2018 Ford Explorer Fuse Box Diagram

In this article, we will explore the importance of the 2018 Ford Explorer fuse box diagram, outlining methods to access it, and troubleshooting common issues associated with the fuse box.

Ford Explorer owners, familiarizing themselves with the fuse box diagram is an indispensable task. This diagram serves as a key reference, allowing owners to effectively identify and address electrical problems that may arise.

By understanding the layout and functionality of the fuse box, owners gain the knowledge needed to troubleshoot issues and ensure the smooth operation of their SUV’s electrical system.

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.

Why Fuse Box Diagram is important?

The fuse box diagram in the 2018 Ford Explorer holds significant importance for owners. Acting as a central hub, the fuse box houses fuses that protect electrical circuits. Its main purpose is to safeguard the SUV’s electrical system by preventing excessive current flow and protecting components from damage. When an overload or short circuit occurs, a fuse blows, interrupting electricity flow. This prevents further damage and ensures faults don’t affect other components.

The fuse box diagram is crucial as it helps owners understand the layout and arrangement of fuses. It visually represents fuse ratings and positions, making it easy to identify and locate the right fuses for specific components. Understanding the fuse box diagram empowers owners to maintain their vehicle’s electrical integrity and effectively address any issues.

What to do before changing the fuses?

Before proceeding to change the fuses in your Explorer, it is crucial to follow these precautions to ensure your safety and prevent any potential electrical accidents.

  • When dealing with high-current fuses, the first and foremost guideline is to disconnect the battery.
  • After completing the fuse replacement, it is crucial to remember to replace the cover of the power distribution box before reconnecting the battery or refilling fluid reservoirs.
  • It is imperative to always replace a fuse with one that matches the exact amperage rating specified. Using a fuse with a higher amperage rating can have severe consequences, including extensive wire damage and, in extreme cases, the potential for a fire hazard.
Note: The respective vehicle owner's manual will provide you with the most accurate and up-to-date information. It's important to go through owner's manual for the exact location and identification of the fuse box in your vehicle, as the location can vary slightly depending on the trim level or optional features.

2018 Ford Explorer Fuse Box Diagram (Power Distribution Box)

The power distribution box, located in the engine compartment, is the designated housing for high-current fuses that act as crucial protectors for the primary electrical systems of your vehicle. These fuses play a pivotal role in safeguarding the systems from overloads, ensuring their smooth operation, and preventing any potential damage from occurring.

1Micro 2 fuse / 2M-case fuse / 3J-case fuse
Fuse or Relay Number  Fuse Rating  Protected Component  
1  20A1  Powertrain control module power.  
2  20A1  Engine emissions (MIL).  
3  20A1  A/C clutch control relay coil.   Variable Air Conditioning Compressor.   Active grille shutters.  
4  20A1  Ignition coils.  
5  —  Not used.  
6  —  Not used.  
7  —  Not used.  
8  —  Not used.  
9  —  Not used.  
10  15A1  Heated mirrors.  
11  —  Not used.  
12  40A2  Heated rear window.  
13  —  Not used.  
14  —  Powertrain control module relay.  
15  20A1  Horn relay power.  
16  10A1  A/C clutch relay power.  
17  —  Rear heated window and heated mirrors relay.  
18  —  Rear blower motor relay.  
19  —  Not used.  
20  —  Left-hand side cooling fan relay.  
21  —  Cooling fans series/parallel relay.  
22  25A2  Electronic fan relay 2.  
23  —  Not used.  
24  —  Right-hand side electronic cooling fan 3 relay.  
25  —  Not used.  
26  30A2  Anti-lock brake system valves.  
27  30A2  Trailer tow battery charge relay power.  
28  —  Not used.  
29  —  Starter relay.  
30  —  Not used.  
31  10A1  Electric power-assisted steering.  
32  10A1  Anti-lock brake system module.  
33  10A1  Powertrain control module (Ignition Switch Position – Run).  
34  10A1  Blind spot information system.   Adaptive cruise control.   Front view camera.   Rear camera.  
35  —  Not used.  
36  —  Blower motor relay.  
37  —  Trailer tow battery charge relay.  
38  —  A/C compressor clutch relay.  
39  —  Horn relay.  
40  —  Not used.  
41  40A2  Rear blower motor.  
42  —  Not used.  
43  40A2  Front blower motor.  
44  50A3  Voltage quality module bus.  
45  40A3  Electronic fan relay 1.  
46  30A3  Trailer tow brake controller.  
47  —  Not used.  
48  50A3  Body control module RP1 bus.  
49  —  Not used.  
50  50A3  Body control module RP2 bus.  
51  50A3  Electronic fan relay 3.  
52  60A3  Anti-lock brake system pump.  
53  —  Not used.  
54  —  Not used.  
55  —  Not used.  
56  40A2  Power inverter.  
57  —  Not used.  
58  —  Not used.  
59  —  Not used.  
60  20A2  Powerpoint (front console bin).  
61  —  Not used.  
62  20A2  Powerpoint (instrument panel).  
63  30A2  Fuel pump.  
64  —  Not used.  
65  20A2  Powerpoint (2nd row) (without USB charger).  
66  —  Not used.  
67  20A2  Powerpoint (cargo area).  
68  —  Not used.  
69  30A2  Power liftgate.  
70  15A2  Trailer tow left-hand and right-hand stop and direction indicator lamps.  
71  —  Not used.  
72  30A2  Heated/cooled seats.  
73  30A2  Driver seat module.   Driver seat power.  
74  30A2  Passenger seat power.  
75  30A2  Front wiper motor.  
76  —  Not used.  
77  —  Not used.  
78  30A2  3rd-row power folding seat module relay.  
79  30A2  Starter relay.  
80  —  Not used.  
81  10A1  Trailer tow backup lamp relay.  
82  20A2  Steering column lock (if equipped).  
83  10A1  Brake on/off switch.  
84  —  Not used.  
85  5A1  2nd row USB charger (if equipped).  
86  —  Not used.  
87  —  Not used.  
88  —  Not used.  
89  —  Not used.  
90  —  Not used.  
91  —  Not used.  
92  15A1  Multi-contour seat module relay.  
93  10A1  Alternator sense.  
94  15A1  Rear washer relay.  
95  15A1  Rear wiper relay.  
96  10A1  Powertrain control module relay coil power.  
97  5A1  Rain sensor.  
98  20A1  2nd-row seat motors.  
99  20A1  Trailer tow parking lamp relay.  

