
16
Batt.
Master Switch
Contactor
Alterna-
tor
F
B
G
Starter Sole-
noid
External
Shunt
+
-
This line may be connected currently
to the Master Switch Contactor or
the Starter Solenoid. In either case it
should be rerouted to the Bus or +
side of the Shunt.
B
U
S
This is the main lead going to the Bus. It may come
from the Master Switch Contactor or the Starter
Solenoid.
To Starter
To Voltage Regulator
Figure 1:
Figure 1:
Figure 1:
Figure 1:
Figure 1: External Shunt Installed in the Battery Lead
External Shunt Installed in the Battery Lead
External Shunt Installed in the Battery Lead
External Shunt Installed in the Battery Lead
External Shunt Installed in the Battery Lead
Note: The External Shunt
Note: The External Shunt
Note: The External Shunt
Note: The External Shunt
Note: The External Shunt
should not be installed in series
should not be installed in series
should not be installed in series
should not be installed in series
should not be installed in series
with the starting current.
with the starting current.
with the starting current.
with the starting current.
with the starting current.
Alterna-
tor
F
Starter Sole-
noid
B
U
S
To Starter
This is the main lead going to the Bus.
It may come from the Master Switch
Contactor or the Starter Solenoid.
Figure 2:
Figure 2:
Figure 2:
Figure 2:
Figure 2: External Shunt Installed in the Alternator Lead
External Shunt Installed in the Alternator Lead
External Shunt Installed in the Alternator Lead
External Shunt Installed in the Alternator Lead
External Shunt Installed in the Alternator Lead
This line may be connected to the Bus,
Master Switch Contactor or the Starter
Solenoid.
B
G
-
+
External Shunt
Batt.
Note: The Shunt may be installed
before or after any reverse
current diode. However, it is
preferable to install it after the
reverse current diode as shown.
Reverse Current Diode.
(Some aircraft do not have this
diode)
Master Switch
Contactor