Rear Hatch Switch
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Senior Member
Joined: Mar 2016
Posts: 707
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From: AV Kalifornia
Year: 1996
Model: Grand Cherokee
Engine: 4.0
does the rear hatch have a "door open" indicator switch like what the doors have? if so, can you tell me where it is located? Thanks.
Old fart with a wrench
Joined: Nov 2010
Posts: 14,398
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From: Manlius, east of Syracuse, NY
Year: 2000 XJ Sport & WJ Laredo
Model: Grand Cherokee (WJ)
Engine: 4.0L
IDK about your 96, but my WJ has 2 latches on the hatch with switches on both. I'll assume yours has 1 on the latch itself. And yes, it displays on the VIC and turns on the interior light if not latched.
CF Veteran
Joined: Aug 2008
Posts: 6,588
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From: Chico, CA
Year: 1986
Model: Cherokee
Engine: 4.3L with headers and full 3" exhaust system
I have an 86 that has wiring for a rear dome light. I believe that circuit is what operates the door open switch. It is hooked to the latch itself inside
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Joined: Nov 2015
Posts: 2,863
Likes: 201
From: syracuse ny
Year: 1997 230,000 miles
Model: Grand Cherokee (ZJ)
Engine: 4.0, new lifters valve job with new springs and exhaust valves, preload set with shims
To be honest I know either the window or the hatch has a 'door open' switch, cause if it's hosed, your alarm won't set. I can't recall off the top right now where it is...maybe in the latch itself...I think I recall the switch is known to fail and I worked around it by wiring the wires together and bypassing it. Sorry am so foggy on it .
Old fart with a wrench
Joined: Nov 2010
Posts: 14,398
Likes: 741
From: Manlius, east of Syracuse, NY
Year: 2000 XJ Sport & WJ Laredo
Model: Grand Cherokee (WJ)
Engine: 4.0L
Okay, here's what I've got on my 2000 WJ. The rear hatch latches (2) have switches screwed to them that can be removed. They are simple plunger-type micro switches. My door latches have switches built into them so you have to buy new latches. If ANY of these switches don't set when the doors and hatch are closed, the interior lights stay on and the VIC will tell you which is open. The VIC display is turned on thru the BCM. The rear hatch switches have to be tied down to show latched, but the door switches can just be unplugged.
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Joined: Nov 2015
Posts: 2,863
Likes: 201
From: syracuse ny
Year: 1997 230,000 miles
Model: Grand Cherokee (ZJ)
Engine: 4.0, new lifters valve job with new springs and exhaust valves, preload set with shims
Am actually having the same issues with mine too. The FSM has a wiring diagram in the VTSS sections. On my 97 if you access the BCM under the dash you can then use the diagrams to test the pins on the BCM and figure out which sensors are not what they should be. My project today.
By the way on mine the Door Ajar switch for the hatch is a microswitch in the hatch latch itself.
UPDATE: SAVE SOME TROUBLE, JUST DISCONNECT THE SWITCH AND SEE IF THE VTSS GOES BACK TO NORMAL. You can just cut one of the wires. Close the other doors and see if the alarm sets. IF SO, THE SWITCH IS BAD. My lesson learned after ripping apart the dash it led me to the rear door ajar, disconnected it and the signal went from +12 to 0vdc. SO the switch is open in the 'door ajar' position, just like all the other doors. Just disconnect it and it thinks the door is shut.
That being said, if the rear hatch is closed but not closed all the way, (you have to really slam it) it will also indicate open. SEE below post.
By the way on mine the Door Ajar switch for the hatch is a microswitch in the hatch latch itself.
UPDATE: SAVE SOME TROUBLE, JUST DISCONNECT THE SWITCH AND SEE IF THE VTSS GOES BACK TO NORMAL. You can just cut one of the wires. Close the other doors and see if the alarm sets. IF SO, THE SWITCH IS BAD. My lesson learned after ripping apart the dash it led me to the rear door ajar, disconnected it and the signal went from +12 to 0vdc. SO the switch is open in the 'door ajar' position, just like all the other doors. Just disconnect it and it thinks the door is shut.
That being said, if the rear hatch is closed but not closed all the way, (you have to really slam it) it will also indicate open. SEE below post.
Last edited by 97grand4.0; Apr 22, 2017 at 04:00 PM.
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Old fart with a wrench
Joined: Nov 2010
Posts: 14,398
Likes: 741
From: Manlius, east of Syracuse, NY
Year: 2000 XJ Sport & WJ Laredo
Model: Grand Cherokee (WJ)
Engine: 4.0L
I forgot to mention that all the doors must be latched and the key removed for the alarm to set.
Thread Starter
Senior Member
Joined: Mar 2016
Posts: 707
Likes: 20
From: AV Kalifornia
Year: 1996
Model: Grand Cherokee
Engine: 4.0
thanks guys. i have a slow electrical drain and i suspect its the door closed indicators which then activate the BCM. i did find the rear door latch closed circuit by removing the hatch skin and the wires were right there connected to the latch itself. i unplugged the connector. i also disconnected the other 4 doors. the alarm has been bypassed. i will know if a few weeks if this solved it or not (leaving town for work so wont be back for a bit). thanks.
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Joined: Nov 2015
Posts: 2,863
Likes: 201
From: syracuse ny
Year: 1997 230,000 miles
Model: Grand Cherokee (ZJ)
Engine: 4.0, new lifters valve job with new springs and exhaust valves, preload set with shims
thanks guys. i have a slow electrical drain and i suspect its the door closed indicators which then activate the BCM. i did find the rear door latch closed circuit by removing the hatch skin and the wires were right there connected to the latch itself. i unplugged the connector. i also disconnected the other 4 doors. the alarm has been bypassed. i will know if a few weeks if this solved it or not (leaving town for work so wont be back for a bit). thanks.
As far as your battery drain, been there done that too. Seems any one of the lock cylinder switches on the two front doors or rear hatch can hang, and then the system won't arm because it shows the key in the 'unlock' position. This causes the bcm to leave interior lights on and or not power down all the way. Fix for me was some boneyard switches but they sell them on rockauto. $22 ea. That brought the drain current down to about 14ma which is where it should be.
Last edited by 97grand4.0; Apr 22, 2017 at 03:59 PM.
CF Veteran




Joined: Nov 2015
Posts: 2,863
Likes: 201
From: syracuse ny
Year: 1997 230,000 miles
Model: Grand Cherokee (ZJ)
Engine: 4.0, new lifters valve job with new springs and exhaust valves, preload set with shims
I realize I left the headlights on, then turned them off, then tried to set the alarm. So it didn't like that sequence. Put the key in, took it out, (with the headlights off) and the alarm sets like normal. So I had disabled the right switch in the liftgate latch after all.
Reedit: My problem was that both the passenger side actuators don't work. They make a sound like they work but dont. Also the Drivers door ajar switch was shot.
Last edited by 97grand4.0; Apr 28, 2017 at 03:43 PM.


