No. The ammeter is an internally shunted meter in the battery feed/charging circuit.
See where its located in the diagram?
View attachment 1715266427
1960 Imperial and Chrysler Tech - Alternator Service page 8
The other gages operate through a voltage regulator when the ignition switch is in run.
1963 Electrical Diagnosis, Voltage Limiter & Gage Operation, p. 10. Master Technician's Service Conference