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How a Car Starter Works

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Here's how a starter works to start the engine on your car. The car starter provides rotational motivation to turn the engine over to begin the combustion process. It is an electric motor that sits between the engine and transmission, and connects to the flywheel (manual) or flex plate (automatic). When the starter solenoid is activated, a plunger moves the pinion gear to engage the flywheel/flex plate. Current is sent through the solenoid to the starter motor, which is a 12V DC electric motor. The motor's output is connected to a small transmission that reduces the gear ratio and multiplies...
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