Dave wrote:
"If the battery is too flat, it will not have the necessary energy to
close the master solenoid switch, i.e. the battery will not get
connected to the alternator. That WILL keep the alternator from
getting ANY excitation current. No excitation current = no
electricity from the alternator."
Good so far as that goes, Dave. Looking on page 53 ot the Ercoupe
Service manual shows no solenoid. Just a switch between the battery
and the rest of the system. The alternator installation does mention
a relay installed, which could be what you're discussing.
Percy