Mercury MerCruiser MCM 454 Mag MPI Service Manual page 632

SERVICE MANUAL NUMBER 23
Index
90-861326--1 MARCH 1999
Downloaded from https://needmanual.com/
a - To Key Switch
b - 2-Pin Harness Connector
c - Inj/ECM fuse 10A
d - System/Ignition Relay
e - ECM BAT Fuse 15A
f - To Fuel Pump Relay
g - To DLC Connector
h - Knock Module
i - Knock Sensor
j - To Ignition Coil B+
k - To Injectors
l - Ignition Fuse
m - Battery
n - Battery
o - Knock Sensor Signal
GENERAL SYSTEM DIAGNOSTICS
Page 5E-39