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Old 08-01-2016, 11:43 AM   #1
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Power tongue jack keeps blowing fuse

My power tongue jack keeps blowing fuses whether on battery, shore power or connecteed to my TV. It came with a 15 amp inline fuse but im not sure if that is the right size or not. I have a salem cruise lite 33 ft bunkhouse with the power package. any help would be great.
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Old 08-01-2016, 12:01 PM   #2
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I have a 30 amp fuse in for my jack, what jack brand and model # do you have? Here is manual for LCI jack. Recommend 30 amp fuse.

http://www.lci1.com/assets/content/s...ers_Manual.pdf
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Old 08-01-2016, 05:42 PM   #3
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Most all tongue jacks that I've seen recommend a 30 amp or larger fuse. As Fonzie said above, post the model and brand of the jack and we can help look it up if you need it.
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Old 08-02-2016, 09:24 PM   #4
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I got a 30 breaker cause mine kept blowing fuses.
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Old 08-03-2016, 02:06 PM   #5
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Power tongue jack keeps blowing fuse

Mine has a 30 amp fuse however if the jack goes to low or high and starts "clicking" it blows the fuse every time! Matter of fact when I did the walk thru with the dealer they had top replace the fuse.

I would be interested to know why. I have not contacted the dealership since it did it again to me.

I carry extra 30 amp fuses for now
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Old 08-03-2016, 03:22 PM   #6
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Quote:
Originally Posted by Lacrosse40 View Post
Mine has a 30 amp fuse however if the jack goes to low or high and starts "clicking" it blows the fuse every time! Matter of fact when I did the walk thru with the dealer they had top replace the fuse.

I would be interested to know why. I have not contacted the dealership since it did it again to me.

I carry extra 30 amp fuses for now
I stop mine the instant it clicks if I don't catch it before and no blown 30 amp fuse yet.

Seems to me that if fuse blows from normal use something is bad WRONG. 30 amp should be fine. If it blows, suspect in adequate wire size for the run, bad motor on jack OR WAY THE HELL OVERLOADED
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Old 08-03-2016, 03:30 PM   #7
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Mine came with 40 amp fuse from factory

On Thursday, was just heading out for a long weekend getaway. Stopped to top up with fuel and noticed my tailgate had come down (not shut properly I guess) right onto the electric tongue jack. This in turn, held the switch on, but, because of the size of the fuse, proceeded to burn out the jack motor before the fuse finally blew. Wires melted, really strong burning odor, etc. Luckily, was able to pick up a manual jack and therefore not ruin out weekend.

Why would the manufacturer put in a 40 amp fuse in a 30 amp trailer?
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Old 08-03-2016, 06:12 PM   #8
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The wire is to small and forme a resistance and that criate heat and the fuse blow
when the motor need a lot of courant to power the jack.
Replace the wire with biger gauge and the 30 amps will work OK.
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Old 08-04-2016, 10:09 AM   #9
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Quote:
Originally Posted by Lacrosse40 View Post
Mine has a 30 amp fuse however if the jack goes to low or high and starts "clicking" it blows the fuse every time! Matter of fact when I did the walk thru with the dealer they had top replace the fuse.

I would be interested to know why. I have not contacted the dealership since it did it again to me.

I carry extra 30 amp fuses for now
My jack was doing the same thing when I had to raise and lower it several times. I was told that when it hits the stop on retraction, it causes a surge in the amps that blows the fuse. I had pretty much been doing that. A suggestion was made to bring it slowly to the top then down about a half inch or so. Draw a line on the pole and then only retract it to that point which will keep it from hitting the stop.
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Old 08-04-2016, 11:22 AM   #10
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I had one do the same thing. It turned out to be an interal issue and I just replaced it. It would have been more expensive having them try to chase down the issue at their hourly rate. They are cheap. I found a 3500lb unit for $94 shipped on Amazon.
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