Citroën C8 (2002-2008) – fuse and relay box

Diagrams of fuse boxes and relays – Citroën C8

Applies to vehicles manufactured in the years:

2002, 2003, 2004, 2005, 2006, 2007, 2008.

For the cigarette lighter (power sockets) on the Citroen C8 is provided by fuse F9 (cigarette lighter) in the instrument panel fuse box and fuses F11 (12 V auxiliary socket on the third row) and F12 (auxiliary socket 12 V on the second row) on the battery.

Three fuse boxes located under the dashboard, in the battery compartment and under the hood.

Dashboard fuse box

Citroën C8 (2002-2008) - fuse and relay box

Number Amperes [A] Description
F1 15 A. Rear wiper
F3 5 A. Airbag
F4 10 A. Steering angle sensor;


Photochromic interior rear-view mirror;

Diagnostic socket;


Air conditioning;


Particulate filter.

F5 30 A. Sunroof;


F6 30 A. Rear window
F7 5 A. Indoor lamps;

Cosmetic mirrors;

Glove compartment.

F8 20 A. Displays;



CD changer;

Diesel fuel additive system;

Detection of deflation;

Side sliding doors.

F9 30 A. Lighter
F10 15 A. Trailer Relay Module;

Steering wheel controls.

F11 15 A. Diagnostic socket;


Automatic Transmission;


F12 15 A. Seat belt warning light;

Sliding doors;


Parking aid;

Memorizing the driver’s seat;

Electric passenger seat;

Loudspeeker sysetm.

F13 5 A. Trailer relay
F14 15 A. Rain sensor;


Air conditioning;

Odometer warning lamp driver;

Instrument panel;


F15 30 A. Closing;


Child safety.

F17 40 A. Heated rear window

Fuse box in the engine compartment

To open the engine compartment fuse box, unclip the washer fluid reservoir then remove the cover.

Citroën C8 (2002-2008) - fuse and relay box

Number Amperes [A] Description
F1 20 A. Engine ECU;

Exhaust gas recycling solenoid;

Solenoid valve for regulating high pressure of diesel fuel;

EGR solenoid.

F2 15 A. Horn
F3 10 A. Windscreen / rear window washer pump
F4 20 A. Headlight washer pump
F5 15 A. Fuel pump;

Regulating solenoid.

F6 10 A. Transmission;

Power steering;

Air flow meter;


Engine oil level;


Headlight adjustment.

F7 10 A. ESP
F8 20 A. Starter
F9 10 A. Engine ECU
F10 30 A. Solenoid valves;

Lambda probe;


The ignition coil;


Diesel fuel heater.

F11 40 A. Air flow
F12 30 A. Windshield wiper
F13 40 A. Embedded system interface (lgnition +)
F14 Empty

Fuses on the battery

Pull back the floor mat, unhook the cover located under the floor under the right-hand front seat for access.

Citroën C8 (2002-2008) - fuse and relay box

Number Amperes [A] Description
F1 Empty
F2 Empty
F3 5 A. Brakes
F4 25 A. Memorizing the driver’s seat
F5 25 A. Memorizing the passenger seat;


F6 20 A. Sunroof
F7 20 A. Sunroof
F8 10 A. Heated passenger seat
F9 10 A. Heated driver’s seat
F10 15 A. Signaling
F11 20 A. Third row 12 V accessory socket
F12 20 A. Second row 12 V accessory socket
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