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Old 01-12-2014, 11:13 AM   #1
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Sunline Travel Trailer, electrical box??

I have a direct short in my travel trailer, and have been unable to locate the electrical box from the external cord, any help or idea's?
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Old 01-12-2014, 06:21 PM   #2
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There are lots of smarter folks on this board than me, but I'll give it a poke.
I believe the cord from the 120v incoming line connects directly to the fuse box located with the converter behind a removable panel. Mine is located in the hallway on the bathroom wall down at floor level.
All the best,
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Old 01-12-2014, 06:22 PM   #3
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Hi busymanran, Welcome to the forum.

If you tell us the model and year there may be someone here with that model that could give the exact location.

The only help I can offer is that the electrical box with the breakers is "usually" close inside to where the AC cord enters the trailer and almost always down near the floor.
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Old 01-13-2014, 08:54 AM   #4
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What's "shorted"? Is it the power coming into the camper from the 120 volt plug or the 12 volt stuff for the lights etc.?
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Old 04-09-2015, 04:41 PM   #5
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Great question. I have the same problem and I'm pretty sure if it's the 12V it's a fuse which should be in the converter. Hope this helps.
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Old 04-10-2015, 04:22 PM   #6
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The modern switching supplies have "line fuses" in the converter older ones usually had a 30 amp fuse near the battery. If the outlets don't work then it's a 120 volt problem if the lights don't work then is a 12 volt issue.
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Old 04-12-2015, 12:42 PM   #7
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Thanks mainah. Mine is a 1986 Satellite. I found a blown a blown 30amp in the converter box and replaced it. When I plug in to the 7 way on my truck all lights work. When I unplug, they stop. Going to try new battery next. Thanks again.
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Old 04-12-2015, 04:00 PM   #8
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Short

Hi and welcome to the forum. My guess would be the 12 volt battery. The lights will work fine when hooked up to another source like your truck.

Good luck!

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Old 04-12-2015, 05:47 PM   #9
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I sounds like a dead battery but do your lights work with the trailer plugged into a 120 source? I would check that before getting a new battery right away. If they work I would then go with the battery. If they do not work then it is a convertor problem.
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Old 04-13-2015, 05:45 AM   #10
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A 30 amp fuse is pretty hefty one sure fire way to take one out is to reverse the battery polarity. I would check the camper battery voltage first before I ran out and bought one.
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Old 04-13-2015, 07:24 AM   #11
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Roger that, thanks again.
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Old 04-13-2015, 02:11 PM   #12
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Happy Spring!!! We are new to this and this is our first Spring set-up. We pulled her out and plugged her in. The air conditioner works, the microwave works, the plug in the wall works. The fridge doesn't work and the lights don't work. It's a 2003 20 ft solairs. Are we missing something??? LoL We're hoping to travel in a couple of weeks. Thanks in advance for any help you can give us. Jackie
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Old 04-13-2015, 03:59 PM   #13
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Hi, the first thing that I'd check for the refrig is to see if there's power to the plug that it's plugged into. That plug is behind that white vent on the side. It's right behind the frig. Use a circuit tester or just plug a lamp into it to see if it's working. Just a starting spot for you. Good luck!

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Old 04-13-2015, 05:40 PM   #14
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Sounds like you have no 12 volt power. It could be as simple as a dead battery from over the winter the fridge needs 12 volt DC to work and the lights also. Some converters need a good battery to work so that would be the first thing to check. If it was discharged over the winter it is possible it froze that seldom does a battery much good.
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Old 04-13-2015, 07:18 PM   #15
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Thumbs up Thank you both!

Thanks for your quick replies! We will check tomorrow! It's raining cats and dogs and every so often it seems like ferrets, too!

Jackie
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Old 04-14-2015, 07:55 AM   #16
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A little tip for anyone doing anything electrical in your trailer.

A trailer rock and rolls and vibrates as it hits its share of bumps. Things happen, more so when it age.

Your primary thinking should be a process of elimination.

Before you plug things in and turn them on. Unplug everything in your trailer. Even turn off your fridge. Turn OFF all your circuit breakers. In effect what you have now is power going to the circuit breakers but no further. If your household circuit breaker still pops, then you have a short in your TT extension cord going to the outlet. Situation isolated.

Now turn on one circuit breaker (hopefully they're labeled ) and what ever it's feeding see if those items work ok. For wall outlets just use a simple 120VAC household lamp. Check each outlet.
If all is fine now turn on the next outlet and to the same and then continue until all is turn on and active.
If, during this procedure, something pops or fails you now know where your fault is. If things go properly and you do have a short then one of your TT circuit breakers will pop and you have identified that the problem is only on that circuit. Find out what it feeds and start searching. Again with everything off on that circuit you can start to "introduce" one new item at a time, until it pops. Bingo there's your problem.

You might want to have your circuit breaker checked by an electrician (unless you know your stuff). Loose wires internally can cause some precarious circumstances. Loose wires can cause an 'intermittent' and those slight surges can trip a breaker.

BTW if your circuit breakers are NOT labeled now would be a great opportunity to label them..

Keep in mind that there is a difference between having a "short" and having an "open" A short-circuit will pop circuit breakers almost instantly.

With an "open" you have zero power, nothing, nada. Like someone took the snips to your circuit.
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Old 04-14-2015, 02:27 PM   #17
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Talking Update on the dead battery

Hubby picked up a new battery today and now the camper is working like a top! Thank you both for the heads up on the battery situation and the fridge needing the 12 volt system to work.

Quick question of course LoL Has anyone put a solar system in a small camper like ours and, if so, could you give us some hints about what's involved and the cost? Benefit vs. problems encountered. I would really like to be totally off the grid some day.


Thank you Jerry, too! Great idea for spring start-up!
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