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It provides the electrical current that allows the vehicle to start and powers the other components, like the ignition and fuel systems, which in turn create the combustion needed for the engine to operate. It recharges the battery after engine cranking or after the use of electrical accessories with the engine turned off. In older cars before about 1964 this was done with a generator. Identify the basic types of automotive wiring, types of terminals, and wiring diagrams.
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