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Unread 08-30-2011, 08:24 PM   #1
Aaron0028
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2000 TJ Wrangler 
 
Join Date: Aug 2011
Location: Tucson, Arizona
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2000 4.0l tj gauges not working

Last night I went out to get an engine code from my tj, I did this by pressing in the odometer button then turning the key to on (not start) then off then on then off then on and the gauges lit up and started to move. The rpms went to 1k then 2k ect all the way to 6k all the other gauges did the same and in the odo window it read 1111111 2222222 all the way to 999999. When I went out this mourning to move it none of the gauges worked! Anyone else have this happen to them? I'm hoping for a quick simple fix, thanks

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Unread 08-30-2011, 09:39 PM   #2
navy4life
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1999 WJ 
 
Join Date: Dec 2008
Location: Rogers, Arkansas
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Take the gauges out and bend all the prongs on the back a little bit to give them a better connection. TJ's had a problem with this, the TJ I just sold had the same thing happen.
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Unread 08-30-2011, 10:01 PM   #3
Aaron0028
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anyone know how to just reset them, if their even is a way without having to take anything out???
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Unread 08-31-2011, 02:06 AM   #4
Jonny Jeep
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1997 TJ Wrangler 
 
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You can't get engine codes from 98-00 model years. By pressing the odometer button you put the cluster into the actuator test.

Cluster not coming on could be caused by a blown fuse as well as a problem with the cluster connectors. I can't tell you which fuses to check as i'm on my mobile. Check the wiring diagrams in the FSMs linked in my sig.

Edit: Back home now. Your cluster gets constant power from fuse 25 in the underhood PDC, and switched power from fuse 10 behind the glove box. Check them first as it's the simplest and cheapest thing to do.
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Rockauto 5% discount code can be found here... http://www.markviii.org/LOD2/products_services.htm

Online factory service manuals (FSMs) and parts lists can be viewed at http://www.jeep4x4center.com/knowledge-base/index.htm
If the link doesn't work properly, look for the service manual link under Jeep Resources at the bottom of the page.
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Unread 08-31-2011, 08:08 PM   #5
Aaron0028
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seems like the gauges should still work cause whenever i do the test where all the gauges move they still work??? but when driving they dont?
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Unread 09-01-2011, 12:45 PM   #6
Jonny Jeep
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The cluster test is just to check that all gauges and cluster controlled lamps are operative. When driving the PCM tells the cluster over the data link connector what position each of the gauges should be in. It's possible you have a bad connection at the data pin at the rear of the cluster. If you search there are threads on the forum about cleaning up the cluster connectors.
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"Giving English to an American is like giving sex to a child. He knows it's important but he doesn't know what to do with it."
Adam Cooper (19th century)

Rockauto 5% discount code can be found here... http://www.markviii.org/LOD2/products_services.htm

Online factory service manuals (FSMs) and parts lists can be viewed at http://www.jeep4x4center.com/knowledge-base/index.htm
If the link doesn't work properly, look for the service manual link under Jeep Resources at the bottom of the page.
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