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Go Back JeepForum.com > Models > Jeep Grand Cherokee & Commander Forums > ZJ Grand Cherokee Forum > Save $ on rear wiper motor

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Unread 12-12-2009, 04:28 PM   #31
89YJmoneypit
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Quote:
Originally Posted by gomes512 View Post
Good to hear this is still helping some folks out.
I did this a year ago and it's still working great.

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Unread 12-12-2009, 08:27 PM   #32
IHATEU
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Quote:
Originally Posted by outlaw8383 View Post
just pulls right off with some twisting and turning to get it at the right angle.

I just did this repair on mine today. As long as you follow this thread step by step you shouldn't have a problem. It was pretty easy actually. I don't know why but its not sitting in place properly so the seal isn't tight. Goes back and forth no problem but the motor is making a loud funny noise.
thanks boss.
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Unread 12-19-2009, 02:46 PM   #33
bigbill888
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Don't do like me. Thread the nut on the end of the shaft b4 you start whaling on it with the hammer and mushroom it just enough where the nut won't thread back on.
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Unread 04-19-2010, 05:27 PM   #34
Codenamecody
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Seems like im having the same issue as some other people, I put the gear back in pretty close to where I took it out, not exactly in the same spot though cause I hooked the motor up to a power supply to make sure it worked. Now when I hook it up to the jeep, the motor turns all the way one direction as soon as I hook it up, even when there is no key in the ignition. After that it doesn't respond at all. I measured zero volts across the motor after it stopped, so at least it's not just sitting there burning out the motor. I am out of ideas now. My wiper worked before but was really slow and sometimes you had to help it for the first part to get it moving. So the board was good when I started, the motor is good, and the shaft is free to spin with minimal resistance.

To the OP: I assume from your post that you didn't put the gear in right the first time and had to find the right spot. If thats the case, what where the symptoms and how did you fix it?
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Unread 04-20-2010, 01:07 PM   #35
gomes512
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Codenamecody you are correct in your statement. Mine would stop midway through the sweep and then not return completely. It's been a while since I've had it out but I tried the align the pins with the beginning of the brass forward/reverse plate (I know that's a bad description). I took 3 tries in the cold weather before I said screw it and put the thing back in in another random position. Note each time I had to disassemble, unsolder, resolder, etc.

I got lucky in the end. Play around with it further and you'll eventually get it...

I wish you best of luck
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Unread 09-18-2010, 09:32 PM   #36
blackwhiteriot
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how do you hook those cables from those window up to the motor?
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Unread 10-06-2010, 09:46 AM   #37
gomes512
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It's been so long... I think it was just a plug harness connector.
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Unread 10-12-2010, 08:11 AM   #38
MuddSlutt
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nice write up... i bet it wouldnt hurt to do that even if it is working properly just to keep it maintained
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Unread 02-05-2011, 04:02 PM   #39
prune1
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just did this today. works perfect. great write up man.
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Unread 03-20-2011, 06:06 PM   #40
Ridin' Around
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Can anybody give me some insight on what voltages should be on which terminal?
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Unread 07-15-2011, 08:29 PM   #41
Compgeek789
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Mine was so stuck in the shaft I smacked it with a hammer as hard as I could, and it wouldn't move a budge.
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Unread 07-25-2011, 07:31 PM   #42
brntwood
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is there a "circuit breaker" or something on the board??

Hi all.

OK - This looks like a very logical fix for my kids grand Cherokee. But his symptoms are slightly different than the ones folks are describing here (stops half way - won't return etc)....... When he turns the wiper on - the motor (tries) to run for 1/3 second or so - (with a click sound out of the motor) but the wiper only moves a VERY tiny amount (1/4" or so) Turn off the switch and try again - with the same very small movement and a click sound. My logic is that maybe the shaft is completely seized and a relay or "circuit breaker" is sensing the extra drag (from a seized shaft??) and then shutting down the motor. ????? Any thoughts from anyone??

I already pulled the motor assembly and removed the board etc. (but I stopped there...... and put it back together. (I tried to move the gear (very gently) to see if the motor (with the worm gear) would move---it did NOT! I'm guessing the shaft is seized and the board is "clicking" trying to move it. (whatcha's think?)

Thanks!
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Unread 07-26-2011, 05:59 AM   #43
bigbill888
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Why did you stop at the circuit board? That is what the procedure does: unsieze a siezed wiper motor.
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Unread 07-26-2011, 12:21 PM   #44
brntwood
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Actually.... I did this all BEFORE I looked and saw this thread. (When I didn't see anything real obvious - I wanted to look and see (more information) BEFORE I started to monkey around (blind)
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Unread 07-27-2011, 07:15 PM   #45
Compgeek789
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I did that. It was too corroded to move out of the shaft. When it finally mushroomed, I was able to move it out by about 3mm every heavy strike with a hammer. I couldn't even move the gear left or right. So, $60 for a new one.
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