how can you tell that alternator does't work
3 Answers
If it is getting food stamps, that is a pretty good indication.
3 people found this helpful.
Have it tested at a local auto parts store such as O'reilly Auto Parts or similar. This is a free service.
2 people found this helpful.
The battery light might be on. If you have a voltmeter the voltage would be below 12.5V and dropping.
2 people found this helpful.