Ford F-150 2010 Owner's Manual page 323

To reinstall the fuse box cover, place the top part of the cover on the
fuse panel, then push the bottom part of the cover until you hear it click
shut. Gently pull on the cover to make sure it is seated properly.
The fuses are coded as follows.
Fuse/Relay
Location
1
2
3
4
5
6
7
8
Roadside Emergencies
Fuse Amp
Rating
30A Moon roof
15A Not used (spare)
15A Not used (spare)
30A Not used (spare)
10A Keypad illumination, Brake Shift
Interlock (BSI), SJB
microprocessor power
20A Turn signals, Stop lamps
10A Low beam headlamps (left)
10A Low beam headlamps (right)
Protected Circuits
323