I am having a similar issue with my 1993 windshield wipers. I have replaced the switch and the module, both of which I now think were not bad, as neither solved the problem. None of the interval functions work. When I turn off the wipers, they stop where they are and do not go all the way down. When I use the fluid, the fluid works and the wipers work, but they will not stop working until I actually turn off the truck. Any suggestions would be helpful. Thanks, Jim
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wiper problem
I watched a video online to test the wiper moter. Using a test light I checked to see if power was going to the motor and then proper ground. I determined that the motor was bad. I replaced it - which took a while and it works great. I found a new one for under $50.00. :thumbsup:
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Exact same issue
Originally Posted by jimbax
(Post 5092849)
I am having a similar issue with my 1993 windshield wipers. I have replaced the switch and the module, both of which I now think were not bad, as neither solved the problem. None of the interval functions work. When I turn off the wipers, they stop where they are and do not go all the way down. When I use the fluid, the fluid works and the wipers work, but they will not stop working until I actually turn off the truck. Any suggestions would be helpful. Thanks, Jim
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Most probably the motor.
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Originally Posted by 1995XLT
(Post 5209667)
Most probably the motor.
I can hear a clicking from behind/ under glove box.. |
That's the wiper module - it's supposed to click. Very rare for anything to go wrong with them.
If you already did the switch, it's most likely the motor. |
Originally Posted by 1995XLT
(Post 5209726)
That's the wiper module - it's supposed to click. Very rare for anything to go wrong with them.
If you already did the switch, it's most likely the motor. I will try the motor next |
I've got a 93 F150, 4.9 4x4 and have intermittent problems with the wipers. Sometime they would not work at all, sometimes they would just stop. Sometimes they would move at like half speed and jerky. If they stopped, I would smack the dash and they would restart. I was going to try to pull the module (now that I know where it is, but I think I'll try the switch cleaning trick first. And for what it's worth, I don't care how old a thread is as long as it helps. Its not like my truck is getting any newer. Thanks for the tips!
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I cleaned the wiper switch and while I'm sure that it will help prevent some future issues, it didn't fix this problem. I found the wiper delay module, (fun to remove) and found that it was quite warm, suggesting that the motor was hung up. So I watched some You Tube videos on removing the wiper motor, then got a new motor from O'Reillys and changed it out. Problem solved. I did note that people were having problems removing the arm from the motor shaft. I soaked mine with penetrant, then used a crescent wrench between the motor and the arm to pry the arm off. The motor shaft appears to be tapered, which explains the difficulty, so for future help, I put a dab of anti-seize on the shaft.
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What was your fix for this? I just recently purchased a 94 150 and I am having this issue.
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Wiper issue
Originally Posted by jimbax
(Post 5092849)
I am having a similar issue with my 1993 windshield wipers. I have replaced the switch and the module, both of which I now think were not bad, as neither solved the problem. None of the interval functions work. When I turn off the wipers, they stop where they are and do not go all the way down. When I use the fluid, the fluid works and the wipers work, but they will not stop working until I actually turn off the truck. Any suggestions would be helpful. Thanks, Jim
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