I replaced the alternator in my car 3 weeks ago, because it wouldn't start, now just last night its doing the same thing, what's the problem?
Did you replace the alternator with a new one or rebuilt one? Warranty?
Also a good alternator charging a bad battery or one with loose or dirty connections will do the same thing. Have you had battery tested?
Yes, it was a new alternator
No, I hadn't had it tested since before I got the new alternator
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