Mike, my oposite door only catches right in the middle. The door latch "tongue" catches on the striker plate in the center of the left door.
I'm gonna take a look at my photobucket and see what I can find and list it below. Maybe, just maybe it'll help.
This is my right door latch.
http://i140.photobucket.com/albums/r19/LutherParris/52Panel/000_0281.jpgMy right latch catches on this striker plate on the left door
http://i140.photobucket.com/albums/r19/LutherParris/52Panel/000_0282.jpg..and this is the right door "guide"
http://i140.photobucket.com/albums/r19/LutherParris/52Panel/000_0280.jpgthat fits into this on the left door.
http://i140.photobucket.com/albums/r19/LutherParris/52Panel/000_0283.jpgThese are the "catches" that fit at the top and bottom of the left door. You can see they are labeled top and bottom.
http://i140.photobucket.com/albums/r19/LutherParris/52Panel/Reardoorcatches.jpgAnd the next two pictures are from some pics of my friends panel as I needed to know what went where because mine was all apart.
http://i140.photobucket.com/albums/r19/LutherParris/52Panel/Reardoorcatches002.jpghttp://i140.photobucket.com/albums/r19/LutherParris/52Panel/Reardoorcatches001.jpgHey, I may as well throw in a pic of the LEFT door center stuff.
http://i140.photobucket.com/albums/r19/LutherParris/52Panel/Reardoorlatch.jpgAll these photo's and more are on the photobucket link under my signature line. Take a peek if you like BUT I do NOT know if my AD is anything like your 46 doors. (I like your rear windows)