Tachometre
The tachometre shows quantity of turns a minute of a cranked shaft of the engine. For this purpose it receives operating impulses from ignition system.
They are summarised by electronics and transferred further in the measuring mechanism of the device with an arrow.
At malfunctions it is necessary to check up a corresponding safety lock (head Kuzovnaja electrosystem) and conducting. Also the printed-circuit board of a combination of devices can be the malfunction reason. The tachometre cannot be repaired house means.
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