Alfa Romeo 156 2003This information is for the following Alfa Romeo models and years:

– 2003, 2004, 2005, 2006 and 2007 Alfa Romeo 156 2.4 JTD, 1.9 JTD, 2.5 V6, 2.0 JTS, 1.6 Twin Spark.

Fuse box Location and Diagram

1. Fuse Box next to the battery

The main protection fuses of Alfa 156 are in the engine compartment, in a box near the battery positive terminal:
alfa_romeo_156_fuse_box_location_near_battery

alfa_romeo_156_fuse_box_diagram_dashboard

2. Fuse and Relay Box on the dashboard

The fuses for the main devices are in the interior fuse box, under the dashboard, to the left of the steering column.

To gain access to them, remove the panel (A) releasing the tabs (B) in the direction of the arrow below and remove the screw (C).

alfa_romeo_156_fuse_box_location_diagram_dashboard

As pictured lower in the above image, tehere are algo two realys on the top left corner of the fuse box:
A – Dipped beam light relay.
B – Relay for sunroof , seat heater, rear window power control, seat electric adjustment.
Also, there are some spare fuses on the area marked with D.

Above this fuse box there is another fuse box located above it:

alfa_romeo_156_fuse_box_location_diagram_above_main_fuse_box

3. Other Fuses and Relays in Engine Bay

In the engine compartment, housed on a bracket in front of the battery and protected by a special cover, there is a variable number of fuses and relays depending on the versions.

alfa_romeo_156_fuse_box_location_front_battery

alfa_romeo_156_fuse_box_diagram_front_battery

Remove the cover to gain access to the following relays/fuses:
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_fuse_box_diagram_jtd-20v-multijet

For other Diesel versions:

alfa_romeo_156_fuse_box_location_diesel

Depending on the options installed, there is a second bracket fastened to the engine compartment rear bulkhead for the following fuses:

A. MAXI-FUSE 30A: additional passenger compartment heater 2nd level relay.
B. MAXI-FUSE 30A: additional passenger compartment heater 1st level relay.

Fuses list with Amperage

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

 

Fuse Services Ampere rating [A] Location
10 Windscreen wiper, windscreen washer/Rearscreen wiper/Rain sensor (optional) 20 Dashboard
11 Horns 20 Dashboard
13 GSM Box for Connect/Navigator-electronic warning system 10 Dashboard
5 Front power windows 30 Dashboard
4 Left rear power window 20 Above main fusebox
5 Right rear power window 20 Above main fusebox
3 Door locking system – Boot light 20 Dashboard
7 Boot electric opening 30 Above main fusebox
15 Rearscreen heating 30 Dashboard
13 Wing mirror adjustment 10 Dashboard
15 Wing mirror defrosting 30 Dashboard
9 Cigar lighter/Odour sensor 15 Dashboard
1 Headlamp washer 20 Glovebox
4 Headlamp aiming device 10 Dashboard
12 Instrument cluster 10 Dashboard
2 Main-beam headlamp warning light 10 Dashboard
15 Rearscreen heating warning light 30 Dashboard
12 Sound system/Diagnosis socket 10 Dashboard
12 Electronic alarm system 10 Dashboard
10 Supplementary electrical socket in the boot (Sportwagon versions) 20 Above main fusebox
13 Remote control 10 Dashboard
3 Controls lighting/Stop lights 10 Above main fusebox
6 Rear control lighting from sidelights 10 Above main fusebox
8 Seat heating/Sunroof/Seat electrical adjustment 30 Above main fusebox
2(*) Air bag system 10(*) Above main fusebox
9 ABS system 60 Next to the battery
11(*) 10(*) Above main fusebox
13 Alfa Romeo CODE system 7,5 Above main fusebox
9 Climate control system 15 Dashboard
Engine cooling radiator fan:

First speed:

6 – T.SPARK and JTS versions 50 Next to the battery
6 – diesel versions 60 Next to the battery
6 – 2.5 V6 24V versions 40 Next to the battery
Second speed
7 – T.SPARK and JTS versions 30 Next to the battery
7 – diesel versions 40 Next to the battery
7 – 2.5 V6 24V versions 40 Next to the battery
1 Passenger compartment fan (petrol versions) 40 Next to the battery
4 Passenger compartment fan (diesel versions) 40 Next to the battery
13 Electronic ignition and injection system 7,5 Main fusebox
14 15 Main fusebox
15 15 Main fusebox
5 30 Next to the battery
8 Glow plugs and resistances on fuel oil filter (diesel versions) 70 Next to the battery
1 Services switched off with starting 7,5 Main fusebox
12 Battery power supply for Alfa Romeo CODE/Injection system 7,5 Main fusebox
2 (+15) key-controlled service supply (ignition switch) 30 Next to the battery
4 General service supply (petrol versions) 80 Next to the battery
1 General service supply (diesel versions) 80 Next to the battery
3 General service supply 70 Next to the battery
10 Additional heater (diesel version only) 70 Next to the battery
10 Oil pump supply (Selespeed versions only) 30 Next to the battery
7 Selespeed gearbox (2.0 JTS version) 30 Next to the battery
8 20 Next to the battery
7 Automatic gearbox (2.5 V6 24V version) 40 Next to the battery
8 20 Next to the battery