Rear window defrosters/Rear Heaters (Suburban content)

[blakeduren]

I have seen tailgate and barn door suburbans with defrosters in passing...any pictures? Just another switch on the dash? (like rear tailgate/rear AC etc) It must be a rare option.

Also, what is the rear aux heater in a suburban look like? I have never seen one before. I have seen the dash switch for one, but never the equipment in the back. Does it tuck up with the Rear AC? Can you have rear AC and heater?

Just curious...
Blake