I can't get to the back of mine right now, but most of my RV has White for Ground and Black for HOT (and a mix of Yellow actually). Most of the wires in the Adventurer are labeled with what they are for. I would just grab a cheap DVM and measure the power on the cable to verify +/-
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2003 Winnebago Adventurer 35U
2009 JK
2020 JT
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