SORRY if any of this has and error or two - use at your own risk - This info seems mighty hard to find so I compiled what I have learned so far here. Let me know of any errors. Thanks for those who have helped along the way. Also a thanks to maxrules.com for helping me to discover some of...
Actually 1968 TRL-10R
To answer my own question in case others run into this:
The "amplifier" is the rectanlge box "ID'd as electric shift" with leads:
1-Blue to the Coil (same side of the motor to the distributor area) in my case WHITE
1-red lead from power. This lead that comes from...