Question about 1998 Dodge Caravan
The wiper motors are bad to do this,and replacing them is the answer.If you can get the wipers to act up,and quit,bump the wiper motor with your hand ,kind of hard,and if it starts back to working,this will confirm the bad wiper motor,but if it doesn`t,the motor most likely still,is bad.
Posted on Nov 14, 2009
Foster, There was a service bulletin for this issue that addresses this problem. Basically, the wiper switch is connected to the Body Control Module (BCM) and there have been lots of issues, early on with this particular configuration that involve the wiper control switch, wiper motor, BCM, and even some ground wires inside the engine bay compartment.
Suffice to say, it is a rather complicated service bulletin and requires access to a dealer scan tool so reading of the various voltages and relay activation/switching, etc., can be monitored and recorded to issolate the core problem.
Otherwise, you'll end up doing a "R&R" remove and replace of all the components involved in this, at a rather steep price, to solve it on your own.
The only advice I can offer is to check for corroded connections starting inside the engine bay (with the van off and key removed!) remove, clean and reinstall all the grounds you can get to on the firewall, etc. and then remove the connector on the wiper motor and BCM controller and carefully clean the contacts of any corrosion you can see (green oxide is corrosion on the copper contacts) and reconnect them to see if that might address the basic issue with this problem. Sometimes it's caused by bad connections due to corrosion, but it could be a faulty BCM, wiper contol (the stick inside the van) or the wiper motor itself.
Try the above and if that doesn't solve it, you'll likely need to have a Automotive service tech check it with the scan tool along with the Service Bulletin to resolve it.
I hope you find this Very Helpful and best regards!
The wiper switch is tied in to the Body Control Module and there's been problems early on with the BCM, wiper switch, wiper motor and the ground wires in the engine bay. There is a service bulletin out as to how to address this issue but it's lengthy and requires a dealer scan tool in order to properly monitor the wiper switch position.
Posted on Nov 12, 2009
Its a common problem of the wiper control module going bad/weak and intermittently quiting. the module is located underneath the wiper motor cover. also can be motor problem the windshield wiper motor gets Hot due to weak internal motor coils. then when it cools off they work again till the motor coil gets hot again. also check the nut at the bottom of the wiper arm to See if it's loose. If tight, fault is in wiper linkage to wiper arm not working .
also check the wiper fuse to make sure it is good. if it is then you need to replace the motor it should be under the vent panel on the outside of the car under the wiper blades
if the fuse and motor are fine but then bushings in the mechanical arms that move the wiper mechanisms could be worn out. Those "arms" are located just below the windshield and under the vent. Take a good look at their orientation before you remove them as there is only one way they go back in correctly.
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Posted on Nov 12, 2009
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Posted on Jan 02, 2017
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