Ferrari 458 SPIDER Fuses Instruction Guide
The Ferrari 458 Spider is a work of art in automobile engineering, a convertible supercar that epitomizes Italian craftsmanship and performance. Within this high-performance marvel is a complicated electrical system, and the fuses are at the heart of this system. These seemingly little components are critical to the Ferrari 458 Spider’s smooth and safe operation. We shall delve into the realm of Ferrari 458 Spider fuses in this introduction, investigating their significance, function, and relevance in preserving the car’s perfect performance. These fuses are silent heroes in the background, protecting crucial electrical circuits and preventing potentially catastrophic failures.
They uphold the legacy of Ferrari’s devotion to excellence. Join us as we unearth the crucial function these modest components play in the world of automotive excellence, where every detail, no matter how minor, contributes to the unrivaled driving experience that is the Ferrari 458 Spider.
Replacing a Fuse
When an electrical device is not working, check that the corresponding fuse is not blown.
- A – Unblown fuse.
B – Blown fuse.
Important note
If the problem persists, contact the Ferrari Service Network.
Important note
When replacing a fuse, always use fuses of the same amperage (same colour). The tool bag contains spare fuses. To remove the fuses, use the pliers C in the tool bag.
Fuse colours 
Maxi fuse colours 
Location of the fuse and relay boxes
- A – Fuses and relays in battery compartment B – Body Computer fuses and relays C – Fuses and relays in passenger compartment on passenger side D – Fuses and relays on driver-side rear side panel
Fuses and relays in battery compartment To access these fuses:
- Remove the passenger footrest; Remove the box cover A.
Important note
Only open the boxes containing the fuses that need to be checked to avoid damaging other components.
Box A contains these fuses: 
Body Computer fuses and relays
To access these fuses, remove the dashboard panel 1.
Important note
Only open the boxes containing the fuses that need to be checked to avoid damaging other components. 
Box B contains these fuses and relays: 
| F-52 | 15 | Power socket, driver seat heating |
| F-53 | 10 | Instrument Panel Node power supply |
| T01 | 20 | Low beam relay |
| T11 | 30 | Heated rear window relay |
| T12 | 30 | Service relay 1 (dependent on INT/A ignition switch) |
| T13 | 50 | Jumper (service power supply 2) |
Fuses and relays in passenger compartment on passenger side
These fuses are located behind the glove compartment 2. Boxes C contain these fuses and relays:
| Ref. | Amp. | Use |
| F-01 | 60 | +30 Radiator fan relay 2 |
| F-02 | 30 | +30 ABS (valves) |
| F-03 | 30 | +30 Hard top Node (pump) |
| F-04 | 50 | +30 ABS (pump) |
| F-05 | 40 | +30 Air conditioning Node |
| F-06 | 50 | +30 Radiator fan relay 1 |
| F-07 | 20 | +30 Horn relay |
| F-08 | 7.5 | Air conditioning and heating system compressor |
| F-09 | 7.5 | +30 Supplementary stop light relay (third stop light) |
| F-10 | 15 | +30 Fuel pump relay 1 |
| F-11 | 25 | Left bank oxygen sensor |
| F-14 | 15 | +30 High beam relay |
| F-15 | 7.5 | +30 Power supply for EPB-activated stop light control relay, right headlight LED module power supply relay |
| F-16 | 25 | +30 Right bank engine control power supply |
| F-17 | 25 | +30 Left bank engine control power supply |
| F-18 | 10 | +30 Left cylinder bank injection system power supply, LH cylinder bank injection main relay coil |
| F-19 | 10 | +30 Right cylinder bank injection system power supply |
| F-20 | 30 | +30 Right cylinder bank injection system main relay |
| F-21 | 15 | +30 Fuel pump relay 2 |
| F-22 | 15 | Left bank (ignition coil) |
| F-23 | 10 | +30 ABS (electronic) |
| F-24 | 15 | Right bank (ignition coil) |
| F-30 | 30 | +30 HI-FI amplifier relay |
| F-81 | 40 | +30 Supplementary ECU power supply |
| F-82 | 70 | +30 Dashboard ECU and ECU on driver-side rear side panel power supply |
| F-83 | 50 | +30 Air pump relay |
| T05 | 30 | Fuel pump relay 2 | T29 | 30 | Supplementary stop light relay (third stop light) | |
| T06 | 30 | Glove compartment relay | T30 | 50 | Air pump relay | |
| T07 | 50 | Horn relay | T31 | 30 | Headlight washer pump relay | |
| T08 | 30 | Air conditioning and heating system | T37 | 30 | Radiator fan relay 2 |
| T05 | 30 | Fuel pump relay 2 | T29 | 30 | Supplementary stop light relay (third stop light) | |||
| T06 | 30 | Glove compartment relay | T30 | 50 | Air pump relay | |||
