Why Won't the Car Wiper Stop?
2 Answers
The reasons why the car wiper won't stop are: 1. Circuit failure or damage on the line; 2. Damage to the combination switch; 3. The negative pole of the wiper is connected to the car body. The function of the wiper is to remove raindrops and dust attached to the vehicle's windshield to improve the driver's visibility and increase driving safety. Precautions for using the wiper are: 1. Do not park in places with strong sunlight, frost, or excessive dust; 2. On sunny days, do not perform dry wiping without water; 3. If there are hard dirt, leaves, sand, or ice residue on the glass, clean them manually; 4. Reduce the use of the wiper's fast mode; 5. Handle the wiper gently when washing the car or during daily maintenance.
I've been driving for over twenty years and have encountered this issue of the wipers not stopping several times. Most of the time, it's due to an internal short circuit in the wiper switch or the relay getting stuck in the powered position. Over time, the contacts in the switch can wear out and stick together, causing continuous power supply, and an aging relay can also cause the motor to keep running. Another reason could be a short circuit in the wiring, such as rainwater seeping in and causing the wires to conduct electricity, forming a loop. Safety first—if this problem occurs while driving in the rain, immediately turn on the hazard lights and pull over. Don’t delay checking the engine. Preventatively cleaning the dust around the wiper switch can help avoid malfunctions. If you really can’t fix it yourself, take it to a repair shop to check the motor and related circuit systems. Replacing parts won’t cost much, and ensuring peace of mind while driving is more important.