Question: how do you know if your alternator needs replacing?
Answer: What does an alternator do? ...  Symptom #1 – Warning Indicator Light on Dashboard. ...  Symptom #2 – Dim/Flickering Headlights. ...  Symptom #3 – Dead Battery. ...  Symptom #4 – Strange Sounds. ...  Symptom #5 – Strange Smells. ...  Symptom #6 – Slow Electrical Accessories. ...  Symptom #7 – Regular Stalling/Difficulty Starting.