2021 Ford Explorer Fuse Box Diagram

In this article, we will explore the significance of the 2021 Ford Explorer Fuse Box Diagram and how it can aid in troubleshooting electrical issues. We’ll explore the layout and functions of the fuse box, unraveling the mysteries behind each fuse and relay.

When faced with electrical issues which occasionally arise, leading to frustrating situations and unexpected breakdowns. In such problems, having access to the 2021 Ford Explorer Fuse Box Diagram can be a game-changer. Whether you are a vehicle owner seeking to address electrical problems on your own or a mechanic looking to enhance your troubleshooting skills, this resource serves as an invaluable companion, providing insights and techniques to navigate the complicated electrical system efficiently.

Note: If certain electrical components in your vehicle are not functioning, it is possible that a fuse has blown. Blown fuses can be recognized by a broken wire inside the fuse. Before replacing any electrical components, make sure to check the relevant fuses.

What is Fuse Box Diagram?

When there is an electrical fault, the fuse specific to that circuit will blow, breaking the connection and preventing further damage. A fuse box diagram is a visual guide that shows the layout of a vehicle’s fuse box and the electrical circuits associated with it. It helps to identify the location and function of each fuse, making it easier to diagnose and fix electrical problems in a car. By referring to the fuse box diagram, you can quickly find the correct fuse to replace, saving time and frustration.

Where is Fuse Box Located?

The location of the fuse box can vary depending on the make and model of the vehicle. Fuse boxes are typically located in the engine compartment or under the dashboard and contain multiple fuses that protect different electrical circuits. It is important to consult the vehicle’s owner manual or refer to specific manufacturer instructions to determine the exact location of the fuse box in a particular vehicle model.

Why is Fuse Box Diagram important?

The diagram is particularly useful for vehicle owners and mechanics as it allows them to easily identify the fuse related to a specific component or system. This speeds up the troubleshooting and repair process for issues like headlights, power windows, or the audio system.

Precautions before changing the fuses

  • Always disconnect the battery before servicing high-current fuses.
  • To reduce the risk of electrical shock, always replace the cover with the power distribution box before reconnecting the battery or refilling fluid reservoirs.
  • Always replace a fuse with one that has the specified amperage rating. Using a fuse with a higher amperage rating can cause severe wire damage and could start a fire.
Note: Always replace a fuse with one that has the specified amperage rating. Using a fuse with a higher amperage rating can cause severe wire damage and could start a fire.

2021 Ford Explorer Fuse Box Diagram (Engine Compartment)

Your vehicle’s engine compartment is where you’ll find the power distribution box, which contains the important high-current fuses. These fuses are essential for protecting the main electrical systems from overloads and ensuring their smooth operation. Inside the power distribution box, the high-current fuses are labeled using a specific coding system. The codes assigned to the high-current fuses within the power distribution box are as follows:

Fuse or Relay Number  Fuse Rating  Protected Component  
1  40A  Body control module – battery power in feed 1.  
2  20A  Power outlet main console bin.  
3  40A  Body control module – battery power in feed 2.  
4  30A  Fuel pump.  
5  5A  Powertrain control module keep alive power.  
6  20A  Powertrain control module power.  
7  20A  Canister vent solenoid.   Evaporative leak control module.   Exhaust gas heat recovery (hybrid electric vehicle).   Tank pressure control valve (hybrid electric vehicle).   Refueling valve (plug-in hybrid electric vehicle).   Vapor blocking valve.   Universal exhaust gas oxygen 11.   Universal exhaust gas oxygen 21.   Catalyst monitor sensor 12.   Catalyst monitor sensor 22.   Canister purge valve.  
8  20A  Cooling fan relay coil.   Battery interrupt box.   Transmission oil pump.   Auxiliary coolant pump.   Fuel flap door (hybrid electric vehicle).   Engine coolant bypass valve.   Active grille shutters.  
9  20A  Ignition coils.  
13  40A  Front blower motor relay.  
14  15A  Transmission oil pump.   A/C compressor variable clutch.   Auxiliary pumps (hybrid electric vehicle).  
16  15A  Windshield and rear window washer pump relay power.  
17  5A  Charge status indicator (hybrid electric vehicle).  
18  30A  Starter motor.  
21  10A  Headlamp leveling motors.   Adaptive headlamps.  
22  10A  Electric power assisted steering module.  
23  10A  Anti-lock brake system module with integrated park brake.  
24  10A  Powertrain control module.   Hybrid powertrain control module.  
25  10A  Air quality sensor.   360 camera with park aid.   Rear view camera.   Blind spot information system.   Adaptive cruise control module.  
26  15A  Transmission control module.  
28  40A  Anti-lock brake system valves with integrated park brake.  
29  60A  Anti-lock brake system pump with integrated park brake.  
30  30A  Driver seat module.  
31  30A  Passenger seat motor.  
32  20A  Front media bin power point.  
33  20A  Rear cargo area power point.  
34  20A  Console end cap power point.  
35  20A  Power point 4.  
36  40A  Power inverter.  
38  30A  Climate controlled seat module.  
41  30A  Power liftgate module.  
42  30A  Trailer brake control module.  
43  60A  Body control module.  
44  10A  Brake on and off switch.  
46  15A  Battery charger control module (hybrid electric vehicle).  
50  40A  Heated backlite.  
54  20A  Heated steering wheel.  
55  20A  Trailer tow park lamps.  
57  30A  Trailer tow battery charge.  
58  10A  Trailer tow backup lamps.  
61  15A  Multi-contour seat module.  
62  15A  Headlamp washer pump.  
64  40A  Four-wheel drive module.  
69  30A  Front window wiper motor.  
71  15A  Rear window wiper motor.  
72  20A  Not used (spare).  
73  30A  Driver door module.  
78  50A  Left-hand heated windshield.  
79  50A  Right-hand heated windshield.  
80  20A  Trailer tow.  
82  20A  Not used (spare).  
88  20A  Rear blower motor.  
91  20A  Trailer tow lighting module.  
95  15A  Integrated spark control (hybrid electric vehicle).  
96  15A  Not used (spare).  
97  10A  Electric AC (hybrid electric vehicle).   High voltage positive temperature coefficient heater (hybrid electric vehicle).  
98  10A  Traction battery coolant proportional valve (hybrid electric vehicle).  
103  50A  Not used (spare).  
104  50A  Not used (spare).  
105  40A  Not used (spare).  
106  40A  Not used (spare).  
107  40A  Not used (spare).  
108  20A  Not used (spare).  
109  30A  Passenger door module.  
111  30A  Body control module voltage quality monitor feed.  
112  20A  Not used (spare).  
114  50A  Not used (spare).  
115  20A  Amplifier.  
116  5A  Not used (spare).  
118  30A  Second row heated seats.  
120  15A  Port fuel injectors.  
124  5A  Rain sensor.  
125  5A  USB smart charger 1.  
127  20A  Amplifier.  
128  15A  Not used (spare).  
131  40A  Power folding seat module.  
133  15A  Heated wiper park.  
134  10A  Family entertainment system.  
136  20A  Not used (spare).  
139  5A  USB smart charger 2.  
142  5A  Traffic cam.  
146  15A  Battery electronic control module.  
148  30A  Left-hand headlamp module.  
149  30A  Right-hand headlamp module.  
150  40A  Not used (spare).  
155  25A  Transmission control module (hybrid electric vehicle).  
159  15A  DC/DC converter (hybrid electric vehicle).  
160  10A  Not used (spare).  
168  20A  Low voltage service disconnect.  
169  10A  Coolant pump (hybrid electric vehicle).  
170  10A  Traction battery coolant pump (hybrid electric vehicle).   Pedestrian sounder (hybrid electric vehicle).  
177  10A  Not used (spare).  

