Mercury MerCruiser MCM 454 Mag MPI Service Manual page 615

GENERAL SYSTEM DIAGNOSTICS
MEFI 1 - 454/502 Mag MPI and 8.2L MPI Wiring System
Diagram (4 of 4)
Index
Page 5E-22
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a
3 PNK
b
2 RED
30 86 85 87
c
2 RED
e
440 ORN
A
B
C
D
E
f
a - To Key Switch
b - To Battery Positive
c - System/Ignition Relay
d - ECM BAT fuse 15A
e - To DLC Connector
f - Knock Module
g - Knock Sensor
h - To Fuel Pump Relay
150 BLK
902 RED
k
d
439 PNK/BLK
485 BLK
486 BRN
496 DK BLU
g
SERVICE MANUAL NUMBER 23
h
i
j
439 PNK/BLK
l
J1-11
m
J1-32
440 ORN
n
J1-16
440 ORN
o
J1-1
75608
i - To Ignition Coil B+
j - To Injectors
k - Injectors/ECM Fuse
10A
l - Ignition Fused
m - Battery
n - Battery
o - Knock Sensor Signal
90-861326--1 MARCH 1999