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pbitschura's avatar
pbitschura
Explorer
Sep 10, 2023

exterior solar plug

Our 2020 travel trailer has an exterior jack labelled "solar". What do I need upstream of that plug to charge my house battery? I assume these jacks are standard so some "plug-and-play" connectors also exist. Thanks in advance.
  • 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.
  • 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.

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