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03-07-2005, 12:27 PM
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#1
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New Member
Join Date: Aug 2004
Location: El Cajon
Posts: 9
M.O.C. #1974
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Batteries & ON - OFF switch
2004, 3295RK. Got rid of the one 12v battery, went to 2-6v in series & installed a marine grade "ON/OFF" switch. Without the on/off switch the batteries would drain out in two wks of storage.
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03-07-2005, 02:29 PM
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#2
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Montana Master
Join Date: Sep 2004
Location: Leona
Posts: 6,382
M.O.C. #2059
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I am seriously considering the twin six volt system. Did you put in a new vented box? Are there different grades of "Golfcart" batteries? If you are willing, approximate cost of conversion? I have seen several cut-off switches, from rotation to bar disconnect at boat shops. What type did you use? Your posting and help is appreciated.
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03-09-2005, 03:14 AM
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#3
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Montana Master
Join Date: May 2004
Location: Napanee
Posts: 3,440
M.O.C. #1493
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Stiles: I use the same type of cut-off switch that I use on the sailboat. It has positions for Battery 1, Battery 2, Both and Off. Is is about 3" dia. and an orangy red in colour. It is sold at West Marine.
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03-09-2005, 04:20 AM
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#4
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Montana Fan
Join Date: Feb 2005
Location: Moultonborough
Posts: 449
M.O.C. #3268
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Question???
We have master switches on our fire apparatus, we hook up shore power to a seperate charging system to keep the batteries up.
My understanding on the 5th wheel, is that the 110 power, runs the 110 volt items and converts down to 12 volt that runs your 12 volt lights and acc. and charges your batteries.
So, if you are turning off your batteries with a master switch, how are you charging them when hooked up to shore power????
Just a question
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03-09-2005, 04:55 AM
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#5
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Montana Master
Join Date: Jul 2003
Location: Clearwater
Posts: 10,917
M.O.C. #420
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First and foremost, Sark and Carlson welcome to the MOC.
They are using the battery disconnect switch while the rig is in storage and not connected to any shore power. This prevents the batteries from being discharged by such things as the gas detector etc.
As far as the type switch the simple bar or knife switch is all that is required. The type that Bill and Ann describe are good but far more expensive than the simple knife switch.
They are available at most auto parts stores or Camping World.
Battery Safety Switch
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03-09-2005, 05:02 AM
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#6
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Montana Master
Join Date: Apr 2004
Location: Prescott
Posts: 505
M.O.C. #1344
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We also have the 2 x 6V golf cart batteries in series. I have the same marine switch as well. With our old TT we had a key-type switch which disconnected the positive side of the batteries and completely shut off everything for storage. With the Monty, the marine switch was installed so that the CO and propane detectors still work. Our dealer says that they are required to do it that way for safety reasons. He says that the drain from the detectors is minimal, I know better from the previous rig. Luckily, we've been able to go out with Monty every 3-4 weeks so there's not enough lapsed time to drain the batteries. Also, we're lucky enough to have a power source in the yard we store the rig and they don't mind our hooking up to keep the batteries charged.
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03-09-2005, 05:47 AM
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#7
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Montana Fan
Join Date: Jan 2004
Location: Rigby
Posts: 117
M.O.C. #883
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Bill, do your 6v-golf chart type batteries have the same "foot print" as the originals? Did you have to get new bat. boxes? What type of maintenance is required?
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03-10-2005, 05:43 AM
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#8
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Montana Master
Join Date: Apr 2004
Location: Prescott
Posts: 505
M.O.C. #1344
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John,
Yes, the 6V have the same footprint, but are a little taller. They'll fit in a std. battery box. Maintenance is the same as an equivalent type in 12V, depends on whether they're sealed or not. The twin 6s last so much longer than the 12s do.
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03-11-2005, 04:01 PM
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#9
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Established Member
Join Date: Jan 2004
Location: Oshtemo
Posts: 34
M.O.C. #806
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Hi Guys!
Just a quick note on the battery switchs, if you use the knife or blade style switchs remember to ALWAYS VENTILATE THE BATTERY COMPARTMENT BEFORE OPENING OR CLOSING THE SWITCH! That is unless you like wearing battery acid! I have worked with and sold batteries for most of my adult life and have blown up 3 or 4 along the way. Lead acid batteries give off Hydrogen gas and the knife style switchs are right on top of the battery and prone to arc when used so the combination is similar to lighting a match in a small room full of gasoline fumes with the added fun of flying battery case pieces and acid!
J C Whitney lists "Master Cutoff Switchs" on the same page as the knife style for about the same price, these are enclosed and more importantly can be mounted away from the battery.
I have been thinking about a switch also and will go with the Master Cutoff style probably in the basement compartment and sealed where the cables come through the compartment wall! Please be careful out there. I hate funerals! Terry
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