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Supporting Member
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4,628 Posts
Pretty sure the needle came out of my Tach the temp and oil gauges work,so I'm pretty sure it's just the gauges
The needles are a press in fit. The speedo is not electric, so failure mode there is more likely the cable or driven gear. Gas gauge issues are usually the sender in the tank or a ground near the tank.

Best bet is to trouble shoot each issue independently, so you're just not throwing money at it.
 

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Premium Member
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486 Posts
Very often, intermittent or non-operative gauges in these vehicles turn out to be either of two things: the nuts holding the gauges into the cluster panel have corroded or loosened, or the printed circuit contacts against which the cluster connectors fit are dirty or corroded. In the former case, simply loosening then retightening the nuts breaks through the corrosion and restores operation. In the latter, using a pencil eraser on the copper traces that contact the connector in the pod cleans off the corrosion. You might have to work the gage cluster around a bit while putting it back in the pod to restore full connectivity. The gauges, theirselves, rarely fail. Here's a link showing how to hardwire burned PC traces on the PC flex circuit: http://web.archive.org/web/20060113...~k0xp/Oldsmobile/HardwireChevyGagePanel-a.htm
 
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