Added another pic which shows the other side. I quess the speaker and the defroster would mount to the bottom and the unit would mount to the rear deck. It's being sold on E-bay. I've never heard or seen anything like this and cant find anyone who has. It makes sense the way it's built.
Time to...
When I turn my headlight switch on to any position - I dont get parking lights but the turn signal indicators on the dash light up, both of them, they are steady - dont blink. If I use the turn signals that particular side will just shutoff. Checked grounds, replaced bulbs, checked flasher cans...