Locate fuse box and relays for the 2003-2004 Ford Crown Victoria (EN114) with detailed diagrams. Ensure optimal performance of critical electrical components.
The Ford Crown Victoria (EN114) from 2003-2004 is a full-size sedan well-known for its durability, spacious interior, and traditional rear-wheel-drive design. It features a classic four-door sedan body style, catering to both law enforcement fleets and civilian use. Its large trunk and comfortable seating for up to six passengers make it a popular choice for long-distance travel and practical daily use. Equipped with robust V8 engines, the Crown Victoria balances performance with reliability.
The electrical system of the Crown Victoria relies heavily on its fuse box and relay setup to manage various components like the headlights, cooling fans, and power windows. The primary fuse box is located under the dashboard on the driver’s side, while the power distribution box, housing major relays, is situated in the engine compartment. These relays control high-demand systems such as the starter, fuel pump, and air conditioning. Regular inspection of the fuses and relays is vital to maintaining the car’s dependability.
MUST READ: DYI – How to Check Car Fuses?
(2003-2004) Ford Crown Victoria (EN114) fuse box and relay with Diagram
WARNING
- Never replace a fuse with one that has a higher amperage rating.
- A fuse with a too-high amperage could damage the electrical part and cause a fire.
- On no account should fuses be repaired (e.g. patched up with tin foil or wire) as this may cause serious damage elsewhere in the electrical circuit or cause a fire.
- If a fuse blows repeatedly, do not keep replacing it. Instead, have the cause for the repeated short circuit or overload tracked and fixed.
- Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
Ford Crown Victoria (EN114) 2003-2004 fuse assignment
Year of production: 2003, 2004
Passenger Compartment Fuse Panel:
The fuse panel is located below and to the left of the steering wheel by the brake pedal. Remove the panel cover to access the fuses.
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.
Relays are located in the power distribution box and should be replaced by qualified technicians.
Fuse Box Diagrams
2003
Passenger Compartment Fuse Panel
List of fuses in the passenger compartment fuse panel (2003)
| № | A | 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 |
| 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), Instmment 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 | 20 A | Spot lamp (Police vehicle option) |
| 21 | 15A | LCM for park lamps and interior illumination, Autolamp/Sunload sensor |
| 22 | 20 A | 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 |
| 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
List of fuses in the power distribution box (2003)
| № | A | Description |
|---|---|---|
| 1 | 25A* | Audio |
| 2 | 20A* | Power point |
| 3 | 25A* | Heated seats |
| 4 | 15 A* | 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 | |
| 16 | – | Not used |
| 17 | – | Not used |
| 18 | – | Not used |
| 19 | 15 A* | Powertrain Control Module (PCM), Fuel injectors |
| 20 | 15 A* | PCM, HEGOs |
| 21 | – | Not used |
| 22 | – | Not used |
| 23 | – | Not used |
| 24 | – | Not used |
| 101 | 30A** | Ignition switch |
| 102 | 50 A** | 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 | 50 A** | Crown North America (Police vehicle option) |
| 109 | 50 A** | Light bar (Police vehicle option) |
| 110 | 50 A** | Relay switch for PDB (Police vehicle option) |
| 111 | 30A** | Power relay switch feed (Police vehicle option) |
| 112 | 50 A** | Ignition switch |
| 113 | 50 A** | Feeds IP fuses 3, 5, 21, 23, 25, 27 |
| 114 | 30A** | VAP Steering, Air suspension compressor, Instrument cluster |
| 115 | 50 A** | Ignition switch |
| 116 | 30A** | Wipers |
| 117 | 50 A** | B+ feed for PDB (Police vehicle option) |
| 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 pedais, Power seat, Locks, Decklid, Lumbar, Decklid release (Police vehicle option) |
| * Mini fuse ** Circuit breaker/Maxi fuse | ||
2004
