Hey guys,I have a question wanted your opinion. Few weeks ago cleaned both window switches put them back,contacts were good,all of a sudden yesterday one of them quit working,other window runs flawless. Here's the question,ok so I took out a multimeter to test switch it's getting power now when I put the probe in the bottom holes the motor makes a electrical humming noise and then it slowly stops but nothing changes. Is my motor shot? Bad ground?

 

Looks like it's time to restore the motor.
It can only get worse so don't delay.