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1998-2007 Alfa Romeo 166

Fuse Location (1998-2003)

Alfa Romeo 166 Fuses Block Location

This model is fitted with two junction units: a main junction unit (1) located underneath the dashboard to the left of the steering column and an auxiliary junction unit (2) positioned in the engine compartment.

Fuse Location (2003-2007)

2003-2007 Alfa Romeo 166 Fuse Box Location

This model is fitted with three junction units: one (1) located underneath the dashboard to the left of the steering column, one (2) located in the engine compartment and a third (3) in the boot. In addition, the power supplies coming from the battery are protected by MAXIFUSES located on the actual battery.

Passenger Compartment Fuse Box

Alfa Romeo 166 Interior Fuse Box Location

Access to it is gained slackening the knob (A) and lowering the panel (B).

Alfa Romeo 166 Fuses Block

Alfa Romeo 166 Fuse Panel Diagram

 

Fuses Specifications
No.ADescription
115Brake Lights, IGE Control Unit, Brake Depressed Light Control Signal, Control Panel, Direction Indicators (Steering Column Switch Unit), Exterior Lights Control
210Air Bag Control Unit, Gearshift Lever
35'03-'07: Sun Roof, Rear Socket, Seats
?Fuel Pump
415Radio
510Mobile Phone, Glove Compartment Light, Cruise Control, Gear Lever Panel (CAE), Light Dimmer, Door Opening Receiver, Heated, Fold-Down Door Mirrors, Antitheft Control Unit, Switch On Console (C.M.), Compressor Relay Coil, Symbols (Switches/Buttons), I.C.S. System, Sound System Controls on Steering Wheel
67.5'03-'07: Control Panel, Control Lighting, Headlights and Headlight Position Sensor (Gas Discharge Headlights), I.C.S. System
5'98-'03: Climate Control Fan Relay Coil
710Front Current Socket (Cigar Lighter), I.C.S. System
810Direction Indicators and Hazard Warning Lights, Right Side Lights
95'03-'07: Control Lighting, Brake Lights Switch, IGE Control Unit, ABS
5'98-'03: Electrochromic Mirror, Rain Sensor, Preparation for Telepass, Relay Coil for Seat Heat Pad Control, Signal to Front Electric Window Control Unit, Signal to Rear Electric Window Control Unit, Climate System Controls, Rear Electric Window Switch Inhibition Light
105CAE Control Unit, Electronic Automatic Gearbox (Control Unit, Sensors and Gearshift Lever)
1115'03-'07: IGE Control Unit, Headlight Spot
20'98-'03: IGE Control Unit
1220Headlamp Washer
1310'03-'07: Sun Roof, ABI Control Unit, Electronic Automatic Gearbox, Reversing Lights (only Versions with Manual Gearbox)
15'98-'03: Sun Roof, Reversing Light Signal for Electrochromic Mirror
1425Windscreen Wash/Wiper
1510'03-'07: IGE Control Unit, Rear Light Units
25'98-'03: Motor for Right/Left Front Electric Windows
165Alfa Romeo Code System, Electronic Injection System, Engine Cooling Control Unit, Compressor Relay, Electronic Automatic Gearbox, Fuel Pump Relay Coil (Engine Bay Box)
1710'03-'07: IGE Control Unit, Left Side Lights
10'98-'03: Transmission Lever Panel (CAE), Passegner Compartment Courtesy Light, Door Lights, Boot Light, Glove Compartment Light, Light Dimmer, Climate Control System Control Unit, Antitheft Control Unit, Remote Control Receiver, Diagnostic Socket
185Instrument Panel, I.C.S. System, Preparation for Mobile Phone, EOBD System (Diagnostic Socket), Navigator
195'03-'07: Climate Control System Control Unit
25'98-'03: Central Locking Motor, Additional Current Socket
205Alfa Romeo Code System- Injection (Petrol)
Relay
R1Ignition Discharge
R2'98-'03: Direction Indicators/Hazard Warning Lights Flasher
R3Headlamp Washer Intermittent

Engine Compartment Fuse Box (1998-2003)

1998-2003 Alfa Romeo 166 Engine Fuses Box Chart

Fuses Specifications
No.ADescription
110Right Main Beam Headlamp
210Left Main Beam Headlamp
315Fog Light
415Horns
510Air Conditioning Compressor
610Left Dipped Headlamp
710Right Dipped Headlamp
850High Speed Radiator Fan
950Low Speed Radiator Fan
Relay
R1Dipped Beam Headlamps
R2Horns
R3Air Conditioning Compressor
R4Main Beam Headlamps
R5Fog Light
R6High Speed Radiator Fan
R7Low Speed Radiator Fan

Additional Fuses (1998-2003)

Fuses Specifications
No.ADescription
180JTD: Plug Preheating Control Unit
230Ignition Coils, Fuel Injection Main Relay, Fuel Pump Relay, Engine Management Control Unit, Fuel Injection Control Unit Supply Relay, Fuel Injection Services Supply Fuse
330JTD: Additional Heater
415JTD: Diesel Pre-Heating
530Starter
760ABS
840'01-'03: Radiator Fan (2.4 JTD 10v - ???)
    
