It sounds like you may have a weak battery, a failing voltage regulator or failing alternator. 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.Dec 25, 2017
What causes a car to lose all electrical power?
Driving a car with a dead battery can also damage the alternator. ... The engine may not start, or you may suddenly lose all electrical power while driving. Ignition coil and other ignition components. Provides power to the spark plugs, and increases the voltage of the power provided to the spark plugs.Sep 30, 2020
Why does my car have no power when I turn the key?
If you turn the ignition on and no lights come on on the instrument panel, it means that there is no power coming from the battery. It could be a dead battery, loose battery terminal or something like a bad ignition switch or blown main fuse. ... If the headlights don't work, the battery could be completely dead.Jul 7, 2021
When I turn my key in the ignition nothing happens?
If nothing happens when you turn the ignition key to the "Start" position, it means that the starter motor doesn't turn over the engine. Most commonly this could be caused by a dead battery; read above How to check the battery.Jul 7, 2021