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Open Roads Forum  >  Travel Trailers

 > 12 Volt problem

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jbrowning

Colorado Springs Co.

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Posted: 04/07/12 06:41pm Link  |  Print  |  Notify Moderator

Hello everyone, one my 1969 Coachmen trailer I have no 12 volt lights inside but I have my 12 volt porch light. These are all grouped together with the positive coming off of the battery into the trailer. Could there be a fuse or a breaker in the breaker box? Even though I thought the breaker box was only for the 110v system. And yes the battery is charged and the ground is good.

Thank you
Jim

* This post was edited 04/07/12 08:14pm by jbrowning *


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jasult

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Posted: 04/07/12 06:43pm Link  |  Print  |  Notify Moderator

Yes there has to be a 12 volt fuse or several 12 volt fuses someplace.
In my 5th wheel trailer I have a circuit breaker panel for 110 plus a fuse panel for 12 volt


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Gene&Ginny

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Posted: 04/07/12 06:55pm Link  |  Print  |  Notify Moderator

When I open the door on my converter box it has 120 volt breakers on the left and 12 volt fuses on the right. Many units are similar to that.


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Artum Snowbird

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Posted: 04/07/12 07:30pm Link  |  Print  |  Notify Moderator

You need to determine whether the power is getting to the light, and the return is not made, or whether the power is not getting there.

Get a long piece of wire and touch it to the outside of a light socket that the bulb is not working in, and to the negative on the battery. If the light lights, it's the neutral that is faulty... if it doesn't, it's the power.

If you have a meter, even better.

It's a simple test, but one many overlook.


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jbrowning

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Posted: 04/07/12 07:49pm Link  |  Print  |  Notify Moderator

Hi, here is what I have for a breaker box. Pretty basic I think. Probably because of how old it is. I don't see anywhere for fuses to be at.





Thanks
Jim

jbrowning

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Posted: 04/07/12 07:52pm Link  |  Print  |  Notify Moderator

Artum Snowbird wrote:

You need to determine whether the power is getting to the light, and the return is not made, or whether the power is not getting there.

Get a long piece of wire and touch it to the outside of a light socket that the bulb is not working in, and to the negative on the battery. If the light lights, it's the neutral that is faulty... if it doesn't, it's the power.

If you have a meter, even better.

It's a simple test, but one many overlook.


When I do this. Do I need to dig around to make contact with the wire that is leading into the light socket? Why I'm asking is because the outside of the light socket is plastic.

Thank you
Jim

garym114

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Posted: 04/07/12 08:02pm Link  |  Print  |  Notify Moderator

That is your 120v AC breaker box. You have a 12v DC fuse panel somewhere.
Try looking around your converter.


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garym114

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Posted: 04/07/12 08:04pm Link  |  Print  |  Notify Moderator

jbrowning wrote:

Artum Snowbird wrote:

You need to determine whether the power is getting to the light, and the return is not made, or whether the power is not getting there.

Get a long piece of wire and touch it to the outside of a light socket that the bulb is not working in, and to the negative on the battery. If the light lights, it's the neutral that is faulty... if it doesn't, it's the power.

If you have a meter, even better.

It's a simple test, but one many overlook.


When I do this. Do I need to dig around to make contact with the wire that is leading into the light socket? Why I'm asking is because the outside of the light socket is plastic.

Thank you
Jim


Find your 12v fuses first.

CavemanCharlie

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Posted: 04/07/12 08:26pm Link  |  Print  |  Notify Moderator

There must be 12 volt fuses somewhere.

But, I wonder, does a 1969 Trailer have a converter????

jbrowning

Colorado Springs Co.

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Posted: 04/07/12 08:31pm Link  |  Print  |  Notify Moderator

CavemanCharlie wrote:

There must be 12 volt fuses somewhere.

But, I wonder, does a 1969 Trailer have a converter????


I honstly don't think this trailer has a converter on it. Any idea of where I would start looking for these fuses at? I am guessing they would be inside the trailer somewhere? I know the fuse off of the battery is good. But there must be more fuses somewhere else?

Thanks
Jim

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