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Wipers go on by there self - 2002 Cadillac Deville

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Hi :) Inside the wiper motor module there are diodes and when one burns out the motor will activate by it s self by just the wind touching it. You can take off the plastic cover and see the diode and it will look burnt and should be a NTE-125 black in colour with a grey ring around one end make sur you rplace the same way.

Posted on Mar 20, 2011


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Posted on Jan 02, 2017


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Where is the wiper module for a 2003 Buick LeSabre located

Usually the wiper module is combined with the wiper motor. If your wiper motor has more than 3 wires going to it it is incorporated into the wiper motor it self

Feb 06, 2017 | 2003 Buick LeSabre

1 Answer

My wiper motor on my truck..quit all at once..was on..turned it off..went to put it on again..nothing

Wiper motor circuit can be quite complex. Mostly the motor is fed with a live supply and the switch grounds the two other motor brushes, one for high speed and one for low speed. When switched off the self-parking takes over the grounding duty until the wipers are in the parked position. At this point the self-parking isolates the supply and shorts the motor so it virtually stops dead. The added complexity of the automatic wiper sweep timer makes for a complex circuit...

The motor tends to be extremely reliable - one of the most reliable things fitted to the car and most problems tend to be caused by the integrated self-park switch, the wiring, connections, switch and the timer electronics.

If the motor is removed or disconnected it is fairly simple and intuitive to test using a temporary supply and ground. The self-park can also be visually inspected and function tested while the motor is on the bench.
Testing the motor and circuit in situ would usually need a wiring diagram for reference.

Apr 25, 2016 | Cars & Trucks

1 Answer

Intermittent wiper stops in middle of windshield when in use

If the wipers self-park in the other settings and after use of the screenwashers the fault is probably in the intermittent timer relay or circuitry.

If the self park is not working in the other settings the fault is probably the self-park switch within the wiper motor.

Oct 17, 2015 | Cars & Trucks

1 Answer

2000 VW Jetta.. Wipers will only come up 3 inches and then back down doing this all the time even when wipers are off. Had to take fuse out to stop them. Need wipers as it is raining. :(

New wiper motor needed the self park control is up the creek without a paddle,as its a 2000 model you may be able to repair it if you take the motor off and look under the gearbox cover you will find some copper strips ,this is the self park ? it may be easier to find another motor in the scrapyard

Oct 24, 2013 | 2001 Volkswagen Jetta TDI

1 Answer

1 wiper out of time /need details of wiper drive

i think your wiper arm is loose thats all ,if you lift the plastic covers on teh bottom of the arms their is a nut and one of them is loose so turn wipers on then self park them and the one that self parks correctly is ok and the other ones needs resetting in the same position as the other then tightening the nut up that holds the arm on .

Mar 23, 2011 | 2001 Chevrolet Blazer

1 Answer

I have a '97 Z24 Cavalier that although the windshield wipers work, when turned off the go back to an upright position. When turned on any setting (whether fast or slow) they do stay down in the "resting"...

Sorry but your description doesn't really make sense - the wipers work, you say, but when switched on they remain in the correct parked position...
Presumably when switched off they park vertically.

It is worth noting the single sweep timer and the screenwash (5 wiper sweeps) influences the self parking. The circuit is quite complicated and it is best not to be involved unless necessary and then a circuit diagram would be invaluable.

It is also important the wiper linkage crank is correctly "timed" to the wiper motor for correct parking.

The wiper motor and integrated gearbox is fairly simple to examine and test but the gearbox also contains the self parking switch which can be examined for wear and cleanliness though testing isn't very practical.

I suggest you begin by removing the wiper motor and examining the condition of the self parking switch inside the gearbox. If it is worn or corroded replace the motor. When refitting connect the wiring and switch on the ignition and then briefly switch on the wiper motor and switch off. The motor should continue for a second or two and then stop.
Switch off the ignition.
Position the wiper blades in the proper parked position and then refit the wiper linkage crank to the motor...

Nov 05, 2017 | Chevrolet Cavalier Cars & Trucks

2 Answers

Wipers won't lie down when off

The self parking mechanism in the wiper motor assembly has failed, most likely the "emf brake" built into the motor itself. If the self parking microswitch was broken (another common fault) then the wipers would simply keep running until the ignition was turned off.

The only solution is to either get an auto electrician to see if the motor assembly can be repaired or to replace the entire wiper motor. Repair is probably the better option as it's an expensive part.

Mar 11, 2010 | 2002 Kia Sedona

1 Answer

Wiper transmisson stud striped. how to replace?

goto car shop, get a "self tapping nut", for the thickness of bolt stud you have on the wiper, a self tapping bolt will cut its own threads onto the wiper bolt, follow the instructions that come with the nut - they're all slightly different. You can get these nuts from any well stocked hardware store - they are considered a permanent repair.

Jan 21, 2010 | 1986 Nissan 300ZX

2 Answers

Dodge caravan 1996 During cold weather wiper malfunction


Sounds to me like the "parking" contacts inside the wiper motor have broken off / worn.
Needs to remove wiper moter / dismantle to inspect. (On some models you can purchase these contacts.)

Dec 10, 2009 | 1996 Dodge Caravan

1 Answer

Windsheild wipers aren't working. what could be the problem?

Check the fuse if that has not been done, if the fuse is good then give the wiper motor a light tap where the wire harness connects too. The circuit board on the electric motor assembly where the wire harness connects too is know to crack and will need to be re soldered or replace. The replacement part can be bought at Auto Zone for around $15.00 i believe or you can just re solder if you can and save your self the money for another day. The only other place would be the wiper switch it self may need to be replaced, but if there is no low or hi working on the wipers. I'm going to lean towards the wiper motor circuit where the harness clips to. Good luck and hope you get the wipers working again soon.

Dec 09, 2009 | 1997 Chevrolet C1500

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