16
L510023-07
ELECTRICAL SYSTEM PRECAUTIONS
To avoid damage to the electronic fuel injection (EFI)
system, the following precautions must be observed
when adding additional electric accessories.
• DO NOT reverse battery leads.
• DO NOT splice wires into engine electrical harness.
• DO NOT puncture engine wires for testing
(probing).
• DO NOT attempt engine diagnostics without the
proper service tools.
• DO NOT attach any accessory wiring to the ECM
ground location.
Figure 19 Master / Slave Wire Harness
Figure 18 ECM Slave Ground Terminal
Figure 20 Electrical System Connectors
SLAVE ENGINE
GROUND TERMINAL
TO SLAVE ENGINE
GROUND STUD
TO SLAVE
ENGINE
TO MASTER
ENGINE
SPEED CONTROL/
CAN BUS
CONNECTOR
FUEL TANK
SOLENOID
CONNECTOR
TWIN ENGINE
MASTER/SLAVE
CONNECTOR
2-PIN BOAT
HARNESS
CONNECTOR
8-PIN BOAT
HARNESS
CONNECTOR
INSTALLATION NOTE: When installing the
Optional Crusader Sync-N-Cruz system, the speed
control harness (RA121091/RA121091A) MUST be
connected to the Master engine, 20-Pin Speed Control/
CAN Bus Connector and the master/slave harness
(RA121072C) must connect the Master and Slave
engines together. Ensure that the Slave side of the
harness is grounded to the Slave engine.
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