heavy duty service truck bodies_motor and transmission

The transmission input speed sensor is an electronic device that measures the speed at which the input shaft of the transmission is spinning. The input shaft is connected to the engine's output shaft through a torque converter in automatic transmissions. By providing real-time data about the rotational speed, this sensor helps the vehicle's engine control unit (ECU) make informed decisions regarding shifting, fuel management, and overall engine performance.


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Resistors are one of the most fundamental electrical components. They limit the flow of electric current and are measured in ohms. Resistors are critical for controlling voltage and current levels in circuits, ensuring that delicate components do not receive excessive power that could lead to damage. For example, in a simple LED circuit, resistors protect the LED by limiting the amount of current that flows through it, thus extending its lifespan.


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