug that was spliced on by the previous owner. Does it make a difference if the inside battery power switch is off or on? Any ideas?
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Old 08-14-2013, 07:39 PM   #2
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Does it make a difference if the inside battery power switch is off or on? Any ideas?
I'm pretty sure they won't charge if the inside "salesman switch" is off.

Do you have a control panel which shows the state of your batteries, charger, etc?

Rick
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Old 08-14-2013, 07:58 PM   #3
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You have an onboard battery charger that charges them when plugged into shore power. If you have a generator running, that will charge them too.

Some coaches will charge the batteries if that switch is off, some of them don't. Since you saw them charge with engine running, you either have a voltmeter or a battery indicator in the coach. So leave it plugged in and the the switch on, then check them a few hours later. If they haven't charged by the., you have something wrong in the charging system.
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Old 08-14-2013, 08:47 PM   #4
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My experience has been that the house batteries will charge while the engine is running regardless if the switch is on or off. However, to charge on shore power, my switch has to be on. It is a battery disconnect switch! So if it is off, the house battery is disconnected from everything, including the charger, in the house. You usually turn it off when storing the RV or if you are not going to use the RV for awhile. It prevents the house battery from running down.
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Old 08-14-2013, 09:07 PM   #5
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It is a battery disconnect switch! So if it is off, the house battery is disconnected from everything, including the charger, in the house..
I completely agree but I've always struggled with the terminology they use.

I guess it's kind of using a double negative that confuses the issue for me, but I would "assume" that a disconnect switch... when engaged or "on" would do it's job and disconnect the batteries. Conversely, when a disconnect switch is disengaged or turned "off" the batteries would be connected.

Then again, it doesn't take much to confuse me these days.

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Old 08-15-2013, 05:57 AM   #6
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I agree. RV's are a critter unto themselves! At times they can be be very frustrating. Oh well, guess it's just part of the experience!
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Old 08-15-2013, 10:59 AM   #7
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The "simple" solution, as always was correct. In this rig the internal battery switch must be ON to accept a charge from the external source. It will charge from the alternator or gennie regardless. Many thanks for your support!
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Old 08-15-2013, 03:11 PM   #8
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I completely agree but I've always struggled with the terminology they use.

I guess it's kind of using a double negative that confuses the issue for me, but I would "assume" that a disconnect switch... when engaged or "on" would do it's job and disconnect the batteries. Conversely, when a disconnect switch is disengaged or turned "off" the batteries would be connected.

Rick
Well I agree with you Rick, but I got over it. The light switches in your house are actually light diconnect switches. Turn them off, the lights go off.
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Old 08-19-2013, 06:33 PM   #9
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If you have a cheep voltmeter just check battery voltage with the switch both on and off. The voltage when charging should be above 12.7V
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