ignition
You can download this diagram, and mark up to match your '62.
You can use MS paint, or any other simple program. Or print and use pencil
Its based on a '67, but fusible link was removed and the ignition hot is black to match your '62.
Also the bulkhead connections are shown individually for simplicity.
Add in the mopar ECU wires wherever you connected them and that should give a pretty complete picture.