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Ford Mustang (1998-2004) fuses and relays

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In this article, we consider the fourth-generation Ford Mustang after a facelift, produced from 1998 to 2004. Here you will find fuse box diagrams of Ford Mustang 1998, 1999, 2000, 2001, 2002, 2003 and 2004, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

Fuse Layout Ford Mustang 1998-2004


Cigar lighter (power outlet) fuses in the Ford Mustang are the fuse #1 (Cigar Lighter) in the Instrument panel fuse box, and fuse #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.

Fuse box diagram

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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

Fuse box diagram

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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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