Have your alternator checked. It could also be a bad cell in the battery.
have an alternator, battery, and electrical check to find out what the problem is. battery may not be taking a charge, or the alternator is not putting out enough voltage.
more than the alternator diode is bad have the alternator checked
no.
battery is on its way out or its not charging properly
The battery isn't being charged
This light is warning you that there may be a problem with your battery. Have it checked.
Remove the positive terminal cable from the battery using your pliers or wrench.
If your 1997 Mercury Tracer has a battery light that blinks on and off while the car is running, it most likely means that the battery is not charging. This could be an issue with your alternator.
Defective battery or something is pulling power from the battery. Check the glove box light, interior lights, trunk light, hood light, brake lights, etc.
To turn off a service engine light soon on a 1997 Malibu, you will need to unhook the battery for up to 2 minutes. After you hook the battery back up, the light should be off.
On a 1997 Mercury Mountaineer : The " CHECK ENGINE " warning light is just to the left of the battery voltage gauge
Battery Light OnCheck for bad alternator. alt. is goodbattery is goodchecked fues goodwhat about wiring