1
2
3
4
5
6
7
8
A
B
C
D
E
F
G
H
I
J
K
L
M
N
October 2013
Section 6 • Schematics
6 - 88
S-40 • S-45
Part No. 102521
B1
B
3
1
4
2
C27AUX
RD
P20BA
T
RD
BL/WH
C4B-12
C4B-1
1
Y29
G6
PR2
PR2
M2
S7
M1
L30
L30
L29
L29
FUSE 10A
C3-9
DLITE
BK/RD
PBOX GND
NO
CR23
CR23
DRIVE
LIGHT
OPTION
WORK
LIGHTS
OPTION
RD
RD
TS49
WH
WH
BK
BK
F18
HIGH
RPM(FS)
TS4
TS17
C6-26
C6-39
WH/BK
FUNCTION
ENA.
L48
C2-3
C133PLA
OR/RD
RD/BK
C28TTA RD/BK
P2
RD
P3
H1
C7-1
HORN
P22BA
T
BK
C2-4
C134PWR
RD
RD
KS1
GRD
PLAT
TB22
RD
P1
TB42
C6-25
C6-34
C6-33
20AMP.
CB3
CR17
NO
CR17
OTS
NO
HYDRAULIC
OIL
TEMP
.
SWITCH
COOLING
F
AN
(OPTION)
C5-2
C6-16
TB43
C6-23
C6-28
C6-27
C5-16
TEMP
GAUGE
OIL
PRESSURE
GAUGE
VOL
T
METER
G1
G3
G2
GENERA
T
OR
C1-9
OR/BK
BK
WH
RD
RD
TS55
TB35
LOW
RPM
HIGH
RPM
C35ESPD
BK/RD
BRN
P26ESTP BK
P25FS RD
P24FS WH
TS2
C2-7
TB45
C45GEN
GR/WH
C1-7
TS52
TB33
C33STR
BK
C9-3
C9-2
FS1
BK(FS)
WH(FS)
RD(FS)
C9-1 BK
TS1
C1-1
C7-2
C1-2
TS51
C2-5
TB27
RD
TB28
TB23
C43HRN
GR
C27AUX
RD
C28TT
A
RD/BK
P23BA
T
WH
CB1
15AMP
.
RD
RD
CB2
TB20
15AMP.
C41RPM
OR/BK
TB41
FB
GR/WH
TB21
R21IGN
WH
TB26
TB25
OPS
+
GENERA
T
OR
OPTION
OPTION
FLASHING
BEACONS
_
HOUR
METER
PR1
NO
WH
RD
PR1
CR5
NO
CR5
R43HRN
BK
RD/BK
RD
+
DC
12 V
BK
PUMP
TIL
T
ALARM
LEVEL
SENSOR
RELA
Y
SER
VICE
HORN
SER
VICE
HORN
RELA
Y
AUXILIAR
Y
POWER
AUXILIAR
Y
PUMP
-
H2
ST
AR
TER
MOT
OR
1K
R3
WH/RD
PIN
39
DIAGNOSTIC
BLUE/PINK
HARNESS
ENGINE
FORD
C135RET
C135FP
BL
PIN
18
GASOLINE
SENSOR
GY/RD
GY/YL
RD
BK/BL
D
C
B
A
C5-8
WH
PIN
24
R21IGN
42
PIN
FORD
CONNECT
OR
OR/BK
PIN
2
C41RPM
C5-13
C5-9
C5-17
C5-5
C5-12
C5-10
C5-1
1
CR2
NO
CR2
R33STR
C21IGN
VSW
WH
PIN
16
TB24
CR39
NC
CR39
FORD
42
PIN
PLUG
C35RPM
BK/RD
PIN
23
C127TSW
GR
PIN
3
TS22
BL/WH
PIN
6
C38ESL
WH
PIN
1
BL/RD
PIN
7
C39LP
BK
PIN
15
TS3
TS53
TB39
C2-1
PUMP
FUEL
FUEL PUMP
BL/WH
PIN
5
RD/GN
HARNESS
ENGINE
FORD
LPG
LOCKOUT
WH/BK
L2
C26TSR
C5-14
CR1
NO
CR1
ST
AR
TER
RELA
Y
BRN
TB9
2
1.
2
NOTE:
ALL SWITCHES AND CONTACTS ARE SHOWN WITH THE BOOM
IN THE STOWED POSITION AND KEYSWITCH "OFF".
THIS WIRE FOR UNITS WITHOUT GENERATOR OPTION.
FAN
HM
AUXILIAR
Y
PUMP
AUXILIAR
Y
PUMP
LP
GAS
FUEL
LP
GAS
FUEL
ST
AR
T
ENGINE
ST
AR
T
ENGINE
WORKLIGHT
DRIVELIGHT
ESO433B
C107AF
WH
C5-3
T
O
AL
TERNA
T
OR
FIELD
500
AUX
R4
3
3
RESISTOR R4 REMOVED AT SERIAL NUMBER 11785 .
Electrical Schematic
Ford DSG-423 EFI Models
(from serial number 11067 to 12509)
TB 134 IS WAGO
TERMINAL BLOCK 42
Property of American Airlines