Question about 2004 Chevrolet Venture Passanger
I had my alternator replaced on my van and every since then my windshield wipers wont cut on and off with the switch. The just run nonstop. When I give it gas they go faster when I am slowing down if I do not use the gas for a minute they will dock like I turned them off until I give it gas. Could they have wired them wrong when they put them back on after having to take them loose to get my alternator out?
Sounds pretty logical to think that. They worked fine until that right? They either mis wired them or have something touching/crossed up. Definately would take it back to them and have them re do it.
Posted on Apr 17, 2014
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Posted on Jan 02, 2017
SOURCE: windshield wipers wont shut off
The problem is in the wiper motor assembly. Did you ever notice that when you switch the wipers off they always go back to the home position? This is due to a switch that keeps the wiper motor operating until the wipers are parked. In many older GM vehicles this is accomplished with a leaf type switch which opens when the wipers are in the correct position. when the dash switch is turned on this switched is bypassed keeping them on-when the wipers are turned off the motor continues to operate until this connection is broken.
Inside the wiper motor housing there is a nylon gear that drives a cam that cycles the leaf switch-most likely the gear has become damaged so it no longer drives the leaf switch allowing the switch to remain closed. A cheap fix is to disassemble the motor unit and piece of tape between the contacts. Although the wiper will not park properly they once again can be controlled by the dashboard switch.
In later vehicles the wiper position is located with an electronic sensor with a small PB board - the repair of this gizmo is beyond the scope of most shade tree mecahnics - so the solution is to replace the entire wiper motor assembly - unfortuneatly.
Posted on Jan 16, 2009
Fixed the wiper problem which was identical to Brad's by changing out the wiper module which is also called a pulse module or something of that nature. Pretty easy fix. You have to remove the grill that the wiper blades protrudes from in order to get to the motor (4 clips in front which can be removed by hand, remove radio antenna, a center push down retainer, two plastic end caps which pop off and then 1 star type screw on each end under the end caps). Getting the blades off seemed difficult. I used a small puller to pop them off after removing the nuts.
You can't buy this module at a regular parts store. I had to get it from the dealer so be prepared to spend $130 to $140 for the part or go to the salvage yard. Works great now.
Posted on May 20, 2009
check to make sure the wipers are at its right angle on the vehicle, loose the nuts and place both wipers close to the bottom of the wind screen
Posted on Jul 29, 2009
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This will help.Thanks.
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