2003 FORD F250 relay

Locks and Security 65
Keys 65
Locks 65
Anti-theft system 67
Seating and Safety Restraints 72
Seating 72
Safety restraints 77
Air bags 90
Child restraints 99
Driving 110
Starting 110
Brakes 115
Transmission operation 118
Trailer towing 146
Roadside Emergencies 174
Getting roadside assistance 174
Hazard flasher switch 175
Fuel pump shut-off switch 175
Fuses and relays 176
Changing tires 181
Jump starting 192
Wrecker towing 197
Customer Assistance 199
Reporting safety defects (U.S. only) 207
Cleaning 208
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Table of Contents
2

Your vehicle has larger tires and increased ground clearance, giving the
vehicle a higher center of gravity than a passenger car.
Vehicles with a higher center of gravity such as utility and
four-wheel drive vehicles handle differently than vehicles with a
lower center of gravity. Utility and four-wheel drive vehicles arenot
designed for cornering at speeds as high as passenger cars any more
than low-slung sports cars are designed to perform satisfactorily under
off-road conditions. Avoid sharp turns, excessive speed and abrupt
maneuvers in these vehicles. Failure to drive cautiously could result in
an increased risk of loss of vehicle control, vehicle rollover, personal
injury and death.
Loaded vehicles, with a higher center of gravity, may handle
differently than unloaded vehicles. Extra precautions, such as
slower speeds and increased stopping distance, should be taken when
driving a heavily loaded vehicle.
AUTOMATIC TRANSMISSION OPERATION (IF EQUIPPED)
Brake-shift interlock
This vehicle is equipped with a brake-shift interlock feature that prevents
the gearshift lever from being moved from P (Park) when the ignition is
in the ON position unless brake pedal is depressed.
If you cannot move the gearshift lever out of P (Park) with ignition in
the ON position and the brake pedal depressed:
1. Apply the parking brake, turn ignition key to LOCK, then remove the
key.
2. Insert the key and turn it to OFF.Apply the brake pedal and shift
to N (Neutral).
When the key is in the ignition OFF position, the automatic
transmission shift lever can be moved from the P (Park) position
without the brake pedal depressed. To avoid unwanted vehicle
movement, always set the parking brake.
3. Start the vehicle.
If it is necessary to use the above procedure to move the gearshift lever,
it is possible that a fuse has blown or the vehicle’s brakelamps are not
operating properly. Refer toFuses and relaysin theRoadside
emergencieschapter.
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Driving
118

This switch is located in the front
passenger’s footwell, by the kick
panel access cover.
To reset the switch:
1. Turn the ignition OFF.
2. Check the fuel system for leaks.
3. If no leaks are apparent, reset the
switch by pushing in on the reset
button.
4. Turn the ignition ON.
5. Wait a few seconds and return
the key to OFF.
6. Make another check of leaks.
FUSES AND RELAYS
Fuses
If electrical components in the
vehicle are not working, a fuse may
have blown. Blown fuses are
identified by a broken wire within
the fuse. Check the appropriate
fuses before replacing any electrical
components.
Note:Always replace a fuse with one that has the specified amperage
rating. Using a fuse with a higher amperage rating can cause severe wire
damage and could start a fire.
15
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
176

To remove a fuse use the fuse puller
tool provided on the fuse panel
cover.
The fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
1 15A* Adjustable pedals
2—Not used
3—Not used
4 20A* Power point - instrument panel
5—Not used
6 20A* Trailer tow turn/stop relay
7 30A* High beam headlamps/Flash to pass
8 15A* Backup lamps (Diesel engine only)
9 20A* Heated mirrors
10 10A* A/C clutch
11 20A* Radio (main)
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
178

Fuse/Relay
LocationFuse Amp
RatingPassenger 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
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
179

