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 > Using the jack without the battery

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swimmer_spe

Sudbury, Ontario, Canada

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Posted: 11/18/19 06:52pm Link  |  Quote  |  Print  |  Notify Moderator

I removed my battery to get my RV ready for winter. I go to use the jack and it won't work. It didn't matter whether it was hooked up to AC power or plugged into my truck, it would not work. Is that normal?

DrewE

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Posted: 11/18/19 06:58pm Link  |  Quote  |  Print  |  Notify Moderator

It depends on the details of how its wired. If it connects directly to the battery (perhaps sharing the connection for the breakaway brake system), then it makes perfect sense. I suspect it is normal for your trailer.

Actually, that seems like a good setup to me, at least in general concept, as it helps to prevent someone from pulling the trailer without a battery for the breakaway brakes.





swimmer_spe

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Posted: 11/18/19 06:59pm Link  |  Quote  |  Print  |  Notify Moderator

DrewE wrote:

It depends on the details of how its wired. If it connects directly to the battery (perhaps sharing the connection for the breakaway brake system), then it makes perfect sense. I suspect it is normal for your trailer.

Actually, that seems like a good setup to me, at least in general concept, as it helps to prevent someone from pulling the trailer without a battery for the breakaway brakes.


Unless you have a 3/4" socket. That's how I moved it.

RoyF

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Posted: 11/18/19 07:04pm Link  |  Quote  |  Print  |  Notify Moderator

Are you talking about front jacks in a fifth wheel? leveling jacks? Converters vary in their power output (30 amp., 55 amp., etc.) and that may not be enough to power a jack motor.

agesilaus

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Posted: 11/18/19 07:21pm Link  |  Quote  |  Print  |  Notify Moderator

Mine is wired directly to the battery. But I believe you can crank it by hand. No fun I suspect.


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Yosemite Sam1

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Posted: 11/18/19 07:47pm Link  |  Quote  |  Print  |  Notify Moderator

It's provided with a manual crank.

It's wired directly to the battery.

wowens79

Georgia

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Posted: 11/18/19 08:07pm Link  |  Quote  |  Print  |  Notify Moderator

A socket and cordless drill will run it up and down.


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mooky stinks

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Posted: 11/18/19 11:23pm Link  |  Quote  |  Print  |  Notify Moderator

swimmer_spe wrote:

I removed my battery to get my RV ready for winter. I go to use the jack and it won't work. It didn't matter whether it was hooked up to AC power or plugged into my truck, it would not work. Is that normal?


Yes. Mine is the same way. Same for the slides.

BFL13

Victoria, BC

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Posted: 11/19/19 08:11am Link  |  Quote  |  Print  |  Notify Moderator

With the battery not there, collect all the wire terminals that go on its positive post and join them with vise grips or a nut and bolt.

Now the converter will have a path to the jacks. This assumes the jacks are on a different wire that goes to the positive post. Assumes the jacks and the converter each has a negative path to the frame.


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DrewE

Vermont

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Posted: 11/19/19 08:14am Link  |  Quote  |  Print  |  Notify Moderator

BFL13 wrote:

With the battery not there, collect all the wire terminals that go on its positive post and join them with vise grips or a nut and bolt.

Now the converter will have a path to the jacks. This assumes the jacks are on a different wire that goes to the positive post. Assumes the jacks and the converter each has a negative path to the frame.


Do take care if you do this that the vice grips or nut and bolt don't short out to the chassis of the RV!

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