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What are the components of a speedometer?

1 Answers

VanKate

08/26/25 4:14am

Speedometer consists of a speed meter that indicates the vehicle's driving speed and an odometer that records the distance traveled by the vehicle. Here are the detailed introductions: Classification of speedometer: Speedometers are divided into three types: purely mechanical, mechanical-electronic, and purely electronic. Currently, the widely used type in domestic vehicles is the purely electronic speedometer. Its principle is to install a speed sensor on the transmission output shaft or wheel, and use the read speed to convert into vehicle speed and mileage through the calculation formula embedded in the control module. Common faults and causes of speedometer: Unstable speedometer pointer is mainly caused by poor flexible shaft, damaged meter, or improper installation of the flexible shaft's locking nut. The flexible shaft, meter should be replaced, or the installation method of the flexible shaft nut should be changed.

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