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How do you fix windshield wipers that turn on without hitting the switch?

1. Check the wiper control switch. Ensure the wiper switch is in the "off" position. If the switch is worn or damaged, it could be causing the wipers to turn on without being activated.

2. Check the wiper relay. The wiper relay is a small electrical device located in the engine bay. It controls the power supply to the wiper motor. If the relay is faulty, it could be causing the wipers to turn on without being activated.

3. Check the wiper motor. The wiper motor is located at the base of the windshield. It is responsible for driving the wiper blades. If the motor is faulty, it could be causing the wipers to turn on without being activated.

4. Check the wiring. The wiring connecting the wiper switch, relay, and motor could be damaged or loose, causing the wipers to turn on without being activated.

5. If you are unable to fix the problem yourself, take your vehicle to a qualified mechanic for diagnosis and repair.