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11-07-2017, 03:43 PM
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#1
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Seasoned Camper
Join Date: Oct 2008
Location: Independence
Posts: 67
M.O.C. #8879
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Battery Disconnect
Got the trailer back from the shop again today and the disconnect switch was swinging from the wire cable. What position should the switch be in? Tried everything I can think of but nothing seems to make a difference. There is nothing in the Good Old Keystone Owners Manuel. Thanks Frank
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11-07-2017, 04:31 PM
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#2
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Montana Master
Join Date: Mar 2016
Location: Catoosa
Posts: 780
M.O.C. #18384
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Are you plugged into shore power? If so the 12 volt will be energized by your inverter, unplug from shore power and try. Also if plugged into your TV I think it will also bypass the disconnect.
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11-07-2017, 04:50 PM
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#3
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Montana Master
Join Date: Feb 2005
Location: Haysville
Posts: 4,261
M.O.C. #3085
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If you can pull the key out ... it's off
If you cannot pull the key out ... it's on
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11-07-2017, 05:34 PM
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#4
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Montana Master
Join Date: Nov 2013
Location: Willow Spring, NC
Posts: 992
M.O.C. #13909
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With the key out, you still have load on your battery. The LevelUP and slides will still function without the disconnect Key installed. So you will have drain on the battery. If you have the RV plugged in to shore power, leave the battery connected. If the RV is stored without shore power, disconnect the negative lead of the battery to kill all drain on the battery. I got tired of that and put in one solar panel and controller to keep the battery charged.
__________________
Jim & Martha Abernathy
2014 Montana 3402RL Level UP, Sailun S637's, TST 507, 500W solar
2014 Ram 3500 Laramie® 4x2 diesel dually crew-cab 3.73 axle, Reese R20
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11-07-2017, 06:35 PM
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#5
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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It's not just level-up and slides. The propane detector and many of the 12v controls will still be drawing juice and will kill your battery in a short time if you store it and don't pull the negative side.
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11-07-2017, 07:17 PM
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#6
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Montana Fan
Join Date: Sep 2017
Location: ALAMEDA
Posts: 227
M.O.C. #20448
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Thanks I learned that but still keep battery connected because I am too lazy to disconnect the ground.
__________________
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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11-08-2017, 09:45 AM
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#7
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Seasoned Camper
Join Date: Oct 2008
Location: Independence
Posts: 67
M.O.C. #8879
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Battery Disconnect
Thanks to everyone that replied to my stupid question, but here goes another. About to embark on our migration to MacDill for the winter if we can keep this Montana out of the shop long enough.
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11-08-2017, 03:47 PM
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#8
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Montana Master
Join Date: Dec 2005
Location: Eugene
Posts: 1,054
M.O.C. #5091
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I pull both batteries and store them in garage plus put the on charger every once in awhile.
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11-09-2017, 09:51 AM
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#9
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Site Team
Join Date: Sep 2017
Location: Oro Valley
Posts: 3,933
M.O.C. #20477
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Does any of you understand why the Montana battery switch does not completely disconnect the 12 volt system? On my last rig nothing 12 volt worked without the battery turned on.
Also does the battery switch need to be on for the battery bank to be charged by your truck while towing?
__________________
Zack and Donna plus Millie and Ranger
2018 3160RL
"Life is too short to stay indoors, enjoy the ride!"
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11-09-2017, 12:54 PM
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#10
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Montana Fan
Join Date: Sep 2017
Location: ALAMEDA
Posts: 227
M.O.C. #20448
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My rig is charged by truck no matter where the battery disconnect switch is.
__________________
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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11-10-2017, 05:54 AM
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#11
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Montana Master
Join Date: Aug 2012
Location: Northport
Posts: 624
M.O.C. #12724
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11-15-2017, 05:21 PM
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#12
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Montana Master
Join Date: Oct 2015
Location: westminster md
Posts: 2,320
M.O.C. #17894
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Very simple solution. I installed a battery cut off switch on the negative cable going from the battery/s to the frame of the camper. If I ever have to completely disconnect, its simply a turn of that switch ( as long as its not plugged into shore power) and there will be NO draw on the batteries.
The factory switch disconnects 12 volt power going to the panel in the camper. There are many items directly connected the battery that do not draw power from the panel box.
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11-20-2017, 08:15 PM
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#13
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Established Member
Join Date: Oct 2013
Location: Bradenton
Posts: 36
M.O.C. #13855
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my disconnect switch didn't have any thing connected to it, the factory didn't wire it period, after a couple hours and some new wire, only the smoke detectors will stay on after the switch is turned off, I have discovered keystone couldn't wire a dog house correctly, I have replace a bunch of the wire the 12 volt system to fix the voltage line loss,
Know Im happy with the electrical system.
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11-20-2017, 08:27 PM
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#14
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Montana Fan
Join Date: Sep 2017
Location: ALAMEDA
Posts: 227
M.O.C. #20448
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I also hooked a disconnect on the negative battery post. Now 1 switch turns everything off. No more dead batteries. I am still lazy at least my wife thinks so and she is usually right.
__________________
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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11-21-2017, 03:52 PM
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#15
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Montana Fan
Join Date: Nov 2017
Location: Appling
Posts: 176
M.O.C. #20840
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Battery Disconnect
We recently purchased our 3791RD and I have a question on the battery disconnect switch(s). There's one in the front battery/generator compartment which doesn't appear to do much as when not connected to shore power or a generator I can still turn lights on in the unit? My thought is that the switch would halt all power supply to the unit? There's also a battery disconnect in the Utility closet on the side of the unit...does this disconnect power to the water heater? Lots of questions as the Owners Manual is devoid of sufficient information/diagrams, etc. Thanks
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11-21-2017, 08:31 PM
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#16
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,371
M.O.C. #4831
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The disconnect in the front compartment is solely used to disconnect the 12V power to the dedicated inverter which supplies your residential refrigerator. The disconnect in the convenience center disconnects the 12V power to MOST (not all) of the 12V devices. Notable exceptions include the hydraulic system and the propane detector.
__________________
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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11-22-2017, 04:12 AM
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#17
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Montana Fan
Join Date: Nov 2017
Location: Appling
Posts: 176
M.O.C. #20840
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Thanks much for the prompt reply. Other than MOC, is there a recommended source to gain a more technical understanding of 5W's. Will keystone provide a wiring and or plumbing diagram of our specific 5W model if requested?
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11-22-2017, 10:47 AM
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#18
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,371
M.O.C. #4831
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The MOC is the best, if not the only, source of knowledge for all things Montana. Anything you likely need to know is here and that can't be said for any other RV forum that I am aware of.
You can ask Keystone for wiring and plumbing diagrams but all you will get is the response "they don't exist". This has been tried numerous times over the years with no success. Do a Search on "wiring diagram" and experience the frustration others have felt.
__________________
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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11-22-2017, 11:42 AM
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#19
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Montana Fan
Join Date: Nov 2017
Location: Appling
Posts: 176
M.O.C. #20840
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Thanks again and Happy Thanksgiving!
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11-27-2017, 06:20 PM
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#20
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Montana Fan
Join Date: Feb 2014
Location: Chico
Posts: 269
M.O.C. #14041
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The items remaining on landing gear, slides are high current and connect to the battery because it is close to the items that have their own fuse large wire short run is important with DC.
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