Mastering the Fuse Box: 1998 Ford Expedition Fuse Box Diagram

A detailed Guide to the 1998 Ford Expedition Fuse Box Diagram, Step-by-step, we walk you through the 1998 Ford Expedition’s Electrical System, providing clear charts and annotations to help you become a master of your truck’s electrical system. Whether you’re a visual learner or simply prefer a hands-on approach, this article will serve as your go-to resource for understanding electrical issues.

The electrical system plays a vital role in ensuring your vehicle operates smoothly and provides an enjoyable driving experience. Think of the fuse box as a reliable guardian, protecting important electrical components by regulating the flow of electricity. With a comprehensive fuse box diagram at your disposal, you have the ability to navigate through the complex network of electrical pathways. This empowers you to effortlessly identify specific fuses, understand their ratings, and confidently diagnose any electrical issues that may arise. By addressing these concerns promptly, you save valuable time and potential repair costs, while also prioritizing the safety and optimal performance of your cherished vehicle.

Note: All information contained in this Quick Reference Guide was accurate at the time of duplication. For detailed operating and safety information, please consult your Owner’s Manual.

1998 Ford Expedition Fuse Box Diagram Chart (Power Distribution Box)

Situated in the engine compartment, you’ll find the power distribution box, which serves as a crucial safeguard for your vehicle’s primary electrical systems. Equipped with high-current fuses, its purpose is to shield these systems from overloads that could potentially cause damage. To facilitate easy identification, the high-current fuses are uniquely coded, allowing you to discern their specific roles and responsibilities within the electrical system. This arrangement not only enhances convenience but also reinforces the importance of maintaining the integrity and efficiency of your vehicle’s electrical components.

Note: In the event that you need to disconnect and reconnect the battery, it's important to note that certain features may require resetting. This step is necessary to restore their functionality.

* Mini Fuses / ** Maxi Fuses
Fuse/RelayLocationFuse AmpRatingDescription
120A*Trailer Tow Running Lamp Relay, Trailer Tow Backup Lamp Relay
210A*Air Bag Diagnostic Monitor
330A*All Unlock Relay, All Lock Relay, Driver’s Unlock Relay
415A*Air Suspension Service Switch
520A*Horn Relay
630A*Radio, Premium Sound Amplifier, CD Changer, Rear IntegratedControl Panel, Sub-Woofer Power(Fuse 3 & Fuse 5)
715A*Main Light Switch, Park LampRelay
830A*Main Light Switch, HeadlampRelay, Multi-Function Switch
915A*Daytime Running Lamps (DRL)Module, Fog Lamp Relay
1025A*I/P Auxiliary Power Socket
1125A*Console Auxiliary Power Socket
1210A*Rear Wiper Up Motor Relay, RearWiper Down Motor Relay
1330A**Auxiliary A/C Relay
1460A**4 Wheel Anti-Lock Brake System(4WABS) Module
1550A**Air Suspension Solid StateCompressor Relay
1640A**Trailer Tow Battery Charge Relay, Engine Fuse Module (Fuse 2)
1730A**Shift on the Fly Relay, TransferCase Shift relay
1830A**Power Seat Control Switch
1920A**Fuel Pump Relay
2050A**Ignition Switch (B4 & B5)
2150A**Ignition Switch (B1 & B3)
2250A**Junction Box Fuse/Relay PanelBattery Feed
2340A**I/P Blower Relay
2430A**PCM Power Relay, Engine FuseModule (Fuse 1)
2530A CBJunction Box Fuse/Relay Panel, ACC Delay Relay
26Not Used
2740A**Junction Box Fuse/Relay Panel, Heated Grid Relay
2830A**Trailer Electronic BrakeController
2930A**Flip Window Relay, HybridCooling Fan Relay

1998 Ford Expedition Fuse Box Diagram (Passenger compartment panel)

Situated conveniently beneath and to the left of the steering wheel, in close proximity to the brake pedal, lies the fuse panel, which acts as the central hub for all the fuses in your vehicle. Once you remove the panel cover, you can effortlessly reach this essential component. To facilitate a seamless process of replacing fuses, the manufacturer has included a practical device known as the fuse puller within the panel cover. This tool streamlines the task of removing fuses, providing you with greater ease in upkeeping and diagnosing your electrical system.

