DODGE RAMCHARGER INSTRUMENT CLUSTER GAUGES SPEEDOMETER NOT WORKING

My Speedo Doesnt Work When The Truck Has Been Runing For About 30 Min. And The Tranny Wont Shift Into Over Drive When It Does This. I Have...

I Have A 1990 Dodge Ram Charger That The Speedometer Doesnt Work I Pulled The Gauge Cluster Out And There Is No Place For A Speedometer...

I Have A Dodge Ram And The Speedometer Does Not Work, But Odometer Does, Been Told It Was The Speed Sensor On The Rear Differential, So I...