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Old 11-23-2015, 07:39 PM   #1
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Installed 6V Batteries - No DC Power

So my last camping trip, my coach batteries (12V) were dead, and wouldn't hold a charge. I tried to recharge them using a battery charger, but I believe one had a bad cell. I decided to purchase 2 Trojan T-105 6V batteries to replace them. I just got them installed, but I'm not getting any DC power to the motorhome. They are wired in series, just like they should be. I've included a picture, so maybe someone can take a look at it, and see if I did something wrong. Also, is there something else I should have done when changing from 12V to 6V batteries? I have a Forester 3171DS.
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Old 11-23-2015, 07:45 PM   #2
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no picture ! with one 12v battery you still have use of your rig , with one 6 v you don't
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Old 11-23-2015, 07:47 PM   #3
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Thanks. I figured out how to add the picture. It's now there.
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Old 11-23-2015, 07:57 PM   #4
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Do you have 12v at the batteries? If so, I would check your main breaker/fuse.
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Old 11-23-2015, 08:43 PM   #5
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Ok, figured out the problem. There's a converter reset button in the Battery Relay & Fuse Box by the steps. It must have tripped when the converter tried to come on with the bad batteries. Thanks.
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Old 11-23-2015, 09:43 PM   #6
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Installed 6V Batteries - No DC Power

I'm no expert and some of the wires in your photo are unclear where they go, but I would not say those are wired in series. Compare the diagram here in which the Neg of #1 is wired to the Pos of #2.

http://www.atbatt.com/rv-battery/how...-configuration

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Old 11-23-2015, 11:00 PM   #7
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I'm no expert and some of the wires in your photo are unclear where they go, but I would not say those are wired in series. Compare the diagram here in which the Neg of #1 is wired to the Pos of #2.
Look closely at the OP's photo again. You'll see one battery is turned 180 degrees from the other. (Gold sticker down on one/up on the other). Looks like neg to pos to me.
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Old 11-24-2015, 12:25 AM   #8
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Look closely at the OP's photo again. You'll see one battery is turned 180 degrees from the other. (Gold sticker down on one/up on the other). Looks like neg to pos to me.
Looks like you're right - it's almost a mirror image setup at least on the physical connectors. Good eyes!
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Old 11-24-2015, 05:04 PM   #9
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do 2 6 volt work better than 2 12 volts? thanks for help
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Old 11-24-2015, 07:24 PM   #10
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Six volt golf cart batteries are true DEEP Cycle; they are made only to run a DC motor and to be discharged and recharged often. They have thicker lead plates (they are heavy too) and store significantly more AMP hours. I installed a couple this year and dry camped alot. On 3-4 day trips I never had to run the generator. They do generally require a little maintenance as in checking the water level and adding distilled water as required to keep them full. I am very happy with mine.
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