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

dash problem

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Old Feb 9, 2006 | 09:27 PM
  #1  
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vmdr
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From: Walla Walla Washington
Default dash problem

This is an '87 automatic.

The dash is not lighting up. I can still see whats going on very faintly, but just barely. Also the dash lights for both the turn signals and the high beams are on while this happens. This happened once for just a second, I fiddled with the key and it got better. It happened again this morning and has been like this ever since. All my fuses are good, if that helps. Do I need a new dash or what? Thanks
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Old Feb 10, 2006 | 12:32 AM
  #2  
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VtVette
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From: Las Vegas Nevada
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Sounds like it's time for a rebuild. You can either do it yourself or have it done by one of the several shops that offer the service. IIRC when the directional and high beam indicators light up it is backfeeding due to a bad ground on the circuit board. Try a search here for "digital cluster repair" or simmilar and you should find some very informative threads. There are some excellent online documents that cover diagnosis and repair of most cluster problems.

Rarely do you need to replace the entire cluster, they can be troublesome but just about every problem is repairable.
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Old Feb 10, 2006 | 12:48 AM
  #3  
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MNorlander
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From: Pleasanton California
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I have the same problem, but I don't have time to fix it. I understand there is a way to tear apart the dash and get at the ground which most commonly fails.
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Old Feb 10, 2006 | 05:03 AM
  #4  
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86PACER
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From: Santa Maria CA
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I have yet to have a single problem with my cluster. Perhaps these can help someone here:

http://www.corvettemagazine.com/1999...ash/dashp1.asp

http://www.batee.com/corvette/dcrg/index.shtml
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Old Feb 10, 2006 | 08:00 AM
  #5  
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rick lambert
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From: seattle WA
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There's been so many post on this-first, I ordered Gordon Killebrews
book on our digi dash-great book for $30.

also take a look at this site-

http://www.corvettefever.com/howto/24899/

same problem as yours-and an 87 at that!
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Old Feb 10, 2006 | 08:54 AM
  #6  
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AGENT 86
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From: Summerland B.C. Canada
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I'll add this to the pot. http://members.shaw.ca/agent86/Instr...%20Cluster.pdf
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Old Feb 13, 2006 | 07:37 PM
  #7  
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vmdr
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From: Walla Walla Washington
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Hey thanks a lot guys, this is some very good info.
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