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Open Roads Forum  >  Travel Trailers

 > 12 volt fuse box

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jbrowning

Colorado Springs Co.

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Posted: 04/08/12 09:14am Link  |  Print  |  Notify Moderator

Hi Roy, yes the panel under the fridge is the furnace for the trailer.
No I don't have any panels like you are showing in those pictures. ha ha

Jim

RoyB

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Posted: 04/08/12 09:17am Link  |  Print  |  Notify Moderator

Your fuses could look like any one of these photos... Mounted out in the open, or inside a metal box, or just hanging there.






My Posts are IMHO based on my experiences - PM me
Roy and Carolyn
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RoyB

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Posted: 04/08/12 09:20am Link  |  Print  |  Notify Moderator

Jim - No better way to spend a Sunday with no NASCAR going haha... I kinda want to get my a vintage RV trailer now haha...

Good luck on running it down... If all fails just pick up some wiremold at Lowes and run some new lights haha...

RoyB

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Posted: 04/08/12 09:26am Link  |  Print  |  Notify Moderator

Jim - What caught my eye on the filter looking things under the fridge is one is a different color. The one closest to the floor appears to be black color. Maybe one is the furnace filter and the black one close to the floor is a fuse panel ??? Perfect spot for an converter if your tailer had one...

westend

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Posted: 04/08/12 10:44am Link  |  Print  |  Notify Moderator

If you have a rear storage area aceessable from the outside, check in there, also. My '71 had the converter in the rear because that area was vented.


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U.P. BLDR

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Posted: 04/08/12 11:08am Link  |  Print  |  Notify Moderator

The fuses should be close to the power source - battery, converter. I also suspect they are under one of the front seats.


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jbrowning

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Posted: 04/08/12 11:37am Link  |  Print  |  Notify Moderator

Here are the pictures I have taken this morning and still have not found any fuses.




This is what I see when I take those two vent covers off Roy.













These last few show where the wires come into my trailer then attach to the wires in the trailer. The three light fixtures are the ones that run off of 12 volt.

RoyB

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Posted: 04/08/12 11:57am Link  |  Print  |  Notify Moderator

Sure is heck trying to locate a fused item. haha...

How are the wires connected to the battery...

Any possiblity the DC wires feeding the DC lights circuit are connected to a BUSMAN Auto reset type CIRCUIT BREAKET right at the battery terminal that looks something like this. Some of these have a RESET button on them (little red or black plastic thing to push on). If you have one of these installed, they do go bad. (burned contacts etc) real inexpensive to replace... They will have a number stamped on them just enter that number in AMAZON and order one.



Was you looking in the bench seat area where all those wires were coming in from the outside. I noticed several had the twist type connectors on them. You might double check those and make sure they are making contact with all the wires being twisted together. Might be a loose connection there.. Its always good to see a BLACK wire twisted to a RED wire haha... Who knows what that is all about... I'm not saying it is wrong but in the trailer world wiring scheme the BLACK is usually HOT +12VDC and it associated negative wire would be WHITE. In the automotive Battery World the RED wire is always HOT +12VDC and its associated negative wire would be BLACK.

After doing all of this running down wires, looking for fuses, or whatevers do you know if the 12VDC BULBS are still good. Wouldnt that be something if we have been doing all of this tracking down and the prob is blown out automotive bulbs haha...

I would be hand tracing some of those wires and make sure they come to this point you are telling us about. You need to use a multimeter to look for 12VDC voltage at the twist nut areas in that one picture coming strainght from the battery. Got too many unknowns going on here which makes all of us keep poking in the dark haha... It fun to do tho haha...

* This post was edited 04/08/12 12:07pm by RoyB *

jbrowning

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Posted: 04/08/12 12:06pm Link  |  Print  |  Notify Moderator

Hello Roy, I pretty much ruled out the problem coming from the battery. Because I can connect my 12 volt porch light to the wire coming off that battery and that light works. When I hooked these all up I had the wire coming off of the 3 12 volt lights and the 12 volt porch light twisted around the power coming into the trailer (big red wire). Last night I thought well maybe there was a problem with that. So I disconnected the porch light and only had the 3 lights hooked up but still none of them worked. But when I only had the porch light attached, it did work. I hope this kind of makes sense why I don't think the problem is with the battery or the fuse that is right off of the battery.

Yes all of the wires under the bench have twist connections on them.

Thanks
Jim

jbrowning

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Posted: 04/08/12 12:09pm Link  |  Print  |  Notify Moderator

Ok so I have also created a little you tube video showing the wiring on the trailer. Hopefully this will help show what I am seeing along with my dialog.

http://www.youtube.com/watch?v=D9FtxPb5EqI

Thank you
Jim

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