Why do my windshield wipers only work on one speed?

Why do my windshield wipers only work on one speed?

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.

What are variable intermittent windshield wipers?

Intermittent wipers operate on timed intervals, not constantly. Intermittent windshield wipers operate in timed intervals rather than constantly. This keeps a windshield clean in conditions of misting or very light rain. An interior control is used to switch between various intermittent wiper settings.

How much does it cost to fix intermittent wiper on Toyota 4Runner?

If you have a Toyota with windshield wipers that no longer work on timer or go back to the bottom of your window, watch this tutorial. Most dealerships will charge you $250.00 to fix it, a $10 part is all you need. This particular fix is on a 2005 4runner but it works for various models and years. Loading…

What are the symptoms of a bad intermittent wiper relay?

1. The windshield wiper blades have one speed 2. The windshield wiper blades don’t work 3. Wiper blades operate at speeds different than you selected 4. Humming noise when the wipers are on

Why does my car not have a wiper motor?

This is usually caused by the wiper motor not getting the power that it needs due to a bad relay. In most cases, a professional mechanic will replace the intermittent wiper relay and the controls at the same time to ensure all of the supporting connections work smoothly together.

Why does my car wiper make a humming noise?

Humming noise when the wipers are on In some instances, you may notice that there is a strange humming noise when trying to operate the wipers on the car. This is usually caused by the wiper motor not getting the power that it needs due to a bad relay.