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Post by davidw on Oct 3, 2017 8:31:04 GMT -5
I have a 2018 Sportsmen LE. It has a brand new battery on it. When I unplug from AC, the 12 volt systems do not work. The fridge won't kick to gas and no lights will work. The battery appears to have a charge since the electric jack still operates and exterior running lights work when connected to the tow vehicle. Could the converter be bad or is there something else I can look at?
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Post by johnr on Oct 3, 2017 12:29:50 GMT -5
Do you have a battery disconnect switch somewhere that has the 12v system turned off except for a couple things? On my 2013, the switch is on the wall directly above the battery.
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Post by esox07 on Mar 31, 2018 12:08:25 GMT -5
I know this is old, but there is a 30amp fuse on the front of the trailer near the battery. It is a small rectangular thing bolted to the frame. There is two terminals on it that split the positive (Red) lead from the battery. Mine is red coming from the battery to the fuse and then grey going from the fuse to the trailer. If it is blown, you will get no 12V power. You can get it at any RV dealer or probably an auto parts store. Should cost just a couple dollars. I assume the OP already resolved this problem, but I hope it helps out someone else. I am sure if you drag your trailer to a dealer, they will quickly find and fix the problem, but they will also probably charge you $25 to $50 or even more if they think they can spin it. "Oh, yah, you had a major surge in the electrical system and we had to swap out the power control unit. Here is your bill for $175."   |
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Post by Chuck on Apr 1, 2018 13:38:32 GMT -5
Thank you for the heads up, thats what this form is all about, helping others  Safe travels an again thank you Chuck |
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Post by lynnmor on Apr 1, 2018 20:46:54 GMT -5
That is actually an auto reset circuit breaker available at any auto parts store. One trick is to mount them with the terminals down so that the can shaped housing is up and not collecting water inside. No, they are never mounted that way from the factory. link |
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Post by esox07 on Apr 1, 2018 21:02:27 GMT -5
Well, I bought mine from a dealer who used it as a rental for two summers. That is how it was when I got it.. Seems odd that it is mounted in the open like that so the two terminals are close and exposed. I would think safety chains wind up shorting it out quite often as well as any number of other activities going on in that area. I will probably consider moving mine. I did have to replace it a couple years back. I can't remember if I did anything to pop it or if it just died.
Since you say it is an "Auto Reset circuit breaker", I assume it isn't actually a one time use fuse. I thought the parts guy that I bought it from said that it was a "Slow Blow" fuse. I don't know. I just know that my battery power was good going into it and dead coming out so I took it in and asked the guy if he knew what it was and if he had a replacement. He said sure and handed me that one and I thought that is when he said it was a 30amp slow blow fuse.
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Post by lynnmor on Apr 2, 2018 9:24:26 GMT -5
It is a circuit breaker, not a fuse. There is a type that you manually reset, but that is rare. I mentioned the water issue because they are not sealed well and can corrode inside. Yes, it would be better if you could position it inside a plastic box or some protected area. It should not be inside the trailer or propane cover because a short between the battery and the circuit breaker is not protected and has the possibility of causing a fire.
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Post by esox07 on Apr 2, 2018 10:07:55 GMT -5
I realize now that it isn't truly a fuse. I guess it seemed reasonable to me that it was a fuse because the guy called it a fuse and the fact that it was "blown" or non-working when I had to replace it. Probably because it "corroded" as you say they are prone to.
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