It is an unmarked plain black switch plate with three Black rockers (On a 2020 ACE 32.3).. I’ll take a picture but it is meaningless. Not outside lights or stairs or pump.. the left most switch is wired to lights to the right and the right most switch is wired to lights to the left under the microwave (go figure).. My first guess would have been stove hood but this coach does not have any outside vent on this side.. might be a spare switch for this function.. don’t know..
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