Mercury MerCruiser MCM 454 Mag MPI Service Manual page 124

MCM MODELS - BRAVO AND BLACKHAWK DRIVES
5. Connect wires to MerCathode controller assembly as shown. Apply a thin coat of Quick-
silver Liquid Neoprene to all connections.
6. Connect battery cables to battery by FIRST connecting positive (+) battery cable
(usually RED) to positive (+) battery terminal. Tighten clamp securely. Then, connect
negative (–) battery cable (usually BLACK) to negative (–) battery terminal. Tighten
clamp securely.
NOTE: Spray terminals with a battery connection sealant to help retard corrosion.
Index Index
Page 2A-12
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a - ORANGE Wire - From Electrode On Transom Assembly
b - RED/PURPLE Wire - Connect (Other End) To Positive (+) Battery Terminal
c - BLACK Wire - From Engine Harness
d - BROWN Wire - From Electrode on Transom Assembly
c
d
a b
SERVICE MANUAL NUMBER 23
22232
90-861326--1 MARCH 1999