C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Digital board for speedo on '88 model

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Old Oct 29, 2003 | 08:48 PM
  #1  
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St. Jude Donor '05
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Default Digital board for speedo on '88 model

Tonight I almost got dad's car back on the road. Once we fired it up, I noticed the lighting was not lit behind the cluster. I tapped on the bezel around the cluster and it lit back up. After talking to someone more knowledgeable about those gauge clusters, I was told that the board was probably on it's way out.

Anyone have this problem? If so, how much is the part? Can you get it rebuilt?

TIA

Mark
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Old Oct 29, 2003 | 09:35 PM
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Default Re: Digital board for speedo on '88 model (C4 Newbie)

I to had this same problem and it turned out to be a bad ground in the board.....it did take a little bit to find, but never the less....I did....There are many things it could be...it could just be the cable connections......Try removing the cable from the whole cluster itself and cleaning it.....also try cleaning the plug connections ....there are a few options....Don't spend hard earned money on something you don't need to gett until you have tried all avenues....And yes they can be redone...Mad Direct, Ecklers and such....I think it's an exchange thing....I have taken my cluster apart many times...it's easy...so don't be scared about doing it....it's no big deal...

Hope this helps
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Old Oct 29, 2003 | 09:39 PM
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Default Re: Digital board for speedo on '88 model (C4 Newbie)

Usually the ground pin from one board to another. Gets some corrosion on them and they start to become intermittant. Clean them up.. :chevy
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Old Oct 29, 2003 | 11:59 PM
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Default Re: Digital board for speedo on '88 model (69vetteracer)

There's another fix of just soldering a wire on the board to correct the ground problem. Let me see if I can find the link.

Jake
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Old Oct 30, 2003 | 12:14 AM
  #5  
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Default Re: Digital board for speedo on '88 model (JAKE)

I couldn't (again) get the link to come up but I can email you the files that has the instructions and photos on how to solder in the ground wire.

Let me know if you want them.

Jake
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Old Oct 30, 2003 | 12:32 AM
  #6  
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Default Re: Digital board for speedo on '88 model (JAKE)

It's most likely your light bulb not making good contact. You have 4 light bulbs behind that dash if it were not for these you wouldn't see a thing. If you do take this thing apart be very carefull.
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Old Oct 30, 2003 | 06:10 AM
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St. Jude Donor '05
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Default Re: Digital board for speedo on '88 model (JAKE)

Jake,

If you come across the link, that would be great. I tried a search but to no avail.

It's not a big deal, I'm sure I can take it out and find it, just would hate to go through the trouble of taking it all apart and find out that I missed something.


Mark
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Old Oct 30, 2003 | 05:29 PM
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Default Re: Digital board for speedo on '88 model (C4 Newbie)

http://batee.com/corvette/
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Old Oct 30, 2003 | 05:32 PM
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Default Re: Digital board for speedo on '88 model (88_vette)

It's most likely your light bulb not making good contact. You have 4 light bulbs behind that dash if it were not for these you wouldn't see a thing. If you do take this thing apart be very carefull.
:iagree:
This happened to me. Change all the bulbs so you don't have to take the Dash apart again.
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