Mercury MerCruiser MCM 454 Mag MPI Service Manual page 146

MCM MODELS - BRAVO AND BLACKHAWK DRIVES WITH DRIVESHAFT EXTENSION
2. Connect trim position sender leads from gimbal housing to leads from engine harness.
IMPORTANT: Do not attach any accessory ground (–) wires to transom plate ground
point. Accessory ground wires should only be attached to ground stud on engine.
3. Connect continuity wire between transom plate and engine ground (–) stud.
4. Connect any grounding wires or accessories that may have been disconnected.
Index
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a - BROWN/WHITE (From Engine Harness)
b - BLACK (From Engine Harness)
c - BLACK (From Transom)
d - BLACK (From Transom Assembly)
a - Continuity Wire
b - Engine Ground Stud
b
a
d
c
b
a
SERVICE MANUAL NUMBER 23
72582
71651
90-861326--1 MARCH 1999