Alternator is bad or your regulator if is not built into your alternator
Yes, and disconnecting the battery while the engine is running can severely damage the computers
Low battery? starter? starter solenoid? Battery cable loose or dirty? Seized engine? Neutral switch?
Its battery could die and the engine would stop running. Or a cable plug could have been unplugged and the car would stop, the only real reason it would do this is that the car would hit a large bump or halt at a sudden stop.
Removal of the battery cable
bad battery or loose battery cable
Clean both ends of both battery cables and make SURE there is a good ground cable between the engine and body. If this fails, take it to auto zone and have them check the alternator output.
Disconnect the negative cable.
The engine should continue to run... if and only if the alternator is putting out enough electricity to keep the onboard computer and other necessary electrical engine parts up and running.
There are several ways to force an car engine to stop. One way to force the engine to stop is to disconnect the battery. Another way to force the engine to stop is to turn off the ignition.
The battery will run down and he engine will stop. You will not be able to start the engine. The alternator keeps the battery fully charged.
The car will stop if the battery cable comes loose.
First of all - tHe engine will stop as soon as you disconnect the battery. Secondly - you risk being electrocuted if you do that !