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Old 09-26-2014, 09:13 AM   #1
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Electric Jack Question

We have a 2013 Whitehawk. The electric jack worked fine when hitching up but now will only work when plugged into my truck or shore power. Battery shows 12.4 volts. Any ideas? Thanks.
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Old 09-26-2014, 09:27 AM   #2
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Check you connections, maybe loose at battery.
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Old 09-26-2014, 11:57 AM   #3
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From your description, I'm guessing the battery is not charged enough to operate it if it works while plugged into shore or your TV.
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Old 09-26-2014, 12:07 PM   #4
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X2 on a dead battery
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Old 09-26-2014, 01:47 PM   #5
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It's the in line fuse by the battery up front. I'd bet my dinner on it (and I like to eat .

The fuse up front does not isolate the battery, it's for the power tongue jack. It's likely you blew it traveling the jack up or down to its stop. I carry a baggie full of 30A fuses specifically for this reason.
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Old 09-26-2014, 02:08 PM   #6
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Quote:
Originally Posted by Camper_bob View Post
It's the in line fuse by the battery up front. I'd bet my dinner on it (and I like to eat .

The fuse up front does not isolate the battery, it's for the power tongue jack. It's likely you blew it traveling the jack up or down to its stop. I carry a baggie full of 30A fuses specifically for this reason.
The OP stated the jack works if connected to the TV or shore. If that due is blown then no power would work.
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Old 09-26-2014, 02:21 PM   #7
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Originally Posted by Big Sky View Post
The OP stated the jack works if connected to the TV or shore. If that due is blown then no power would work.

Untrue. I don't know how exactly it's wired, but my truck will run my jack with no battery. I did it and shorted out that fuse, but the jack kept right on chugging. I got home, unhooked the power from the truck and put my battery on and no glory, jack wouldn't move. I replaced that fuse and I was back in business.

Trust me, I've seen it on here numerous times, and experienced it myself, change out that fuse and you're back in business.
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Old 09-26-2014, 05:53 PM   #8
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Check the jack mounting bolts. They may be rusty or not tight. The jack gets ground (-) through the mounting bolts. I have had this problem more than once. But a dead battery or battery connection is the most probable with the symptoms you describe assuming the fuse is ok.
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Old 09-30-2014, 05:11 PM   #9
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Originally Posted by wwsmith111 View Post
Check the jack mounting bolts. They may be rusty or not tight. The jack gets ground (-) through the mounting bolts. I have had this problem more than once. But a dead battery or battery connection is the most probable with the symptoms you describe assuming the fuse is ok.
stupid question: How do you keep the bolts from rusting? I had a power tongue jack put on in July and the bolts are rusted already.
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Old 09-30-2014, 05:45 PM   #10
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Clean them up good and spray them with a coat of rustoleum paint on all exposed metal.
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