He is an expert by now!! LOL. It was the new alternator. Failed 2 out of 3 tests. Long story short, he got another one, installed it......so far, so good!

Thank you all so much for your help and helpful suggestions. This forum has always been awesome!!! We learned a lot........that a brand new alternator can be faulty. It's only a machine made by human

Thank YOU!!!!!!!!!!!!!!!!!!!!