Carb swap - Electric Choke Wiring

The condenser (circular object) is a radio suppression cap and goes to the + sided of the coil. Depending on some special ignition (Mallory, MSD) you may not want it on there

The rectangular device was in fact a limiting device for the original factory electric choke. There should be already a switched ignition supply that originally connected to it. Your "IGN run" wire comes from the IGN switch, out the bulkhead, and normally Y's off to supply the IGNITION (ballast), the REGULATOR "I" terminal, the ALTERNATOR field connection (70/ later) and the electric choke.

The wire hooked to it might just be ignition, you need to check it