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The tachometer cable may be faulty. The tachometer sensor, on the side of the engine might not be functioning properly.
A blown fuse.
If the tach wire shorted or melted.
no The tacho picks up pulses from the starter motor or ignition system.
you need a new onr they do this occasionally and then need to be replaced
On the back of the cluster board there is a resistor that burns out. If you take the board off you can see the burn marks on it.
Look at the glass and see if it didn't slip and that will stop the needle from moving, otherwise it will probably have to be replaced.
Look for a loose ground/connecting wire.
A bad ignition coil can cause your 1987 Acura tachometer to quit working. A bad tachometer cable or ground wire can also cause it to quit working.
If it isn't not working, then it must be working properly.
fuse to the dash gone ???
The tachometer may not be working on a 1995 Chrysler LeBaron because the cable may be bad. Check to ensure the cable is not broken or kinked.