Yes, but with a twist... It's what the voltage regulator uses as it's reference.. So what it really needs is voltage at the battery.. You can read the voltage at the output of the alternator but if there's resistance between the battery & alternator the voltage regulator is now looking at what the alternator is producing not what the battery is seeing... So the battery will wind up undercharged... On the stock wiring the bulkhead connector and the ammeter both are known to add resistance so undercharging is a real concern.. But this car has a added wire from the alternator output directly to the battery so it should be fine...
