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Hi. There should be a fuse panel up above the drivers feet, or set back a little further near the brake pedal. Fuses 10 and 14 in that fuse panel power the instrument cluster. I would check both of those fuses with a test light to verify power is a the fuses.
Ok. It is possible that the instrument cluster is not working. What you need to do next is to remove the instrument cluster so you can access the connectors on the back side. Then check to see if the cluster is getting power and and has its ground. If it does have power and ground, then likely the cluster is no good. Is that something you can do?