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SECTION - 7
NOTE: The adapter used with 10‑pin engine to 14‑pin boat wiring harness includes a 15‑amp fuse.
For repower of the original 10‑pin engines with the 14‑pin engines:
•
If adapters are used, a separate CAN (blue data cable) harness is required for SmartCraft
instrumentation. Remove the terminator resistor on the engine and connect the CAN harness
•
If a 14‑pin engine (limited to 15 amps of current draw) is installed into a 10‑pin wired boat,
boat accessories may need to be rewired to meet the new amperage load limitation.
•
Accessory kits are available to provide additional amperage to the helm.
•
The fuel tank, auxiliary tank, and paddle wheel harness has been changed on MerCruiser to
match the harness used by Mercury Outboard. The new harness is needed to replace the
original harness for any 10‑pin engine installation using SmartCraft fuel level or paddle wheel.
Qty.
1
TRANSOM HARNESS—MPI
This transom harness is designed so that connections can be made after the transom is installed
in the boat but before the engine is installed. Connections made before the engine is installed are:
•
Mercathode connection
•
Trim connections
•
Ground connection
90-899883183 DECEMBER 2007
a
b
10‑pin engine to 14‑pin boat wiring harness
a -
10‑pin engine connection
b -
15‑amp fuse
a
f
e
Typical MPI engine
a -
14‑pin connector
b -
16‑pin transom harness connector
c -
DLC and depth transducer connector
Fuel tank, auxiliary tank, and paddle wheel harness
c
25055
c -
14‑pin boat harness connection
b
c
d
25150
d -
Fuel – paddle wheel connector
e -
Standard terminator resistor (remove
and connect CAN harness if necessory
for repower)
f -
50‑amp circuit breaker
Description
STARTING AND ELECTRICAL
Part Number
84‑859743T03
Page 11 / 22
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