Unknown switch

[Renkit69]

Does anyone know what this switch is for?

[Raven's Roost]

Mine turns on the docking lights on the cap of my 2022 381MS 5th wheel.
The lights point forward and toward the bed of the tow vehicle.
They probably run off the 12VDC system of the coach and may not need to be connected to the 7-way to work.

[Country Campers]

Does anyone know what this switch is for?

I think you have the correct answer above. Letting us know what model this is on will help us help you.

Brian