Where is the mileage stored exactly on the cluster circuit board? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 05-26-2013, 04:37 PM   #1
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Default Where is the mileage stored exactly on the cluster circuit board?

I know the mileage is not stored in the bcm on my particular model because if you put a different cluster in it changes the mileage. I understand the mileage is stored on the speedometer board but I was wondering in which module or chip it is stored in? I have included a pic of my speedometer circuit board and I was hoping someone could describe to me which componet actually stores the mileage? or save the pic paint a pointer to it and repost possibly?
Any help is greatly appreciate!
As for what I am doing is my board mileage screen went out and I cannot just replace the resisors like normal as there are tiny burn spots on it too bad to reinstall resisors so I am getting a new board but would like to transfer my mileage information to the new board as to not jepordize the mileage accuracy on my car. I am highly advance with sodering and boards so I don't think it will be an issue to r&r the storage spot if I just knew where it was located?
Thanks!!!!
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Old 05-26-2013, 05:30 PM   #2
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Can you post a pic of the back also please?
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Old 05-26-2013, 05:53 PM   #3
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here is a pic of the back I also included a closep picture of what I believe to be an eprom chip (the smaller chip in the center of the 2nd pic)
I am leaning toard tis being thchip I need to swap fom the other cluster but not sure yet?



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Old 05-26-2013, 06:20 PM   #4
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On my bonne it was removable without soldering
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Old 05-27-2013, 11:03 AM   #5
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On my bonne it was removable without soldering
but the thing is I don't know what "it" is for sure thats what I am posting about to see what to swap?
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Old 05-27-2013, 12:54 PM   #6
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but the thing is I don't know what "it" is for sure thats what I am posting about to see what to swap?
Is there a small PCB board that'* separate from the main board and appears to be attached via pins?
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Old 05-27-2013, 12:55 PM   #7
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Is there a small PCB board that'* separate from the main board and appears to be attached via pins?
Solderless pins btw
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Old 05-27-2013, 01:05 PM   #8
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Solderless pins btw
I see nothing like of which you are describing
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Old 05-27-2013, 08:44 PM   #9
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I see nothing like of which you are describing
Then your board isn't as user friendly. I got no clue from there
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Old 05-28-2013, 11:58 AM   #10
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Nice stack of cash in your picture.....
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