Why do my windshield wipers only work on high speed?

Why do my windshield wipers only work on high speed?

1. The windshield wiper blades have one speed. The relay switch sends an electrical signal to the module that controls the operation of the wiper motor and gears inside. When the relay is faulty, the windshield wipers will only work at the same speed that the last relay signal was sent.

How do you fix a windshield wiper that won’t stop?

Changing the wiper relay is the easiest approach and it might solve your problem. Wiper relays usually cost less than $20. Faulty Switch: This is the switch that’s activated when you turn the wipers on and off, and it has lots of complex internal circuitry inside.

What does a wiper relay do?

The relay functions as a switch and energizes circuits as needed. In the case of your windshield wipers, it controls low, high, and intermittent speeds by energizing a particular circuit at a given moment depending on what speed you have your wiper switch set to.

Can a wiper motor draining battery?

Under typical electrical situations in your car, your windshield wipers will not drain your battery. Making sure the accessories are off will decrease the possibility of leaving something else that may drain your battery. It is a relief that windshield wipers will not drain your battery.

Why are my windshield wipers going off?

Faulty park switch: Inside the wiper motor is a park switch. Bad wiring: A loose wire or bad connection could also cause your windshield wipers to continue to run even when they are turned off. A mechanic with the proper diagnostic tools can easily check the wiring and locate any issues.

How do I turn the back windshield wiper off?

If you open the hatch glass while the rear wiper is operating, the wiper will stop. To return the wiper to its parked position, close the hatch glass, and then rotate the switch to the ”OFF” position. The rear window washer uses the same fluid reservoir as the wind- shield washer.