Issues with my 88' Grand Wagoneer's power windows, power locks and rear tailgate? - JeepForum.com
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Unread 05-22-2012, 07:55 PM   #1
ed1
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1988 FSJ Wagoneer 
 
Join Date: Sep 2011
Location: South Texas, Texas
Posts: 45
Issues with my 88' Grand Wagoneer's power windows, power locks and rear tailgate?

I'm new to Wagoneers so a few months ago I purchased a good 88' Grand wagoneer, the truck was a little abandoned for months I would say, maybe even years when I found out and bought it. Anyway, I've been slowly fixing it and I've come up with some issues regarding my power windows, locks and the rear tailgate and I'm looking for accessible solutions on this case. First the power locks don't work whatsoever, when I press the lock/unlock switch on the driver's or passenger side it won't do anything and the lock actuators are pretty hard. Second, my power windows, the front windows work fine although the passenger's side occasionally has hard time going down, like wanting to get stuck and the rear windows have power but they get stuck I have to use my hands in order to bring it back up, and again, it feels very hard. Finally, my tailgate, the window motor sounds good and strong, however it goes a little less than halfway down and I'm a little afraid to force it, also, the outside key lock for the tailgate doesn't work, it rotates all the way and it feels loose, I have to use the dashboard switch which works perfectly. Any ideas or suggestions on how to fix these little annoying problems? Thanks for your time.

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Unread 05-24-2012, 09:11 AM   #2
barlowchiro
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1980 CJ7 
 
Join Date: Apr 2012
Location: Renfrew, Pa
Posts: 10
Have you checked the lifter channel in the tailgate? Mine did the same thing. Motor would make noise but the window would only move so much and wouldn't go up all the way. Most of the time those channels are rusty and broken. Take off the carpet on the tailgate and remove the access panel, that way you can see what is going on in there. My guess would be the lifter channel. They are readily available at BJs along with the lifter seal. Pretty easy to install. If that is the case, while you are in there you can check on the wiring to the rear switch. May be a case of loose or broken wires. Could be the rear window switch, you can find those on ebay sometimes. If you are going to replace the lifter channel, I would suggest getting an aftermarket set of studs that are on the ends of the regulator arms. Makes it much easier to install and holds it better in my opinion. Very easy to replace. I have the contact info for a guy that custom makes these.
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Unread 06-03-2012, 11:16 PM   #3
ed1
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1988 FSJ Wagoneer 
 
Join Date: Sep 2011
Location: South Texas, Texas
Posts: 45
So we finished working with my Wagoneer's tailgate and yes the lifter and the side channels were filled with rust, it also needed plenty of lubrication. My tailgate window now works as it should, a little noisy for my taste but it finally works and I'm finally happy that I'm able to use my tailgate. Now, about my power locks. Is there a fuse or switch I should be looking for ? since I currently do not have any power locks and it would nice to be able to lock and unlock my truck. Thanks.
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Unread 06-04-2012, 03:20 AM   #4
RockRollin
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1990 FSJ Wagoneer 
 
Join Date: Apr 2012
Location: Grand Haven Mi, USA
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Probably start tracking components first. If you get no sound or action what so ever see if you have power at the drivers switch, if power there is good follow it down the line. It is tedious, but it also gives you a chance to clean all contacts on the way
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Unread 06-07-2012, 09:55 PM   #5
G-Wag
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1986 FSJ Wagoneer 
 
Join Date: May 2012
Location: , So Or
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I have an 86 wagoneer and all the seals seem to be getting old. My windows were sticking also. I had bought some lithium grease for the locks and hinges, so I sprayed some in the window channels, seems to work. But I was looking on line and found something called Sil-Glyde for door sealers.
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Unread 06-09-2012, 11:03 PM   #6
G-Wag
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1986 FSJ Wagoneer 
 
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Well I bought the Sil-Glyde, applied it to my door and window gaskets tonight. See how it it'll turn out in the morning, made the rubber look new.
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Unread 06-11-2012, 09:24 PM   #7
DotJumper
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1988 FSJ Wagoneer 
 
Join Date: Dec 2011
Location: McKinney, TX
Posts: 29
Welcome to my world! Same year...same problems. Will be keeping an eye on your thread for anything else you find. And will post if I find anything.

So far have confirmed the window motors are all getting full 12v. But the one lock I've checked so far is only getting 6v. Am trying to hunt down the missing 6v.

Have new felts and scrappers to be installed for the windows. Hoping this will help the problems go away.
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Unread 06-13-2012, 05:19 PM   #8
G-Wag
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1986 FSJ Wagoneer 
 
Join Date: May 2012
Location: , So Or
Posts: 55
Well the Sil-Glyde worked, windows work great. I will still have to replace a couple of seals which are too fear gone. Just bought myself a little time.
So for my driver side window, it won't go down! Looks like I'll be staying out of the drive-thru lanes for a while!
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Unread 06-13-2012, 05:20 PM   #9
G-Wag
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1986 FSJ Wagoneer 
 
Join Date: May 2012
Location: , So Or
Posts: 55
Well the Sil-Glyde worked, windows work great. I will still have to replace a couple of seals which are too far gone. Just bought myself a little time.
As for my driver side window, it won't go down! Looks like I'll be staying out of the drive-thru lanes for a while!
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grand wagoneer , power door locks , power windows , tailgate

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