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Alfa Romeo 166 facelift (2003-2007) - fuse box

Alfa Romeo 166 facelift (2003-2007) – fuse box

Posted on July 26, 2022

Alfa Romeo 166 facelift (2003-2007) – fuse box diagram

Year of production: 2003, 2004, 2005, 2006, 2007.

Cigarette lighter fuse (power socket) in Alfa Romeo 166 FL (2003-2007). is fuse 7 in the fuse box.

Fuses and relays in the control unit

Alfa Romeo 166 – fuses – control unit

The fuses for the main units are located in the control unit under the dashboard, on the left side of the steering column.

Fuses and relays in the engine compartment

Alfa Romeo 166 – fuses – engine compartment
No. Description
A Passing lights
B Air conditioning fan
C Horn
D Front fog light
E Gasoline versions (single fan):

engine radiator (high speed)

JTD versions (with two fans):

engine cooler (high speed).

F Compressor for conditioner
H Gasoline versions:

engine cooler (low speed).

JTD versions (with two fans):

engine cooler (high speed).

L . Fuel pump
M Electronic main injection relay
N Starter
P Diesel filter heating

(JTD versions).

JTD versions (with two fans):

engine cooler (low speed).

Fuses and relays in the trunk

Alfa Romeo 166 – fuses – trunk
No. Description
A Air mixing actuator;

Air conditioner;

Control of additional heater

(JTD versions).

B Rear window heating relay
C Seat heating control;

Electrochromic road mirror;

Sun visor;

Rain sensor;

Parking sensor control unit;

Side mirror indicator light;

Remote control receiver;

Alarm system control unit;

Driver’s window control lamp

warning LOCK.

D Windshield heating;

Defrosting exterior mirrors.

E Front seat heating;

Rear power outlet;

Electric front seat adjustment;

Electrically operated sunroof.

F Turn signals;

Trailer pre-setting.

Fuse table summary

Outdoor lighting No. Amp [A] Location
Brake lights (switch) 9 5 86
1 15 86
Turn signals 12 10 93
Exterior lighting (control) 5 10 86
Front fog lights 16 15 89
Headlights and headlight position sensor

(gas-discharge headlights)

6 7,5 86
IGE control unit:
– brake light switch 1 15 86
– stoplights 9 5 86
– headlamp 11 15 86
– left position lights 17 10 86
– taillight assemblies 15 10 86
– right position lights 8 10 86
Left dipped beam 12 15 89
Reversing lights

(manual transmission versions only)

13 10 86
Right dipped headlights 10 15 89
Interior lighting No. Amp [A] Location
Dashboard lighting dimmer 5 10 86
Side mirror indicator light 15 10 93
Lighting of the handy storage compartment 5 10 86
Seat heating light 15 10 93
Sun visor lighting 15 10 93
System/component No. Amp [A] Location
ABI control unit 13 10 86
ABI control unit -.

Central locking

19 20 93
ABI control unit -.

Left windshield

18 20 93
ABI control unit -.

Right windshield

3 20 93
ABI control unit -.

Left rear window

14 20 93
ABI control unit -.

Rear right power window

17 20 93
ABS control unit 9 5 86
7 40 89
3 40 89
Additional heater

(JTD versions)

17 20 89
13 10 93
Alarm system

(control unit)

12 10 93
15 10 93
Alfa Romeo code system 20 5 86
16 5 86
Cell phone (handset) 18 5 86
5 10 86
Central locking system

(ABI control unit)

19 20 93
Lighter 7 20 86
Air conditioning fan 2 30 89
Climate control unit 19 5 86
Compressor for conditioner 13 7,5 89
Cruise control 5 10 86
Diesel filter heating

(JTD versions)

23 30 89
5 40 89
Defrosting exterior mirrors 2 7,5 93
Electrochromic driving mirror 15 10 93
Electronic injection control unit 20 10 89
21 15 89
22 20 89
Electronic injection system 16 5 86
Engine control unit 18 7,5 89
Engine cooling controller 16 5 86
Engine radiator fan 4 60 89
Engine radiator fan 5 40 89
EOBD system (socket) 18 5 86
Left windshield

(ABI control unit)

18 20 93
RH right windshield

(ABI control unit)

3 20 93
LH electric front seat adjustment 6 30 93
Electric adjustment of the right front seat 5 30 93
Front seat warming on the left side 9 10 93
Right front seat heater 8 10 93
Fuel pump 19 15 89
Fuel pump relay coil

(engine box)

16 5 86
Glow plug (JTD versions) 8 60 89
Headlight washer

(intermittent)

12 20 86
Horns 11 15 89
ICS System 5 10 86
6 7,5 86
7 20 86
18 5 86
Instrument panel 6 7,5 86
18 5 86
Navigator 18 5 86
Parking sensors (control unit) 15 10 93
Power windows

(indicator light BLOCK)

15 10 93
Electric sunroof 10 20 93
Presetting 4 – 93
11 – 93
Rain sensor 15 10 93
Rear power socket 16 20 93
Left rear window (ABI control unit) 14 20 93
Rear power window right

(ABI control unit)

17 20 93
Rear window heater 1 30 93
Relay coil T21, T22, T23 (trunk) 3 5 86
T24 relay coil (trunk) 5 10 86
Remote control reception 15 10 93
Sound amplifier 20 25 93
Sound system 4 15 86
System controls

sound on the steering wheel.

5 10 86
Starter 1 30 89
Initial trailer setup 12 10 93
Windshield heater 7 15 93
Wipers 14 25 86

Related posts:

  1. Alfa Romeo 166 (1999-2003) – fuse box
  2. Alfa Romeo 166 (1998-2007) – batteries
  3. Alfa Romeo 156 (1997-2006) – batteries
  4. Alfa Romeo 156 Crosswagon (2004-2008) – fuse box
  5. Alfa Romeo 156 (2003-2006) – fuse box
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