Car Battery Completely Dead No Lights

If the battery is totally dead you won t hear.

Car battery completely dead no lights. As you may know the alternator charges the battery while the engine runs by generating amperage and recharging the battery while the engine turns the alternator pulley. Many newer vehicles have headlights designed to turn off after a certain amount of time. If the charging is done you should remove the jumper cables. The vehicle won t start at all or will crank slowly.

Sounds like the battery is dead. If it does not work then let the charging continue for few more minutes. But if your car doesn t have this feature your headlights may stay on until you either turn them off or till your car battery is completely drained. Lights will typically dim and the engine may die.

Provides power necessary to start the vehicle and powers accessories when the engine is off. It sounds like you may have a weak battery a failing voltage regulator or failing alternator. Start the car which has the good condition battery and the dead battery would start charging. There should be a sticker on it that tells the month and year it was made.

Could be many things. If the battery is totally dead you won t hear a chime or see the dome light at all. Now after few minutes have elapsed you should start the car with the flat battery. Provide a failsafe if something draws too much current.

If your car battery keeps draining the first things to check are your lights. Check to see how old it is. It is not the battery or the alternator unless the white box in the trunk of the car that has a circuit board in it and many wires that lead into this box can fry the alternator or the battery while the car is off. Continue doing so for a few minutes.

If the battery is very weak the dome light may appear dim. Five signs of a dead car battery no dome light when opening the door or no door chime with keys inserted. Driving a car with a dead battery can also damage the alternator. Fuses and fusible links.