Ford Mustang | 1998-2004 | Fuse Box Location and Diagram

The fourth-generation Ford Mustang (SN95), following its 1998 facelift, was produced from 1998 to 2004. With its modernized styling, improved performance, and updated features, this version of the Mustang continued to uphold its status as a quintessential American muscle car.

In this article, you will find fuse box diagrams for Ford Mustang models produced between 1998 and 2004, covering years 1998, 1999, 2000, 2001, 2002, 2003, and 2004. These diagrams provide essential insights into the fuse layout and relay assignments, helping owners and technicians effectively maintain and troubleshoot the vehicle’s electrical systems.

What’s Included:

  • Fuse Box Diagrams: Clear and detailed visuals for quick identification of fuses and relays.
  • Fuse Panel Locations: Step-by-step instructions to locate the fuse panels inside your Ford Mustang.
  • Fuse Assignments: Comprehensive descriptions of each fuse and relay’s function for accurate diagnostics and repairs.

Whether you’re replacing a blown fuse, addressing an electrical issue, or performing routine maintenance, this guide is an indispensable resource for Ford Mustang (1998–2004) owners and technicians. It ensures the vehicle’s systems remain functional and reliable.

Keep your Ford Mustang (1998–2004) running at its best with this detailed fuse box guide!

The cigar lighter (power outlet) fuses in the Ford Mustang are fuse No.1 (Cigar Lighter) in the Instrument Panel Fuse Box, and fuse No.9 (Auxiliary Power Point) in the Engine Compartment Fuse Box.

Passenger compartment fuse box

Fuse box location

It is located under the instrument panel on the driver’s side.

The location of the fuses in the passenger compartment: Ford Mustang (1998-2004)

Fuse box diagram

Interior fuse box diagram: Ford Mustang (1998, 1999, 2000, 2001, 2002, 2003, 2004)

Assignment of the fuses in the Passenger compartment

Amp RatingDescription
120ACigar Lighter
220AEngine Controls
3Not Used
410ARight-hand Low Beam Headlamp
515AInstrument Cluster, Traction Control Switch
620AStarter Motor Relay
715AGEM, Interior Lamps
820AEngine Controls
9— / 30A1998-2001: Not Used
2002-2004: Mach 460 subwoofers
1010ALeft-hand Low Beam Headlamp
1115ABack-up Lamps
12— / 2A1998-2003: Not Used
2004: Heated PCV
1315AElectronic Flasher
14Not Used
1515APower Lumbar
16Not Used
1715ASpeed Control Servo, Shift Lock Actuator
1815AElectronic Flasher
1915APower Mirror Switch, GEM, Anti-Theft Relay, Power Door Locks, Door Ajar Switches
2015AConvertible Top Switch
215AInstrument Cluster and Engine Control Memory
22Not Used
2315AA/C Clutch, Defogger Switch
2430AClimate Control Blower Motor
2525ALuggage Compartment Lid Release
2630AWiper/Washer Motor, Wiper Relays
2725ARadio
2815AGEM, Overdrive Cancel Switch
2915AAnti-lock Brake System (ABS) Module
3015ADaytime Running Lamps (DRL) Module
3110AData Link Connector
3215ARadio, CD Player, GEM
3315AStop Lamp Switch, Speed Control Deactivation Switch
3420AInstrument Cluster, CCRM, Data Link Connector, Securilock Transciever Module
3515AShift Lock Actuator, Powertrain Control Module (PCM), Speed Control Servo, ABS Module
3615AAirbag Control Module
3710AAdjustable Illumination
3820AHigh beams
395AGEM
40Not Used
4115ABrake Lamp
42Not Used
4320A (CB)Power Windows
44Not Used

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Engine compartment fuse box

Fuse box location

The location of the fuses in the engine compartment: Ford Mustang (1998-2004)

Fuse box diagram

Under-hood fuse box diagram: Ford Mustang (1998, 1999, 2000, 2001, 2002, 2003, 2004)

Assignment of the fuses and relays in the Engine compartment

Amp RatingDescription
Relay 1Fog Lamp Interrupt
Relay 2Interval wiper
Relay 3Wiper HI/LO
Relay 4Starter
Relay 5Fog Lamps
150A (4.6L)
30A CB (3.8L)
Electric Cooling Fan Motor
230AHeadlamps
340AStarter Motor Relay, Ignition Switch
440AIgnition Switch
540AIgnition Switch
640AInstrument Cluster, Powertrain Control Module (PCM)
730A1998-2003: Secondary Air Injection (3.8L only)
2004: Not Used
850AABS Module
920AAuxiliary Power Point
1030AParklamps
1130ARear Window Defrost Control
1240A1998-2003: Power Windows, Power Locks
2004: Power locks
13— / 30A1998-2001: Not Used
2002-2004: MACH 1000 left amplifiers
1420AFuel Pump
1510A/30A1998-2001: Radio
2002-2004: MACH 1000 right amplifiers
1620AHorn
1720AAnti-Lock Brake System
1825APower Seats
19— / 10A1998-2002: Not Used
2003-2004: Intercooler pump (Cobra only)
2020AGenerator (Alternator)
21Not Used
22Not Used
23Not Used
2420AA/C Pressure
25Not Used
2630APCM
2720ADaytime Running Lamps (DRL) Module, Foglamp Relay
2825A CBConvertible Top
29Diode1998-2003: Convertible top circuit breaker
2004: Not Used

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