Bad battery or bad alternator, how to tell the difference (brief version) - Auto Information Series
This video will briefly explain how to tell if you have a bad auto battery or bad alternator. Detailed info about bad batteries: https://www.youtube.com/watch?v=2rVt-TDqmSc How to repair your alternator: http://www.youtube.com/watch?v=T9koQlrsYLU How
