Now we will show you this charging circuit diagram for the 1942-1947 Nash all models. The components of the charging system are as following; solenoid, 6 volt battery, ammeter, generator, and voltage regulator. The sequence of the connection are as following; the battery powered the solenoid, then the connection goes to the starter and ammeter, from there it reaches the ammeter and the voltage regulator, and eventually ends in the generator. See and learn about all connections comprehensively before pulling any wiring work of your own. Click on image to view it larger in a new tab.