Electrical Components
Engine Control and Sensor Locations
Front View
a -
Starboard precatalyst oxygen sensor connection
b -
Fuses
c -
10‑pin diagnostics
d -
50‑amp circuit breaker
e -
J1939 diagnostic connection
f -
Port precatalyst oxygen sensor connection
g -
Port postcatalyst oxygen sensor connection
h -
PCM 112
i -
Starboard postcatalyst oxygen sensor
Page 4E-2
i
b
a
© 2016 Mercury Marine
h
c
e
d
g
f
90-8M0099748 eng DECEMBER 2015
59412