I'm a handicap disabled vet who likes to tinker. I'm trying to help an elderly woman with problems with her car I am good with electronics and at a loss on this one rear windows are all that work on master switch 2015 Chrysler 200 2.4. No mirror control, door locks, or driver passenger windows

 

Check the wiring harness where it goes into the driver's door. The flexing there sometimes breaks wires.