930Vehicle Interior Fan 
105CAE Supply 
1110ABS
127.5JTD: Engine Management Control Unit
1320'02-'03: Cigar Lighter

Luggage Compartment Fuses (1998-2003)

Fuses Specifications
No.ADescription
140Heated Rear Window
225Fuel Flap Opening 
320Boot Opening 
430Left Seat Adjustment 
520Seat Heating 
630Right Seat Adjustment 
715Trailer
825Rear Electric Windows 
near with Battery    
-125Main Fuse
150'99-03 (2.4 JTD 6M): Main Fuse
-60Luggage Fuses
ACC30Ignition Switch
Centr60Fuse: "8", "10", "11", "12", "15", "17", "18", "19", "20", Ignition Discharge Relay, Vehicle Interior Fan Fuse
-15Radio Amplifier

Luggage Compartment Fuse Box (2003-2007)

2003-2007 Alfa Romeo 166 Trunk Fuses Block Location

2003-2007 Alfa Romeo 166 Trunk Fuses Block Layout

 

Fuses Specifications
No.ADescription
5425HIFI Amplifier
5520Sun-Roof
5620Driver's (LH) Side Front Window
5710Driver's (LH) Heated Seat
58- -
597.5Mirror Demist
6020Passenger (RH) Side Front Window
20Rear Current Socket
6120Left Rear Electric Window
6220Right Rear Electric Window
6320Central Locking, Boot Release
6430Heated Rear Window
6510JTD: Additional Heater
6610Anti-Theft Device and Light Blinker, Diretction Indicators, Trailer Presetting
6710Passenger (RH) Heated Seat
6815Windscreen Demisting
20Passenger (RH) Side Front Window
6920Rear Current Socket
15Windscreen Heating
7730Driver's (LH) Seat Movement
7810Interior Lights, Rain Sensor, Mirror Adjustment, Seat Warming Control Light, Sun Vision Lights, Alarm System Control Unit, Electrochromic Driving Mirror, Parking Sensors Control Unit, Remote Control Receiver
7930Passenger (RH) Seat Movement
80- -
Relay
R21Sun Roof, Rear Socket
R22Windscreen and Mirror Demisting
R23Heated Rear Window
R24Ignition Discharge
R25Climate Control System Control Unit
R26Lights Blinker

Engine Compartment Fuse Box (2003-2007)

2003-2007 Alfa Romeo 166 Engine Fuses Block

2003-2007 Alfa Romeo 166 Engine Fuse Block Diagram

 

Fuses Specifications
No.ADescription
150JTD: Glow Plugs
60JTD: Glow Plugs
240ABS
320Ignition Switch
30Starter Motor
440ABS
510CAE Ignition Lock
20Electronic Automatic Gearbox (3.0 V6 24V Sportronic Version)
630Engine Cooling Fan (Low Speed)
40Engine Cooling Fan (Low Speed)
760Engine Cooling Fan (High Speed)
830Climate Control Fan
915Electronic Automatic Gearbox - Sportronic Versions (Control Unit, Sensors and Gearshift Lever)
1015Horns
1115Electronic Injection Control Unit, Various Auxiliary Services I.E., Diesel Filter (JTD)
1415Right Main Beam Headlamp
1515Left Main Beam Headlamp, Headlamp Alignment
16- -
1710Electronic Injection Control Unit
187.5Engine Control Unit, I.E. Services, CAE
197.5Conditioner Compressor
2030JTD: Diesel Filter Heating
2115Fuel Pump
2220Electronic Injection Control Unit
2320JTD: Additional Heater
24- -
3015Front Fog Lights
Relay
R2High Beam
R3Horn
R5Compressor
R6Radiator Fan 1st Speed
R7Radiator Fan 2st Speed
R8Climate Control System
R9Fuel Injection Main
R10Fuel Pump
R14Fog Lamp
R17CAE
R19Heated Diesel Filter
R20Starter Inhibitor

Engine Compartment Fuse Box No.2 (2003-2007)

2003-2007 Alfa Romeo 166 High Fuse Block

Fuses Specifications
No.ADescription
470CPL
570CVB
6-
7150CVM

Additional Heater Relay, Cooling Fan Relay (JTD - 2003-2007)

2003-2007 Alfa Romeo 166 Additional Heater Relay Location

To gain access to relays on the bracket set behind the left headlight, remove the cover (A) after turning the fastening pins (B).

2003-2007 Alfa Romeo 166 Cooling Fan Relay Location

Brown Relay: Additional Heater
Black Relay: Engine Cooling Radiator (High Speed)