Electric System - Ducati ST3 Owner's Manual

Electric system

Basic electric items are:
Headlight:
high beam bulb (HI)
on the left side: H9 (12V-65W).
low beam bulb (LO)
on the right side: H7 (12V-55W).
Parking light:
bulb type: W3W (12V-3W).
Electrical controls on handlebar.
Rear turn indicators x2:
bulbs type: R10W (12V-10W).
Orange front turn indicators x2:
bulbs type: R10W (12V-10W).
Horn.
Stop light switches.
Battery, 12V-10 Ah.
Generator 12V-520W.
Electronic regulator, protected by a 40A fuse
located on the side of the battery.
Starter motor, 12V-0.7 kW.
Tail light and brake signal:
bulb type: P21/5W (12V-5/21W).
Number plate light:
bulb type: W5W (12-5W).
Note
See "Replacing bulbs" on page 82 for relevant
instructions.
Fuses
The main fuse box (fig. 98) is located on the frame left
side, behind the headlamp.
To access the fuse box, remove the rear guard of the
instrument panel (see page 68).
To expose the fuses, take off the box protective cover (1).
Mounting position and ampere capacity are marked on box
cover. There are 8 fuses in the fuse box.
On ST3, two of them are spare fuses and bear the writing
SPARE on the fuse itself. The two spare fuses are 7.5 Ah
fuses.
On the ST3 model, under the seat (2, fig. 100) are three
fuses protecting injection relay:
one 20 Ah Socket fuse, one 20 Ah Injection fuse and one
3 Ah Supply ECU fuse.
Remove the caps (3, fig. 100) to expose the fuses.
On the ST3S ABS model, under the seat are three fuses
(2, fig. 98) protecting the ABS system:
one 30 Ah Supply ECU ABS fuse, one 20Ah Injection fuse
and one 20 Ah Socket fuse.
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