After weeks of frustration;
found out the "brand new" alternator was maybe bad "out of the box".
I also found a bad section of wire in the harness.
I don't know if the bad wire ruined the alt or not.
Ran voltage tests and everything is OK fine!

Thanx to everyone and their advice.
Dano


69 C10 LWB 250 L-6/3spd
79 C30 Crew Cab Dually 454 V-8/TH-400

"Takes more than a coat of paint to make it at Thunder Road!"