Windshield wiper park heat module location?

The heated windshield never worked on my VNL, I've had it a year. The windshield cracked and just got replaced, I hoped it would fix it, but no. The switch on the dash lights up, the fuse is good, there must be something else in there. I replaced the lock module when I got it, I'm hoping one of the other modules in that area is for the windshield, does anyone know?

Or is this function controlled by the body control module?

 

These windshields don't get cut out, they use a rubber gasket. Repair people said that was in case windshield needed to be kicked out. The exposed wires where they connect to the windshield are good, the rest of the wire is hidden behind the a pillar plastic cover.

The windshield has those lines like a rear window defroster has in a car, they run down the sides and across the bottom.