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09-04-2019, 05:35 PM
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#1
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Montana Fan
Join Date: May 2017
Location: Piedmont
Posts: 112
M.O.C. #19905
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Battery Disconecct
My question is will the camper battery charge when the camper is plugged into shore line power with the Battery Disconnect switch in the Off position?
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09-04-2019, 08:38 PM
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#2
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,701
M.O.C. #12947
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NO. You really don't need to disconnect the battery for any reason if the rig is plugged in or is being towed. Even in off season, disconnecting the battery with the switch will still end up with a dead battery, as there are other things connected ahead of the switch that will drain the battery.
__________________
Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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09-04-2019, 08:41 PM
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#3
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Montana Master
Join Date: Jun 2017
Location: POINTBLANK
Posts: 1,888
M.O.C. #19944
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totally agree Bob
__________________
RAM 22' DRW 3500 Crew LB 40 gal reserve tank / RETRAX Bed Cover / 2020 373RD HC / IS / MOPEKA Tank Monitor / Furrion Side&Rear Cameras
Slide Toppers / EMS-HW50C / Sailun 85's
3rd AC / Dometic 320
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09-05-2019, 06:19 AM
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#4
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Montana Fan
Join Date: May 2017
Location: Piedmont
Posts: 112
M.O.C. #19905
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Battery Disconect
Quote:
Originally Posted by rohrmann
NO. You really don't need to disconnect the battery for any reason if the rig is plugged in or is being towed. Even in off season, disconnecting the battery with the switch will still end up with a dead battery, as there are other things connected ahead of the switch that will drain the battery.
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My Montana is hooked to a power source, 50amp all the time. The disconnect switch has been in the off position, yesterday the battery was dead. My question is will the battery still charge when plugged into a power source if the discontent switch is in the off position?
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09-05-2019, 09:26 AM
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#5
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Montana Master
Join Date: Oct 2015
Location: westminster md
Posts: 2,318
M.O.C. #17894
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First off, if the key can be removed, the batteries are disconnected from the panel, to me meaning (off). No the batteries will not charge with the key off. I have owned 3 campers, all with this switch and for the life of me I see no reason why anyone would need to turn it off, other than working inside the panel. I have never turned any of my disconnect switches.
There are several items such as the propane detector that are connected directly to the battery and will continue to draw even with the switch off.
If there is a need to totally disconnect the batteries, put a disconnect switch on the negative battery cable. Then there would be no draw on them at all.
__________________
2018 Chevy 3500 LTZ Dually Diesel 4x4 CCLB
2011 Montana 3455 SA. 6 point level up. Disc brakes. Curt Q24 Hitch. 5 step glow steps
Progressive EMS. Valterra tank valves. Sailun G637 tires. ARP fridge control. All led lighting. Mor Ryde IS
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09-05-2019, 11:18 AM
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#6
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Montana Master
Join Date: Sep 2017
Location: Tacoma
Posts: 1,567
M.O.C. #20475
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Quote:
Originally Posted by Dixie Flyer
My Montana is hooked to a power source, 50amp all the time. The disconnect switch has been in the off position, yesterday the battery was dead. My question is will the battery still charge when plugged into a power source if the discontent switch is in the off position?
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The battery will not charge if you turn off the battery disconnect switch. Just like Bob said.
__________________
Bob & Carol Washington St
2017 HC HM352RL 2018 Dodge 3500 laramie CC LB 4x4
Curt Q25 with puck system, Factory air bags
Happy Trails
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09-05-2019, 11:46 AM
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#7
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Montana Master
Join Date: May 2017
Location: South East NC
Posts: 1,768
M.O.C. #19865
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Correct! My neighbor borrowed my genny and connected to a 30 pig tail to the trailer. After 4 hours his battery was still dead. I asked if his battery disconnect switch was on or off. Naturally he did not know so I went,,, not going to charge unless the disconnect key is out I told him. Now I just give him the battery charger too and tell him to go that way as he never disconnects the neg terminal and I'm not going to install a real cutoff. Will he learn?
__________________
John & Patty
2022 3855 BR
2019 Lariat F350 4X4 Dually
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09-05-2019, 01:48 PM
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#8
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Montana Master
Join Date: Aug 2009
Location: Grand Rapids
Posts: 1,896
M.O.C. #9561
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if your battery is 'dead' at this point it really may be dead.
you may need a new battery now.
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09-05-2019, 07:41 PM
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#9
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Montana Fan
Join Date: May 2017
Location: Piedmont
Posts: 112
M.O.C. #19905
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Battery Disconect
Turned the battery Disconnect Switch to on and the battery is fully charged. I don't remember turning it to off but sometime over the past few months I must have. Anyway all is well now. Thanks for the replies.
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09-12-2019, 05:13 PM
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#10
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Established Member
Join Date: Sep 2017
Location: Evansville
Posts: 12
M.O.C. #20493
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Quote:
Originally Posted by beeje
...for the life of me I see no reason why anyone would need to turn it off, other than working inside the panel. I have never turned any of my disconnect switches...
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I turn mine off when I take it to storage in between camping trips. I then pull the battery when storing it for the winter.
__________________
Gary and Cindy
Evansville, IN
2021 Montana 3781RL
2016 Ford F-350 6.7L Diesel 4x4 DRW
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09-12-2019, 05:31 PM
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#11
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Montana Master
Join Date: Oct 2015
Location: westminster md
Posts: 2,318
M.O.C. #17894
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Quote:
Originally Posted by goxley11
I turn mine off when I take it to storage in between camping trips. I then pull the battery when storing it for the winter.
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FYI, even with the disconnect switch turned off there are still many items that are hardwired directly to the battery and will drain/kill the battery in weeks. If batteries are consistently drained below 50% or so, they will be useless in no time. I recommend if you are going to do that (turn off the disconnect) you install a disconnect on the negative cable from the battery to the camper frame. That way there is NO chance of any battery drain.
__________________
2018 Chevy 3500 LTZ Dually Diesel 4x4 CCLB
2011 Montana 3455 SA. 6 point level up. Disc brakes. Curt Q24 Hitch. 5 step glow steps
Progressive EMS. Valterra tank valves. Sailun G637 tires. ARP fridge control. All led lighting. Mor Ryde IS
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09-13-2019, 08:53 AM
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#12
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Established Member
Join Date: Sep 2017
Location: Evansville
Posts: 12
M.O.C. #20493
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Quote:
Originally Posted by beeje
FYI, even with the disconnect switch turned off there are still many items that are hardwired directly to the battery and will drain/kill the battery in weeks. If batteries are consistently drained below 50% or so, they will be useless in no time. I recommend if you are going to do that (turn off the disconnect) you install a disconnect on the negative cable from the battery to the camper frame. That way there is NO chance of any battery drain.
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Good advice, thanks.
__________________
Gary and Cindy
Evansville, IN
2021 Montana 3781RL
2016 Ford F-350 6.7L Diesel 4x4 DRW
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