EDIT - To see how I ended up modding my AC controls and clock check out this thread -
I took apart my AC controls today to see if I could figure out a way to mod the lighting. I am going to try to make some clear plexi knob inserts, to replace the orange ones, and then tent them blue with something. That combined with swapping out the two button LEDs should at least help the AC flow with my gauge LEDs.
I figured I might as well post the exploded pics so maybe someone else can come up with something. The last two pics show how the detent ball is supposed to go for reassembly.