GRUMMAN AMERICAN
FOR TRAINING USE ONLY – SECTION 7
MODEL GA‐7/COUGAR
AIRPLANE & SYSTEMS DESCRIPTIONS
7‐28
Issued: April 10, 1978
AMMETER
VOLTAGE
REGULATOR
OVERVOLTAGE
RELAY
LEFT ALTERNATOR
SWITCH
TEST BUTTON
AMMETER
VOLTAGE
REGULATOR
OVERVOLTAGE
RELAY
RIGHT ALTERNATOR
SWITCH
TEST BUTTON
RIGHT ALTERNATOR
60 AMPERE
MA
IN
D
C
B
U
S
ALTERNATOR FAULT
INDICATOR
BATTERY
12 VOLT
25 AMPERE HOUR
EXTERNAL POWER
RECEP TACLE
EXTERNAL POWER
SOLENOID
+
‐
BATTERY
SOLENOID
RADIO BUS
STARTER BUTTON
STARTER
SOLENOID
STARTER BUTTON
STARTER
SOLENOID
STARTER
STARTER
MASTER SWITCH
ALL CIRCUIT BREAKERS ARE IDENTICAL EXCEPT FOR
CURRENT RATING.
ALL CIRCUIT BREAKERS ARE MOUNTED ON THE LOWER
RIGHT OF INSTRUMENT PANEL AND ARE NORMALLY
CLOSED.
2
1
2
2
1
2
LEFT ALTERNATOR
60 AMPERE
ALTERNATOR FAULT
INDICATOR
Figure 7‐12. Electrical System Schematic.