Why are my wipers only working on high?

If the reading is made only on the high-speed terminal, the switch has failed. Inside the switch are a number of terminals that are sprung to make contact as the control is turned or slid like a lever; these contacts can lose their “springiness” and fail to make contact.

How do I know if my windshield wiper relay is bad?

Symptoms of a Bad or Failing 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.

Where is the wiper relay switch?

Where is the intermittent windshield wiper relay located? This relay is controlled by the integrated control unit located in the fuse and relay panel at the left kick panel. The Vigor is similar to the Legend, but the intermittent relay is located at the front of the engine compartment.

How does a wiper switch work?

How the wiper system works: when you turn the wiper on, the wiper switch sends the signal to the control module. The control module operates the wiper relay. The relay sends 12-volt power to the wiper motor. The motor rotates a little arm (see the diagram) that through links moves the wiper arms.

What causes the intermittent wiper to stop working?

If you make a change in the settings and the wipers don’t react, it’s most likely due to a malfunction in the intermittent wiper relay. This can lead to a potentially unsafe driving situation as sometimes we encounter weather conditions that require the use of the intermittent switch.

Can a low speed windshield wiper still work?

Use your multimeter to bridge between the low speed terminals on the switch and the wiper motor; with the switch moved to “Low” you should get at least a 10-volt reading. If you do, the wiring is fine; if you do not, the wiring has failed. Repeat the exercise with the intermediate speed.

When do I Know my wiper relay is bad?

One of the quickest indicators that a problem exists with the intermittent wiper relay is when the wipers are not intermittent and only work at one speed. The relay switch sends an electrical signal to the module that controls the operation of the wiper motor and gears inside.

Why do my windshield wipers keep coming on and off?

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. Sometimes one or more of these circuits fails in a way that causes the wipers to stay on, often in low or intermittent mode.

If you make a change in the settings and the wipers don’t react, it’s most likely due to a malfunction in the intermittent wiper relay. This can lead to a potentially unsafe driving situation as sometimes we encounter weather conditions that require the use of the intermittent switch.

Use your multimeter to bridge between the low speed terminals on the switch and the wiper motor; with the switch moved to “Low” you should get at least a 10-volt reading. If you do, the wiring is fine; if you do not, the wiring has failed. Repeat the exercise with the intermediate speed.

What to do if your wiper module won’t turn on?

Wiper blades won’t turn on or off The wiper module’s primary job is to send a signal to the wiper motor which powers the wiper blades. Before it can control the speed or duration of the wiper blades, it must first tell the motor to turn them on or signal them to shut off.

What is the function of the wiper module?

The wiper module’s primary job is to send a signal to the wiper motor which powers the wiper blades. Before it can control the speed or duration of the wiper blades, it must first tell the motor to turn them on or signal them to shut off.