FW D-9/ 152H windscreen heating?

[Bozothenutter]

I've found wow the wires run in the windshield side panels but don't seem to be able to find a clear image of the middle panel.
Anybody help?

 

[Bozothenutter]

Aaaaand five mins later i find the answer....
190.122-23 and 24 are heated side panes.
Front pane 152.120-05 makes no mention of being heated.