1967 Dart GT Wiring Questions

Sorry, I have been out of state and just got back. Can you tell me where the cluster ground point is? The only ground I remember seeing is the one for the voltage reducer box. Maybe that is the whole problem? Any pictures would help as well if you have them. Thanks.

The cluster grounds with the mounting screws. It is highly suggested that you add a pigtail to a ground point (the metal of the cluster casting) and run it to the dash frame or column support with a screw/ nut. Several of the PC board mounting screws go into the metal cluster and would be "a ground."