Rear heated seats

[snik]

Hey guys. Recently picked up a 04 4.8iS and drive it back from NY to TX.
The rear heated seat worked, or at least the light came on when pressed. But when I got home, while cleaning it out. Press the rear seat heater buttons and nothing.
I've popped off the seat bottom. Vacuumed out the years of debris and checked the wires. Al looks good. I removed the back of center console and checked the buttons. Why're still locked into the harness and nothing.
I've checked the fuse. They're good. No heat on the back seat.
No errors in INPA.
What else can I check? Any clues, ideas?

Thanks.



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