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Old 07-13-2017, 07:43 PM   #1
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No power

Hoping I'm just an idiot, but I plugged into my TV and the running lights worked, but there was no power to the power jack or anything else inside. I did not bring my camper battery.

I could've swore last weekend I was able to at least use the power jack without plugging in the battery. Am I missing something?
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Old 07-13-2017, 09:08 PM   #2
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Welcome to the forum.
Doubtful that the jacks peak amperage can be accommodated by the length and light gauge wire of that vehicle/trailer harness. Not to mention you didn't have breakaway function of your trailer brakes which are powered by the house battery(s).
Sounds like a check list might be in your future.
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Old 07-13-2017, 10:15 PM   #3
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You said you didn't bring your camper battery. Is there some reason you removed your battery?
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Old 07-13-2017, 10:53 PM   #4
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Thanks Mtn, I am in WWashington as well, Puyallup. You?

I take the battery off because I leave it at a storage facility. I went back and attached the battery and everything worked fine. So something is up from the TV plug to the trailer. As I stated before, when plugged into the TV, only the outside "running/safety" lights work. Everything else is dead. Fuse at tongue jack and fuses in the fuse box are all good.
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Old 07-14-2017, 08:09 PM   #5
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Keep in mind that it's not legal to pull the trailer on a public road without the battery. You won't have functional break away brakes.
Was there more than 1 wire on each of the battery terminals? If there's more than 1 they could have been providing the connection from your truck supply cord to the circuits on the trailer. Connecting the positives together and negatives together would allow the power from the truck to reach those circuits without the battery in place.
However, I really doubt the truck charge line could supply enough current to run the jack, at least if it's trying to lift the camper. It might run down.
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Old 07-14-2017, 08:13 PM   #6
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I'm down in Vancouver, WA.

And yes, you need the battery to have functional brakes for the break away.
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Old 07-16-2017, 09:13 PM   #7
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Check a fuse panel made it be as simple as a fuse blown
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Old 07-16-2017, 10:47 PM   #8
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All the fuses I know of (except behind the radio) were fine. All blade fuses in the fuse panel and the one near the tongue that I assume is for the power jack.

Thanks for the info on the breakaway brakes. Had never even heard that.
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