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Unread 07-10-2011, 07:52 AM   #1
Hemimonster425
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2014 JK Wrangler 
 
Join Date: Dec 2010
Location: Youngstown, Ohio
Posts: 222
Getting ready to rip all of my hair out HELP PLEASE

1998 JGC 4.0 if i let it sit for a day or two battery drains. I figured out that it is the number seven fuse which is the cluster fuse anyone else ever have a problem and figured a solution?

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Unread 07-10-2011, 09:07 AM   #2
ZombieJeep93
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1993 ZJ 
 
Join Date: Sep 2010
Location: westminster, co
Posts: 125
Fuse 7 also powers the BCM (Body Control Module). The BCM controls most of the body related systems (headlights, auto headlights, vehicle theft, rke, interior lights, etc). This is the most likely cause of the problem. Its located on drivers side of instrument panel (dash) below the farthest left switch pod. You'll have to remove a panel or two below steering column to get to it. Unplug the connectors to it (3 of them, I think) and leave it unplugged for a couple of days and see if the battery still drains. The optional power amp is also powered by fuse 7. That should be under the rear seat, possibly rt side. But start with BCM, thats usually the one to cause problems.
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Unread 07-10-2011, 09:44 AM   #3
JS97ZJ
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1997 ZJ 
 
Join Date: Dec 2009
Location: Dingmans Ferry, PA
Posts: 2,035
Rear hatch ajar switch is toast. It's keeping the BCM from going to sleep after the courtesy time out shuts down.

It might also be one of the door actuators, but this problem seems to be on the rise for some strange reason. .
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Unread 07-10-2011, 01:59 PM   #4
Hemimonster425
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2014 JK Wrangler 
 
Join Date: Dec 2010
Location: Youngstown, Ohio
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also none of the lights are staying on im going to unplug the bcm. I unpluged everything in the rear door i think that is where the problem is comming from any solutions
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Unread 07-10-2011, 02:20 PM   #5
tato1111
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1995 ZJ 
 
Join Date: Apr 2008
Location: South Park, CO
Posts: 380
Yea my drivers door just did this. i had to take the door switch off. The funny thing is that Everything still works the same.
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Unread 07-10-2011, 02:20 PM   #6
airwolf9090
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1996 ZJ 
 
Join Date: May 2011
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Posts: 570
I been having the power drain problem myself have you checked to see how many amps are being drained while its off? Mine is draining 3-5amps a min with it keyed off but if i open a door the amp drain goes to next to nothing a min and when i shut the door when the courtesy lights go out the 3-5amp draw is back..... So i just pulled the 7 fuse myself to see if it stops... I bet our two problems are the same thing so post back if you find out what it is....
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