At idle I checked every place where power should be. This is what I got
Generator
At armature..... 7.25
At field........ 0
Voltage regulator
At armature..... 6.9
At field........ 1
At power........ 6.9
Coil
At +............ 6.2
At -............ 3.5
Starter........... 6.8
Battery........... 6.77