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How do you switch out the main board on a gadge cluster

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Old 06-11-2009, 05:20 PM   #41
Mike99FRC
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I know what an EPROM is and think I've answered the question in the previous post.

Yes, you can transfer that board to another cluster and transfer the mileage. Somewhere in this thread someone agreed that they had done it succesfully.
Ok thanks. Does that green board control the DIC too? That's the problem I'm having right now. If not, i'll just buy a cluster on the auction site and transfer that board on my old cluster to the new one. Also does that chip come out or can I just swap boards?
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Old 06-12-2009, 03:04 PM   #42
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I know what an EPROM is and think I've answered the question in the previous post.

Yes, you can transfer that board to another cluster and transfer the mileage. Somewhere in this thread someone agreed that they had done it succesfully.
Sorry, I wasn't implying anything. Most people wouldn't have a clue, so I apologize.
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Old 06-12-2009, 10:10 PM   #43
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....Somewhere in this thread someone agreed that they had done it succesfully.
I'll just continue to sit here in my corner, with my donor Z06 cluster showing the proper mileage in my '99... continue the discussion.
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Old 06-13-2009, 03:10 AM   #44
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I'll just continue to sit here in my corner, with my donor Z06 cluster showing the proper mileage in my '99... continue the discussion.
And you swapped the main mother board NOT the smaller board correct?

Tim
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Old 06-13-2009, 08:11 AM   #45
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And you swapped the main mother board NOT the smaller board correct?

Tim
Last weekend I tried swapping out the small board and it did not change the mileage, I think you need to swap the mother board and on the 97,98 and early 99s the mother board will not have the HUD connection
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Old 06-13-2009, 07:21 PM   #46
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Originally Posted by schpenxel View Post
The one on the bottom left of the cluster as seen in this picture has odometer information on it. The actual info is just on the black chip you can see on the right middle of that board

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Originally Posted by chevy406 View Post
I did a quick write up and pictures to show how to remove the DIC circuit board, which also is the odometer. I did this procedure when I added HUD and a Z06 cluster to my '99 FRC. That way I kept my '99 171k odometer in the Z06 cluster, and left the 8k mile odometer to sit in my attic...

http://forums.corvetteforum.com/c5-t...post1570380674
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Originally Posted by vette.mix View Post
Last weekend I tried swapping out the small board and it did not change the mileage, I think you need to swap the mother board and on the 97,98 and early 99s the mother board will not have the HUD connection
OK so it's two to one....

Tim
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Old 06-13-2009, 11:42 PM   #47
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I didn't touch the smaller circuit board in either of my clusters...
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Old 06-15-2009, 05:44 PM   #48
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Vet.mix and I have a 1998. So Anybody prior too 1999 cant just change out the board because we have non hud circuitry. So Go to a tech 2 person, and pay the few hundred bucks... I wish it was that little circuit board on the left, but oh well.
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Old 06-15-2009, 05:45 PM   #49
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Also the check engine light has to be relocated too. Just too let you all know.
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Old 06-16-2009, 02:03 AM   #50
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/\ Good info! FYI some earlier 99's may or may not have the HUD connector.

Tim
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Old 08-14-2009, 02:55 PM   #51
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Also the check engine light has to be relocated too. Just too let you all know.
I think you mean the Airbag light has to be moved, not the CEL.
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Old 06-01-2011, 03:00 PM   #52
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If your DIC has stopped working, it is the small green circuit board in the last of the above pictures (lower left corner).. This also stores your mileage information.

If you replace this circuit board, whatever mileage is in the replacement board is what your DIC will now display.

g
I had the same problem with my cluster so I bought a new one that worked, swapped in the board behind the fuel gauge from the cluster that didn't work and the DIC still worked and the mileage was still the same. Has this worked for anyone?
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Old 03-13-2016, 01:37 PM   #53
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Awesome Dave, thanx a bunch!!

Between this Thread and I believe two others, no one seems to give a diffinitive answer on this. It would be nice for owners to just swap a board into a new IPC rather then having to get it reprogrammed...

BTW I'm kinda partial to my 99...

Tim
Om a C5, the odometer mileage, odometer functions (trip mileage, resetting) are on the eeprom U13 on the motherboard located between two large processors just above the DIC display. I did a complete writeup with pictures, suggested tools and other items to swap out the chip from your original vehicle IPC and install it on replacement IPC in the event your IPC needs to be replaced, and you keep your vehicle's original milage. A big reason I'm providing this info is there's only one Delco certified center in the US that will even accept the C5 cluster to attempt repars plus they charge $300.00 to just reprogram the mileage. All other gauge and cluster repair businesess I contacted that advertise GM / corvette cluster repair / reprogramming on the Internet, don't / can't do C5 clusters. This procedure is also one of the methods that certified centers use so I'm pretty certain it's legal (I spoke to a tech at that Delco center), as long as yoy're keeping your vehicle's eeprom with the vehicle on the replacement IPC. I added my info to an already very informative thread on how to take apart a C5 IPC and remove the mother board. Most of my info is on page two, but starts at bottom of page one: https://www.corvetteforum.com/forums...ter-dic-2.html
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Old 03-13-2016, 01:44 PM   #54
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Quote:
Originally Posted by Calgary View Post
If your DIC has stopped working, it is the small green circuit board in the last of the above pictures (lower left corner).. This also stores your mileage information.

If you replace this circuit board, whatever mileage is in the replacement board is what your DIC will now display.

g
Not to argue, but the mileage on C5s is on an eeprom on the motherboard, not the small corner mounted DIC sub board. The eeprom that holds and processes odometer related functions like mileage, trip mileage / resets, is on U13 on the motherboard, located between two large processors just above the DIC display. I did a complete writeup with pictures, suggested tools and other items to swap this eeprom in the event you need to replace your IPC with a used one, but still keep your vehicle's original mileage. https://www.corvetteforum.com/forums...ter-dic-2.html
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Old 03-13-2016, 01:48 PM   #55
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Agree on the legality issue and it's just a smart thing to do all around. BUT which board is the magic EPROM on, the Mother board or the smaller board on the lower left??????????????

Tim
It's (oodometer and related functions i.e. trip mmilage / trip reset), on the motherboard on eeprom U13. Did a complete writeup on it here (if Ialready replied to your inquiry elsewhere sorry for the repeat reply).
https://www.corvetteforum.com/forums...ter-dic-2.html
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