2018 Ford Expedition Fuse Box Diagram

When faced with electrical problems, the 2018 Ford Expedition fuse box diagram serves as a helpful tool to locate and replace blown fuses accurately.

In this article we will take a deep dive into this invaluable resource. With a exact breakdown of each fuse’s function, we aim to provide you with a comprehensive understanding of how these tiny power guardians contribute to the seamless operation of your vehicle’s electrical components.

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 Ford Expedition Owner’s Manual.

2018 Ford Expedition Fuse Box Diagram

Engine Compartment

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.
1Micro fuses /  2M case fuses.

Fuse Number	Fuse Rating	Protected Component
1	25A1	Horn.
2	50A2	Fan 1.
3	30A2	Front wiper motor.
4	—	Not used.
5	30A2	Starter relay.
6	20A2	Powerpoint 1.
8	20A2	Powerpoint 2.
10	5A1	Rain sensor.
12	—	Not used.
13	10A1	4×4 module.   Heated backlite.   Heated mirror relay coil.   Heated wiper park relay coil.   Transmission isolation relay coil.
14	15A1	Transmission control module.
15	15A1	Voltage quality module run/start power.   Blindspot information system.   Head-Up Display.   Image processing module B.   Front view camera.   Rearview camera.   Cruise control module.
16	10A1	Powertrain control module (PCM) run/start feed.
17	10A1	Antilock brake system run/ start feed.
18	10A1	Electronic power assist steering run / start feed.
19	—	Not used.
20	40A2	Front blower.
21	40A2	Passenger seat motors.
22	20A1	Not used.
23	10A1	Alternator A-line.
24	30A2	Trailer brake control module.
25	50A2	Body control module power 1.
26	50A2	Electronic fan 3.
27	40A2	Driver seat motors.
28	15A1	Rear heated seats.
29	10A1	Integrated wheel end solenoid.
30	25A2	Trailer tow class II-IV battery charge.
31	50A2	Power folding seat module.
32	10A1	A/C clutch.
33	—	Not used.
34	—	Not used.
35	20A1	Vehicle power 4.
36	10A1	Vehicle power 3.
37	25A1	Vehicle power 2.
38	25A1	Vehicle power 1.
39	—	Not used.
41	50A2	Inverter.
43	20A2	Trailer Tow Light Module Class II-IV.
45	20A2	Front/rear washer pump.
46	7.5A1	Family entertainment system.
47	—	Not used.
48	—	Not used.
49	—	Not used.
50	30A2	Fuel pump.
51	20A2	Powerpoint 3.
52	50A2	Body control module (BCM) voltage quality module (VQM).
53	25A2	Trailer tow park lamps relay.
54	40A2	Electronic limited-slip differential relay.
55	40A2	AUX blower.
56	20A2	Powerpoint 4.
58	5A1	Not used (spare).
59	—	Not used.
60	5A1	Not used (spare).
61	25A1	Not used (spare).
62	25A1	Not used (spare).
63	25A1	4×4 module.
64	—	Not used.
65	—	Not used.
66	—	Not used.
67	—	Not used.
69	—	Not used.
70	40A2	Anti-lock brake system/ parking brake module.
71	25A2	4×4 module.
72	—	Not used.
73	—	Not used.
74	10A1	Trailer tow backup lamps.
75	—	Not used.
76	50A2	Body control module power 2.
77	30A2	Climate-controlled (Heated/Vented) seat module.
78	20A1	Not used (spare).
79	—	Not used.
80	10A1	Heated wiper park.
81	—	Not used.
82	—	Not used.
83	15A1	Transmission control module power.
84	—	Not used.
85	—	Not used.
86	5A1	USB smart charger 5.
87	5A1	USB smart charger 3.
88	10A1	Multi-contour seat relay.
89	40A2	Power running boards.
91	30A2	Power liftgate module.
93	15A1	Heated mirrors.
94	5A1	USB smart charger 1.
95	10A1	USB smart charger 2.
96	30A2	Rear wiper motor relay.
97	40A2	Intercooler puller relay fan.
98	15A2	Transmission oil pump.
99	40A2	Heated backlite.
100	20A2	Powerpoint 5.
101	25A2	Fan 2.
102	—	Not used.
103	—	Not used.
104	—	Not used.
105	—	Not used.

Relay Number	Protected Component
R02	Electric fan 2.
R05	Powertrain Control Module.

Passenger Compartment Fuse Panel

3Micro 2 fuses/ 4Micro 3 fuses

Fuse or Relay Number	Fuse Rating	Protected Component
1	—	Not used.
2	7.5A 3	Driver seat switch.
3	20A3	Driver door unlock.
4	5A3	Trailer brake controller.
5	20A3	Speaker amplifier.
6	10A4	Not used (spare).
7	10A4	Not used (spare).
8	—	Not used.
9	10A4	Rear seat entertainment module.   Head-up display.
10	5A4	Wireless accessory charger module.   Hands-free liftgate module.   Power liftgate module.
11	5A4	Keypad.   Combined sensor module.
12	7.5A4	Cluster.   Electronic control panel.   Smart datalink connector logic.
13	7.5A4	Gear shift module.   Steering column control module.
14	10A4	Extended power module.   Brake switch.
15	10A4	Smart datalink connector power.
16	15A3	Liftglass release.
17	5A4	Telematics control unit – modem.
18	5A4	Ignition switch.   Key inhibit solenoid.   Push button start switch.
19	7.5A4	Transmission control switch.   Gearshift module.
20	7.5A4	Not used.
21	5A4	Humidity and in–car temperature sensor.
22	5A4	Electrochromatic mirror.   Second row heated seat module.
23	10A3	Moonroof logic.   Inverter.   Power window switch.   Power mirror switch.
24	20A3	Central lock unlock
25	30A3	Left front door zone module.
26	30A3	Right front door zone module.
27	30A3	Moonroof.
28	20A3	Stereo amplifier.
29	30A3	Left rear door zone module.
30	30A3	Right rear door zone module.
31	15A3	Adjustable pedals.
32	10A3	Humidity and in–car temperature sensor.
33	20A3	Audio control module.
34	30A3	Run/start relay.
35	5A3	Extended power mode module.
36	15A3	Image processing module A.   Automated park assist module.   Continuous control damping module.
37	20A3	Heated steering wheel.
38	30A Circuit Breaker	Left rear power window.   Right rear power window.