Mercury Marauder 2003-2004 is the high-performance Panther-platform sedan derived from the Grand Marquis. It uses a passenger-compartment fuse panel below the dashboard and a Power Distribution Box in the engine compartment.
Although the electrical architecture is closely related to the Mercury Grand Marquis 2003-2011, the Marauder has its own equipment and circuit assignments. The tables below therefore preserve the Marauder-specific fuse, relay and diode layout.
Fuse-box locations
Passenger compartment: below the dashboard to the left of the steering wheel, near the brake pedal. Engine compartment: the Power Distribution Box contains the high-current fuses and main relays.
Passenger-compartment fuse panel
| Position | Rating [A] | Protected component / function |
|---|---|---|
| 1 | 15 | CD changer, audio system |
| 2 | 5 | Audio |
| 3 | 7.5 | Mirrors |
| 4 | 10 | Airbags |
| 5 | – | Not used |
| 6 | 15 | Instrument-cluster warning-lamp module, overdrive-control switch, Lighting Control Module, gauge package, analog instrument cluster |
| 7 | 10 | Driver Door Module, audio – START |
| 8 | 25 | PCM power relay, coil-on-plug ignition, radio noise capacitor, Passive Anti-Theft System |
| 9 | 5 | Transmission-range sensor |
| 10 | 10 | Heated rear window, heated mirrors |
| 11 | 5 | Traction-control relay – ABS with traction control |
| 12 | 15 | Multifunction turn-signal / hazard switch |
| 13 | 5 | Audio – RUN/ACC |
| 14 | 10 | Anti-lock Brake System, instrument cluster |
| 15 | 15 | Speed control, Lighting Control Module, clock, EATC blower-motor relay, door-lock switch illumination, moonroof, heated-seat switch |
| 16 | 15 | Reversing lamps, shift lock, DRL module, Variable Assist Power Steering, electrochromic day/night mirror, overhead console, air suspension, climate control, chime module, heated-seat module, Driver Door Module |
| 17 | 7.5 | Wiper motor |
| 18 | 15 | Fog lamps |
| 19 | 15 | Stop lamps, brake signal to PCM, ABS and speed-control module, Driver Door Module |
| 20 | – | Not used |
| 21 | 15 | Lighting Control Module for parking lamps and interior lighting, autolamp / sunload sensor |
| 22 | 20 | Speed-control servo, multifunction hazard switch, brake on/off switch, I/P fuse 19 feed |
| 23 | 15 | EATC module, instrument cluster, clock, Lighting Control Module, interior lamps, door-lock switches |
| 24 | 10 | Left low beam |
| 25 | 15 | Cigarette lighter |
| 26 | 10 | Right low beam |
| 27 | 25 | Lighting Control Module for cornering lamps and high beams, police-vehicle option |
| 28 | 20 | Power windows, Driver Door Module |
| 29 | – | Not used |
| 30 | – | Not used |
| 31 | – | Not used |
| 32 | – | Not used |
Engine-compartment power distribution box
| Position | Rating [A] | Protected component / function |
|---|---|---|
| 1 | 25 | Audio |
| 2 | 20 | Power outlet |
| 3 | 25 | Heated seats |
| 4 | 15 | Horn |
| 5 | 20 | Fuel pump |
| 6 | 15 | 2004: alternator |
| 7 | 25 | Moonroof |
| 8 | 20 | Driver Door Module |
| 9 | – | Not used |
| 10 | – | Not used |
| 11 | 20 | Daytime Running Lamps |
| 12 | – | Not used |
| 13 | – | Not used |
| 14 | – | Not used |
| 15 | – | Not used |
| 16 | – | Not used |
| 17 | – | Not used |
| 18 | – | Not used |
| 19 | 15 | Powertrain Control Module, fuel injectors |
| 20 | 15 | PCM, heated exhaust-gas oxygen sensors |
| 21 | – | Not used |
| 22 | – | Not used |
| 23 | – | Not used |
| 24 | – | Not used |
| 101 | 30 | Ignition switch, starter-motor coil through starter relay, I/P fuses 7, 9, 12 and 14 |
| 102 | 50 | Cooling fan motor |
| 103 | 40 | Blower motor |
| 104 | 40 | Heated rear-window relay |
| 105 | 30 | PCM power relay, OBD-II diagnostic connector, PDB fuses 19 and 20, A/C clutch relay, fuel-pump module relay |
| 106 | 40 | Anti-lock Brake System |
| 107 | – | Not used |
| 108 | – | Not used |
| 109 | – | Not used |
| 110 | – | Not used |
| 111 | – | Not used |
| 112 | 50 | Ignition-switch feed to I/P fuses 4, 6, 8, 11, 13, 15, 17, 20, 22 and 28 |
| 113 | 50 | Feed to I/P fuses 3, 5, 21, 23, 25 and 27 |
| 114 | 30 | Variable Assist Power Steering, air-suspension compressor, instrument cluster |
| 115 | 50 | Ignition switch |
| 116 | 30 | Wipers |
| 117 | – | Not used |
| 118 | 20 | ABS |
| 401 | – | Not used |
| 601 | – | Not used |
| 602 | 20 | Adjustable pedals, power seats, power locks, decklid and lumbar support |
| Relay | ||
| 201 | Relay | Horn |
| 202 | Relay | PCM |
| 203 | Relay | Fuel pump |
| 204 | Relay | A/C clutch |
| 205 | Relay | Traction-control switch |
| 206 | Relay | Not used |
| 207 | Relay | Fog lamps |
| 208 | Relay | Moonroof |
| 209 | Relay | 2004: high beams disabled with fog lamps |
| 301 | Relay | Blower motor |
| 302 | Relay | Ignition coil |
| 303 | Relay | Air suspension |
| 304 | Relay | Heated rear window |
| Diode | ||
| 501 | Diode | PCM diode |
| 502 | Diode | 2004: A/C clutch |
| 503 | Diode | Not used |
Commonly checked fuses
- Cigarette lighter: cabin position 25 – 15 A.
- Power outlet: under-hood position 2 – 20 A.
- Fuel pump: under-hood position 5 – 20 A, with relay 203.
- ABS: under-hood positions 106 – 40 A and 118 – 20 A; cabin position 14 – 10 A also supplies ABS-related circuitry.
- Heated seats: under-hood position 3 – 25 A.
- Air suspension: relay 303, with system supply also associated with position 114.
FAQ – Mercury Marauder 2003-2004 fuses
Where is the fuel-pump fuse?
Under-hood position 5 – 20 A. The fuel-pump relay is position 203.
Where is the cigarette-lighter fuse?
Cabin position 25 – 15 A.
Which fuse supplies the OBD-II diagnostic connector?
Under-hood position 105 – 30 A supplies the PCM power relay, OBD-II connector and several related powertrain circuits.
Can I use a Grand Marquis diagram instead?
The cars share Panther architecture, but the Marauder has model-specific equipment and assignments. Use the Marauder table for diagnosis.