Power door locks; locks but doesn't unlock... - JeepForum.com

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post #1 of 6 Old 04-16-2005, 11:14 AM Thread Starter
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1997 ZJ 
Join Date: Apr 2005
Location: Netherlands
Posts: 52
Power door locks; locks but doesn't unlock...

Hi guys!

I have a weird problem since today; while driving I hit the lock button on the driver door to lock all doors. While getting out, I didn't press unlock so my daughter couldn't get out the right rear door and she tried to open the slider-lock by hand. From then on, all of my doors won't power unlock!

When I press lock (either on remote, driver panel of passenger panel) all doors lock; no problem there. However when I press unlock; I hear small clicks in both front doors, but none of the doors unlock. I also noticed that the rear right door lock moves rather difficult when I try this by hand.

Could this be a defective rear right door motor? It also locks like the rest of the doors when I first manually unlock it (slider) and then press lock. I checked all fuses in the passenger foot area. Are there different fuses for locking and unlocking? Please help...

mrobers is offline  
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post #2 of 6 Old 04-18-2005, 04:52 AM Thread Starter
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1997 ZJ 
Join Date: Apr 2005
Location: Netherlands
Posts: 52
Yesterday spend most of my time trying to locate the problem. Removed the door panel and checked the motor; it seems fine. When I measure the voltage on the two pins to the motor, I find that it reads 12V when a lock-signal is received, but it doesn't give -12V when I unlock. Strange.

I removed the battery-cables and hold them together for about 15 seconds and then let them hang loose for about 15 minutes. After that; still the same problem.

I checked all fuses and circuit breakers; nothing. I really don't understand. I think I have to take it to the dealer but I don't have a good feeling about the knowledge of the Jeep-dealers here in the Netherlands.

No one has an idea?
mrobers is offline  
post #3 of 6 Old 04-18-2005, 09:29 AM
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Join Date: Apr 2005
Posts: 11
I've got a very similiar problem with my locks, but it's kind of a rare occurence for me. Have you looked into prices for new solenoids? Ebay might have something and you'll get a much much better price there than from a dealer.
kovachian is offline  
post #4 of 6 Old 06-30-2005, 12:32 PM
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Join Date: Mar 2005
Posts: 46
same but different

Im having the same problem as you except sorta the opposite. mine will only unlock, and not lock. did you ever find a solution to your problem?
lazierhobo is offline  
post #5 of 6 Old 06-30-2005, 12:48 PM
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2005 WK 
Join Date: Nov 2004
Location: Charlottesville, VA
Posts: 113
I would be interested to know as well what might be causing this. It happens occasionally both on the lock and unlock cycles. It has happened on a rear door and most recently the drivers side door did not lock after locking it with the FOB and when I went to get back in it I opened the door without first unlocking it so it set the alarm off. Scared me to death

2005 Grand Cherokee Limited
5.7-L V8 Hemi MDS 330 hp QuadraDrive II with ESLD
All the goods....Tow Pkg, SmartBeam, DVD, NAV, Rain Sense wipers

Finally installed: 18" JK Gladiator Wheels/Tires, RR2.5" Lift
SOLD: 1996 Grand Cherokee Limited Kevin's 2" BB 265/70R16Geolandar AT+II
GCooperII is offline  
post #6 of 6 Old 09-09-2007, 03:34 PM
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1998 XJ Cherokee 
Join Date: Aug 2005
Location: Reno, NV
Posts: 389
Found this in the archives from search and wondered if anybody had solution to this problem? My door locks are failing door by door
youngwon22 is offline  

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