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Yes what do I do
Could be a fuse if both stopped working. or a wire ,both windows are hooked up to same wire.
Check fuses
IF ALL WINDOWS HAVE STOPPED OPERATING AT ONE TIME YOU MOST PROBABLY HAVE A FUSE PROBLEM. IF THEY HAVE NOT ALL STOPPED OPERATING OR THEY HAVE STOPPED OPERATING AT DIFFERENT TIMES YOU PROBABLY HAVE POWER MOTOR PROBLEMS.
Fuses or the power window relays.
it depends if it is the switch or the motor, get a repair manual from a part store.
Blown fuse, broken wire, failed switch,
I have a 1988 BMW 325I and the power windows stopped working all of a sudden after a starter was replaced. Any help would be highly appreciated. Respectfully Submitted, Mills
First check for a blown fuse. Check to see if there is power at the motor. If there is power at the motor then the motor itself is bad.
Try the switch that keeps the kids from opening the back window.
check your ignition switch
look for obvious problems first like the fuses. then test if there's power going to the motors that open and close the windows. if there's no power its a short in the circuit. if theres power, try testing the motors with an alternate power supply to check if they are working. but they shouldn't all brake down at the same time.