Hey guys,
My battery died and I had to jump the car today, and it got me thinking....just a couple random questions since I'm a curious person. I tried google but couldn't come up with much.
1) why do you need to turn the 'live' car off first before connecting cables? Since the battery is good, isn't the battery still live even if you have the car off?
2) ^what happens if you don't turn the live car off and just connect the cables?
3) when a car is running, the electrical power all comes from the alternator right? so theoretically a car can run (barring voltage spikes) without a battery once its started?
4) when jumping the dead car, is the power coming from the live cars battery or alternator?
5) ^is that power charging the dead cars battery or is the power going straight to the starter of the dead car?
6) with the cables connected, are the batteries now in parallel or series? what about alternator and battery?
thanks in advance! just really curious what is actually going on
My battery died and I had to jump the car today, and it got me thinking....just a couple random questions since I'm a curious person. I tried google but couldn't come up with much.
1) why do you need to turn the 'live' car off first before connecting cables? Since the battery is good, isn't the battery still live even if you have the car off?
2) ^what happens if you don't turn the live car off and just connect the cables?
3) when a car is running, the electrical power all comes from the alternator right? so theoretically a car can run (barring voltage spikes) without a battery once its started?
4) when jumping the dead car, is the power coming from the live cars battery or alternator?
5) ^is that power charging the dead cars battery or is the power going straight to the starter of the dead car?
6) with the cables connected, are the batteries now in parallel or series? what about alternator and battery?
thanks in advance! just really curious what is actually going on
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