Fuse/RelayLocationFuse AmpRatingDescription
115AFlasher Relay
25AInstrument Cluster, Overhead TripComputer (OTC) Module
325ACigar Lighter
45APark Lamp Relay, HeadlampRelay, Autolamp Module, RemoteAnti-Theft Personality (RAP)Module, Power Mirror Switch
515ADigital Transmission Range (DTR)Sensor, Daytime Running Lamps(DRL) Module, Speed ControlServo/Amplifier Assembly, Heater-A/C Control Assembly, Blend Door Actuator, ElectronicVariable Orifice (EVO) Module
65AShift Lock Actuator, GenericElectronic Module (GEM), 4Wheel Air Suspension (4WAS)Module, Compass Sensor, SteeringWheel Rotation Sensor, HeatedGrid Relay, Overhead TripComputer (OTC) Module
75AAuxiliary A/C Relay, ConsoleBlower Motor
85ARadio, Main Light Switch, RemoteAnti-Theft Personality (RAP)Module
9Not Used
10Not Used
1130AWasher Pump Relay, WiperRun/Park Relay, Wiper Hi/LoRelay, Windshield Wiper Motor, Rear Wiper Pump Relay
125AData Link Connector (DLC)
1315ABrake On/Off (BOO) Switch, Brake Pressure Switch
1415ABattery Saver Relay, InteriorLamp Relay
155AGeneric Electronic Module(GEM), Passive Anti-Theft System(PATS) Module
1620AInstrument Cluster (W/O DRL), Daytime Running Lamps (DRL)Module, Hi-Beam Headlamps(Power supplied through Multi-Function Switch)
1710AHeated Backlight Switch, LeftPower/Heated Signal Mirror, RightPower/Heated Signal Mirror
185AMain Light Switch, GenericElectronic Module (GEM), Instrument Illumination (Power supplied through Main LightSwitch)
1910AInstrument Cluster, Air BagDiagnostic Monitor
205A4 Wheel Air Suspension (4WAS), Generic Electronic Module (GEM)
2115ADigital Transmission Range (DTR)Sensor, Junction Box Fuse/RelayPanel (Fuse 20)
2210AAir Bag Diagnostic Monitor
2310ATrailer Tow Battery Charge Relay, 4X4 Center Axle Disconnect solenoid, 4X2 Center Axle Disconnect Solenoid, FunctionSelector Switch, Rear IntegratedControl Panel, RecirculationVacuum Solenoid, Auxiliary A/CMode Acturator, Auxiliary A/C Control Module
2410AFunction Selector Switch
255A4 Wheel Anti-Lock Brake System(4WABS) Module, 4WABS Relay
2610ADaytime Running Lamps (DRL) Module, Right Headlamp (Power supplied through Multi-FunctionSwitch)
275AMain Light Switch, Fog LampRelay
2810ALeft Headlamp
295AAutolamp Module, InstrumentCluster, Transmission ControlSwitch (TCS)
3030ARadio Noise Capacitor, IgnitionCoil, PCM Power Diode, Coil OnPlugs
31Not Used

1998 Ford Expedition Standard fuse amperage rating and color

Fuse ratingColor
5 ampTan
7.5 ampBrown
10 ampRed
15 ampLight blue
20 ampYellow
20 amp fuse linkLight blue
25 ampNatural
30 ampLight green
30 amp fuse linkPink
40 amp fuse linkGreen
50 amp fuse linkRed
60 amp fuse linkYellow
80 amp fuse linkBlack
100 amp fuse linkDark blue

1998 Ford Expedition Relays

Located within the power distribution box, you will find relays, which play a crucial role in the functioning of various electrical systems in your vehicle. These relays are responsible for controlling the flow of electrical power to different components, ensuring they receive the necessary energy to operate.

