Mercury 25 EFI Service Manual page 143

9. Disconnect the MAP sensor harness connector.
b
a - Cable ties (3)
b - Ignition charge connector
c - Trigger connector
d - MAP sensor connector
e - Alternator connector
10. Disconnect the ignition coil harness connectors from the ignition coils.
11. Disconnect the water temperature sensor harness connector.
12. Remove the bolt securing the air vent assembly to the cylinder block.
90-8M0105568 eng MARCH 2016
c
e
a
a
b
21189
© 2016 Mercury Marine
Charging and Starting System
d
21187
a - Water temperature sensor harness connector
b - Ignition coil harness connectors (3)
Page 2B-31