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11-24-2016, 04:03 PM
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#1
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New Member
Join Date: Mar 2013
Location: Missoula
Posts: 6
M.O.C. #13311
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Battery hookup
My husband used the batteries from our Montana fifth wheel for our slide-on camper during hunting season. Unfortunately, he didn't label where he took the wires off. Now we can't remember which wires go where to hook it back up to our Montana. We have a 2014 model 3402 with 2 batteries. Of course, the owners manual doesn't have a picture of where the wires go.
I have a picture of the batteries and wires, but when I click on insert image in Format: above, it just puts img in the text and I can't insert a photo.
There is one red wire that we think goes from one battery to the other. There are two white wires with blue plastic near the end. There are two wires with yellow plastic near the end.
Our dealer is closed for the entire Thanksgiving weekend, and we're heading South tomorrow. We'd appreciate any help someone can give us.
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11-24-2016, 04:37 PM
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#2
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Montana Fan
Join Date: Feb 2015
Location: Republic
Posts: 257
M.O.C. #16103
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Hi Mtidsew,
I'm guessing you have two 12 volt batteries (verify by looking on the battery) so they need to be connected in "parallel". This means that the "positive"(+) post of one battery goes to the "positive"(+) post of the other battery with a heavy jumper. The "negative"(-) posts of the batteries also are to be connected together in they same way.
If these are 6v batteries, they need to be connected in "series", which means only one jumper is used, from the "positive" of one battery to the "negative" of the other.
Once the batteries are connected to each other as above, look for a large (probably white) wire that is bolted/screwed DIRECTLY to the trailer frame. This is the main ground wire and gets connected to the "negative" battery post. There may also be another large white wire that goes into a wiring harness, this wire gets connected to the "negative" battery post as well.
There should also be one (maybe two or more) large (probably black) wire that is connected to something other than the trailer frame. This is the main 12v supply wire that gets connected to the "positive" battery post.
I hope this helps. I'm sure others will offer info as well.
Dave
__________________
Dave, Barb, and Paisley the Wonder Wiemeraner
Was - 2015 3160RL Legacy Edition & 2014 F350 6.7l PSD SRW Platinum
Now - SOB
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11-25-2016, 03:37 AM
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#3
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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Dave nailed it! If you don't have a residential frig/invertor setup, worst case you could probably get by via hooking up one battery only.. until you can talk to your dealer.
__________________
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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11-25-2016, 04:17 AM
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#4
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,155
M.O.C. #6433
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Here is a web site with wiring diagrams to show how to wire two 12v batteries in parallel or two 6v batteries in series. Scroll down to the diagrams.
__________________
Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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11-25-2016, 12:02 PM
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#5
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Montana Master
Join Date: Jun 2010
Location: Colorado Springs
Posts: 3,335
M.O.C. #10496
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Absolutely correct Dave.
Good post!
Quote:
quote:Originally posted by Starmaster
Hi Mtidsew,
I'm guessing you have two 12 volt batteries (verify by looking on the battery) so they need to be connected in "parallel". This means that the "positive"(+) post of one battery goes to the "positive"(+) post of the other battery with a heavy jumper. The "negative"(-) posts of the batteries also are to be connected together in they same way.
If these are 6v batteries, they need to be connected in "series", which means only one jumper is used, from the "positive" of one battery to the "negative" of the other.
Once the batteries are connected to each other as above, look for a large (probably white) wire that is bolted/screwed DIRECTLY to the trailer frame. This is the main ground wire and gets connected to the "negative" battery post. There may also be another large white wire that goes into a wiring harness, this wire gets connected to the "negative" battery post as well.
There should also be one (maybe two or more) large (probably black) wire that is connected to something other than the trailer frame. This is the main 12v supply wire that gets connected to the "positive" battery post.
I hope this helps. I'm sure others will offer info as well.
Dave
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__________________
2010 3150RL
LevelUp, Dual 6 volt batteries, Progressive Industries EMS HW50C, Honda EU2000i Generator, Bridgestone Duravis R250 tires, Torklift Glowstep Revolution Stairs, LED Tail lights
2015 RAM 3500 Laramie SRW LB CC Cummins 6.7L Aisin Trans B&W RVK3600
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11-25-2016, 12:07 PM
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#6
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Montana Master
Join Date: Jun 2010
Location: Colorado Springs
Posts: 3,335
M.O.C. #10496
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Good information!
Quote:
quote:Originally posted by BB_TX
Here is a web site with wiring diagrams to show how to wire two 12v batteries in parallel or two 6v batteries in series. Scroll down to the diagrams.
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__________________
2010 3150RL
LevelUp, Dual 6 volt batteries, Progressive Industries EMS HW50C, Honda EU2000i Generator, Bridgestone Duravis R250 tires, Torklift Glowstep Revolution Stairs, LED Tail lights
2015 RAM 3500 Laramie SRW LB CC Cummins 6.7L Aisin Trans B&W RVK3600
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11-25-2016, 03:29 PM
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#7
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New Member
Join Date: Mar 2013
Location: Missoula
Posts: 6
M.O.C. #13311
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Thanks so much for your suggestions and comments. We got it put together and now have power! Of course, there's a rule that we had to work on it in an unlighted parking lot at 32 degrees. But, it worked, so we're happy!
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10-27-2019, 05:05 PM
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#8
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New Member
Join Date: Oct 2019
Location: Columbiana
Posts: 1
M.O.C. #25200
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Hooked up 2 new batteries and went to my touch screen and have a blank screen?
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10-27-2019, 05:51 PM
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#9
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Montana Master
Join Date: May 2019
Location: Alton
Posts: 2,677
M.O.C. #24086
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Quote:
Originally Posted by Bruce Mac
Hooked up 2 new batteries and went to my touch screen and have a blank screen?
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Try this link. Pretty good tutorial.
https://www.batterystuff.com/kb/arti...-tutorial.html
__________________
Daryl and Marianne,
2019 3130re 20th Anniversary Edition
2016 F350 Lariat
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