Installation Instructions
Alternator
F
Starter Solenoid
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: VA-1A or External Shunt Installed in the Alterntor Lead
This line may be connected to the
Bus, Master Switch Contactor or the
Starter Solenoid.
B
G
-
+
VA-1A or External Shunt
Batt.
11
Note: The VA-1A (or shunt)
may be installed before or after
any reverse current diode.
Although, it is preferred to install
it after the reverse current diode
as shown.
3. Determine how the VA Unit will be installed
Reverse Current Diode.
(Some aircraft do not have this diode)
Master Switch
Contactor