2021 Ford Explorer Fuse Box Diagram (Passenger Compartment Fuse Panel)

The fuse panel located is thoughtfully positioned beneath the instrument panel, specifically on the left side of the steering column. This strategic placement ensures convenient access and visibility for any fuse-related tasks. By being situated near the instrument panel, the fuse panel remains within easy reach, allowing for swift and hassle-free inspection, replacement, or troubleshooting of fuses. Whether you encounter an electrical issue or need to modify the fuses, the accessible positioning of the fuse panel enhances the overall efficiency of maintaining and managing your vehicle’s electrical system within the passenger compartment.

Fuse or Relay Number  Fuse Rating  Protected Component  
1  —  Not used.  
2  10A  Moonroof.   ERA-GLONAS.   eCall.   Telematics control unit module.   Inverter.   Driver door switch pack.  
3  7.5A  Memory seat switch.   Wireless accessory charger module.   Seat switches.  
4  20A  Not used (spare).  
5  —  Not used.  
6  10A  Not used.  
7  10A  Smart data link connector power.  
8  5A  Telematics control unit modem.   Hands-free liftgate actuation module.   Power liftgate module.  
9  5A  Keypad switch.   Rear climate control.  
10  —  Not used.  
11  —  Not used.  
12  7.5A  Climate control head.   Gear shift module.  
13  7.5A  Steering column control module.   Smart datalink connector.   Instrument cluster.  
14  15A  Not used (spare).  
15  15A  SYNC.   Integrated control panel.  
16  —  Not used.  
17  7.5A  Headlamp control module.  
18  7.5A  Not used (spare).  
19  5A  Headlamp switch.   Push button ignition switch.  
20  5A  Ignition switch.   Telematics control unit module.   Key inhibit solenoid lock.  
21  5A  Not used.  
22  5A  Not used (spare).  
23  30A  Not used (spare).  
24  30A  Moonroof.  
25  20A  Not used (spare).  
26  30A  Not used (spare).  
27  30A  Not used (spare).  
28  30A  Not used (spare).  
29  15A  Not used (spare).  
30  5A  Trailer brake connector.  
31  10A  Terrain management switch.   Selectable drive mode switch.   Transceiver module.  
32  20A  Audio control module.  
33  —  Not used.  
34  30A  Run/start relay.  
35  5A  Not used (spare).  
36  15A  Park assist module.   Image processing module A.  
37  20A  Not used (spare).  
38  30A  Left-hand rear power window.   Right-hand rear power window.  
If you are having a question that "Can I replace a car fuse by myself?" click the link for detailed information. Replacing a fuse is a relatively simple task that you can do without requiring professional assistance. You must replace the blown fuse with one that has the same rating (amperage). By using a fuse with a greater or lower rating, you run the risk of causing electrical issues or potentially harming the electrical system in your automobile.


In conclusion, the 2021 Ford Explorer fuse box diagram acts as a guide, enabling smooth navigation of the vehicle’s electrical system and enhancing overall maintenance efforts. Knowing the fuse box diagram is essential for maintaining the vehicle’s electrical system and addressing any potential issues. The detailed diagram provides a comprehensive visual representation of the fuse box layout, clearly indicating the location and function of each fuse. By referencing the fuse box diagram, you can easily locate the specific fuse corresponding to a malfunctioning component, allowing for efficient troubleshooting and potential repairs.

Whether you are a Ford Explorer owner seeking to address electrical issues or a mechanic servicing these vehicles, the fuse box diagram proves to be an indispensable tool for a successful and hassle-free electrical repair experience.

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