The one I am restoring didn't have a heater in it at all and the one I was wrecking (see signature) did so I swapped it over - along with the cable wipers and demisters:
http://kiwi-in-oz.com/pictures/photos/800/1D322325.jpg
Yeah, I know, wrong door tops :D
The door tops in this 'new' one are OK but the channels are shot.

