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Alfa Romeo 156 (2003 - 2006) - fuse box diagram

avatar Jonathan Yarden Dec 16, 2020 · 5 min. read

In this article you will find a description of fuses and relays Alfa Romeo, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 2003, 2004, 2005, 2006

Fuse and relays in the main fusebox

Alfa Romeo 156 FL - main fuse box

Relay Description
A Dipped beam light relay
B Relay for sunroof , seat heater, rear window power control, seat electric adjustment

Alfa Romeo 156 FL - main fuse box - symbols

Fuses above the main fusebox

Alfa Romeo 156 FL - above main fuse box

Fuses and relays accessible from the glovebox

Alfa Romeo 156 FL - fuse box - glovebox

Fuse and relays in engine bay

Alfa Romeo 156 FL - fuse box - engine bay - relay

Alfa Romeo 156 FL - fuse box - engine bay relay

Relay Description
A Engine radiator cooling fan 2nd speed relay (T.SPARK versions)
B Engine radiator cooling fan 1st speed relay
C Fuel pump relay
D Electronic injection relay
E Climate control compressor relay
F Timing variator relay (1.6 T.SPARK only) or engine radiator fan 2nd speed relay (only 2.5 V6 24V, JTD and JTD 16V Multijet versions)
G Fuel oil heater relay (only Diesel versions)

 

For JTD 20v Multijet version

Alfa Romeo 156 FL - fuse box - engine bay - relay (JTD version)

For Diesel versions, depending on the options installed, there is a second bracket fastened to the engine compartment rear bulkhead for the following fuses.

Alfa Romeo 156 FL - fuse box - engine bay - relay (diesel)

Relay Description
A MAXI-FUSE 30A Additional passenger compartment heater 2nd level relay
B MAXI-FUSE 30A Additional passenger compartment heater 1st level relay

 

Fuse summary table

Lights Fuse Ampere rating [A] Location
Left front side light 7 10 Main fusebox
Right front side light 6 10 Main fusebox
Left rear side light 6 10 Main fusebox
Right rear side light 7 10 Main fusebox
Left dipped-beam headlamp/Xenon lamps (optional) 8 20 Main fusebox
Right dipped-beam headlamp/Xenon lamps (optional) 4 20 Main fusebox
Left main-beam headlamp 2 20 Main fusebox
Right main-beam headlamp 1 10 Main fusebox
Cruise Control (optional) 13 10 Main fusebox
Left number plate light 7 10 Main fusebox
Right number plate light 6 10 Main fusebox
Reversing lights/Sound system 13 10 Main fusebox
Left rear fog guard 7 10 Main fusebox
Right rear fog guard 6 10 Main fusebox
Direction indicators – Hazard warning lights 14 10 Main fusebox
Fog lamps 16 15 Above main fusebox
Car interior and glovebox lights 12 – 13 10 Main fusebox
HI-FI BOSE system 9 25 Above main fusebox

 

Services Fuse Ampere rating [A] Location
Windscreen wiper, windscreen washer/Rearscreen wiper/Rain sensor (optional) 10 20 69
Horns 11 20 69
GSM Box for Connect/Navigator-electronic warning system 13 10 69
Front power windows 5 30 69
Left rear power window 4 20 71
Right rear power window 5 20 71
Door locking system – Boot light 3 20 69
Boot electric opening 7 30 71
Rearscreen heating 15 30 69
Wing mirror adjustment 13 10 69
Wing mirror defrosting 15 30 69
Cigar lighter/Odour sensor 9 15 69
Headlamp washer 1 20 72
Headlamp aiming device 4 10 69
Instrument cluster 12 10 69
Main-beam headlamp warning light 2 10 69
Rearscreen heating warning light 15 30 69
Sound system/Diagnosis socket 12 10 69
Electronic alarm system 12 10 69
Supplementary electrical socket in the boot (Sportwagon versions) 10 20 71
Remote control 13 10 69
Controls lighting/Stop lights 3 10 71
Rear control lighting from sidelights 6 10 71
Seat heating/Sunroof/Seat electrical adjustment 8 30 71
Air bag system 2(*) 10(*) 71
ABS system 9 60 68
11(*) 10(*) 71
Alfa Romeo CODE system 13 7,5 71
Climate control system 9 15 69
Engine cooling radiator fan:
First speed:
–  T.SPARK and JTS versions 6 50 68
–  diesel versions 6 60 68
– 2.5 V6 24V versions 6 40 68
Second speed
– T.SPARK and JTS versions 7 30 68
– diesel versions 7 40 68
– 2.5 V6 24V versions 7 40 68
Passenger compartment fan (petrol versions) 1 40 68
Passenger compartment fan (diesel versions) 4 40 68
Electronic ignition and injection system 13 7,5 71
14 15 71
15 15 71
5 30 68
Glow plugs and resistances on fuel oil filter (diesel versions) 8 70 68
Fuel oil heater (JTD versions, JTD 16V Multijet) H 25 74
Services switched off with starting 1 7,5 71
Battery power supply for Alfa Romeo CODE/Injection system 12 7,5 71
(+15) key-controlled service supply (ignition switch) 2 30 68
General service supply (petrol versions) 4 80 68
General service supply (diesel versions) 1 80 68
General service supply 3 70 68
Additional heater (diesel version only) 10 70 68
Oil pump supply (Selespeed versions only) 10 30 68
Selespeed gearbox (2.0 JTS version) 7 30 68
8 20 68
Automatic gearbox (2.5 V6 24V version) 7 40 68
8 20 68

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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