Supplement Airplane Maintenance Manual
Cessna 172 with TAE 125-02-99 / -114
AMM-20-02
Chapter:
Issue:
Issue Date:
Page:
Content:
20-AMM-91-02
3
06.11.2013
6
40
Rev. No:
Rev. Date:
1
25.08.2014
Figure 3
Wiring of the 28V Electrical System (C172 N,P)
Rela
ybo
ard
F10
4 / GL
OW / 50
A
Coo
lant
Ta
n
k
Battery R
elayb
oard
( with External PWR OPTION
! )
Sta
rter Engage
-
La
mp
& dev
ices
OP
T
IO
N
!
AL
TERN
AT
OR RELAY
K15
TD
-0
4
-A
-0
2
TD
-05
-A
-16
Bat
tery
Gi
l G243
TD-
0
1-N
-0
2
F15 / 3
00A
TD-
0
1-A
-0
2
-
+
EXT PWR
RE
LAY
BATTERY
RELAY
K11
TD
-02
-A-02
TS
-0
2-A-
0
2
TD-
06-A-
16
F2
1
5A
I
n
lin
e
S20
Batte
ry
Master
TD-
06-N-
16
CB 23 / Altern
ator / 5
A
TD-
05-
N-
16
F
16 / 1A
TAE
GPC D4
( Glow
Plug
Contr
ol )
F105
/ FADEC
A / 30A
F10
6 / FADEC
B / 30A
F107
/ ALTERN
ATOR / 80A
F108 / MAIN
BUS / 70A
GLOW RELAY
K1
4
Plu
g
1
G
lo
w
in
dicato
r
Plu
g
4
Plu
g
3
Plu
g
2
Glowrela
y
+
+
Sh
ie
ld
Sh
ie
ld
Glowrelay
-
-
Con
. CPC 9
pi
n
to
En
gine
Lo
om
TAE
ALTREG
(
A
lter
nator
Regulator
)
to Line
T
F
-0
2-A
-1
4
to Line
TF
-0
1-A
-1
4
MAIN BUS RELAY
K13
TA-02-A-
2
0
TA-
01-A-
04
TA
-01
-B
-04
CB 22
/ Main
Bus / 5
0
A
TA-01
-C-04
to
ORIGINAL
MAIN B
U
S
& A
V
IONICS
TA-
03-A-
16
CB 24 / F
uel Pump / 10A
S7
FUEL
PUMP
TA-
03-B-
16
TA-03
-C-16
FUEL
PU
MP
TI-01
-A-20
CB 21
/ AED_CED
/ 5A
to
PW
R
D
ispl
ay Lo
om & TI-0
1-
B
-2
0
TS-01
-A-16
CB 18
/ Starter / 10A
TS
-0
1-B-
1
6
STARTER
PUSHBUTTON
TI-
04-
A
-20
CB 5 / AWL / 5A
S
tar
ter
(
L
ig
h
tp
an
el
Lo
om
)
TA-
02-
B-
20
1
2
V
/1,
2 Ah
AW
L
to A
W
L
L
ight
pan
el
Us
e
n
s
e
TD-07-A-20
Con. MIL 6pin
+
Al
ter
n
ato
r
28
V
-
EXCBA
T
-
FA
DE
C A
Lin
e
-
-
FADE
C
A
Lin
e
-
-
FA
DE
C B L
ine
-
-
FA
DE
C B
Lin
e
-
S6
ENG
INE
MASTER
Con. S
uperse
al
2pin
TA
-02
-N-20
S6b2
MAIN
BUS
to
Cl
o
ck
( Optio
n
)
St
ar
ter
(
E
n
gi
ne
Lo
om
)
Con. CP
C
24pin
Con. S
u
p
e
rse
al
6pin
8V
Am
pe
re
in
GND
Cu
rr
e
n
t
sen
sor
from
Display Loom
Wa
ter
le
vel
( No
rma
ly clo
sed
)
L
o
w
Coo
la
nt
No
te:
so
lid
Sta
rt
er
17
1
2
3
4
7
5
6
8
9
1
2
3
5
4
1
2
V
/1,
2 Ah
TD-
0
7-B-
2
0
THIE
LE
RT LINE
CODE
UNSP
ECIFI
ED LI
NES
SEE
ENGINE Loom, DISPLAY
Loom,
LIGHTPANEL Lo
om
and ALT
REG
Loom
TAE 125-02 Cessna C172
NP
Installation wiring 28V
20-3940-E010201
Sheet 1 / 2
Summary of Contents for Cessna 172
Page 8: ......