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
32 5A* Radio (start)
33 15A* Front wiper
34 10A* Brake on-off switch
35 10A* Instrument cluster
36 10A* PCM Memory
37 15A* Horn
38 20A* Trailer tow park lamps
39 15A* Trailer tow back-up lamps
40 20A* Fuel pump
41 10A* Instrument cluster
42 15A* Delayed accessory
43 10A* Fog lamps
44—Not used
45 10A* Ignition switch Run/Start feed
46 10A* Left-hand lowbeam
47 10A* Right-hand lowbeam
48—Not used
101 30A** Trailer tow electric brake
102 30A** Door locks/Body security module
103 50A** Ignition switch (gasoline engine
only), FICM power (Diesel engine
only)
104 40A** Heated backlight
105 30A** Fuel heater (Diesel engine only)
106 30A** Front wiper main
107 40A** Front blower motor
108—Not used
109 30A** Heated seats
110 50A** Ignition switch
111 30A** 4WD/Shift on the fly
112 30A** Left-hand power seats
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
180

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
113 30A** Starter motor
114 30A** Right-hand power seats
115 20A** Trailer tow battery charge
116 30A** Ignition switch
601 30A CB*** Window motors, Moonroof
602 60A** 4WABS module
210—Not used
211—Backup lamps relay (Diesel engine
only)
212—Not used
301—Front blower motor relay
302—Powertrain Control Module (PCM)
relay
303—Fuel heater relay (Diesel engine
only)
304—Heated backlight relay
305—Trailer tow battery charge relay
306—Delayed accessory relay
307—Starter relay
* Mini Fuses ** Maxi Fuses ***Circuit Breaker
Note: (Diesel engine only)The Fuel Injection Control Module (FICM)
logic 15A mini-fuse is located in the underhood relay block.
CHANGING A FLAT TIRE
If you get a flat tire while driving:
•do not brake heavily.
•gradually decrease the vehicle’s speed.
•hold the steering wheel firmly.
•slowly move to a safe place on the side of the road.
The use of tire sealants is not recommended and may
compromise the integrity of your tires.
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
181

Power distribution box
(see Fuses) ...............................177
Power door locks ..................65, 71
Power point .................................52
Power steering ..........................117
fluid, checking and adding ....239
fluid, refill capacity ................254
fluid, specifications .........257, 260
Power Windows ...........................52
Preparing to drive your
vehicle ........................................117
R
Radio ..........................19, 21, 23, 27
AM/FM .......................................19
Relays ........................................176
Remote entry system .................67
illuminated entry ......................70
locking/unlocking doors ...........65
Reverse sensing system ...........127
Roadside assistance ..................174
S
Safety Belt Maintenance ............89
Safety belts (see Safety
restraints) ..................77, 79–81, 83
Safety defects, reporting ..........207
Safety restraints ..............77, 79–83
belt minder ...............................85
extension assembly ..................89
for adults .............................79–81
for children ...............................99
lap belt ......................................84
safety belt maintenance ...........89
warning light and chime ..........85
Safety seats for children ..........102Seat belts (see Safety
restraints) ....................................77
Seats ............................................72
child safety seats ....................102
cleaning ...................................212
Servicing your vehicle ..............215
Snowplowing .................8, 170–172
Spare tire
(see Changing the Tire) ...........182
Spark plugs,
specifications .....................253, 260
Special notice ................................9
ambulance conversions ..............8
diesel-powered vehicles .............7
four-wheel drive vehicles 172–173
utility-type vehicles ....................7
Specification chart,
lubricants ...........................257, 260
Speed control ..............................56
Starting your vehicle .......110–111,
113
jump starting ..........................192
Steering wheel
tilting .........................................49
Stereo
AM/FM .......................................19
T
Tailgate ........................................64
Tilt steering wheel ......................49
Tires ...................................247–248
changing ..........................182, 184
checking the pressure ............248
replacing ..................................251
rotating ....................................249
snow tires and chains ............252
tire grades ...............................248
treadwear ................................247
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Index
278