2001 Ducati SportTouring ST4 Owners Manual - Page 137

E Electric system Basic electric items are: Headlamp consisting of the following: 12V-55W low beam unit, poly-ellipsoidal with capacitor; 12V-55W high beam unit 12V-5W parking light. Instrument panel, 12V-1.2W warning lights; 12V-2W and 3W instrument lights. Electrical controls on handlebar. Turn indicators, 12V-10W bulbs. Horn. Stop light switches. Battery 12V-10 Ah. Generator 12V-520W. Electronic voltage regulator (rectifier), protected by a 40 A fuse. Starter motor, 12V-0.7 kW. Tail light, 12V-5/21W double-filament bulb for stop light and parking light; 12V-5W bulb for number plate light. Note See "Replacing bulbs" on page 51 for relevant instructions. Fuses The main fuse box (fig. 51.1) is located on the frame left side, behind the headlamp. To access the fuse box, remove the left side guard of the instrument panel (see page 40). To expose the fuses, take off the box protective cover (1). Mounting position and ampere capacity are marked on box cover. 7 fuses are connected to the system. There is one spare fuse. Three fuses (fig. 51.2) placed behind the control unit protect the relays of the injection system. Their ratings are: 7.5 A (A); 20 A (B); 5 A (C). The fuse located on a side of the battery (fig. 51.3) protects the electronic regulator. Remove the fuse cap (2) to expose it. A blown fuse is identified by the interrupted inner filament (3, fig. 51.4). Important Switch the ignition key to OFF before replacing the fuse to avoid possible short circuits. Warning Never use a fuse with a rating other than specified. Failure to observe this rule may damage the electric system or even lead to fire. 72