CHEVROLET IMPALA INSTRUMENT CLUSTER GAUGES SPEEDOMETER

Is It A Cable In The Transmition Or Just A Fuse Of Some Kind? Quit Working Properly. Sometimes Stays On 0 And Sometimes Gives Me A Reeding...

My 2004 Impala's Speedo Was Working Fine And Yesterday It Stopped Working But The Odomete Is Still Works, What Can It Be And How Can I Fix...