Bobbo
Wherever I park
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Joined: 09/16/2007
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On my Airstream, that solar connector is live with 12v, but it is wired "backward" from what you normally expect. The covered prong is the battery ground, and the bare prong is the battery hot. It actually makes sense when you think about the fact that the solar panel is considered the voltage source, so IT'S hot plug is the covered prong, and IT'S bare prong is the ground.
You just have to remember to use a polarity changer if you want to use that solar outlet to power anything 12v like a macerator pump or air compressor.
![[image]](https://m.media-amazon.com/images/I/71WlCQFkGqL._AC_SL1365_.jpg)
Bobbo and Lin
2017 F-150 XLT 4x4 SuperCab w/Max Tow Package 3.5l EcoBoost V6
2017 Airstream Flying Cloud 23FB
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LouLawrence
Traveling the US fulltime since 2000.
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Joined: 03/16/2021
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If you don't have solar and you have an external plug labeled "Solar" that's likely a connection for mobile, ground mounted solar panels. I would try to trace down where the wires go after they enter the sidewall and see if you can find any kind of logical connections.
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ktmrfs
Portland, Oregon
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Joined: 06/22/2005
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Be VERY VERY VERY carefull about the polarity of the plug!!!!!!!
In many cases it is REVERSED from the connection scheme on a battery tender charger!!! or many such extension cables.
It may seem like a stupid design, but it really isn't when one looks at which pin is hot and which is ground on a portable panel with the connector scheme.
2011 Keystone Outback 295RE
2004 14' bikehauler with full living quarters
2015.5 Denali 4x4 CC/SB Duramax/Allison
2004.5 Silverado 4x4 CC/SB Duramax/Allison passed on to our Son!
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