12 Volt - Fiberglass RV


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Old 07-01-2003, 11:28 PM   #1
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12 Volt

I realize this is probably something everyone knows but I don't. We have figured out what battery to buy and where to put it (thanks to everyone here) but how do you hook up things to it. The only thing we have right now are lights but when we have more things to run, how are they all connected?
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Old 07-02-2003, 08:02 AM   #2
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I'll just jump right in here.
breaker box. somewhere under the sink. or that's where mine was. when you plug in, hunt the humming noise. :lol mine always hums when plugged. I use to turn on the 110 coffee pot to see if the plug was working, but switched to the hum. faster. :) follow the wires?
Now if yours doesn't have an converter, then it won't hum. or I don't think it will. So :conf Now, what was the question?
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Old 07-02-2003, 08:04 AM   #3
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Thanks for asking this question Barbara. I need to know this too.
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Old 07-02-2003, 09:52 AM   #4
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Battery Size and Location?

When it comes time to replace the battery that came with my Scamp I will find the largest battery that will fit in the space behind the propane bottles.

The factory installed a group 24 Marine battery. I don't believe that it is the best battery for the application - however a regular car battery would be worse.

At replacement time I'll be looking for a deep-cycle battery, or maybe a couple of golf-car batteries to replace the current battery.

-- Dan Meyer
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Old 07-02-2003, 10:17 AM   #5
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Start in the beginning

do you understand this much <img src=http://www.fiberglassrv.com/board/uploads/3f02f73926a12basic dc.JPG/>
maybe a bit to basic but a good place to start
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Old 07-02-2003, 10:22 AM   #6
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Barbara -

Don't give up on us yet. We have several here who have a very good understanding of the 12v system. They'll explain it.

I do know that sometimes (like in my case) they are wired to the converter. These lines are then protected by fuses. Each fuse has a designated amount (i.e., 15 amps) which allows you to hook up a certain number of lines depending on their amp usuage. Like, I think the lights are about 1.5 amps each.

I think that this is really something a lot of us should have a better understanding of. Glad you asked it.

Another thing that I know is important is the size of the wire that one uses. You don't want to have wire that is too small.

Okay, all you 12v experts......:wave
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Old 07-02-2003, 10:30 PM   #7
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12 Volt

I don't think I explained myself very well. What I want to know are the mechanics. eg. The battery is on the tongue the 12 volt lights have wires running -- to what and attaching to the battery how? Also 12 volt appliances with the cigarette plug end are used where and how. Hope this explains what I mean better but I'm not sure.:conf :shg
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Old 07-03-2003, 07:33 AM   #8
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Ok I think maybe i know what you are looking for

your tailer had no battery to start with.
and your trailer looked somewthing like this.

<img src=http://www.fiberglassrv.com/board/uploads/3f04237d044c0aNoBattery.jpg/>

And you want to add a battery to the tounge? And want to know how to hook up the wires to the battery ?
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Old 07-03-2003, 07:45 AM   #9
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so you end up with

so you end up with a battery sorta like this?

<img src=http://www.fiberglassrv.com/board/uploads/3f04252f6d338DcHookup.jpg/>

Do you want to permently mount batery or Have it there only when you use it?
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Old 07-03-2003, 07:49 AM   #10
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12 Volt

Thanks Al that is exactly what I meant. What do you need for this hookup?
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Old 07-03-2003, 08:18 AM   #11
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which way do you want to go?

A permanent battery or a Removable Battery. The removeable one will be much cheaper.
What does the plug on the trailer look like .
is it a flat plug with 4 pins
a big or small round 7 pin
is the wire comeing from the trailer 7 wires or 4 ?
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Old 07-03-2003, 08:44 AM   #12
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12 Volt

Hi Al

Removable sounds good. The plug on the trailer is a 4 pin flat one.
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Old 07-03-2003, 08:52 AM   #13
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do you have any dc in the trailer now?

if you do follow the 4 pin wire towards the trailer. do you come acroos a part where the wire apears to get thicker and maybe clovered with layers of black electrical tape? iam trying to fiqure if your boler is wirer for dc and some one took off the 7 pin plug and then put a 4 pin plug in its place.
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Old 07-03-2003, 08:59 AM   #14
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12 Volt

Guilty. Ran new wires but ran 2 separately from the 12 volt lights. Is it fixable?
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