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Old 06-26-2013, 11:38 AM   #1
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power tongue jack

When we came home from Florida we left the refrigerator running on propane saince we had food in there so the battery was on. By the time I got the camper back to the storage unit, I ran out of battery power while trying to disconnect the camper from my truck. I was lucky and kept playing with it and waiting and finally got it up enough for the ball to drop out. Whew.

So I have been thinking and wanted to get some opinions. I was thinking of getting a 4 way or 7 way plug with wire on it and using 2 wires to add clips to it so if this happens again I can plug it into my truck and power the tongue jack from there. Good idea or bad? I figure I may have to turn my headlights on if I did it with a 4 way.
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Old 06-26-2013, 11:43 AM   #2
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I'm not sure I'm following or understanding this correct.....which is nothing new for me. LOL

Are you saying that you DON'T have any power going to your tongue jack from your tow vehicle, when plugged into your tow vehicle............or did you unhook the trailer connector from your tow vehicle before trying to raise/lower your tongue jack?
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Old 06-26-2013, 11:48 AM   #3
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Most tongue jacks will be powered if you are hooked to the tow vehicle.
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Old 06-26-2013, 11:50 AM   #4
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My power tongue jack is connected to the 12v battery on my camper. It is not getting any power from my tow vehicle. Should my TV be charging my camper battery while driving down the road?
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Old 06-26-2013, 11:59 AM   #5
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Quote:
Originally Posted by grege View Post
My power tongue jack is connected to the 12v battery on my camper. It is not getting any power from my tow vehicle. Should my TV be charging my camper battery while driving down the road?
Should if the tv is wired for it.
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Old 06-26-2013, 12:00 PM   #6
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Yes, your TV should be charging the campers battery with the alternator. You need to check why you don't have power on your 7 pin plug...not sure which pin it is...the pin out should be marked on the plug.

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Old 06-26-2013, 12:07 PM   #7
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Quote:
Originally Posted by Dave_Monica View Post
Yes, your TV should be charging the campers battery with the alternator. You need to check why you don't have power on your 7 pin plug...not sure which pin it is...the pin out should be marked on the plug.

Dave
Dave, maybe this diagram will help him. As I stated previously, I was wondering why your battery was discharged if it had been hooked to your tow vehicle. You could possibly have power from your tow vehicle, but have a bad battery on the trailer that won't take a charge properly. You will want to check both aspects out in your troubleshooting:

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Old 06-26-2013, 12:22 PM   #8
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I took it home and charged it so I think the battery is fine. I did have to install a relay in my truck. Maybe I put it in the wrong place. I thought the camper should be charging from the truck but wasn't sure. Thanks for clearing this up. I will figure out what is going on and get it fixed. Then I won't need the jumper.
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Old 06-26-2013, 12:36 PM   #9
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You may have to turn the key on in the truck to enable the power to the trailer as well.
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Old 06-26-2013, 01:13 PM   #10
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I just checked it with a meter and definitely no power to charge. I looked in the fuse panel and no fuse in that slot. I will get oen from Auto Zone on the way home.

Thanks all
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