The green wire is on the plug connecting to the voltage regulator. I pulled the tab out and soldered the wire on and plugged it back in. As I said the other wire goes to the horn relay where the heavy red connects. That also saved running the wire accross the radiator core mount to the junction box.
Can't recall which one goes where, but if it shows discharge instead of charge just reverse them.
Under normal conditions I get only about a needle width advance to the positive side, altho after starting it sometimes goes about 3-4 needle widths to the pos side for a few minutes.