My 2014 popup has the factory incandescent inside lights, like many I'm thinking the LED upgrade. Thing is, I want my cake and eat it too, in other words besides using less 12v power and heat, I'd also like a low/medium/high brightness ability. There are many times, early in the morning or late night, when having low/medium would be ideal; kids going to sleep or early and I need to see something w/o blasting everyone with LIGHT! So, who here has scoop on easily swap LED fixtures with low/medium/high brightness ability? I did a search before posting this and saw so many on LED lighting, but did not find multi-level lighting.