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.

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)

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/RelayLocation	Fuse AmpRating	Description
1	20A*	Trailer Tow Running Lamp Relay, Trailer Tow Backup Lamp Relay
2	10A*	Air Bag Diagnostic Monitor
3	30A*	All Unlock Relay, All Lock Relay, Driver’s Unlock Relay
4	15A*	Air Suspension Service Switch
5	20A*	Horn Relay
6	30A*	Radio, Premium Sound Amplifier, CD Changer, Rear IntegratedControl Panel, Sub-Woofer Power(Fuse 3 & Fuse 5)
7	15A*	Main Light Switch, Park LampRelay
8	30A*	Main Light Switch, HeadlampRelay, Multi-Function Switch
9	15A*	Daytime Running Lamps (DRL)Module, Fog Lamp Relay
10	25A*	I/P Auxiliary Power Socket
11	25A*	Console Auxiliary Power Socket
12	10A*	Rear Wiper Up Motor Relay, RearWiper Down Motor Relay
13	30A**	Auxiliary A/C Relay
14	60A**	4 Wheel Anti-Lock Brake System(4WABS) Module
15	50A**	Air Suspension Solid StateCompressor Relay
16	40A**	Trailer Tow Battery Charge Relay, Engine Fuse Module (Fuse 2)
17	30A**	Shift on the Fly Relay, TransferCase Shift relay
18	30A**	Power Seat Control Switch
19	20A**	Fuel Pump Relay
20	50A**	Ignition Switch (B4 & B5)
21	50A**	Ignition Switch (B1 & B3)
22	50A**	Junction Box Fuse/Relay PanelBattery Feed
23	40A**	I/P Blower Relay
24	30A**	PCM Power Relay, Engine FuseModule (Fuse 1)
25	30A CB	Junction Box Fuse/Relay Panel, ACC Delay Relay
26	—	Not Used
27	40A**	Junction Box Fuse/Relay Panel, Heated Grid Relay
28	30A**	Trailer Electronic BrakeController
29	30A**	Flip Window Relay, HybridCooling Fan Relay

1998 Ford Expedition Fuse Box Diagram (Passenger compartment panel)

Fuse/RelayLocation	Fuse AmpRating	Description
1	15A	Flasher Relay
2	5A	Instrument Cluster, Overhead TripComputer (OTC) Module
3	25A	Cigar Lighter
4	5A	Park Lamp Relay, HeadlampRelay, Autolamp Module, RemoteAnti-Theft Personality (RAP)Module, Power Mirror Switch
5	15A	Digital 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
6	5A	Shift Lock Actuator, GenericElectronic Module (GEM), 4Wheel Air Suspension (4WAS)Module, Compass Sensor, SteeringWheel Rotation Sensor, HeatedGrid Relay, Overhead TripComputer (OTC) Module
7	5A	Auxiliary A/C Relay, ConsoleBlower Motor
8	5A	Radio, Main Light Switch, RemoteAnti-Theft Personality (RAP)Module
9	—	Not Used
10	—	Not Used
11	30A	Washer Pump Relay, WiperRun/Park Relay, Wiper Hi/LoRelay, Windshield Wiper Motor, Rear Wiper Pump Relay
12	5A	Data Link Connector (DLC)
13	15A	Brake On/Off (BOO) Switch, Brake Pressure Switch
14	15A	Battery Saver Relay, InteriorLamp Relay
15	5A	Generic Electronic Module(GEM), Passive Anti-Theft System(PATS) Module
16	20A	Instrument Cluster (W/O DRL), Daytime Running Lamps (DRL)Module, Hi-Beam Headlamps(Power supplied through Multi-Function Switch)
17	10A	Heated Backlight Switch, LeftPower/Heated Signal Mirror, RightPower/Heated Signal Mirror
18	5A	Main Light Switch, GenericElectronic Module (GEM), Instrument Illumination (Power supplied through Main LightSwitch)
19	10A	Instrument Cluster, Air BagDiagnostic Monitor
20	5A	4 Wheel Air Suspension (4WAS), Generic Electronic Module (GEM)
21	15A	Digital Transmission Range (DTR)Sensor, Junction Box Fuse/RelayPanel (Fuse 20)
22	10A	Air Bag Diagnostic Monitor
23	10A	Trailer 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
24	10A	Function Selector Switch
25	5A	4 Wheel Anti-Lock Brake System(4WABS) Module, 4WABS Relay
26	10A	Daytime Running Lamps (DRL) Module, Right Headlamp (Power supplied through Multi-FunctionSwitch)
27	5A	Main Light Switch, Fog LampRelay
28	10A	Left Headlamp
29	5A	Autolamp Module, InstrumentCluster, Transmission ControlSwitch (TCS)
30	30A	Radio Noise Capacitor, IgnitionCoil, PCM Power Diode, Coil OnPlugs
31	—	Not Used

1998 Ford Expedition Standard fuse amperage rating and color

Fuse rating	Color
5 amp	Tan
7.5 amp	Brown
10 amp	Red
15 amp	Light blue
20 amp	Yellow
20 amp fuse link	Light blue
25 amp	Natural
30 amp	Light green
30 amp fuse link	Pink
40 amp fuse link	Green
50 amp fuse link	Red
60 amp fuse link	Yellow
80 amp fuse link	Black
100 amp fuse link	Dark blue

1998 Ford Expedition Primary battery fuses (Mega fuses)

Location	Amperage	Description
1	175	Power Network Box Megafuse
2	175	Alternator Megafuse
3	20	Alternator Field Minifuse

1998 Ford Expedition Engine mini fuse box

SlotNumber	FuseAmperageRating	Circuits Protected
1	5 amp	Powertrain Control Module (PCM)
2	20 amp	Trailer Tow Stop/Turn Lamps
3	10 amp	Audio Rear Integrated Control Panel(RICP), Compact Disc Changer, Radio
4	10 amp	Running Board Lamps
5	20 amp	Amplifier, Subwoofer Amplifier
6	—	Not Used