This morning when i was driving to buy books for school....i noticed that the mph gauges would not work....but the other gauges such such as the rpm, temperature, and gas ones work fine....But the mph would not move at all.....thenn finally after 10 min of driving the mph gauge moved up to 20 mph when i was on the free going around 70mph.....hten when i slowed down to a complete stop at a stop light the need was stuch on 20 and did not move completely down.....can anybody hepl me what to do....?i never touch or messed with the gauges before....

 

Take it out and check the wire contacts