Question about 1989 Buick Riviera

1 Answer

ERRATIC DIGITAL SPEEDOMETER AND GUAGES DISPLAY

The digital instrument panel varies from instant on in warm/dry conditions to a dark display for up to five miles at which time it comes on performs as if nothing ever happened.

It may be temperature/humidity impacted but even that is not a sure thing.

It may be unrelated, but the climate controls are not working properly letting the car run heater at full force even on a 90 degree day.

The car has 103,000 miles, was recently purchased, but has a great service record and shows every sign of downright pampering!

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  • waltspuffer Mar 31, 2009

    I have a closely related problem with the speedometer. The dash lights will not come on, nor will the dome lights. Everything else works. Headlights,tail,turn, and the center control display. Could it be the speed or dash module. Gets dangerous as the gas guage is also not visable.
    thank you.
    WJK

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This is caused by a internal fault in the display and a very common issue with this dash and many ther GM cars from 86-90's, u can buy a rebuilt dash or have yours repaired, I have a number u can call and talk about your problem and get it repaired if u so desire

Toll free Number 1-888-803-8523 if you have any questions or to make shipping arrangements

Posted on Feb 27, 2009

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