Are you able to "plug in" the TT where it is located? Using a cheater cord/adapter maybe?
FYI, the converter (charger) is typically located inside the lower part of the breaker panel of the TT. You may have an upgraded converter, located elsewhere or you may even have an inverter and IT may have a charger built in (in that case the converter should have been disabled).
Only you know what set-up you have.
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