Mercury 25 EFI Service Manual page 134

Charging and Starting System
15. Disconnect the ignition coil harness connectors from the ignition coils.
a
16. Remove the bolt securing the air vent assembly to the cylinder block.
17. Remove the bolt securing the fuel cooler mounting bracket to the cylinder block.
a
b
18. Cut the cable tie securing the air vent assembly vent hose to the engine harness.
19. Disconnect the high pressure fuel pump harness connector from the VST.
20. Bend the clamp to access the trigger harness connector and the oil sender harness connector.
21. Disconnect the trigger harness connector and the oil pressure sender harness connector.
22. Pull the engine harness clear from the port side of the engine.
e
d
23. Remove the engine harness from the clamp.
Page 2B-22
c
d
21192
a
b
c
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© 2016 Mercury Marine
a - Water temperature sensor harness
b
connector
b - Trim extension harness connector
c - Ignition coil harness connector (3)
c
10463
a - Air vent assembly
b - Fuel cooler
c - Bolt securing the air vent assembly to the cylinder block
d - Bolt securing the fuel cooler mounting bracket to the
cylinder block
a - Cable tie securing the air vent assembly vent hose
b - High pressure fuel pump harness connector
c - Clamp
d - Trigger harness connector
e - Oil pressure sender harness connector
90-8M0105568 eng MARCH 2016