The alternator has A specific connection that is for this job, When there is power to the alternator and the alt. is not making power it will light the bulb. When the alt. begines to make the desired amount of power it will automatically turn off the bulb. If the light is removed the alt. will not charge, because the light is also used by the alt. as verrification.
unplug your car battery
There is a battery light above the engine temperature gauge
The red water warning light is an indication your engine is overheating. The red battery warning light is an indication that the charging system is not working properly.
because the battery needs charged or need a whole new battery
It is important to pay attention to the warning lights on the dashboard. The Battery warning light turns on when there the battery of a car is having a problem.
The check engine and other dash warning lights can be reset by disconnecting the vehicles battery for more then 5 minutes. If warning light continues after reconnecting battery then there is still a problem.
yes if one of the wires was getting an earth from the alternator cover or rubbing off the engine the battery light is really an alternator light warning you that the alternator is not charging the battery
On a 1997 Mercury Mountaineer : The " CHECK ENGINE " warning light is just to the left of the battery voltage gauge
Most of the light on the dashboard are Warning Lights; different warning lights that might flash up on the dashboard. Some of the more common warning lights are shown below. 1 = Oil pressure warning light 2 = Battery charge warning light 3 = Brake system warning light 4 = Engine warning light
The battery warning light illuminates when the battery isn't being charged , get it checked out to find the problem and then repair.
it is a warning light of course
disconnect + battery terminal for 60 seconds then re- connect.