On my coach and maybe yours also, you can leave that cord connected to the outlet all the time IF you have a ON/OFF switch inside the coach like mine does. Mine is on the side of the bed box with an amber light. You can control the block heater from there. I use mine all the time when I am in cold weather. The engine starts right away in cold weather when I use it.
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2002 Gulf Stream Scenic Cruiser
2018 Buick Envision Essence
Neway Freightliner chassis
Aventa II Blue Ox
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