Here we can see the charging circuit diagram for the 1948-1955 Ford all models. The charging circuit system will have these following components inside; 6 volt battery, generator, voltage regulator, ammeter, and solenoid that shows a connection to the starter. There are three connections from the voltage to the generator. From the battery the connection is going to the solenoid and ammeter, and from the ammeter the connection is going to the voltage regulator. Click on image to view it larger in a new tab.