Ford Mustang Owner's Manual page 230

Roadside Emergencies
The fuses are coded as follows:
Fuse/Relay Fuse Amp
Location Rating
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
230
2011 05+ Mustang (197)
Owners Guide, 1st Printing
USA (fus)
Protected Circuits
30A Driver rear window (convertible only)
15A Not used (spare)
15A SYNC
30A Passenger rear window (convertible only)
10A Brake transmission shift interlock (BTSI)
20A Turn signals, Hazard flashers
10A Left low beam headlamp
10A Right low beam headlamp
15A Courtesy lamps
15A Switch illumination
10A Security module
7.5A Power mirrors
5A Not used (spare)
10A Center information display, Electronic
finish panel, GPS
10A Climate control
15A Not used (spare)
20A Power door locks, Trunk release
20A Not used (spare)
25A Navigation amp
15A Diagnostic connector
15A Fog lamps
15A Park lamps, License lamps
15A High beam headlamps
20A Horn
10A Demand lighting (battery saver)
10A Cluster (battery)
20A Ignition switch feed
5A Audio mute (start)
5A Camera (run/start)