Rear window defogger
The factory one looks like a speaker and mounts in the passenger side of the rearward side panel. I will look and see if I have a picture of mine.
They are are rare as teeth in a hen.
The blower motor is similar to any abody… it’s the attachment to the side defuser that is the ultra rare part.
I just checked. I do not have a photo but I believe #Capt46 may have photos of a proper set up.
Syleng1