
The fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse Panel
Description
1 15A Audio, CD changer
2 5A Audio
3 7.5A Mirrors
4 10A Air bags
5 25A Package tray and rear flasher (Police
vehicle options)
6 15A Instrument cluster warning lamps module,
Overdrive control switch, Lighting Control
Module (LCM), A/C clutch
7 10A Driver’s Door Module (DDM), Premium
radio, Start input to police PDB (Police
vehicle option)
8 25A Powertrain Control Module (PCM) power
relay, Coil-on plugs, Radio noise capacitor,
Passive Anti-Theft System (PATS)
9 5A Transmission range sensor
27 25
26 2423 21
2219
20
18 16
17 1514 12
131030
32
31
28
29
11
97
8653
41
2
2003 Crown Victoria(cro)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
166

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse Panel
Description
10 10A Rear window defrost, Heated mirrors
11 5A Traction control indicator relay (ABS
w/traction control only)
12 15A Multi-function switch for turn/hazard
lamps
13 5A Radio
14 10A Anti-lock Brake System (ABS), Instrument
Cluster
15 15A Speed control module, Power relay coil
(Police vehicle option), LCM, Clock, EATC
blower motor relay, Door lock switch
illumination, Heated seat switch, Moonroof
16 15A Reversing lamps, Shift lock, DRL module,
VAP Steering, Electronic day/night mirror,
Overhead console, Air suspension, Climate
control, Heated seat module, Speed chime
module (GCC only)
17 7.5A Wiper motor
18—Not used
19 15A Brake lamps
20 20A Spot lamp (Police vehicle option)
21 15A LCM for park lamps and interior
illumination, Autolamp/Sunload sensor
22 20A Speed control servo, Multi-function switch
for hazard lamps, Brake on/off switch
23 15A EATC module, Instrument cluster, Clock,
LCM, Interior lamps, Door lock switches,
Door ajar and roof lamps (Taxi vehicles)
24 10A Left-hand low beam
25 15A Cigar lighter
26 10A Right-hand low beam
2003 Crown Victoria(cro)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
167

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse Panel
Description
27 25A LCM for cornering lamps and high beam
headlamps
28 20A* Power windows, DDM
29—Not used
30—Not used
31—Not used
32—Not used
* Circuit breaker
Power distribution box
The power distribution box is located in the engine compartment. The
power distribution box contains high-current fuses that protect your
vehicle’s main electrical systems from overloads.
Always disconnect the battery before servicing high current
fuses.
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.
2003 Crown Victoria(cro)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
168

The high-current fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box Description
1 25A* Audio
2 20A* Power point
3 25A* Heated seats
4 15A* Horns
5 20A* Fuel pump
6—Not used
7 25A* Moonroof
8 20A* Driver’s Door Module (DDM)
9—Not used
10—Not used
11 20A* Daytime Running Lamps (DRL)
12—Not used
13—Not used
14—Not used
15—Not used
503
502
501
24
23401
20
19 22
21RELAY
302 RELAY
304 RELAY
303
RELAY
301 207
201 202 203204
209
206
208
205602
601118
114
110
106
102
117
113
109
105
101
116
112
108
104
115
111
107
103
18
16
14
1210
8
6
4
2
17
15
13
119
7
5
3
1
2003 Crown Victoria(cro)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
169

Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box Description
16—Not used
17—Not used
18—Not used
19 15A* Powertrain Control Module (PCM), Fuel
injectors
20 15A* PCM, HEGOs
21—Not used
22—Not used
23—Not used
24—Not used
101 30A** Ignition switch
102 50A** Cooling fan (engine)
103 40A** Blower motor
104 40A** Heated backlight relay
105 30A** PCM power relay
106 40A** Anti-lock Brake System (ABS)
107 40A** Crown North America (Police vehicle
option)
108 50A** Crown North America (Police vehicle
option)
109 50A** Light bar (Police vehicle option)
110 50A** Relay switch for PDB (Police vehicle
option)
111 30A** Power relay switch feed (Police vehicle
option)
112 50A** Ignition switch
113 50A** Feeds IP fuses 3, 5, 21, 23, 25, 27
114 30A** VAP Steering, Air suspension compressor,
Instrument cluster
115 50A** Ignition switch
116 30A** Wipers
117 50A** B+ feed for PDB (Police vehicle option)
2003 Crown Victoria(cro)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
170

Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box Description
118 20A** ABS
201 1/2 ISO Horn relay
202 1/2 ISO PCM relay
203 1/2 ISO Fuel pump relay
204 1/2 ISO A/C clutch relay
205 1/2 ISO Traction control switch relay
206 1/2 ISO Police vehicle relay
207—Not used
208 1/2 ISO Moonroof relay
209—Not used
301 Full ISO Blower motor relay
302 Full ISO Starter solenoid relay
303 Full ISO Air suspension relay
304 Full ISO Heated backlight relay
401—Not used
501 Diode PCM diode
502—Not used
503—Not used
601 50A** Crown North America (Police vehicle
option)
602 20A** Adjustable pedals, Power seat, Locks,
Decklid, Lumbar, Decklid release (Police
vehicle option)
* Mini fuse ** Circuit breaker/Maxi fuse
Relays
Relays are located in the power distribution box and should be replaced
by qualified technicians.
CHANGING THE TIRES
If you get a flat tire while driving, do not apply the brake heavily.
Instead, gradually decrease your speed. Hold the steering wheel firmly
and slowly move to a safe place on the side of the road.
2003 Crown Victoria(cro)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
171

change oil soon warning,
message center .......................200
checking and adding ..............200
dipstick ....................................200
filter, specifications ........203, 230
recommendations ...................203
refill capacities ........................230
specifications ..................232–233
Exhaust fumes ..........................146
F
Fail safe cooling ........................210
Floor mats ...................................92
Fluid capacities .........................230
Fuel ............................................212
calculating fuel
economy ............................69, 217
cap .....................................11, 214
capacity ...................................230
choosing the right fuel ...........215
comparisons with EPA fuel
economy estimates .................219
detergent in fuel .....................216
filling your vehicle with
fuel ...........................212, 214, 217
filter, specifications ........216, 230
fuel filler door override ............91
fuel filler door release ..............90
fuel pump shut-off switch .....163
gauge .........................................19
improving fuel economy ........217
low fuel warning light ..............14
octane rating ...................215, 233
quality ......................................216
running out of fuel .................216
safety information relating to
automotive fuels .....................212
Fuses ..................................164–165
G
Garage door opener ....................82Gas cap (see Fuel cap) ......11, 214
Gas mileage
(see Fuel economy) .................217
Gauges ...................................16–17
battery voltage gauge ...............19
engine coolant temperature
gauge .........................................17
engine oil pressure gauge ........18
fuel gauge ..................................19
odometer ...................................20
speedometer .............................20
trip odometer ............................21
GAWR (Gross Axle Weight
Rating) .......................................156
definition .................................156
driving with a heavy load ......156
location ....................................156
GVWR (Gross Vehicle Weight
Rating) .......................................156
calculating ...............................156
definition .................................156
driving with a heavy load ......156
location ....................................156
H
Hazard flashers .........................163
Head restraints .........................106
Headlamps ...................................54
aiming ........................................55
autolamp system .......................54
bulb specifications ....................57
daytime running lights .............54
flash to pass ..............................55
high beam ...........................15, 55
replacing bulbs .........................57
turning on and off ....................54
warning chime ..........................16
2003 Crown Victoria(cro)
Owners Guide (post-2002-fmt)
USA English(fus)
Index
242

Lubricant specifications ...232–233
Lumbar support, seats .............108
M
Message center ...........................86
reset button ..............................86
select button .............................87
Mirrors
automatic dimming rearview
mirror ........................................76
fold away ...................................76
heated ........................................75
side view mirrors (power) .......75
Moon roof ....................................81
Motorcraft parts ................216, 230
O
Octane rating ............................215
Odometer .....................................20
Oil (see Engine oil) ..................200
Overdrive .............................89, 154
P
Panic alarm feature, remote
entry system ................................97
Parking brake ............................149
Parts (see Motorcraft parts) ....230
Passenger Occupant
Classification Sensor .................112
Pedals (see Power adjustable
foot pedals) .................................76
Power adjustable foot pedals .....76
Power distribution box
(see Fuses) ...............................168
Power door locks ..................93, 99Power mirrors .............................75
Power point .................................73
Power steering ..........................151
fluid, checking and adding ....221
fluid, refill capacity ................230
fluid, specifications .................232
Power Windows ...........................74
R
Radio ......................................22, 31
Radio reception ...........................46
Rear window defroster ...............53
Relays ................................164, 171
Remote entry system ...........95, 97
illuminated entry ......................99
locking/unlocking doors ...........96
opening the trunk .....................97
panic alarm ...............................97
replacement/additional
transmitters ...............................98
replacing the batteries .............97
Roadside assistance ..................162
S
Safety Belt Maintenance ..........124
Safety belts (see Safety
restraints) ............16, 110, 114–118
Safety defects, reporting ..........190
Safety restraints ........110, 114–118
belt minder .............................120
extension assembly ................124
for adults .........................115–117
for children .............................132
lap belt ....................................118
Occupant Classification
Sensor ......................................112
2003 Crown Victoria(cro)
Owners Guide (post-2002-fmt)
USA English(fus)
Index
244