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Old 10-26-2015, 01:13 PM   #1
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What is this plug?

I just noticed I have this on the very front of the main frame, just below the A-frame and below the front cap. It is some type of 12V plug, but I haven't seen it before. Can someone tell me what it would be used for?



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Old 10-26-2015, 01:32 PM   #2
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Looks like some kind of heater plug. Like a block heater for a truck. But they're 3 wire. Where do the wires go?
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Old 10-26-2015, 01:34 PM   #3
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Common 12VDC connector. Picture a flat 4 pin trailer connector with just the first 2 different gender pins.


Either solar or maintainer charger input or 12VDC accessory output. Where do the wires go?
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Old 10-26-2015, 01:45 PM   #4
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Thanks for the responses.

And yes, Mike, I do realize it looks like 2 prongs from a flat 4-way, but I was wondering what would be a common use for a plug like this? There must be some pretty common use for it for Jayco to take the time to drill a hole in the frame and install it...
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Old 10-26-2015, 01:48 PM   #5
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Quote:
Originally Posted by jasoncw View Post
Thanks for the responses.

And yes, Mike, I do realize it looks like 2 prongs from a flat 4-way, but I was wondering what would be a common use for a plug like this? There must be some pretty common use for it for Jayco to take the time to drill a hole in the frame and install it...
Can you chase the wires back?

Does black go to a local ground?

How about the red lead? Battery? Fuse panel?

Once you see what it connects to inside your RV, the guessing will be a bit less wild...
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Old 10-26-2015, 02:04 PM   #6
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Trailer is back at the dealer for warranty work, but I am pretty sure they just went to a terminal block, where the battery is connected. But I could be mistaken...
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Old 10-26-2015, 02:20 PM   #7
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My considered opinion is that it is for a solar charging system.


A solar panel connected to a charge controller. To be used when boondocking without a genset.


There are plenty of folk around here more knowledgeable about such things than I am. Re-pose the question in the Techie or Boondocking areas. With the suggestion that it might be solar oriented. You'll get plenty of info!
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Old 10-26-2015, 02:33 PM   #8
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power stab jacks?
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Old 10-26-2015, 03:31 PM   #9
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My understanding solar prep, is on the roof if you have that option.

Personally, I would do two things, if you have a volt meter, check to see if it has power to it.

In reality, I would call Jayco, and ask for a wire schematic, and ask the person what it is for. When you do find out, please let us all know.

I can think of all kinds of things you could do with a 12 volt power point; outside lighting, plug adaptor to run a 12V air compressor,
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Old 10-26-2015, 05:19 PM   #10
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Looks exactly like a plug-in for a 12V charger/maintainer to me, which would make sense if it was intended for a solar unit.
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