- Materials Needed.
- Step 1: Locate your relay. Many late model vehicles can have multiple locations for fuses and relays.
- Step 2: Remove the relay. With the ignition in the off position, remove the relay.
- Step 3: Install the new relay.
Where is windshield wiper relay located?
The wiper relay is unique in that it’s found inside the wiper control handle which often has selector switches giving drivers multiple settings for their windshields.
What happens when a wiper relay goes bad?
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 does a windshield 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.
How do you test a wiper relay?
If no continuity, as the solenoid is powered, then the relay is bad. If you suspect the switch, simply turn the switch “on” and check for 12 volts from the switch output to any body ground. If 12 volts are not measured, then the switch is bad.
Do wipers need a relay?
The washer systems associated with your windshield wiper control switch usually doesn’t need a relay . It wires direct from the control to the pump.
Do windshield wipers run on a fuse?
The windshield wiper system is made up of only a few components, and significant problems can occur when only one of these elements is damaged. The power to the system is regulated by a fuse that is wired directly to the wiper motor and the switch .
How do you diagnose a bad wiper switch?
Common signs include windshield wipers not turning on or off , not changing speed or settings, and the turn signals not working.
How do you know if your windshield wiper motor is bad?
Common signs include wiper blades that move slower than programmed , only have one speed, do not move at all, and don’t park in the correct position.
How do you change a wiper relay?
- Materials Needed. Owner’s manual. ...
- Step 1: Locate your relay. Many late model vehicles can have multiple locations for fuses and relays. ...
- Step 2: Remove the relay. With the ignition in the off position, remove the relay. ...
- Step 3: Install the new relay.
Why do my wipers stop in the middle?
When your windshield wiper position is incorrectly calibrated, the blades will come to a stop in the wrong orientation , such as in the middle of the windshield. ... Resetting the wipers involves removing the wiper linkage and manually placing the blades in the right position.
How does a windshield wiper delay work?
Most wipers have a low and a high speed, as well as an intermittent setting . When the wipers are on low and high speed, the motor runs continuously. But in the intermittent setting, the wipers stop momentarily between each wipe. ... It can require almost constant attention to keep the wipers operating properly.
How long do wiper motors last?
Windshield wiper motors are designed to last up to 1.5 million wipes , so they should be able to keep the rain, snow, and road grime off your windshield for years and years.
How much does it cost to fix a windshield wiper motor?
You can expect to pay between $250 and $350 for a complete windshield wiper motor replacement. Your labor cost for this job will run you between $70 and $80. Parts could be as $200 and as much as $250 or $300.
