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Go Back JeepForum.com > Models > Jeep Grand Cherokee & Commander Forums > ZJ Grand Cherokee Forum > Back windows go down, not up.

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Unread 06-22-2014, 12:48 PM   #1
ROFLwaffles
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1998 ZJ 
 
Join Date: Mar 2013
Location: University Place, wa
Posts: 158
Back windows go down, not up.

Help. 98 Niner.

Both back windows having the same issue. They roll down and up from my switches up front. But will only roll down from the back door switches, not up. I would normally think bad switch, but they both do the exact same thing. Child locks are off, and so is the window lock button up front. What are the chances that both switches have the exact same fault? Any ideas?

Or is there something obvious I am missing?

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Unread 06-22-2014, 02:06 PM   #2
xcaliber81
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1994 ZJ 
 
Join Date: Jul 2012
Location: Prince George, B.C
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Check the door harnesses for broken wires, thats all I got.
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Unread 06-22-2014, 03:27 PM   #3
dodge16vrt
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1998 ZJ 
 
Join Date: Apr 2014
Location: Cape Coral, Florida
Posts: 189
Could be the switches. Check for power going both direction at the window motor. If it is more than one window it could be the master switch.
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Unread 06-22-2014, 04:14 PM   #4
tirus89
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1993 ZJ 
 
Join Date: Sep 2007
Location: Boise, Idaho
Posts: 1,224
+1 for checking door harnesses! I had the same issue with the driver side rear door. A bunch of the wires were broken and shorting/grounding with each other. Checked the other doors while I was at it, and 3 of 4 doors had broken wiring. Redid the wiring, and everything is legit now.
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Unread 06-26-2014, 05:18 PM   #5
ROFLwaffles
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1998 ZJ 
 
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Location: University Place, wa
Posts: 158
Both wire harnesses and the wires inside are in good shape. They are both getting power as well. I am flummoxed.
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Unread 06-26-2014, 05:27 PM   #6
tirus89
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1993 ZJ 
 
Join Date: Sep 2007
Location: Boise, Idaho
Posts: 1,224
Did you check the harness inside the door, or inside pillars? You can swap the rear door switches to check the switches.
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Im a college graduate and employed and have a Haynes.

//93 ZJ//5.2L//NP249//K&N Fipk Gen II//2" BB w/BD AT Shocks//4.10's//31" Cooper Discovery STT's//Cstm Frnt Bmpr//Custom Rear Tube Bmpr//3" Magnaflow exhaust w/high flow cat//500RMS Pioneer Amp//600RMS 12" JL Audio Sub//
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Unread 06-26-2014, 05:34 PM   #7
ROFLwaffles
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1998 ZJ 
 
Join Date: Mar 2013
Location: University Place, wa
Posts: 158
Checked the harness going from the pillar into the door. Both are great. Like I said, if it were just 1 door, it wouldn't be strange. It's the fact that booth doors do it and everything seems to look and test fine that has me frustrated. Maybe I'll just buy new switches and see if that does it. It COULD be (pretty weird if so) that both switches have the exact same problem.
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Unread 06-26-2014, 05:43 PM   #8
tirus89
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1993 ZJ 
 
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Location: Boise, Idaho
Posts: 1,224
Snag one from the junkyard, cheaper than buying new. And sorry, I thought only one window was malfunctioning.
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Im a college graduate and employed and have a Haynes.

//93 ZJ//5.2L//NP249//K&N Fipk Gen II//2" BB w/BD AT Shocks//4.10's//31" Cooper Discovery STT's//Cstm Frnt Bmpr//Custom Rear Tube Bmpr//3" Magnaflow exhaust w/high flow cat//500RMS Pioneer Amp//600RMS 12" JL Audio Sub//
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Unread 06-26-2014, 06:23 PM   #9
jeepjeepster
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Join Date: Dec 2004
Location: , Ky
Posts: 2,077
Wonder if a broken wire in the front door could hinder both rear windows inop?

I had something odd happen in my 94 zj the other day. Its only happened once but Im sure it will be back. The rear drivers window just up and stopped working, wouldnt do a thing. Either from the rear switch or the front. Drove a little ways and it started working again. Been fine for days...
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Unread 06-27-2014, 04:01 PM   #10
chich
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1995 ZJ 
 
Join Date: Mar 2011
Posts: 91
Had issue where passenger rear window would only go down,turned out to be broken wire in boot on driver door.
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