It is the block heater for the engine. Plug it into the outlet, there is a swith on the all in one panel to switch it on and off.
Or leave it unpluged and head south before the snow flies.
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04 Horizon QD, 12 Ford Flex, Excalibar, Brakemaster, Winter Texan, RVin! since 1974
Norm, Donna & Tinker Kat(RIP) 01 Z3
Life is a Timed Event, you only get One Go Around!
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