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Old 10-14-2016, 05:24 PM   #1
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No 12 volt power on trailer

I have a 2016 26bhxl and when I plug it into the back of my 2013 Ford F-150 I dont have any power to my jack or anything. I have power going to the plug on my truck but when I plug the trailer into it I only have brakes and lights. I have checked all the fuses that I can see inside the converter box and on the power tongue jack and they are all good I checked the battery cables going to my box on the trailer and don't have any volts at all. What do I need to be looking for. Everything works when I am plugged into a landline though
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Old 10-14-2016, 05:33 PM   #2
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What you described is a dead battery or one that has not been charged for a long time.


With nothing hooked up to the trailer you need to see if you have 12 volts or more at the battery.



When you are plugged into the campground power you are getting power from your battery charger and not the batteries.


I still think you have a bad battery or you are missing something like a power switch that puts the battery into the system.


Good Luck
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Old 10-14-2016, 05:42 PM   #3
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If you have good voltage on the battery, check for a resettable breaker or a fuse in line near the tongue. Almost all new trailers have one - but they aren't always in the exact same spot. Should be under the tongue or just under the front of the trailer. Follow the positive back from the battery.
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Old 10-14-2016, 09:43 PM   #4
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I do not have a battery on it yet. But when I first got the trailer I was pulling it with a 05 Dodge Durango and the jack and everything worked without a battery in it and plugged into the Durango so could it be something else it worked while plugged into a Tahoe as well
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Old 10-14-2016, 10:06 PM   #5
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Search online for Ford towing connections. I believe you may have a fuse or something that needs to be done to get power to the charging line on the trailer connection. You may have power to everything but the charge line which would explain why you have lights but nothing else.

Regardless, get a battery on that thing so your breakaway switch will function.
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Old 10-14-2016, 10:48 PM   #6
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The fuse & relay on my 2013 F-150 that allow power to go to the trailer were not installed when I bought my truck. The fuse & relay were in a plastic bag in the door compartment. I don't recall which positions in the fuse box under the hood that the fuse & relay needed to be inserted but, check your owners manual for where they go and either in your glove box or door compartment for the for the fuse & relay. As someone else said "get a battery in that trailer so your breakaway switch is operating".
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Old 10-14-2016, 11:33 PM   #7
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Quote:
Originally Posted by jschmidt View Post
I do not have a battery on it yet.
Funny you left this important bit of information out in your original statement.


As you can see in this picture Terminal 4 from the truck should be 12 VDC + for charging.
Also if your Positive battery cable is touching the frame of the trailer (Ground) it would blow the fuse in the truck for that charging circuit.
Good luck.
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Old 10-15-2016, 12:25 AM   #8
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No 12 volt power on trailer

I have 12 volts at the plug on my truck when I checked it with my meter and the battery terminals are tapped so the won't short out if they hit the frame i plugged the trailer into my truck and checked for voltage where the battery cables are mounted underneath the front of the camper and have 0 volts with my meter when hooked up to positive and negative cables. I am waiting on the box to put a battery in to come in
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Old 10-15-2016, 12:46 AM   #9
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Quote:
Originally Posted by jschmidt View Post
I have 12 volts at the plug on my truck when I checked it with my meter and the battery terminals are tapped so the won't short out if they hit the frame i plugged the trailer into my truck and checked for voltage where the battery cables are mounted underneath the front of the camper and have 0 volts with my meter when hooked up to positive and negative cables. I am waiting on the box to put a battery in to come in


That told me a lot. Thanks
Now what I would do is trace the #4 wire from the trailer plug back into the trailer and see where it is attached.
At this point I would think it attaches to obviously a Positive DC point in the trailer.
My guesses this wire can be attached someplace where the Positive battery cable is located on the trailer.
Or
It goes all the way back to your DC battery circuit breaker panel inside.

That is the best I can tell you at the moment.
I will do some more research and see if I can find out where it goes by searching the web.

Good luck
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Old 10-15-2016, 12:59 AM   #10
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BY any chance do you have any switch that may look like this in the battery compartment area?
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