If the car won't start, jump it off. While it is running, remove the positive cable from the battery. If the car dies, then your alternator is bad. If it keeps running then you may have a bad battery.
its either the alternator the battery is bad or a loose or bad wire on the starter
Could be a few things, weak alternator, bad battery, bad wiring. If you have a subwoofer in your car with no battery cap that will certainly do it.
Yes, one bad cell in a car battery will cause the car not to start.
bad ground
Yes
well yeah absolutely
you can avoid draining the good battery
Yes, A car battery can have enough charge to turn on car electrical components but not start the car. This is not much of an indication of a bad battery however. Use a volt meter to test the power in the battery. If the battery seems low put it on a trickle charge. Most modern chargers will tell you if your battery is bad or not. The battery also has to be load tested to determine if it's good or not.
It sounds like the alternator is bad. If the alternator is bad the battery will not hold charge when running
Turn car on remove positive battery terminal if car turns off alternator is bad
yes