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Old 01-07-2009, 08:52 PM   #1
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eratic dash gauge drop out

hey guys I,m new and looking to see if you guys have encountered this and what the correction was. I have a 99 tj that gets an airbag light first then the check engine light followed by a drop out of all dash gauges, And a no bus in the odometer area. thanks in advance. Joey.

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Old 01-07-2009, 09:01 PM   #2
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check ur connections on the back of the gauge cluster (yes you will have to take it apart), clean it up, put some electric grease on there to prevent oxidation and see if that fixes it. The no bus is the common error given for bad connection for the dash.

search no bus.. there have been couple threads about this same exact problem.

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Old 01-07-2009, 09:33 PM   #3
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check your fuses they are in the glove box.
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Old 01-09-2009, 09:41 PM   #4
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I have a 2006 Wrangler 4.0L. I had a similar problem.

Sometimes when I would slow down at a red light, the air bag light would illuminate, then the check engine light would come on and all the gauges would drop to zero. The Jeep would still run fine, but no response on the cluster from any of the gauges. A few minutes later, the gauges would start working again.

I only have 20,000 miles on it, so I took it to the dealer. They kept it for two days and told me that they replaced the instrument cluster and the problem was fixed. As I was driving it home, the air bag light came on, then the check engine light came on and all the gauges dropped to zero. I took it back the next day(because I picked it up right at closing-doh!) and dropped it off again.

They called me to pick it up a day later and told me that they found a wire that was run along the steering column that had been rubbing and was shorting out against some metal. They fixed that and rerouted the wire and I haven't had any trouble with it since...
not sure if that's what is wrong with yours, but sounds like similar dilemma...
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Old 01-09-2009, 09:46 PM   #5
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Originally Posted by Triple88a View Post
check ur connections on the back of the gauge cluster (yes you will have to take it apart), clean it up, put some electric grease on there to prevent oxidation and see if that fixes it. The no bus is the common error given for bad connection for the dash.

search no bus.. there have been couple threads about this same exact problem.
98% of the time it is this connection. if you remove the cluster, and make sure the wire harness is in the right spot, move it out to make a better connection if you can and die electric grease is a good idea.
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Old 01-18-2009, 04:53 PM   #6
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thanks for the help guys, Ive taken the cluster out/ cleaned all the connections and re-installed to only have the same problem.
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Old 01-18-2009, 05:57 PM   #7
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don't they make a replacement pig tail for that now? i've had to reinstall them a few times before it works forever. it isn't necessarily a dirty connection, its that it doesn't make a tight connection.

take it out again, and push the wires from the back of the connector into the connector, and when you put the cluster back in, make sure it is sitting exactly right. you can then, without bolting it in, start it up and wiggle and push on the cluster and get an idea of where it wants to be.
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Old 01-18-2009, 09:45 PM   #8
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don't they make a replacement pig tail for that now?
I believe they do, can't remember what site I heard about them on but they do
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Old 01-18-2009, 09:47 PM   #9
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ya, the dealer should have a pig tail you might need to install.

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