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

digital dash problem on 84 vette

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Old Aug 23, 2002 | 07:12 PM
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Default digital dash problem on 84 vette


Hey guys
quick digital dash question the display is so dim i can not see it at night and bearly make it out during the daytime, please help i am new to these cars and digital dashs.

thanks
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Old Aug 23, 2002 | 07:17 PM
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Sounds like your backlighting bulbs have blown out. If you remove the front plastic bezel you will see 4 small aluminum covers that you can pull out. Pull those out and turn the key to 'on'. Do the bulbs light up?
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Old Aug 23, 2002 | 07:20 PM
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Default Re: digital dash problem on 84 vette (colin84vette)

Its a common problem. The bulbs are Sylvania #882's.

Be sure not to touch the new bulbs when you put them in, finger oils make them burn hotter and they burn out quickly.
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Old Aug 23, 2002 | 10:16 PM
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Default Re: digital dash problem on 84 vette (vader86)

You can touch the lamps, just wipe them off with a q tip and alcohol after they are installed.
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Old Aug 23, 2002 | 10:23 PM
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Default Re: digital dash problem on 84 vette (colin84vette)

Before you so all that...make sure your headlight switch is turned UP all the way. (Clockwise)
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Old Aug 24, 2002 | 02:00 AM
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Default Re: digital dash problem on 84 vette (JonM)

thanks for all the input i check it out tommorow
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Old Aug 24, 2002 | 11:59 AM
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Default Re: digital dash problem on 84 vette (colin84vette)

For dash diagnosis, go here:
http://www.corvettemagazine.com/1999...ash/dashp1.asp

I had the same problem. Turned out that the connector between the top board and the bottom board had overheated, and was not making contact on the 12V side. I couldn't bend the contacts, so I stuck a flat wooden toothpick down in the space between the socket and the contact, and it has been working fine for several months.
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Old Aug 25, 2002 | 01:27 AM
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Default Re: digital dash problem on 84 vette (colin84vette)

I don't know about your 84, but I think that my 88 has a little sensor up by the upper left corner of the speedometer. I think that my owners manual told me that it was a little sensor that sensed when it was darker in the car and would make the dash light up more. You might look into that too. :cool:
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Old Aug 25, 2002 | 08:47 PM
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Default Re: digital dash problem on 84 vette (Black88Vette)

The dash has been fixed, all 4 backlight bulbs were burned out, thanks for all the help
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