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There could be a loose connection. However, I had the same trouble and it only grew worse. The electronics in the dashboard burned out and the dash needed to be replaced. This is expensive. There are companies out there that rebuild dashboard elctronics and you can buy one used. I think I payed close to 200$. Good Luck

I just had the same problem with the digital dash board. It all went out. Yes there are companies that rebuild them. I got an estimate on mine to get replaced and was over $300. I looked on EBAY and found the digital cluster for $10 and paid $15 for shipping. I found the instructions to replace it myself and after 2 1/2 hours, 2 cups of coffee and 3 cigs, it was itstalled and it works!! So check out EBAY for Chevy S10 digital dash, or just digital dash.

I had the same problem with my 94 Bravada. For a while, I could smack the dash and either the gauges or the speedometer would come back on, but eventually I lost them all. I didn't want to pay for the rebuild without trying something cheaper, so I tore out the electronic dash assembly and dismembered it down to the circuit board. I then got out my old soldering iron and touched each of the solder joints to remelt the original solder and renew the connections. After plugging the dash back in and turning the key on I was amazed that all of the lights actually came on. I couldn't wiggle it hard enough to make them go out!

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Q: The dash board lights in my 94 Bravada come and go does anyone know why?
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