Usually a faulty sending unit.
why would a speedometer stop working on a Mazda
Get to a shop quick.
We need to know which gauge stopped working.
Numerous gauges not working at the same time are a power issue. The instrument cluster needs to be removes so that the wiring and circuit board connections can be tested.
The most common reason for a 1996 Chrysler Cirrus odometer and RPM gauge to stop working is a fuse. If the fuse is removed from the dash and replaced, often times the odometer and RPM gauge will begin working.
starve causing death
If you have lost a sufficient amount of coolant this will stop the heater working because there will be no hot water in the heater rad.
Loose connection or blown sensor !
There are several reasons why a gas gauge could stop working. A short in the wire from the sending unit could be the culprit. The computer that controls the dashboard gauges could be going out.
coolant levels or the thermostat
It could be the fuse, but mine is because the floater that measures for the gauge is stuck.
Likely a bad ground in the relay