When the battery light is on. That means your charging system isn't working. You should have your system check. It will drain your battery.
A few causes that will make the Battery Light come on are: 1. Faulty Battery 2. Loose Battery Connection 3. Battery is not Charging, ie. Faulty Alternator
There is a problem with the charging system. More than likely the alternator is failing.
reset battery no charge light after battery replacement.
The battery light indicates the system is not charging. Have the charging system checked. If the alternator is not charging, the engine will quit running and leave you stranded.
The battery light comes on when the charging system voltage drops below 12V. If your light is on all the time, have your charging system checked because it probably is not charging the sytem.
Have the charging system checked. The light comes on when there is a charging system problem. it may be a battery, alternator or a battery problem.
The charging warning light should automatically reset if the battery is disconnected. Check the battery cables and ensure they are properly connected. Also check the alternator connections. If the light is still on there may be a problem with the new alternator.
It means something is wrong with your charging system. Can be a loose of corroded battery cable, defective alternator or a battery with a dead short.
1. Alternator charging system malfunction.. [not charging enough]
NO. The battery light as you call it is actually the charging system light. If it is staying on the charging system is not working properly. More than likely the alternator has failed. It really has very little to do with the battery.
The battery light stays on when the alternator is over or under charging.