Ducati 748 Owner's Manual page 52

Note
Be careful to hold the new bulb at the base only.
Never touch the transparent body with your fingers or it
will blacken resulting in reduced bulb brilliancy.
Reassembly:
insert the locating pegs of the bulb base into their seats
to obtain correct alignment.
Hook the clip (4, fig. 56) to the headlamp holders;
E
reconnect the cables and refit the rubber cover (1, fig.
56).
To change the two parking light bulbs, the headlamp
fairing must be removed first (see page 41).
Undo the horn fastening screw and remove the horn.
Pull out the bulb holders (5, fig 57) from the headlamp
support.
Remove the bulb and fit a new one.
Instrument panel (fig. 58)
Remove the headlamp fairing (see page 41) to reach the
instrument panel bulbs.
One or two lamps are fitted under each instrument. Pull
out the bulb holder (1) under the instrument involved,
remove the bulb and fit a new one.
52
1
1
1
5
fig. 57
fig. 58