MAINTENANCE
74
The electrical wiring circuits on the engine are protected from
overload by fuses in the wiring. If a fuse is blown, try to locate and
correct the cause of the overload. If the cause is not found, the fuse
may blow again.
1. Open the fuse holder and look at the silver colored band inside
the fuse. If band is broken, replace the fuse.
2. Replace fuse with a new fuse with the same rating.
The fuses and circuits are identified as follows:
5
20 20
20
a
b
c
d
or41-1
a - SmartCraft data bus
circuit - 5 amp fuse
b - Accessories - 20 amp
fuse
c - Ignition Coil Circuit - 20
amp fuse
d - Electric fuel pump/ECM
driver power/Oil pump
circuit SFE 20 amp fuse
Corrosion Control Anode
!
CAUTION
Avoid corrosion damage. Mercury Marine recommends using
anodes sold through Mercury Precision Parts only. Some other
manufacturers of aluminum anodes use alloys that are
insufficiently pure to adequately protect critical drive components
for the duration of the anodes' expected life.
Anodes help protect the power package against galvanic corrosion
by sacrificing its metal to be slowly eroded instead of other metals.
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