Can You Jump Start A Bad Battery. The risks of jumpstarting a modern car. If you left the lights on or have a faulty CD changer in the trunk you may blame the alternator but it may be OK so the battery will charge up over time.

Can you jump start a bad battery. On the other hand if your cars lights work but the engine wont start a bad starter might be the issue. To cut to the chase and just before we get to the meaty stuff a dead car battery is an indicator of different factorsand almost always these occur all at the same time.
Jump starting a dead battery continuously does not do it any good either because its not fully charged.
Dont attempt to jumpstart a damaged battery. That can damage your vehicle electronics including your alternator. If your engine wont turn over or takes far longer than usual its time to grab the jumper cables and attempt a jump-start. How can you tell if its the battery or alternator.
