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

cluster issue

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Old Mar 31, 2014 | 09:31 AM
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Default cluster issue

I just bought my first Corvette, a 1995 base coupe. A friend of mine was doing a clean-up on it and after pressure washing under the hood the dash cluster went on the fritz. It now kind-of flashes on and off, looking yellow/orange in color. Any ideas?
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Old Mar 31, 2014 | 09:41 AM
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Originally Posted by Mortsciguy
I just bought my first Corvette, a 1995 base coupe. A friend of mine was doing a clean-up on it and after pressure washing under the hood the dash cluster went on the fritz. It now kind-of flashes on and off, looking yellow/orange in color. Any ideas?
It's way to late now but "NEVER" pressure wash the under-hood on any '80+ model vehicle. Earlier than '80 I would discourage also but it's certainly not near the issue as to what you've done.

The under-hood needs dried out completely and I would guess that a hair dryer could help in some of the more accessible areas where there are connections.

What flickers? Just the display in the center MPH, fuel or what?

How does it run after?

Your location certainly isn't conducive to a "dry out" by using the heat of the natural sun.
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Old Mar 31, 2014 | 09:57 AM
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He drove it home from the car wash, and a few times since. Runs fine. The entire digital portion is affected.
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Old Apr 1, 2014 | 07:17 PM
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I know you do not want to read this...but if an answer from another Forum member does not fix this issue...or it self corrects itself due to moisture drying out...it would be in your best interests to call Gordon Kilebrew and ask him. I call him often when the Factory Service Manuals I have in my library do not give really detailed information. For me...he is "priceless" because I learn more really intricate working of systems of the car each time.


DUB
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Old Apr 3, 2014 | 11:44 PM
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Thank you WVZR-1 and DUB for your responses. Problem seems to be sorting itself out. I have noticed a "pass through" connector on the firewall, below the brake booster area. Somenone globbed what looks like a piece of "plumbers putty" on top of the area where the male and female halves come together, so it is suspect. I will clean that connectoer up, add dialectric grease, and go from there.
Kelly
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