It is important to highlight that the replacement of relays should be carried out by qualified technicians. Relays are intricate devices that require specific knowledge and expertise to handle correctly. Qualified technicians possess the necessary skills to identify faulty relays, select appropriate replacements, and ensure they are installed properly.

Remember, when it comes to the replacement of relays, it is best to rely on the skills and knowledge of qualified technicians. Their professional assistance will help to safeguard the proper functioning of your vehicle’s electrical components, providing you with a safe and reliable driving experience.

1998 Ford Expedition Primary battery fuses (Mega fuses)

The main battery fuses can be found in close proximity to the battery within the engine compartment. These mega-fuses play a critical role in protecting the electrical system from excessive currents and potential hazards. By being situated near the battery, these primary battery fuses serve as a crucial line of defense. They effectively safeguard the electrical components of your vehicle, ensuring they operate within safe parameters and minimizing the risk of damage or malfunctions.

However, when it comes to servicing or replacing mega fuses, it is strongly recommended to seek the expertise of a qualified service technician. These professionals possess the knowledge, skills, and tools necessary to handle mega fuses accurately and safely. By entrusting this task to a qualified technician, you can have peace of mind knowing that the integrity and efficiency of your vehicle’s electrical system will be preserved.

1175Power Network Box Megafuse
2175Alternator Megafuse
320Alternator Field Minifuse

1998 Ford Expedition Engine mini fuse box

The fuse box for the engine’s mini fuses can be found conveniently on the left-hand side of the engine compartment, specifically on the driver’s side. It serves as the central hub for all the mini fuses that safeguard various electrical components within the engine. This strategic placement allows for easy access and efficient maintenance, ensuring that any fuse replacements or inspections can be performed swiftly without hindering the driver’s convenience. By having the fuse box in such a location, drivers can quickly address any electrical issues that may arise, keeping their vehicles running smoothly and their driving experience uninterrupted.

SlotNumberFuseAmperageRatingCircuits Protected
15 ampPowertrain Control Module (PCM)
220 ampTrailer Tow Stop/Turn Lamps
310 ampAudio Rear Integrated Control Panel(RICP), Compact Disc Changer, Radio
410 ampRunning Board Lamps
520 ampAmplifier, Subwoofer Amplifier
6Not Used
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2012 Ford Expedition Fuse Box Diagram.
2011 Ford Expedition Fuse Box Diagram.
2010 Ford Expedition Fuse Box Diagram.
2009 Ford Expedition Fuse Box Diagram.
2008 Ford Expedition Fuse Box Diagram.
2007 Ford Expedition Fuse Box Diagram.
2006 Ford Expedition Fuse Box Diagram.
2005 Ford Expedition Fuse Box Diagram.
2004 Ford Expedition Fuse Box Diagram.
2003 Ford Expedition Fuse Box Diagram.
2002 Ford Expedition Fuse Box Diagram.
2001 Ford Expedition Fuse Box Diagram.
2000 Ford Expedition Fuse Box Diagram.
1999 Ford Expedition Fuse Box Diagram.
1997 Ford Expedition Fuse Box Diagram.


In conclusion, the fuse box diagram for a 1998 Ford Expedition plays a vital role in ensuring the proper functioning of your vehicle’s electrical systems. It serves as a guide, providing valuable information on the location and rating of each fuse. By utilizing the fuse box diagram as a reference and seeking professional help when necessary, you can effectively maintain and troubleshoot the electrical systems of your vehicle in optimal condition for years to come.

However, it is important to remember that the fuse box diagram is just a starting point. Complex electrical problems may require the expertise of a professional mechanic. If you encounter issues that go beyond your knowledge and skills, it is highly recommended to seek assistance from a qualified technician. They have the experience and specialized tools to diagnose and repair intricate electrical faults, ensuring the safety and reliability of your vehicle.

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