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My Digital Instrument Cluster stopped functioning.

(1992 Chevrolet Astro)
in Trout Creek, MT on February 23, 2012
Left hand side is black the right side,including speedometer and op and temp gauges are very dim and confused. All other electrical including lights work,trip meter OK, dimmer works on remaining dash lights(heater controls etc)checked fuse OK,thumped on dash,no result.
Would the wiring relay(where is it located?) have anything to do with this? Or can assume the the cluster just went south?
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Popular Answer
Your tests all seem validly leading to an instrument cluster failure. There is a company that independent auto repair shops get their information from, this same information is available inexpensively for people that work on their own cars.. The information is year make and model specific, covering repair procedures, torque specifications, fluid capacities and specifications, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online
Perhaps with Allata instructions you can remove the cluster and see what terminals on the printed circuit should have power and ground to illuminate the instrument cluster.
of Greg's Orange Auto on February 24, 2012
THERE ARE ISSUES WITH THE CHEV INST CLUSTERS ON SEVERAL CHEV MODELS IT SOUNDS LIKE THIS IS ONE
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