Location of ECM fuse/breaker for Cummins 480CE engines on 390 Motor Yacht

ManteoMike

Member
Aug 7, 2018
70
Boat Info
2005 390 Motor Yacht
Engines
Cummins 480 CE
Cummins manual indicates that there should be two power wires for each ECM on 480CE engines. Each wire is to have a 10 amp fuse/breaker.

Have looked and I can not find these two fuses/breakers anywhere. Also checked the Owner's manual and I can not find any mention of where fuses/breakers might be located.

I did find the source of power which is an unswitched breaker in the engine room electrical box. Unswitched breaker has a single wire leaving it. Somewhere after it exits the engine room electrical panel, it must split out into two wires each with a 10 amp fuses/breakers and going to ECM. Bottom line, i have found the source power wire and the place where two wires go into ECM, but not fuses or breakers in between.

Anyone know where the fuses/breakers might be located?
Thanks,
Mike
 

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