Alfa Romeo 4C (2017-2018) – fuse box diagram
Year of production: 2017, 2018.
Cigarette lighter fuse (power socket) in Alfa Romeo 4C (2017-2018). is the fuse F49 In the fuse box on the dashboard.
Fuse box on the dashboard
The dashboard fuse box is part of the Body Control Module (BCM) and is located on the passenger side, under the front passenger floor.
Recess | Fuse number | Mini Fuse | Description |
3 | F53 | 7,5 | Dashboard node |
4 | F38 | 15 | Central locking system |
5 | F36 | 10 | Diagnostic socket, car radio, TPMS, alarm |
6 | F43 | 20 | Two-way washer |
7 | F48 | 20 | Passenger power window |
9 | F50 | 7,5 | Airbag |
10 | F51 | 7,5 | Headlight washer relay, air conditioning compressor relay, high beam relay, parking calculator, car radio, stop light switch |
11 | F37 | 7,5 | Stop light switch, dashboard node |
12 | F49 | 5 | Transmission shift module, car cigarette lighter light, driving style module, heated mirrors relay |
13 | F31 | 5 | Climate control, body controller |
14 | F47 | 20 | Controller power window |
Fuse box in the engine compartment
The engine compartment fuse box is located on the left side of the engine compartment.
side of the engine compartment, next to the battery.

Recess | Maxi without. | Mini without. | Description |
F01 | 70 | – | Body controller |
F03 | 20 | – | Ignition |
F04 | 40 | – | Anti-lock brake pump |
F05 | 20 | – | Brake anti-lock valve |
F06 | 40 | – | Radiator fan – low speed |
F07 | 50 | – | Radiator fan – high speed |
F08 | 20 | – | Blower motor |
F09 | – | 5 | High beam switch (if equipped) |
F10 | – | 10 | Horn |
F11 | – | 20 | Powertrain |
F14 | – | 15 | Alfa gearbox with dual clutch |
F15 | – | 15 | Alfa gearbox with dual clutch |
F 16 | – | 5 | Alfa gearbox with dual clutch, BCM |
F17 | – | 10 | Powertrain |
F18 | – | 5 | Powertrain |
F19 | – | 7,5 | A/C compressor |
F21 | – | 20 | Fuel pump |
F22 | – | 20 | Power supply for the engine control unit |
F24 | – | 5 | Anti-lock braking system (ABS) |
F30 | – | 10 | Water pump, HVAC |
F82 | 30 | – | Headlight washer (if any) |
F83 | 40 | – | Alfa Twin Clutch Transmission Pump |
F84 | – | 5 | Once the pump is running |
F86 | – | 15 | Rear 12V power socket |
F88 | – | 7,5 | Heated mirrors |