Tachometer

The tachometer is an analog gauge that is located in the Instrument Panel Cluster (IPC). The tachometer is operated by the IPC with software control. The VCM/PCM sends Tach pulses to the IPC on a discrete circuit at the rate of 2 pulses per engine revolution with the engine running. The IPC will interpret the tach pulses in order to appropriately display the engine RPM on the tachometer.