| T07 | 50 | Horn relay | T31 | 30 | Headlight washer pump relay | |||
| T08 | 30 | Air conditioning and heating system | T37 | 30 | Radiator fan relay 2 | |||
| T09 | 30 | Left cylinder bank injection system main relay | relay | |||||
| T10 | 30 | Right cylinder bank injection system main relay | T39 | 30 | Right headlight LED module power supply relay | |||
| T14 | 30 | Fuel pump relay 1 | T40 | 30 | Radiator fan relay 1 | |||
| T17 | 10/20 | INT/A relay (devices excluded at ignition) | ||||||
| T19 | 30 | EPB-activated stop light control relay | ||||||
| T20 | 30 | Starting relay | ||||||
| T26 | 10/20 | Windscreen wiper first speed relay | ||||||
| T27 | 10/20 | Windscreen wiper second speed relay | ||||||
| T28 | 30 | Windscreen washer pump relay | ||||||
Fuses and relays on driver-side rear side panel
To access these fuses, remove the driver-side rear side panel 3. Boxes D contain these fuses and relays:
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Ref. |
Amp. |
Use |
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F-78 |
15 |
+30 Battery charger |
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F-54 |
15 |
+30 Gearbox cooling fan |
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F-80 |
30 |
+30 Starting relay |
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F-56 |
30 |
+30 Driving Position Node |
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T21 |
50 |
Side Marker relay |
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F-57 |
7.5 |
Side Markers 1 (LH front and RH rear) |
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T22 |
30 |
Reverse light relay |
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F-59 |
7.5 |
Reverse light power supply |
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T23 |
30 |
Fuel filler flap relay |
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F-60 |
30 |
+30 Passenger Position Node |
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T24 |
30 |
Gearbox cooling fan relay |
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F-61 |
7.5 |
+30 Driver Position Node (electronic), front lift |
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T25 |
30 |
Semi-automatic gearbox main relay |
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F-62 |
7.5 |
+30 Passenger Position Node (electronic) |
|
T43 |
30 |
Start enable relay |
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F-63 |
15 |
+30 Semi-automatic gearbox main relay |
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F-64 |
7.5 |
Fuel filler flap actuator power supply |
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FAQs
A fuse in a Ferrari 458 Spider is an electrical safety device that breaks the circuit when necessary to protect the vehicle’s electrical system from overloads or short circuits.
In a Ferrari 458 Spider, the fuse box is usually either in the engine compartment or the inside cabin. For the precise position, consult your owner’s handbook.
A blown fuse can be identified by checking the metal filament inside. The fuse is blown if it is damaged or melted.
Replace the blown fuse with a similar amperage rated fuse. To ensure your safety, only use genuine Ferrari fuses.
Fuse amperage ratings on a Ferrari 458 Spider may vary. The particular ratings for each fuse can be found in your owner’s manual.
Genuine Ferrari fuses are suggested to ensure optimum protection and to avoid electrical difficulties.
Check fuses as part of your regular car maintenance regimen. Replace any blown fuses as soon as possible.
Electrical failures, short circuits, overloads, or malfunctioning components can cause fuses to blow.
Yes, there could be fuses relating to the operation of the convertible top. Their locations can be found in the owner’s manual.
No, fuses are intended to be broken and cannot be reset. They must be swapped out for fresh ones.
Interior fuse boxes are typically found beneath the dashboard or in the footwell. For specific instructions on how to access it, consult the owner’s handbook.
It’s a good idea to maintain spare fuses of various amperage ratings in the toolbox of your vehicle.
If you continue to have electrical problems, you should call a trained Ferrari technician for a full diagnostic and repair.
To avoid damage to the vehicle’s electrical system, always replace a blown fuse with one of the same amperage rating.
Driving with blown fuses is not encouraged, especially if they compromise vital systems. Before starting the car, replace the fuse.
Useful Link
View Full PDF : Ferrari 458 SPIDER User Manual| Auto User Guide