Land Rover Defender L663 (2020 – 2026) Fuse Box Location & Diagrams
The Land Rover Defender L663 (2020–2026) fuse box protects essential electrical systems throughout the vehicle. Knowing its location and fuse diagram helps identify the correct fuse for lighting, accessories, engine controls, and other electrical components when diagnosing common electrical problems.
Fuse Box Location
Passenger Compartment Fuse Box
- Open the glovebox.
- Firmly press the top of the support stay at each end and lower the glovebox into the footwell.
The fuse box label for the passenger compartment fuse box is contained within the load space fuse box.
Engine Compartment Fuse Box
The fuse box is always located on the passenger’s side of the vehicle. The fuse box label is located on the inner surface of the lid.
- Release and remove the turnbuckle clips securing the covers.
- Lift the edge of the covers and slide to remove.
- Release the four clips to remove the fuse box lid.
Luggage Compartment Fuse Box
- Pull the fuse box cover forwards to release the six clips.
- Release the two clips to remove the fuse box lid.
Fuse Box Diagrams
Passenger Compartment Fuse Box
| № | Amps | Circuits protected |
|---|---|---|
| 1 | 20A | Cigar lighter front. |
| 2 | 20A | Cigar lighter/accessory socket front. |
| 3 | 20A | 2020-2022: Accessory socket. 2026: Accessory power socket: Second row. |
| 4 | 20A | 2020-2022: Accessory socket console / USB console. 2023-2025: Second row accessory sockets. Second row USB ports. 2026: Accessory power socket: Second row. |
| 5 | 5A | 2021-2024: Phone booster. |
| 6 | 10A | 2020-2022: 3rd row chiller. 2025-2026: Rear climate and comfort. |
| 7 | 5A | Battery back-up sounder. |
| 8 | – | – |
| 9 | 15A | 2021-2022: Hybrid system. |
| 10 | 20A | 2020-2022: Accessory socket console / USB console. 2023-2025: Second row accessory sockets. Second row USB ports. 2026: Accessory power socket: Second row. |
| 11 | 5A | Wireless phone charger. |
| 12 | 20A | Sunroof P2. |
| 13 | 20A | Sunroof P1. |
| 14 | 5A | 2020-2022: Terrain optimisation switch. |
| 15 | – | – |
| 16 | – | – |
| 17 | 5A | Smart rear view mirror / Electrochromatic mirror. |
| 18 | 30A | Right-side front seat. |
| 19 | 30A | 2020: Rear RH seat. 2025-2026: Left-side front seat. |
| 20 | 25A | 2020-2022: Rear LH door. 2025-2026: Left-side rear door. |
| 21 | 10A | Cool box. |
| 22 | 5A | Cooling fan (MHEV). |
| 23 | 20A | 2020: Passenger’s seat. |
| 30A | 2025-2026: Left-side front seat. | |
| 24 | 25A | Driver’s door switches. |
| 25 | 15A | 2020-2022: Suspension system. |
| 26 | 10A | 2020: Passenger’s seat switchpack. |
| 27 | 25A | Passenger’s door switches. |
| 28 | 20A | 2020-2024: Driver’s seat. |
| 29 | 25A | 2020-2022: Rear door RH. 2025-2026: Right-side rear door. |
| 30 | 30A | Sunroof PANO. |
| 31 | 5A | Overhead console, RF receiver, Fuel burning heater receiver, TPMS receiver. Singapore road pricing. |
| 32 | – | – |
| 33 | 20A | 2020: Driver’s seat. |
| 34 | – | – |
| 35 | 5A | 2020-2022: Brake switch. |
| 36 | – | – |
| 37 | 5A | Singapore road pricing connector. |
| 38 | 10A | Driving aids and collision avoidance system. |
| 39 | 10A | Near field sense module. |
| 40 | – | – |
| 41 | 5A | Telematics module. |
| 42 | – | – |
| 43 | 10A | Heated steering wheel. |
| 44 | 10A | 2020-2022: Steering wheel. |
| 5A | 2025-2026: Steering wheel module. | |
| 45 | – | – |
| 46 | 15A | 2020-2022: Climate control. 2025-2026: Climate control. |
