FORD 2003 F-150 v.4 - Manual (Page 181)

Always replace the cover to the power distribution box before
reconnecting the battery or refilling fluid reservoirs
If the battery has been disconnected and reconnected, refer to the
Battery section of the Maintenance and specifications chapter.
The high-current fuses are coded as follows.
Fuse/Relay
Location
Fuse Amp
Rating
Power Distribution Box
Description
1 20A * Power point
2 30A* Powertrain Control Module (PCM)
3 30A* Main light switch, Headlamp relay,
Multifunction switch
4 20A* Console power point (Harley
Davidson only)
5 20A* Trailer tow back-up/park lamps
6 15A* Main light switch, Park lamp relay
7 20A* Horn
MAXI FUSE 115
MAXI FUSE 116
MAXI FUSE 117
MAXI FUSE 118
MAXI FUSE 111
MAXI FUSE 112
MAXI FUSE 113
MAXI FUSE 114
MAXI FUSE 107
MAXI FUSE 108
MAXI FUSE 109
MAXI FUSE 110
MAXI FUSE 103
MAXI FUSE 104
MAXI FUSE 105
MAXI FUSE 106
MAXI FUSE 101
MAXI FUSE 102
CB601
CB602
FUSE 17
FUSE 18
FUSE 21
FUSE 22
FUSE 19
FUSE 20
FUSE 23
FULL RELAY 302
R 401
D 501
FUSE 24
FUSE 15
FUSE 16
FUSE 13
FUSE 14
FUSE 11
FUSE 12
FUSE 9
FUSE 10
FUSE 7
FUSE 8
FUSE 5
FUSE 6
FUSE 3
FUSE 4
FUSE 1
FUSE 2
D 503
D 502
FULL RELAY 301
HALF RELAY 207
FULL RELAY 305 FULL RELAY 306
FULL RELAY 303
FULL RELAY 304
HALF RELAY 201
HALF RELAY 202 HALF RELAY 208
HALF RELAY 209
HALF RELAY 205
HALF RELAY 206
HALF RELAY 203
HALF RELAY 204
Roadside Emergencies
181