Seems like the older stuff is more sensitive but then into the 80's & 90's the needle barely moved
Starting around 73 they went to a shunt ammeter. The advantage to that is not all the current in the system has to pass through it, but as you say they seem to be less accurate.
Dunno if C bodies went on shunted for that year, but B bodies changed to shunted on 75 and A bodies on 76
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
