Electrical System
The engine is equipped with a 2-pole electrical system
and an alternator. System voltage is 12V.
WARNING!
Always stop the engine and break the current using the
main switches before working on the electrical system.
Isolate shore current to the engine block heater,
battery charger or accessories mounted on the engine.
Main switch
IMPORTANT:
Never disconnect the current using the main switches
when the engine is running or by disconnecting the
battery cables.
The alternator and electronics could be damaged.
The main switches must never be switched off before
the engine has stopped. If the circuit between the
alternator and the battery is disconnected when the
engine is running, the alternator and electronics can be
damaged. For the same reason the charging circuits
must never be re-connected with the engine running.
Fuses
The engine is equipped with a strip fuse.
The fuse cut the power if the electrical system
becomes overloaded.
If it is not possible to start the engine or if the gauges
stop working during operations the fuse may have
deployed.
IMPORTANT:
Always investigate the cause of the overload. If the
fuse trips frequently, contact an authorized Volvo
Penta workshop.
Electrical Connections
Check that electrical connections are dry, free from
oxide, and that they are securely tightened.
Maintenance
47711262 01-2019 © AB VOLVO PENTA 65
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