Fiat Ducato (2015-2021) – fuse and relay box

Diagrams of fuse and relay boxes – Fiat Ducato

Applies to vehicles manufactured in the years:

2015, 2016, 2017, 2018, 2019, 2020, 2021.

For the Fiat Ducato cigarette lighter, there are fuses F09 (rear power socket), F14 (power socket), F15 (cigarette lighter) in the engine compartment fuse box and fuse F56 (rear passenger power socket) in the optional fuse box on the right center pillar.

Engine compartment

Arrangement of fuses in the engine compartment

Number Amperes [A] Description
F01 40 ABS pump (+ battery)
F02 50 Glow plugs (battery +)
F03 30 Ignition switch (battery +)
F04 40 Webasto control unit (+ battery)
F05 20/50 Cab ventilation with webasto (+ battery)
F06 40/60 Engine cooling system high speed fan (+ battery)
F07 40/50/60 Engine Cooling System Low Speed ​​Fan (+ Battery)
F08 40 Cabin fan (+ key)
F09 15 Windscreen washer pump
F10 15 Horn
F11 15 Installation and e (secondary circuits)
F14 15 Right traffic light
F15 15 Left main beam
F16 7.5 Installation and e (+ key)
F17 7.5 Installation and e (primary systems)
F18 7.5 Engine control unit (+ battery)
F19 7.5 Air conditioning compressor
F20 30 Headlight washer pumps
F21 15 Fuel pump
F22 20 Installation and e (primary systems)
F23 30 ABS solenoid valves
F24 7.5 Automatic gearbox 8 (+ key)
F30 15 Front fog lamps

Fuse box on the dashboard

To access the fuses in the fuse box on the dashboard, loosen the mounting bolts A and remove the cover.

Number Amperes [A] Description
F12 7.5 Right dipped beam
F13 7.5 Left dipped beam, headlamp leveling corrector
F31 5 Engine compartment fuse box relay;

Dashboard fuse box relay (+ key).

F32 7.5 Interior Minibus (Emergency) Lights
F33 7.5 Rear power socket
F34 7.5 Reserve
F35 7.5 Reverse gear lamps;

Servotronic control unit;

Water sensor in the diesel filter (+ key).

F36 10 Central locking control unit (+ battery)
F37 7.5 Stop lamp control (main);

Third brake light;

Instrument cluster (+ key).

F38 10 Dashboard fuse box relay (+ battery)
F39 10 EOBD socket;


Air conditioning control;



Webasto timer (+ battery).

F40 15 Left rear heated window;

Heated rear view mirror on the driver’s side.

F41 15 Left rear heated window;

Heated rear-view mirror on the passenger side.

F42 7.5 ABS;



Stop lights control (secondary) (+ key).

F43 20 Windshield wiper (+ key)
F44 20 Lighter;

Front power socket.

F45 7.5 Control in the driver’s side door;

Passenger door control.

F47 20 Driver’s side window
F48 20 Passenger’s side window
F49 7.5 Radio;

Driver’s side window lifters;

Dashboard controls;

Alarm control unit;

Rain sensor (+ key).

F50 20 Airbag (+ key)
F51 5 Air conditioning control;

Cruise control;

Tachograph (+ key).

F52 7.5 Optional fuse box relay
F53 7.5 Instrument cluster;

Rear fog lamps (battery +).

Optional fuse box on right center post

To gain access, remove the protective cover.

Fuse assignment in the optional fuse box

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Number Amperes [A] Description
F55 15 Heated seats
F56 15 Passenger’s rear electrical outlet
F57 10 Additional heater under the seat
F58 10 Side position lights
F59 7.5 Self-leveling suspensions (+ battery)
F63 10 Passenger auxiliary heater control
F65 30 Passenger auxiliary heater fan
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