The ignition switch is responsible for providing power to various electrical components in the vehicle, including the wipers and speedometer.
-A faulty ignition switch can cause intermittent electrical problems, including the wipers turning on and off by themselves and the speedometer malfunctioning.
2. Faulty wiper motor:
-A faulty wiper motor can cause the wipers to turn on and off by themselves.
3. Faulty speedometer sensor:
-A faulty speedometer sensor can cause the speedometer to malfunction, including fluctuating between 0 and 80 mph.
4. Electrical short circuit:
-An electrical short circuit can cause various electrical problems, including the wipers turning on and off by themselves and the speedometer malfunctioning.
5. Faulty electrical ground:
-A faulty electrical ground can cause various electrical problems, including the wipers turning on and off by themselves and the speedometer malfunctioning.
To diagnose the exact cause of the electrical problem, it's recommended to have the vehicle inspected by a qualified mechanic who can use diagnostic tools to identify the root cause and perform the necessary repairs.