| 47 | – | – |
| 48 | 10A | 2020: Driver facing camera. |
| 49 | 5A | 2020-2022: Immobiliser antenna. 2025-2026: Immobilizer. |
| 50 | 10A | 2020-2022: Head-up display (HUD). 2025-2026: Head-Up Display (HUD). |
| 51 | – | – |
| 52 | 5A | 2020-2022: Module ioniser. 2025-2026: Air ionizer. |
| 53 | 10A | 2020-2022: Instrument panel. 2025-2026: Instrument panel. |
| 54 | 5A | 2020-2022: Diagnostic connector OBD2. 2025-2026: Diagnostic socket. |
| 55 | 15A | 2025-2026: Transmission. |
| 56 | – | – |
Engine Compartment Fuse Box
| № | Amps | Circuits protected |
|---|---|---|
| Fuse Box A | ||
| 1 | 10A | Engine management. |
| 2 | 15A | Engine management. |
| 3 | 10A | 2020: Engine management. 2021-2022: Hybrid vehicle cooling. 2023-2026: Engine management. |
| 4 | 10A | 2020-2022: Engine management. 2023: Engine management: Diesel vehicles only. 2026: Engine management. |
| 5 | 10A | Engine management. |
| 6 | 15A | 2020-2022: Auxiliary engine systems. 2023: Engine cooling: All vehicles; Engine oil pump: Diesel vehicles only. 2024-2026: Engine cooling. |
| 7 | 5A | 2020-2022: Auxiliary engine systems. 2025-2026: Engine cooling. |
| 8 | 5A | 2020-2022: Starter motor sense. 2023-2024: Vehicle electrical systems. 2025-2026: Winch. |
| 9 | 25A | Washer jet rear. |
| 10 | 10A | 2020-2025: Heated washer jet. |
| 11 | 15A | 2020: Extended stop/start water pump. 2021-2026: Engine cooling. |
| 12 | 25A | 2020-2023: Fuel pump. |
| 13 | 15A | 2020-2023: Charge air coolant/water pump. 2024-2026: Engine cooling. |
| 14 | 15A | 2020-2022: Engine management. 2025-2026: Engine management. |
| 15 | 10A | 2020: Charge air coolant/water pump. 2021-2022: Engine cooling. |
| 16 | 25A | 2020-2022: Washer jet front. 2025-2026: Washer jet front. |
| 17 | 5A | 2020: Petrol ECU. 2021-2022: Engine management. |
| 18 | 20A | 2020-2022: Engine management. 2025-2026: Engine management. |
| 19 | 25A | 2020-2022: Engine management/ignition coils. 2025-2026: Engine management. |
| 20 | 20A | 2020-2022: Diesel exhaust fluid. |
| 21 | 20A | Starter motor (diesel engines only). |
| 22 | 40A | Starter motor. |
| 23 | 60A | Cooling fan. |
| 24 | 40A | Engine management (petrol engines only). |
| 25 | 40A | Oil pump. |
| 26 | 15A | Front wiper. |
| 27 | 60A | Anti-lock Braking System (ABS). |
| Fuse Box B | ||
| 1 | 5A | 2025-2026: Engine management. |
| 2 | – | – |
| 3 | 15A | 2021-2022: Hybrid vehicle cooling. 2025-2026: Engine cooling. |
| 4 | – | – |
| 5 | 15A | 2020: Front fog lights. |
| 30A | 2025-2026: Engine cooling. | |
| 6 | 15A | Horns. |
| 7 | 10A | Driver assistance systems. |
| 8 | 10A | 2020-2023: Mild Hybrid Electric Vehicle (MHEV). 2024-2026: 48V system. |
| 9 | 5A | 2020-2022: Front corner radar. 2025-2026: Supercharger. |
| 10 | 5A | Camera systems. |
| 11 | 5A | 2020: Mild Hybrid Electric Vehicle (MHEV). |
| 20A | 2021-2026: Driveline module. | |
| 12 | 5A | 2020-2022: Transmission control module. 2025-2026: Transmission control module. |
| 13 | 5A | 2020: Headlight levelling. |
| 14 | 30A | Right-side headlight washer pump. |
| 15 | – | – |
| 16 | 10A | 2021-2022: Wireless charger. |
| 17 | 30A | Left-side headlight washer pump. |
| 18 | 25A | Right-side headlight. |
| 19 | 15A | Transmission, off-road systems, gear selector. |
| 20 | 25A | Left-side headlight. |
| 21 | 30A | Transfer box. |
| 22 | 40A | Left-side heated windscreen. |
