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:
Evaporative emissions canister system (usa versions only)
Usa models are equipped with an additional system with an evaporative
emissions canister that prevents fuel fumes from
being discharged into the atmosphere.
The breather hose (4) is connected to the canister filter (1); when the fuel
has been filtered, it is returned through the
hose (2) to t ...
Checking and topping up coolant level
Check coolant level in the expansion tank on the right side of
the vehicle.
Steer the handlebar completely to the left and check that the
level is between the min and max marks on the side of the
expansion reservoir.
Top up if the level is below the min mark.
Unscrew the filler plug (1) ...
Adjusting of the air-gap phonic wheel sensor
(For front as well as rear sensor) in each case of maintenance that foresees:
Replacement or refitting of the wheel
Replacement or refitting of the phonic wheel (1) or (2)
Replacement or refitting of the brake discs
Replacement or refitting of the speed sensor (3) or (4)
(Front) replacem ...