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
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
| 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
| 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 |