Roadside emergencies – FORD 2003 F-550 v.4 User Manual
Page 179
Fuse/Relay
Location
Fuse Amp
Rating
Passenger Compartment Fuse
Panel Description
12
20A*
Cigar lighter / OBD II
13
5A*
Power mirrors/switches
14
15A*
Daytime running lamps (DRL)
15
—
Not used
16
—
Not used
17
15A*
Exterior lamps
18
20A*
Turn lamps/Brake on-off switch
(high)
19
10A*
Body security module/4x4 module
20
10A*
Fuel Injection Control Module
(FICM) relay (Diesel engine only)
21
—
Not used
22
20A*
Engine control
23
20A*
Engine control (gasoline engine
only), Climate control (Diesel engine
only)
24
2A*
Brake pressure switch/Speed control
25
10A*
4-Wheel Anti-lock Brake System
(4WABS) module, Variable Fan
Control (VFC) (Diesel engine only)
26
10A*
Air bags
27
15A*
Ignition switch Run feed
28
10A*
EATC module/Front blower relay coil
29
10A*
Customer access
30
15A*
Highbeam headlamps
31
15A*
Clutch interlock switch (manual
transmissions only), Transmission
range sensor (automatic
transmissions only) then to starter
relay coil (all transmissions), 4x4
32
5A*
Radio (start)
33
15A*
Front wiper
2003 F250/350/450/550 (f23)
Owners Guide (post-2002-fmt)
USA English (fus)
Roadside Emergencies
179