On a Cummins N14 engine, the tachometer sensor is typically located on the engine's front, mounted on the timing cover or near the flywheel housing. It reads the engine's RPM by detecting the rotation of the flywheel or a specific gear. This information is then transmitted to the tachometer gauge on the dashboard, allowing the driver to monitor engine speed accurately. Always refer to the specific service manual for detailed diagrams and exact locations.
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