windshield wipers don't stop!
#1
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Location: El Paso, TX
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windshield wipers don't stop!
today i went through my first drive through car wash (for lack of time to hand wash at home) and about 3/4 through, my windshield wipers came on spontaneously. i tried flipping their lever back and forth to try to turn them off. i finally reached a spot where i was going to dry off my runner, turned off my ignition (they stopped), then finished drying it. i got back in the car, and began to leave. they just wouldn't turn off! i parked my truck and decided to just pull the fuse to at least make it back home without ruining my wipers and possibly scratching my front windshield. ever since i put my qform kick panels in, i hadn't kept my fuse diagram in my vehicle, so i had to call for a ride to go home and pick it up. i picked it up, went back, and successfully pulled the fuse. the endless wiping seized. i replaced the fuse, and everything went back to normal.
what kind of problem am i experiencing? i really wouldn't like this to happen again in the future in a situation where i can't get down to pull the fuse!
this has happened to me before, but in a less severe way. it used to be that after i had them on for a while when it was raining, it would take a bit of messing with to shut them off (OCCASIONALLY).
i have a 1991 4runner v6 auto 4wd (3.slow )
what kind of problem am i experiencing? i really wouldn't like this to happen again in the future in a situation where i can't get down to pull the fuse!
this has happened to me before, but in a less severe way. it used to be that after i had them on for a while when it was raining, it would take a bit of messing with to shut them off (OCCASIONALLY).
i have a 1991 4runner v6 auto 4wd (3.slow )
#2
I'm having the same problem with my 93 Toyota pickup. sometimes they just wont turn off, I didn't think about a fuse being messed up until i read this post but instead, i pulled the harness to the wiper motor on the firewall. The wiper controls worked before, Now they don't. It's pretty annoying, I'd like to get it fixed.
#4
You did not way what vehicle you're working on. Not this?
Seriously...
Your wiper motor OR wiper relay could be getting wet and shorting inside. If you have first-gen MoreFunner, there is constant 12V from the wiper fuse going to the wiper motor.
Same could happen with your wiper relay, too. IF you have first-gen, it is behind the kick panel on passenger side. Splashing water could get in there if grommets penetrating the panels are not sealed week. Windshield leak could also drip there.
Inspect both ^^^ and do something to keep it(them) from getting wet when it rains.
Last edited by RAD4Runner; 12-17-2014 at 09:18 AM.
#6
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It was freakin easy . . .
I had set aside a Saturday to chase down the problem and a guy at work mentioned the windshield washer / wiper . . . I had pulled the fuse so I could drive the Runner while I figured out what the problem was. Anyway, on the way home I looked down at the little push button on the end of the wiper control and the button was stuck in! I touched it and it snapped back into place . . . when I got home I replaced the fuse and everything worked perfect.
I had set aside a Saturday to chase down the problem and a guy at work mentioned the windshield washer / wiper . . . I had pulled the fuse so I could drive the Runner while I figured out what the problem was. Anyway, on the way home I looked down at the little push button on the end of the wiper control and the button was stuck in! I touched it and it snapped back into place . . . when I got home I replaced the fuse and everything worked perfect.
#7
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There is a wire in the steering column harness that is prone to short out and cause the wipers to run constantly. I would recommend disconnecting the wide flat steering column harness that runs along the bottom of the steering column and check inside both connecters. One time I also found corroded connecters on the back of the wiper switch. There was corrosion between two of the soldered wires that caused a short and made the wiper run continuously. I cleaned them and have been working fine for 6 months now.
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#8
You did not way what vehicle you're working on. Not this?
Seriously...
Your wiper motor OR wiper relay could be getting wet and shorting inside. If you have first-gen MoreFunner, there is constant 12V from the wiper fuse going to the wiper motor.
Same could happen with your wiper relay, too. IF you have first-gen, it is behind the kick panel on passenger side. Splashing water could get in there if grommets penetrating the panels are not sealed week. Windshield leak could also drip there.
Inspect both ^^^ and do something to keep it(them) from getting wet when it rains.
Seriously...
Your wiper motor OR wiper relay could be getting wet and shorting inside. If you have first-gen MoreFunner, there is constant 12V from the wiper fuse going to the wiper motor.
Same could happen with your wiper relay, too. IF you have first-gen, it is behind the kick panel on passenger side. Splashing water could get in there if grommets penetrating the panels are not sealed week. Windshield leak could also drip there.
Inspect both ^^^ and do something to keep it(them) from getting wet when it rains.
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