Originally Posted by EricW
What's s/a hi-low switch? Cl lamps? I'm trying to figure out how to turn on top white lights. Will be driving thru low visibility snow in a few hours
I don't know about "s/a hi-low", but "Cl lamps" would be your clearance lights (the small orange and red lights all around the top of the bus). Around here large vehicles legally need these turned on past dusk. Like headlights, they're worth having on at all times.