I think there must be a steel arm operating the window glass. Cable would move that arm. Could be the cable end has detached or snapped from it. Have a look at the cable end while operating window control, and see what it does
When the cable comes off, it usually is a sign that one of the plastic gears has broke. They don't get fixed, they get replaced, a fairly easy job, get the new operator in hand, and take out the old operator, remove all the bolts, glass, support the glass with a wedge, remove the motor, remove the operator through the biggest hole in the door you can find, it might take some straining but it will go. Replace the same way. The shop wants $250 for t his job, The part is about $50. I did all mine myself. No problem. Hope this helps.
Can you operate it from the outside locking mechanism
If you can hear the motor (regulator) but window does not operate, then we established that power is being supplied and fuse/relay are ok. Your problem is a bad window regulator or a guide cable is fraying and caused it to knot up on the guides.
If you hear nothing at all then you first need to figure whether it's a fuse, a relay or the wiring is bad.
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