Mechanics

ALTERNATOR

1988 BMW 118d • 6 cylinder •

Engine is running, when I disconnect the negative terminal from the battery, the engine is still running. But when I disconnect the positive terminal from the battery, suddenly the engine is stop.
In a normal condition when the engine is running, even if I remove the battery from the car must be the engine continue running because of alternator give power to the engine.
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Bycicle
April 2, 2011.



Yes, the alternator will support the electrical system.