How to Wire a Goal Zero Solar Panel to a Zamp Connector

My Taxa TigerMoth adventure trailer has a so-called “Zamp” connection on the outside of it for wiring solar panels to charge the battery. I say “so-called” because actually the plug itself is a standard SAE connector, but the solar company Zamp wires the plug up with opposite polarity to the industry standard. Then they put a big sticker on the trailer or RV that says “Warning, only use Zamp solar panels with this plug!”. Well… that’s a load of crap if you have a soldering iron and ten minutes to spare! When I first got my trailer, the dealer (British …

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