Ford F150 2003 Owners Manual

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
7 — Not used
8 5A Radio, Remote entry module,
GEM, In-vehicle entertainment
system (SuperCrew only)
9 — Not used
10 — Not used
11 30A Front washer pump relay, Wiper
run/park relay, Wiper HI/LO relay,
Windshield wiper motor
12 — Not used
13 20A Stop lamp switch (Lamps),
Turn/Hazard flasher
14 15A Battery saver relay, Interior lamp
relay
15 5A Stop lamp switch (speed control,
brake shift interlock), GEM, Rear
Anti-lock Brake...

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
23 10A Trailer tow battery Charge relay,
Turn/Hazard flasher, 4x4
solenoids, 4x4 relays, Overhead
console, 4–Wheel Anti-lock Brake
System (4WABS) module, EC
mirror, Heated seats
24 10A Function selector switch assembly
25 10A Heated mirrors
26 10A Right-hand low beam headlamp
27 5A Foglamp relay and foglamp
indicator, Main light switch
(upstream)
28 10A Left-hand low beam headlamp
29 5A Autolamp module, Transmission
overdrive...

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
Batterysection of theMaintenance and specificationschapter.
The high-current fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingPower 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...

Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
8 15A* Power door locks, Central
Security Module (CSM), Lock
relays (not used on SuperCrew)
9 15A* Daytime Running Lamps (DRL),
Fog lamps
10 20A* Fuel pump
11 20A* Alternator field
12 20A* Rear auxiliary power point
(SuperCrew only)
13 15A* A/C clutch
14 — Not used
15 10A* Running board lamps
16 15A* Bi-fuel injector module, fuel
selector switch and alternative
fuel injectors (Bi-fuel vehicles
only)
17 — Not used
18 15A* PCM, Fuel...

Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
102 50/20A** Four-wheel Anti-lock Brake
System (4WABS)
module/Rear-wheel Anti-lock
Brake System (RABS) module,
Ignition switch
103 50A** Central junction box
104 30A** 4x4 shift motor & clutch
105 40A** Climate control front blower
106 20A** Intercooler pump (supercharged
engine only)
107 — Not used
108 30A** Trailer tow electric brake
109 — Not used
110 30A** Accessory delay relay (Not used
on SuperCrew)
111 40A** Ignition switch...

Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
206 — Fog lamp relay
207 — Front washer pump relay
208 — Intercooler pump relay
(supercharged engine only)
209 — Front wiper HI/LO relay
301 — Fuel pump relay
302 — Trailer tow battery charge relay
303 — Heated backlight relay
(SuperCrew only)
304 — PCM relay
305 — Fuel pump HI/LO relay
(supercharged engine only)
306 — Inertia switch relay (supercharged
engine only)
401 — Not used
501 — PCM diode
502 — A/C compressor diode
503 — Not...

Spare tire information
Your vehicle is equipped with a spare tire that may be used as a spare or
a regular tire. The spare tire wheel may not match the road wheel, and is
not equipped with wheel trim. The wheel trim from the wheel/tire may
be used on the spare if the wheels match.
If your vehicle is equipped with 4WD, a spare tire of a different
size than the road tires should not be used. Use of such a tire
could result in damage to driveline components and an increased risk
of loss of vehicle control,...

2. Attach the spare tire lock key (A)
to the jack handle (B).
3. Fully insert the jack handle
through the bumper hole and into
the guide tube. The key and lock
will engage with a slight push and
counterclockwise turn. Some
resistance will be felt when turning
the jack handle assembly.
4. Turn the handle counterclockwise
until tire is lowered to the ground,
the tire can be slid rearward and the
cable is slightly slack.
5. Remove the retainer from the spare tire.
Tire change procedure
To prevent the...

1. Park on a level surface, activate
hazard flashers and set the parking
brake.
2. Place gearshift lever in P (Park)
(automatic transmission) or in the
reverse gear (manual
transmission)and turn engine OFF.
3. Block the diagonally opposite
wheel.
4. Obtain the spare tire and jack
from their storage locations.
5. Use the tip of the lug wrench to
remove any wheel trim.
6. Loosen each wheel lug nut
one-half turn counterclockwise but
do not remove them until the wheel
is raised off the ground.
7. Position...

When one of the rear wheels is off the ground, the transmission
alone will not prevent the vehicle from moving or slipping off the
jack, even if the transmission is in P (Park) or in the reverse gear
(manual transmission). To prevent the vehicle from moving when you
change the tire, be sure that the parking brake is set and the
diagonally opposite wheel is blocked. If the vehicle slips off the jack,
someone could be seriously injured.
•Front (4x2)
•Front (4x4)
2003 F150(f12)
Owners Guide (post-2002-fmt)...