Wipers: basic ideas to get you started I'd start by finding the fuse that serves the wipers and see if it's OK or blown. That's the most likely problem. If the fuse is blown, replace it with the same amperage fuse If the fuse is OK, try turning on the wipers in a quiet place, maybe even with the ignition key turned on but without the motor running.
If you can hear the electric wiper motor running, then the problem is most likely in the set of gears attached to the wiper motor. In that case you may have to buy the whole wiper motor and gearbox as a unit. I'd suggest looking for a used one If the wiper motor isn't running, it must be an electrical problem.At that point you have to figure out whether the problem is the motor, the switch, or the wiring.
To test the motor you should be able to attach a spare wire to the wiper motor contact, and touch the wire's other end to the positive post on the car battery. If the motor runs, that leaves the switch or wiring as the culprits At this point it helps a lot to have a resistance meter so you can track down breaks in the wiring and switches that do or don't make a connection. Actually, a resistance meter (ohm meter) helps with checking fuses if your eyes are older like mine.