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.
Table of Contents
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.
Conclusion
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.
