Your alternator is dead!
A red light on a WGP Synergy marker typically indicates that the battery needs to be recharged or replaced. Check the battery level and replace it if necessary to ensure the marker functions properly.
The red battery light indicates that the battery is not rceiving sufficient charge. Look for a loose belt or loose/dirty battery cable connection, or have the alternator and/or battery checked.
A red light on your smoke alarm indicates a potential issue, usually a low battery or a malfunction. If it's still beeping, it may be signaling that the battery needs to be replaced, or there could be dust or debris affecting its operation. Ensure you replace the battery and clean the alarm; if the problem persists, consider replacing the unit. Always refer to the manufacturer's instructions for specific troubleshooting steps.
Disconnect the red terminal on battery and let it sit for 15-30 minutes, reconnect the battery and check engine light should be off because the computer has been reset.
A red light means your DS is running low on battery, and needs recharging.
If it flashes red it means it has low battery, if it flashes green it means the battery is okay!
A red flashing light on a Droid usually means that your phone has 15% or less battery left and is about to die!
Red is positive black is ground.
That it needs to be charged or is running out of battery.
usually shows low battery....
A blinking red light is the adapter's way of informing you of a low battery.
The Milwaukee M18 battery light codes indicate the battery's status and can help diagnose issues. For example, a red blinking light may indicate a faulty battery, while a solid green light means the battery is fully charged. By understanding these codes, users can identify problems with the battery and take appropriate action.