Help, wiper problem, rain is comming
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Elder User
Joined: Aug 2003
Posts: 933
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From: Québec
Help, wiper problem, rain is comming
Hi, when I turn off the witper switch, the wiper does not finish the travel, wiper stays right there, in the middle of the windshield. the intermitent does not work, when I turn to intermitent, it works for one second then stops.
I just replace my wiper motor, cleaned off the connection, ground etc. Still the same problem.
I looked in the book and they talk about an interval module, I think I saw that module under the dashboard.
Anyone replaced that module before? Could it be the problem?
I just replace my wiper motor, cleaned off the connection, ground etc. Still the same problem.
I looked in the book and they talk about an interval module, I think I saw that module under the dashboard.
Anyone replaced that module before? Could it be the problem?
Posting Guru
Joined: Oct 2005
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From: Powell River B.C.
On my 93 the module is easily accesssed by pulling out the glove box. You can clean the connectors on the card, but that wasn't my problem. The switch (if located on the end of the signal light lever, can be acesses by pulling the plastic cover off of the front of the lever. I sprayed the heck out of mine from inside that cover with WD-40 while exercising the switch, seemed to clean up all my wiper operation problems.
Senior User
Joined: Jan 2005
Posts: 108
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From: Belfast, Maine
the module for 91 is under the dash on driver side. i took mine out and resoldered the cracked circuit board, common problem for these. the jolt from releasing the parking brake does a number on them. i wrapped the module inside an old sock and did not mount it back i the origional spot. now when i release the parking brake, i hold my foot on the pedal to prevent the pedal from hitting the stop hard.
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Elder User
Joined: Aug 2003
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From: Québec
Thanks, this forum is great, It would have took me weeks to find this problem. No one I talk to have a clue of what would be the problem. I am going on vacation in a month across USA down to California and back, around 8000 miles, hope the old rig will bring me back. I will count on you guys to help me If I have trouble.
I removed the &/?")$&/? MODULE. What a place to put it, could not find a worse place. Removed the cover and found one connection with weld broken, I will solder it and hope it works.
Thanks again
I removed the &/?")$&/? MODULE. What a place to put it, could not find a worse place. Removed the cover and found one connection with weld broken, I will solder it and hope it works.
Thanks again
Freshman User
Joined: Mar 2007
Posts: 48
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From: North Carolina
How do you get that module out. I have removed the wires and switches in front of it. I can't see what is holding it in there. Thanks!
My symptoms were NO slow speed or Intermitent. I do have high speed and wash. I replace the motor and the switch.
My symptoms were NO slow speed or Intermitent. I do have high speed and wash. I replace the motor and the switch.
Posting Guru
Joined: Oct 2005
Posts: 1,030
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From: Powell River B.C.
Datamover, that was the problem I had, intermittant only worked once when you moved the control. The variable resistance wiper(contactor) in the switch gets dirty. Try cleaning the switch with WD-40 or contact cleaner.
Freshman User
Joined: Mar 2007
Posts: 48
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From: North Carolina
Prolem Solved! I got the module out. There was a screw up by the EBrake that let the module out. Thanks a bunch!.
I went to Control Panel, Edit profile to create a signature, but I don't see where you enter it.
Thanks!
Bob
I went to Control Panel, Edit profile to create a signature, but I don't see where you enter it.
Thanks!
Bob
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Logistics Pro
Joined: Dec 2005
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From: Moro Bay, AR
I too have wiper problems, but mine seem a little different from what has been posted. When the switch is turned to any of the intermittant speeds, it is just on low. Will not auto park. If you try the washer, the wipers will stay on until the key is turned off. Does this sound like the control box.
This is on my 94 F250 7.3 IDI.
This is on my 94 F250 7.3 IDI.
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Senior User
Joined: Dec 2003
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From: Grosse Ile Mi.
Mine does the exact same thing I have changed the switch a year ago,.. I am betting on the wiper motor mine makes a lot of noise... I took the black cover off it and sprayed some wd 40 in seams to have made it work better but not all the time.. let me know if you find what is causeing your problem and I will do the same...
Elder User
Joined: Feb 2007
Posts: 549
Likes: 1
From: Mississippi
got a '90 with sort of the same thing goin on. no low speed and only high speed. washer works. really well when you're trying to turn lights off and hit wrong stem. lol
this isn't an intermittant switch, but they sell one that replaces the oem. would this be any problem jerking out the old one and replacing it with the a/m part? i can't think of any 'lectrical problems, but don't know about wiper switches.
speedrer
this isn't an intermittant switch, but they sell one that replaces the oem. would this be any problem jerking out the old one and replacing it with the a/m part? i can't think of any 'lectrical problems, but don't know about wiper switches.
speedrer
Freshman User
Joined: Mar 2007
Posts: 48
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From: North Carolina
Speedrdr, My truck is a 1991 and we have the exact same problem. I replaced the switch and motor. It turned out to be the module between the switch and the motor. If you pop off the left side of the dash (like you were removing the switch) and remove the metal frame (3 or 4 screws). If you dig your hand in there along the door side you will feel a small plastic box about (2 in by 3 in). There is a screw at the back of the box (on the fire wall side) that holds the box. You can remove the screw from the bottom of the dash right by the emergency brake. When remove the module and open it up, you will see several solder joints that are broke. It is very obvious by the wiggling metal part on the circuit board.
Elder User
Joined: Feb 2007
Posts: 549
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From: Mississippi
yea! many thanks for the trouble shooting. wasn't sure what all that medusa head of wires going back there went to...kinda hesitant to just start jerking. at least with this i'll know what i'm pulling on and if it breaks, well i'll know where it came from to put it back. (maybe) since it's not raining now and weather sunny and in 70s, gonna get in there and try to get it fixed before it does decide to drop water.
speedrdr
speedrdr
Senior User
Joined: Dec 2003
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From: Grosse Ile Mi.
Originally Posted by mechmagcn
I too have wiper problems, but mine seem a little different from what has been posted. When the switch is turned to any of the intermittant speeds, it is just on low. Will not auto park. If you try the washer, the wipers will stay on until the key is turned off. Does this sound like the control box.
This is on my 94 F250 7.3 IDI.
This is on my 94 F250 7.3 IDI.
Thread Starter
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Elder User
Joined: Aug 2003
Posts: 933
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From: Québec
Got the module repaired. One of the solder joint craked from what seems to look like the timer, the one that looks like a set of point in a clear plastic. Reinstalled and work fine, thanks. Il you remove this module, or disconnect it., the wiper will work but only in high speed, so in case of emergency, just disconnect and fix later.
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