Potentiometer 037907385M

Image is an example only, BRAND MAY VARY

A potentiometer in a car is an electrical component that is used to control the resistance in a circuit. It consists of a resistive element and a sliding contact that can be moved across the surface of the resistive element. In a car, potentiometers are commonly used in the throttle and accelerator pedals to measure the position of the pedals and control the flow of fuel to the engine.

When the accelerator pedal is pressed, the sliding contact in the potentiometer moves across the resistive element, changing the resistance in the circuit. This change in resistance is then read by the car's computer, which adjusts the amount of fuel being delivered to the engine accordingly. Potentiometers are also used in other parts of the car, such as the steering wheel, to control various functions such as audio volume and temperature.