Sometimes it depends on the vehicle too. For instance, some GM trucks/Suburbans had problems with faulty ignition switches causing the dash guages/ speedo/Tach to go out, this also caused the transmissions to go into limp mode because the 12vdc power source is lost to the trans.
AnswerIf your gauges are electrical, then you have an electrical short, and you should have the vehicle inspected by an automotive electrical technician to ensure that you are safe, as electrical fires can occur in a vehicle even if you aren't using it. If your gauges are not electrical then, the cable that connects to the back of the speedometer goes into the transmission, your cables need to be replaced.
Have the instrument panel checked for a defective voltage stabilizer, this is located on the back of the cluster, on the printed circuit panel.
A bad compressor belt can cause a whistling noise while running the air conditioner. A bad engine can also cause this noise.
speed sensor
The steering nozzle is part of the PWC that can cause severe internal injuries while running.
Crank angle sensor
wheel balance
You've run out of fuel...
Around 800.
Some things that can cause a car to stall while driving it include a bad fuel pump, running out of gas, and low fuel pressure. A clogged catalytic converter can also cause this to happen.
Timer is not a speedometer, because speedometer is used to measures the instantaneous speed of a land vehicle, while timer is a specialized type of clock.
Not while running, but building and installing them caused some.
high stress while running long distance.like a shy football player running with his coach yelling at him.
Broken speedometer cable.