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Re: Windshield wipers dont work in the rain
their is a known defect in the wiper switch please read following and check out site as well as print and bring into the dealer they will make good on it
ON CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES, A STATIC
ELECTRICITY SPARK BETWEEN THE OPERATOR AND THE VEHICLE CAN CAUSE THE
TURN SIGNAL, HEADLAMPS OR WINDSHIELD WIPERS TO MALFUNCTION WITHOUT
here is the site for the recall information, as a computer tech i can tell you this is suposed to be static isolated but it is not. they dealer should make good.
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To troubleshoot car windshield wiper problems, you need to thoroughly investigate problems with any of its operating parts. Here are some of the things that you need to check to determine why are your car windshield wipers not working.
Check Wiper Motor The wiper motor is the driving force of the windshield wiper. Feel the motor and listen to a humming sound. If there is no humming, the motor is the problem. Check if the motor is working properly and see to it that its electrical connections are made properly. If you find that the motor is dead and beyond repair, get it replaced immediately.
Check For Break in Connecting Wires The connecting wires of the motor sometimes go loose and that may cause the windshield wipers to stop working. Also check the battery plug connection which the motor has. Connecting the loose wires properly or fixing/replacing the plug might solve your problem.
Check Wiper Switch Another wiper assembly part that can malfunction is the wiper switch itself. Check for switch malfunction and if you find that is indeed the problem, get it replaced from a mechanic.
Check for Bent Wiper Arms Bent wiper arms can cause the operation of the wipers to be hampered. If the wiper arms are bent beyond repair, get them replaced immediately.
Check For Blown Out Car Fuse A blown up car fuse could be the culprit that has stopped the windshield wipers from working. Check the fuse assembly under the dashboard of the car. Replacing a blown fuse might fix the problem of windshield wipers not working.
Windshield Wiper Sprayers Not Working - Things to Check
Sometimes the windshield wiper sprayer stops working which can be very annoying. The washer mechanism is a self cleaning mechanism for the windshield. Here are some of the things that you need to check in case it is not working.
Check Windshield Washer Motor The windshield washer mechanism might have been impaired due to the malfunctioning of the wiper washer motor. Check if its working and get it replaced if it is beyond repair.
Check Windshield Washer Fluid Level Sometimes the washer doesn't work because the washer fluid levels are not filled to requisite levels. Filling in fluid might restore normal functioning.
Check For Broken Washer Hose The connecting washer hose that connects the reservoir to the nozzle, might be broken or worn out stalling the overall operation. Check the hose for leaks and get it replaced.
Check Washer Nozzle For Clogging Last thing to check is the nozzle of the washer for clogging. An obstruction in the washer nozzle might be the reason for windshield wiper sprayers not working. Using a pin, clean the clogged nozzle. This might restore the sprayer to the normal working condition.
a couple of thoughts:
Has your windshield just been replaced?
The sensor is up by the rear view mirror, is it plugged in all the way?
Do you have the right size wiper blades on your vehicle? (too short of a blade misses the rain sensor and does not wipe it clean)
How good are your blades? ( as above, to turn off the rain sensor the blade needs to wipe it clean)
The rain sensor works by projecting multipleinferred beams to the inside of the windshield, like a prism, they reflect back to collectors. when there is a water droplet on the outside of the windshield it changes a beams trajectory and it misses the collector thust turning on the wipers.
(yes, this all happens in that little sensor up by the rear view mirror.)
check to make sure the wiper switch is in the right position. also....I've seen rain sensors not work properly when the hood or doors are open.
hope this helps
Your windshield wipers come on because of the position that the wiper control is set. Wipers will come on intermittently if you set it for light rain or snow or it can be set to come on immediately and fast for hard rain or snow. Please make your windshield wiper adjustments by turning the control knob or lever to the desired position.
The 13mm nuts that attach the wiper arms to the pivot assembly loosen with time. Pop up the plastic caps and tighten the nuts. Make sure the wipers are in the park position i.e. set the wiper switch in the off position before shutting the ignition off - otherwise you might tighten the wiper arms in the wrong position and they would try to go places they shouldn't :)