Passenger Compartment Fuse Panel
List of fuses in the passenger compartment fuse panel (2004)
| № | A | Description |
|---|---|---|
| 1 | 15A | Audio, CD changer |
| 2 | 5A | Audio (optional) |
| 3 | 7.5A | Mirrors |
| 4 | 10A | Air bags |
| 5 | 25A | Package tray lamps and rear flasher lamps (Police vehicle options) |
| 6 | 15A | Instrument cluster warning lamps module, Overdrive control switch, Lighting Control Module (LCM), A/C clutch, Analog cluster |
| 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 |
| 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, 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), DDM, Back-up lamps |
| 17 | 7.5A | Wiper motor |
| 18 | – | Not used |
| 19 | 15A | Brake lamps, Brake signal for PCM, ABS and speed control module, DDM |
| 20 | 20 A | Spot lamp (Police vehicle option) |
| 21 | 15A | LCM for park lamps and interior illumination, Autolamp/Sunload sensor |
| 22 | 20 A | Speed control servo, Multi-function switch for hazard lamps, Brake on/off switch, Feed for IP fuse 19 |
| 23 | 15A | EATC module, Instrument cluster, LCM, Interior lamps, Door lock switches, Door ajar and roof lamps (Taxi vehicles) |
| 24 | 10A | Left-hand low beam |
| 25 | 20 A | Cigar lighter |
| 26 | 10A | Right-hand low beam |
| 27 | 25A | LCM for cornering lamps and high beam headlamps, Police headlamp wigwag module (police vehicles only) |
| 28 | 20A* | Power Windows, Instrument panel/Door decklid release (police vehicles only) |
| 29 | – | Not used |
| 30 | – | Not used |
| 31 | – | Not used |
| 32 | – | Not used |
| * Circuit breaker | ||
Power Distribution Box
List of fuses in the power distribution box (2004)
| № | A | Description |
|---|---|---|
| 1 | 25A* | Audio |
| 2 | 20A* | Power point |
| 3 | 25A* | Heated seats |
| 4 | 15A* | Horns |
| 5 | 20A* | Fuel pump module (gasoline engines only), Fuel tank solenoid valves (natural gas vehicles only), Fuel rail solenoid valve (natural gas vehicles only) |
| 6 | 15A* | Alternator |
| 7 | 25A* | Moonroof |
| 8 | 20A* | DriveFs 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 |
| 16 | – | Not used |
| 17 | – | Not used |
| 18 | – | Not used |
| 19 | 15 A* | Powertrain Control Module (PCM), Fuel injectors, NGV fuel injector module |
| 20 | 15 A* | PCM, HEGOs |
| 21 | – | Not used |
| 22 | – | Not used |
| 23 | – | Not used |
| 24 | – | Not used |
| 101 | 30A** | Ignition switch, Starter motor solenoid via starter relay, IP fuses 7, 9, 12 and 14 |
| 102 | 50A** | Cooling fan (engine) |
| 103 | 40A** | Blower motor |
| 104 | 40A** | Heated backlight relay |
| 105 | 30A** | PCM power relay or NGV module (natural gas vehicles only), Diagnostic connector, PDB 19 and 20, A/C clutch relay, Fuel pump module relay |
| 106 | 40A** | Anti-lock Brake System (ABS) |
| 107 | 50A** | Police rear access power point (Police vehicles only) |
| 108 | 50A** | Police rear access power point (Police vehicles only) |
| 109 | 50A** | Light bar (Police vehicle option) |
| 110 | 50A** | Relay switch for front PDB (Police vehicle option) |
| 111 | 30A** | Power relay switch feed (Police vehicle option) |
| 112 | 50A** | Ignition switch feed to IP fuses 4, 6, 8, 11, 13, 15, 17, 20, 22 and 28 |
| 113 | 50A** | Feeds IP fuses 3, 5, 21, 23, 25, 27 |
| 114 | 30A** | VAP Steering, Air suspension compressor, Instrument cluster |
| 115 | 50A** | Ignition switch feed to IP fuses 16 and 18 |
| 116 | 30A** | Wipers |
| 117 | 50A** | B+ feed for front PDB (Police vehicle option) |
| 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 or Police stop lamp relay (police vehicles only) |
| 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 |
| 502 | Diode | A/C clutch |
| 503 | – | Not used |
| 601 | – | Not used |
| 602 | 20A** | Adjustable pedais, Power seat, Locks, Decklid, Lumbar, Decklid release (Police vehicle option) |
| * Mini fuse ** Circuit breaker/Maxi fuse | ||
Conclusion
The 2003-2004 Ford Crown Victoria combines classic design with dependable performance. Proper maintenance of the fuse box and relays is essential to ensure seamless functionality of its electrical systems.
