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02-09-2018, 03:37 PM
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#1
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Seasoned Camper
Join Date: Oct 2017
Location: Ligonier
Posts: 80
M.O.C. #20630
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Battery cutoff
I have a 3791 RD 2018. There is a battery cutoff switch in the Convenience Center. Someone told me there may be a second one that has to be used as well to fully disconnect the batter for storage. Does anyone know where the second cutoff is?
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02-09-2018, 03:58 PM
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#2
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Montana Fan
Join Date: Sep 2017
Location: ALAMEDA
Posts: 227
M.O.C. #20448
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You have to install it in the battery compartment.
__________________
2017 Montana High Country 310RE
2017 Ram 2500 Diesel, 4 wd crew cab, slr, pulrite super glide, short bed, 2 ea 100 Ah LiFePO4 12 volt Deep Cycle Battery
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02-09-2018, 04:07 PM
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#3
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Established Member
Join Date: Dec 2017
Location: Hollywood Md
Posts: 25
M.O.C. #20930
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On my 2018 3731FL there are two Battery Disconnects. Neither one by themselves will disconnect all power. Kind of crazy but thats how my Montana is configured. Here are two pictures of the disconnects. One is located in the convenience center and the other is off the battery. But Like others have mentioned The way the system is wired neither one by itself will disconnect all power.
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02-09-2018, 05:52 PM
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#4
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Montana Fan
Join Date: Sep 2017
Location: ALAMEDA
Posts: 227
M.O.C. #20448
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If you install a battery disconnect on the negative side of the battery bank then ALL the power will be off.
__________________
2017 Montana High Country 310RE
2017 Ram 2500 Diesel, 4 wd crew cab, slr, pulrite super glide, short bed, 2 ea 100 Ah LiFePO4 12 volt Deep Cycle Battery
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02-09-2018, 07:12 PM
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#5
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,370
M.O.C. #4831
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The battery disconnect in the convenience center does not disconnect all of the 12V power users (Level-Up, Propane detector, etc) which results in dead batteries after a while. *IF* you have a residential refrigerator there is a second disconnect in the front compartment near the batteries. It is solely to disconnect 12V power to the refrigerator. So model numbers of nnn1 will have it and everyone else won't.
Add a disconnect at the batteries to ensure all 12V power is turned off.
__________________
Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB
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02-09-2018, 08:12 PM
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#6
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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You can buy a simple blade disconnect for install at the battery for around $10.
__________________
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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02-10-2018, 12:54 PM
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#7
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Seasoned Camper
Join Date: Oct 2017
Location: Ligonier
Posts: 80
M.O.C. #20630
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Thanks everyone, I found it with your help. Funny it's another lie told to me by Camping World when I picked up the unit. I appreciate everyones help.
Lynn Ferraro
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02-11-2018, 01:02 PM
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#8
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Montana Master
Join Date: Apr 2015
Location: Stafford Springs
Posts: 524
M.O.C. #17256
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Quote:
Originally Posted by sdinsley
On my 2018 3731FL there are two Battery Disconnects. Neither one by themselves will disconnect all power. Kind of crazy but thats how my Montana is configured. Here are two pictures of the disconnects. One is located in the convenience center and the other is off the battery. But Like others have mentioned The way the system is wired neither one by itself will disconnect all power.
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True. the one in your battery compartment is only for the Inverter. It lets you remove all power from the inverter that powers the fridge if you need to reboot it.
__________________
Jason & Wendy
2014 Ford F-350 Lariat 6.7L PSD
2015 Keystone Montana 3711FL
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02-02-2020, 02:34 PM
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#9
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New Member
Join Date: Aug 2018
Location: Las Vegas
Posts: 7
M.O.C. #22380
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Battery Disconnect switch question
I have a 2016 Montana 3820FK 5th wheel. In the storage compartment I have a Battery Disconnect switch. When I go to put it in storage, which way (on or off) should I place this switch??? I have received different recommendations from different people, including the RV service shop!! Since I have had numerous electrical problems with batteries dead on numerous occasions, I am really confused now!!
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02-02-2020, 03:19 PM
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#10
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Montana Master
Join Date: Apr 2017
Location: 1000 oaks
Posts: 954
M.O.C. #19630
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Read above thread.
__________________
2011 2955RL Gen-Y Executive Kingpin
2022 GMC 2500HD Duramax/Alison
4X4 Crew Cab/Standard bed.
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05-30-2020, 01:24 PM
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#11
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Established Member
Join Date: Mar 2010
Location: Sherman
Posts: 18
M.O.C. #10193
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Quote:
Originally Posted by sdinsley
On my 2018 3731FL there are two Battery Disconnects. Neither one by themselves will disconnect all power. Kind of crazy but thats how my Montana is configured. Here are two pictures of the disconnects. One is located in the convenience center and the other is off the battery. But Like others have mentioned The way the system is wired neither one by itself will disconnect all power.
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When it is in the position shown in your photographs, are the batteries "cutoff?"
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05-30-2020, 06:46 PM
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#12
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Montana Master
Join Date: Oct 2017
Location: Bastrop
Posts: 2,892
M.O.C. #20753
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Quote:
Originally Posted by Biscotty
When it is in the position shown in your photographs, are the batteries "cutoff?"
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if you can remove the key
__________________
Mocha, one-eyed toothless, hurricane survivor, Pirate dog
2019 20th Anniversary Edition 3701LK
B&W 20K for Ford OEM Puck
2018 Ford F-350 Lariat CCLB PSD DRW KJ5CQH
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