Purchased new alternator for quality and reliability. Changed it out at night in a parking lot with a badly broken finger, a flat bar, large channel locks, vise grips, a hammer a few other unrelated tools.
In spite of being in intense pain due to the fracture and inappropriate tools I was able to remove the old unit and install the new one without any damage. At first test there was an audible whine from the new alternator. Having performing this swap in pain I was a bit pissed off with the whining and it being after 9pm so I had no choice but to accept it for moment and hope it went away.
Well it got worse.
I stopped by autozone and they said they would not honor the warranty for whining and it had to test faulty or I was *** out!