They just call it a "Switch Mounting Plate (Pick-up Only)" and it's included in the Heated Seats accessory kit. I don't know if it will fit the location you're talking about or not, just an idea.

 

GM part number 19165016 Service Component - Front Seat Heater Switch Mounting Plate, Seat Heater Switch Plate

Service Component for Heater part 17803282, which is the kit I installed. It does not include the switches shown in the picture below, those are a separate part number. I still can't find a picture of that exact part number, but I think that's the one. Looks like this:

 

That's exactly what I'm looking for. Thank you very much!!!

 

Do you know if this plate fits on both sides?

 

Sorry, no I don't. When I installed it I was thinking to myself that I could put this where my 4wd switch is located but I did't hold it up to look to see if it would fit. I bet you could measure the 2 holes and see if they are the same. Or try to move your current cubby to the other hole, try swapping them or something.
Good Luck!

 

Great idea! Thanks again for your help!

 

GM Parts Direct: 19165016 - PLATE