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Old 05-24-2007, 09:17 PM   #1
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Default Gauge cluster going hay wire

I have a problems, I believe I think my ECM is going bad, all the gauges on my 1993 SSEI Bonneville keeps flucuating back and forth along with the instrumental gauges flickering like its resetting and setting itself, what can cause this. It will chime due to the LED gauges flickering and all guages except the speedometer and tach are going nuts. Has anyone else had this kind of problem before.
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Old 05-24-2007, 09:20 PM   #2
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Old 05-24-2007, 09:35 PM   #3
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Quote:
Originally Posted by Bonneville94V688
Wow, thats seems like a pretty hard procedure, why would it just all of a sudden just start flickering like that. So the cluster gauge is not ran by the computer and if a bad computer was to act up, it wouldnt make the cluster flicker or all the guages to go haywire. - thanks for that info.
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Old 05-24-2007, 09:42 PM   #4
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Look for the ground bus connector article also. Both can be your problem. 95% certainty it'* one or the other.

The cluster procedure isn't as difficult as it sounds. It'* about a half-day to a full day, easy relaxed work pace.
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Old 05-24-2007, 10:47 PM   #5
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Quote:
Originally Posted by willwren
Look for the ground bus connector article also. Both can be your problem. 95% certainty it'* one or the other.

The cluster procedure isn't as difficult as it sounds. It'* about a half-day to a full day, easy relaxed work pace.
Thanks Wil - I will print out that forum and do my best to follow the instruction you gave me and hope I dont break nothing (like plastic pieces) - ha ha right!.
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Old 05-24-2007, 11:35 PM   #6
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You won't break plastic unless you do it in frigid cold winter conditions. Don't sweat it. Get some beer, relax, and giterdun.

You won't believe me now, but you will after you do it and fix it, it'* very much worth the time and will give you alot of satisfaction, self-confidence, and a hangover the next morning.
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Old 05-25-2007, 09:14 AM   #7
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Half day to pull and check the cluster? OMG Bill... how many beers to do you think this project is rated for? It only took me 3 and about 2 hours my first time out.

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Old 05-25-2007, 09:24 AM   #8
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He'* got alot of attention to pay to that sucker as he disassembles the layers. Never rush that. Organize your screws, and take pics as you go.

That'* one job I don't try to set speed records on. Replacements are very expensive.
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Old 05-25-2007, 09:31 AM   #9
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True...I've done it too many times and am forgetting the first time looking at all of it.

Overall though..it'* a very easy process. Step by step. I took pics the first time to ensure I knew where everything went. Only remove the gold screws. The black ones hold the connectors to the circuit board and do not need to be removed.
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Old 07-30-2007, 03:58 PM   #10
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Quote:
Originally Posted by BillBoost37
True...I've done it too many times and am forgetting the first time looking at all of it.

Overall though..it'* a very easy process. Step by step. I took pics the first time to ensure I knew where everything went. Only remove the gold screws. The black ones hold the connectors to the circuit board and do not need to be removed.
Okay I did everything that was told and even cleaned out the whole back piece and A/C ducts and even put dieelectric grease on the terminals, there were only 2 terminals on the back of mine and no corrosion of any signs. I looked at the circuit board and could not find a trace of anything. Should I buy a new cluster?
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