Mercury MerCruiser Service Manual page 290

Engine Wiring Harness
8. Disconnect the coils and the throttle body.
9. Disconnect the temperature sensor and the oil pressure sensor.
10. Disconnect the ground stud.
11. Remove four mounting screws attaching the PCM relay bracket to the manifold.
a a
12. Remove the PCM relay bracket with harness from the engine.
13. Remove the relays and fuses from the PCM relay bracket.
14. Remove the circuit breaker from the PCM relay bracket.
Page 3D-4
a
a
© 2016 Mercury Marine
a - Mounting screws
56506
a
a - PCM relay bracket with
harness
57212
90-8M0099748 eng DECEMBER 2015