Originally posted by sanmppa361
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Sähköjutuista en mitään tiedä, mut oon kopioinu itelleni cheat sheetin
"To fully charge in reasonable times, alternator output must be 14.2 V to 14.5 V as measured right across the battery posts.
Less than 14.3 would be a "weak" alternator or regulator. Much less than 14.2 at a fast idle is bad wiring, bad alternator or regulator, or a bad connection or fuse link.
With the engine just shut off, the battery voltage should be 13.2 volts to 13.8 volts. The exact voltage varies with the battery, how quickly you read it, and the state of battery charge. This voltage is not too important because the battery will slowly and steadily settle to a new voltage that indicates the true state of battery charge, but the voltage measured right at engine shutoff is a very clear indicator if the alternator or charging system is charging. If the voltage is over 13.2, the battery was just being charged."
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