triple diodes in alternator are bad
It's not charging the battery. Check the alternator.
Alternator is not charging. Have it tested and/or replaced.
You might have a bad battery, a poor connection between the battery and alternator, or a bad ground from the battery.
you need a new alternator
Battery light usually means alternator not charging. Most common solutions would be be a bad alternator, bad connection, or loose alternator belt. If the battery and alt test ok than check the connections to the alternator and battery.
possible battery drain, either bad wiring or alternator issue.
alternator. go to a parts store and have them test the charging system. must will do that for free
That would tend to indicate that the alternator was not charging the battery for that interval.
it indicates that the alternator is not functioning sufficiently to keep the battery charged.
If the alternator belt is tight, the alternator may be at fault.
When this light stays on, it is telling you the system is not charging. Possible bad alternator, battery, or loose or disconnected wire.
its the alternator if the car is running with a battery light on. but check fuses first