replaced battery . car worked fine then while driving the lights dimmedcar died on 1999 Mercury Cougar

car woud'nt star bought a new battery car worked one day and while driving lights dimmed and car died and now won't start

Asked by for the 1999 Mercury Cougar
agree w/ miles
2 more answers
agree w/ miles
I sounds as if the alternator is not need to have charging system tested.