Installation Manual
N40475 Chapter 8
Page 37
For engines tted with the Marine
Junction Box (MJB)
• Provides circuit protection for the ECM and other
components connected to the on board monitoring
and control systems.
• Stand alone junction box for any marine application.
• Used with various lengths of wiring harness for
easier installation.
• Available for single (gure 20 item 1) or twin (gure
20 item 2) engine installations.
Inside the twin engine installation junction box,
there are two separate wiring sections, one for the
port system and a second for the starboard system.
These sections provide the interconnection points for
engine power and vessel control and monitoring. The
Marine Junction Box also provides circuit protection
for the ECM, keyswitch, and the other components
connected to the vessel control system.
Figure 20