Why do my windshield wipers only work sometimes?

Why do my windshield wipers only work sometimes?

When the relay is faulty, the windshield wipers will only work at the same speed that the last relay signal was sent. 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.

What to do when wipers stop working?

The windshield wiper fuse is burnt out. If the wiper motor fuse burns out, check for any obstructions that may cause the motor to be overloaded. Heavy snow on the wiper blades or a wiper blade or arm caught on something or snagged together can cause the fuse to blow. Clear the obstruction and replace the fuse.

Why are the wipers not working on my car?

The windshield wipers may not work intermittently due to a faulty wiper motor control board. Our technicians tell us that lightly taping on the wiper motor when the fault occurs should temporarily get the wipers working again.

What happens if the intermittent wiper switch fails?

However, when one part malfunctions, it can cause potential safety concerns. One of the most common parts to fail is the intermittent wiper relay switch. The electronic relays that are installed in today’s cars, trucks and SUV’s have to operate in very hot and grueling conditions or are subject to constant abuse.

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.

When do windshield wiper blades only work one speed?

The windshield wiper blades have one speed. 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.

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.

When do I need to replace my intermittent wiper 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. Having a fully functional intermittent wiper relay is more than a convenience.

What to do when your windshield wipers wont work?

Next time you have no operation when you switch the wipers on check for battery voltage at the motor plug. If there is power, the motor is bad. If there is no power, although the motor could “still” be bad, you first want to trace the circuit back to the power source to figure out where the break is.

The windshield wiper blades have one speed. 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.