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Home >> Honda >> 1977 >> Civic Base, 2D Hatchback, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Exhaust Emissions System - Throttle Control System >> Description >> Speed Sensor >> California & High Altitude

California & High Altitude

The speed sensor, which is essentially an oscillating coil, is assembled in the speedometer. This sensor is operated at a predetermined vehicle speed by the sealed plate rotating with the speedometer shaft.