Computers not available?
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Computers not available?
I listened to part of a presentation at Corvettes at Carslisle where the presenter said computers for C4s are no longer available from GM, and rebuilt ones don't "talk" to the other one in the car. He mentioned something about how this resulted in the dash display not working or being able to be fixed. My display, '96 convertible, is now blinking out at times and I'm wondering if I am in this boat.
Melting Slicks
Joined: Mar 2008
Posts: 2,141
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From: Santa Maria, CA
I listened to part of a presentation at Corvettes at Carslisle where the presenter said computers for C4s are no longer available from GM, and rebuilt ones don't "talk" to the other one in the car. He mentioned something about how this resulted in the dash display not working or being able to be fixed. My display, '96 convertible, is now blinking out at times and I'm wondering if I am in this boat.
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Drifting
Joined: Feb 2005
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From: St. Petersburg, Fla.
I have seen some rebuilt ECMs but don't know about whether they communicate with the BCM or not. From browsing the forum I have noticed that it seems like the 90-93 units have more issues than the 94-96 ones, but that is just my perception - not fact based at all.
It sounds like your problem is in your cluster. Sometimes the connecting harness needs to be cleaned and the plug needs to be firmly reseated.
It sounds like your problem is in your cluster. Sometimes the connecting harness needs to be cleaned and the plug needs to be firmly reseated.
Melting Slicks
Joined: Mar 2008
Posts: 2,141
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From: Santa Maria, CA
Pro
Joined: Aug 2007
Posts: 668
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From: Austin TX
Instrument Cluster LCD dropping out
This thread goes through repairing cracked solder joints in the cluster that causes intermittent operation.
http://forums.corvetteforum.com/c4-t...-out-92-a.html
http://forums.corvetteforum.com/c4-t...-out-92-a.html
Racer
Joined: Sep 2013
Posts: 417
Likes: 11
From: Brigham City Utah
The display in my 1994 was dim and then gone completely. I replaced the display with this
http://www.ebay.com/itm/121237430447...84.m1439.l2649
and also the 5 bulbs behind it and all is fine now.
Karsten
http://www.ebay.com/itm/121237430447...84.m1439.l2649
and also the 5 bulbs behind it and all is fine now.
Karsten
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Joined: Jun 2010
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The display in my 1994 was dim and then gone completely. I replaced the display with this
http://www.ebay.com/itm/121237430447...84.m1439.l2649
and also the 5 bulbs behind it and all is fine now.
Karsten
http://www.ebay.com/itm/121237430447...84.m1439.l2649
and also the 5 bulbs behind it and all is fine now.
Karsten
