The negative cable, which is normally connected to the negative pole of the battery, is fastened to the crankcase. From here, the cable branches off and splits up within the electrical system to carry the ground connection to the different elements in the system.

The image shows the ground connection on left side of the engine crankcase.
The battery charging circuit and power distribution
Electrical power for lighting and signalling devicesTips for use on the road
Activate the dtc, select level 8 and ride the motorcycle in
your usual style; if the level of dtc intervention seems
excessive, try reducing the setting to levels 7, 6, etc., Until
you find the level that suits you best.
If changes in the grip conditions and/or circuit characteristics
and/or ...
Explanation of the function of the ride-by-wire system
Mechanism
Via metal cables, the throttle grip operates a roller mounted on one end of a
spindle located near the horizontal cylinder
throttle valve spindle.
The aps sensor, which measures the position of the throttle grip itself, is
mounted on the opposite end of this spindle.
A mechanic ...
Low battery level
The activation of this (amber yellow) "warning" indicates that the status of
the battery vehicle is low.
It is activated when the battery voltage is ¼ 11.0 Volt.
Note
In this case, ducati recommends charging the battery as soon as possible
with the specific device, as it is possible th ...