Hi folks. The first job I need to do I think is replace the alternator on my legnum.

The battery discharges and goes dead while the engine is running.
Putting a multimeter to the battery shows only 12v or just over but the battery light doesn't come on on the dash.

Would I be right in thinking the alternator is putting out just enough current to satisfy the warning light and not much else (lazy), or is there another issue that I might be overlooking?

Also, I've got a 100amp fitted presently and considering upgrading to a 120amp version sourced from viamoto.

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