Mercury MerCruiser MCM 454 Mag MPI Service Manual page 640

SERVICE MANUAL NUMBER 23
MEFI 3 - ECM Wiring
TO
2 RED
B
B+
TO
2 RED
A
B+
3 PNK
TO
IGNITION
TO IGN COIL
TERM INAL
KNOCK
SENSOR 1
TRANSMISSION NEUTRAL
SAFETY SWITCH (MIE ONLY)
Index
90-861326--1 MARCH 1999
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PAGE 3 of 4
TO FUEL PUMP RELAY
2 RED
ECM BAT FUSE/
DLC 15A
SYSTEM/IGNITION RELAY
87
30
85
86
902 RED
KNOCK SENSOR
2 (L29 ONLY)
150 BLK
B
A
FUSE
440 0RN
440 0RN
IGN / INJ FUSE
902 RED
150
BLK
496 DK BLU
496 DK BLU
114 BLU
906 TAN/WHT
GEAR LUBE BOTTLE
SWITCH (MCM ONLY)
150 BLK
923 WHT
GENERAL SYSTEM DIAGNOSTICS
ECM
BATTERY
J2-1
FEED
TO DLC
CONNECTOR
J2-32
439
IGNITION
PNK
T0
INJECTORS
T0 FUEL PUMP
RELAY
J1-30
KNOCK SENSOR 1
KNOCK
J1-14
SENSOR 2 (L29 ONLY)
OIL PRESSURE
J2-7
SWITCH
J2-24
GEAR LUBE BOTTLE
(MCM ONLY)
LOAD ANTICIPATION
J2-20
SIGNAL
76081
Page 5E-47