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Unread 12-23-2010, 12:28 PM   #1
Chad07
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Dead Electrical Circuit

I seem to have a dead electrical circuit in my '07 Unlimited X. In the fuse box it looks like a single fuse powers the interior dome lights and the switch bank (hazards and esp off). None of these items work. Can't turn on the dome lights, no 4 ways, and can't turn off the esp. Fuses are all fine. Does anyone know where to search for a broken wire or loose connection in this circuit? Or is there a relay I am missing?

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Unread 12-23-2010, 12:41 PM   #2
muttytruckster
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If you have checked all the fuses, the quick and easy thing to do is unhook one terminal on the battery and let it sit for a minute or more and then hook it back up.
Might be worth a try, might not do anything but make you reset your radio stations.
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Unread 12-23-2010, 12:47 PM   #3
Chad07
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I replaced the battery about a month ago because it was getting weak. I had the problem before and still have it after the battery job. I will try it for kicks, but seems like there is an open spot in the circuit somewhere.
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Unread 12-23-2010, 12:53 PM   #4
ronjenx
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Anytime you disconnect the battery, disconnect the negative terminal first for safety reasons; even if you intend to disconnect only one lead.
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Unread 12-23-2010, 01:53 PM   #5
JK-Ford
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Quote:
Originally Posted by Chad07 View Post
I replaced the battery about a month ago because it was getting weak. I had the problem before and still have it after the battery job. I will try it for kicks, but seems like there is an open spot in the circuit somewhere.
It sounds to me that everything on that circuit doesn't work. In my experience, when everything is off on one circuit, the open spot is usually the fuse.
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Unread 12-23-2010, 07:04 PM   #6
Chad07
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I would love to find a problem with the fuse, but swapping in a new one does not change the situation. The connectors are still in place at the base of the fuse also, so I know the power is at least that far. Does anyone have an electrical schematic or a link to one online to chase wire colors, etc.? I can't seem to find one.
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Unread 04-20-2011, 09:32 AM   #7
Chad07
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Solution

I
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Unread 04-20-2011, 09:37 AM   #8
Chad07
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Solution

I know this is an old thread, but here's what I did to make it work. I found a good mechanic that would work with me for about 20 minutes with his access to schematics. He helped me find the right wire on the bottom of the power module/fuse panel. It was hot, so we took the dash apart and got to the back side of the hazard switch, found the wire that should have been hot (it was dead), we ran a new wire from the fuse panel to the hazard switch and tied the two together. Still fed through the correct fuse, all parts of the circuit now work fine. Great solution from the helpful mechanic, since there was no way we were going to actually follow the wire through the looms, plugs, splits, etc. Works like a dream. Thanks to those that suggested other fixes.
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