Ducati Diavel Service Manual: Ground connection locations
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
On the diavel, the +15v (key on power) voltage does not come from a
conventional ignition key, but from pin 30 of the
hands free relay. This relay is switched to closed state by the hands free unit ...
Electrical power for lighting and signalling devices
The front and rear running lights consist of led units with light conduits.
As a result, the light source is not visible as the
light is diffused through the surface of the light conduit.
...
Other materials:
Start procedure with pin code (no keys)
The motorcycle may be started without keys with a special procedure using the
dashboard and the switches on the
handlebar.
Note
This procedure is only possible if the pin code has been enabled
previously. For security reasons, the pin code is disabled
by default when the vehicle leaves the f ...
Total distance covered indicator: "odometer"
This function shows the total distance covered by the vehicle (in km or miles
depending on the specific application).
At key-on the system automatically enters this function.
The odometer reading is stored permanently and cannot be reset.
If the distance travelled exceeds 199999 km (or 19 ...
Key to wiring diagram
Right-hand handlebar switch
Immobilizer
Hands free relay
Hands free
Front fuse box
Right fan
Left fan
Fan relay
Fuel pump relay
Ride-by-wire relay (etv)
Injection control unit (ems)
Rear fuse box
Data acquisition/diagnosis
Starter motor
Fused solenoid
Battery
Wirin ...