REV 1.6
© 2019 TCW Technologies, LLC.
17
Battery
Master Solenoid
Wiring Diagram IBBS-12v-6ah
IBBS with Garmin G3x
5 amp
M
ai
n
A
ir
cr
af
t
B
u
s
Back-up Power Master
20 awg
20 awg
1
6
9
10
2
5
15 pin, female
Dsub connector
NOTES:
7
11
10 amp
8
13
14
15
www.tcwtech.com
Emmaus, PA USA
MODEL:
IBBS-12V-6AH
Input: 10-15 volts DC
Output: 12 volts,8 amps
INTEGRATED
Back-up Battery
SYSTEM
1) Use redundant ground pins 9,10,11
2) See Garmin install manual for all wiring details and fusing requirements
Garmin G3x Avionics
GDU 46x
or
GDU 37x
Pin 31
J3701
Pin 32
Primary power connections for G3x system
power connections for G3X system
GSU 25
J251
Pin 7
Pin 8
GEA 24
Pin 8
J241
Pin 7
J244
Pin 28
GAD 29
Pin 8
Pin 7
J291
GDU 46x
or
GDU 37x
Pin 31
J3701
Pin 32
3) Enable Volts2 display in Garmin Set-up Software to display IBBS battery voltage