Electrical Fun - JeepForum.com

 
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post #1 of 3 Old 07-24-2010, 05:32 AM Thread Starter
pinstripefan90
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1994 ZJ 
 
Join Date: Jun 2010
Location: Grahamsville
Posts: 68
Electrical Fun

So I was wondering if any of you guys have run into this...I have a '94 ZJ and the other day I was pulling it into the shop and all the sudden my stereo, my digital hvac controls, and my information center went blank...no power to any of them, so I checked all my fuses in both the interior fuse panel and in the power distribution center, i don't have power to circuit breakers 26, 27 & 28. Chrysler DealerCONNECT won't show me diagrams or info b/c my vehicle is too old, I have just started looking through alldata and haven't looked into shopkey yet but I'm wondering before I start tearing things apart and tracing out wires, have any of you run into this problem. Also after messing around a little I realized my power locks, and power mirrors do not work as well plus my overhead display shows 0 degrees but still has the compass as well as all my fuel economy info, plus my security light on the dash is on but the jeep still runs and drives, everything worked previously until this incident, so if you guys have any tips or info I would really appreciate it.

-Jake

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post #2 of 3 Old 07-24-2010, 08:27 AM
ClimbStuff
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2003 TJ Wrangler 
 
Join Date: Aug 2009
Location: Trinidad
Posts: 1,229
If it was a major ground, the car wouldn't even start.... If you weren't getting power to the fuse panel, the car wouldn't start... if the fuses for each block are good, and power isn't getting to those specific blocks, then they must be all run through a relay somewhere... do you have relays in inside the fuse box too? Check those as well... if you have a relay activating all your in cab accessories, and it takes a crap, all your accessories will die at the same time... unless its a physical connection inside the box, that's the only logical explanation I can come up with w/o actually going at it with a DMM.
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post #3 of 3 Old 07-24-2010, 11:56 AM Thread Starter
pinstripefan90
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1994 ZJ 
 
Join Date: Jun 2010
Location: Grahamsville
Posts: 68
I actually just figured it out about a hour ago. I had a open, now I did what I would consider a hack job repair but I took apart the center part of the dash to look at the wires and check their continuity. Then I looked inside the rubber boots that hold the harness that goes into the door and I found a wire w/ the insulation pulled off it, checked it w/ my meter and it had no power, so then I grabber my power probe and gave it 12volts to see what would happen and then everything worked, so instead of pulling apart the dash and searching for the open I ran a jumper wire to 12volts and it works properly the way it should so I got it figured out but thanks for the advice.

- Jake
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