Hi all, my dad has a 1999 Chevy Trailblazer and the alternator went in it. He replaced and just days later it went again. He's a certified mechanic (works on cranes, dumptrucks, you name it), he baffled about it. He's gonna get a new one just incase the "new" one was faulty, but are there any problems with the electrical or any that could be doing this in that year model. It's got about 120,000 miles on it. I didn't see anything about recalls when I googled it.