Have you checked out the Chassis Cab interiors? Instead of the heated and cooled seat buttons, they come with a bank of buttons labeled AUX 1 -4. There's a image of them over in the RAM Chassis Cab photo section, toward the end.

 

i have soo many cause my truck is outfitted with lots of electronics... hahah

radios, scanners, sirens, air horns, and lots of lights (which is what the panels for)

^^^ i need one of those panels...