2018 Ford Explorer Fuse Box Diagram (Passenger Compartment Fuse Panel)

The fuse panel in the Passenger Compartment is cleverly designed to be positioned beneath the dashboard, specifically on the left-hand side of the steering wheel. Being situated close to the dashboard enables swift and trouble-free examination, replacement, or troubleshooting of the fuses. Whether you come across an electrical issue or need to alter the fuses, the fuse panel’s convenient positioning guarantees that you can efficiently carry out these tasks without any unnecessary complications.

4Micro 2 fuse /  5Micro 3 fuse /  6Circuit breaker
Fuse or Relay Number  Fuse Rating  Protected Components  
1  —  Not used.  
2  7.5A4  Memory seat switch (lumbar power).  
3  20A4  Driver unlock relay.  
4  5A4  Aftermarket electronic brake controller.  
5  20A4  Rear heated seat module.  
6  —  Not used.  
7  —  Not used.  
8  —  Not used.  
9  —  Not used.  
10  5A5  Embedded modem.   Hands free liftgate.  
11  5A5  Rear climate control module.   Securicode™ keyless entry keypad.   Power liftgate module.  
12  7.5A5  Front climate control module.  
13  7.5A5  Instrument cluster.   Smart data link.   Steering column control module.  
14  10A5  Extended power module.  
15  10A5  Smart datalink connector power.   Heads up display.  
16  —  Not used.  
17  5A5  Electronic finish panel.  
18  5A5  Push button start switch.   Ignition switch.   Key inhibit.  
19  7.5A5  Transmission control switch.  
20  —  Not used.  
21  5A5  Terrain management switch.   Heads up display.   Humidity sensor.  
22  5A5  Occupant classification sensor.  
23  10A4  Delayed accessory power.   Power windows.   Moonroof.   Folding mirror relay.   DC inverter.   Window/moonroof switch illumination.  
24  20A4  Central lock relay.  
25  30A4  Left-hand front smart window motor.   Door zone module.  
26  30A4  Right-hand front smart window motor.   Door zone module.  
27  30A4  Moonroof.  
28  20A4  Sony amplifier – 10 channel.  
29  30A4  Sony amplifier – 14 channel.  
30  —  Not used.  
31  —  Not used.  
32  10A4  SYNC module.   GPS module.   Display.   Radio frequency receiver.  
33  20A4  Radio.  
34  30A4  Starter relay.  
35  5A4  Restraints control module.   Extended power module.  
36  15A4  Lane departure warning module.   Auto high beam.   EC mirrors.   Rear heated seats.  
37  20A4  Heated steering wheel.  
38  30A6  Left-hand front window motor.   Rear power window motors.  
For more information on troubleshooting car electrical issues, you can refer to our "How do you check car fuses without removing them?" article to gain further insights and guidance. With in-depth information on common causes of fuse failures and offers effective solutions. Enhance your understanding of car electrical systems and address fuse-related challenges with confidence. 


To summarize, the fuse box diagram for the 2018 Ford Explorer serves as a valuable resource, empowering owners to effectively troubleshoot electrical problems and ensure the smooth operation of their vehicle’s electrical system. Understanding the layout and rating of fuses allows for accurate identification and replacement of blown fuses, minimizing downtime and potential damage.

It is important to recognize that electrical systems can be complex, and certain issues may require professional expertise. If you encounter intricate electrical problems or feel uncertain about handling them yourself, it is highly recommended to seek the assistance of a qualified mechanic or electrician. They possess the necessary knowledge and experience to diagnose and address complex electrical issues safely and efficiently.

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