| 23 | 40A | Right-side heated windscreen. |
| 24 | 40A | Glow plugs. |
| 25 | 40A | Glow plugs. |
| 26 | 50A | Front blower motor. |
| 27 | 60A | Anti-lock Braking System (ABS). |
Luggage Compartment Fuse Box
| № | Amps | Circuits protected |
|---|---|---|
| 1 | 15A | 2020-2022: Mild Hybrid Electric Vehicle (MHEV). 2023-2026: Battery cooling fan. |
| 2 | 25A | 2020-2022: 3rd row heat seats. 2025-2026: Rear seat cushion heaters. |
| 3 | 15A | 2020-2022: 3rd row seat switchpacks. |
| 4 | – | – |
| 5 | – | – |
| 6 | 5A | 2020-2022: Battery (MHEV). 2026: Driver facing camera. |
| 7 | 5A | 2020-2022: Blind spot monitor / Park distance control / Rear corner radar. 2023-2026: Blind spot monitor. |
| 8 | 20A | Driver’s heated or climate seat. |
| 9 | 15A | Driver’s/passenger’s seat switch and massage seat. |
| 10 | 20A | Passenger’s seat heat. |
| 11 | 20A | Heater cushion rear RH. |
| 12 | 15A | 3rd row seat heat and switches / RH/LH rear seat switch packs. |
| 13 | 20A | Heater cushion rear LH. |
| 14 | 20A | Rear wiper. |
| 15 | 30A | Fuel pump. |
| 16 | 15A | Trailer pick-up. |
| 17 | 10A | 2020-2023: Diesel exhaust fluid tank. |
| 18 | 20A | 2020-2023: Accessory socket load space / USB 3rd row. 2024-2026: Accessory power socket: Loadspace. |
| 19 | 20A | 2020-2022: Cigar lighter rear. 2026: Accessory power socket: Loadspace. |
| 20 | 20A | 2020-2022: Accessory socket cubby box. 2026: Task lamp. |
| 21 | 10A | 2020-2023: Rear USB. 2024: Second row accessory sockets. |
| 22 | – | – |
| 23 | 10A | 2020: Front display lower. |
| 24 | 5A | 2025-2026: Vehicle emissions. |
| 25 | 5A | 2020-2022: Electronic air suspension. 2023-2026: Chassis control. |
| 26 | 2A | 2023: Electronic toll collection. |
| 27 | – | – |
| 28 | – | – |
| 29 | 5A | 2020-2024: Adaptive cruise control. 2025-2026: Radar. |
| 30 | 30A | Heated rear window. |
| 31 | – | – |
| 32 | 5A | 2021-2022: Speaker. |
| 33 | 15A | Tailgate. |
| 34 | 5A | Battery (MHEV). |
| 35 | 20A | 2025-2026: Chassis control module. |
| 36 | – | – |
| 37 | 30A | Driver’s seat. |
| 38 | 5A | 2020-2022: Touchscreen switchpack/climate control. 2023-2024: Rear climate control. Rear console switches. 2025-2026: Rear climate and comfort. |
| 39 | 30A | Deployable sidesteps. |
| 40 | – | – |
| 41 | 20A | 2025-2026: Chassis control module. |
| 42 | 20A | 2020-2022: Rear RH seat. |
| 30A | 2025-2026: Right-side front seat. | |
| 43 | 20A | 2020-2023: Keyless vehicle module. |
| 44 | 15A | Trailer pick up. |
| 45 | 15A | 2020-2022: Fuel tank. 2023-2024: Fuel tank. Powertrain control module. |
| 46 | 15A | 2020-2022: Fuel pump. |
| 47 | – | – |
| 48 | 10A | Front display upper. |
| 49 | – | – |
| 50 | 15A | 2020-2022: Entertainment system. |
| 51 | 15A | Front infotainment control module (FICM). |
| 52 | 10A | 2020-2022: User portable devices. 2025-2026: Audio video input and output. |
| 53 | 10A | 2020-2022: Rear console portable. |
| 54 | 10A | 2025-2026: Chassis control module. |
| 55 | 15A | 2020-2022: Chassis control module (AIR). 2025-2026: Chassis control module. |
| 56 | 10A | 2020-2022: Chassis control module (CVD). 2025-2026: Chassis control module. |
| 57 | 5A | 2020-2022: Keyless vehicle module. 2025-2026: Radio Frequency (RF) actuator. |
| 58 | 30A | 2020-2022: Passenger’s seat. 2025-2026: Front seats. |
| 59 | 15A | 2025-2026: Chassis control module. |
| 60 | 10A | 2025-2026: Body and Soul seats. |
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