The Alfa Romeo 155 is a compact executive car produced by the Italian car manufacturer Alfa Romeo from 1992 to 1998. It is a sporty sedan with a sleek design and an impressive performance that made it stand out in its class. The Alfa Romeo 155 is equipped with various electrical components, including a fuse box and relay, which are essential for the car’s overall functionality.

Design and Performance

The Alfa Romeo 155 boasts a sleek, sporty design that reflects its high-performance capabilities. It features a front-wheel-drive layout and a transverse engine, with a choice of petrol or diesel engines. The petrol engines range from 1.6 to 2.0 liters, while the diesel engines range from 1.9 to 2.5 liters. The engines are coupled with either a manual or automatic transmission, depending on the model.

Fuse Box and Relay

The Alfa Romeo 155’s fuse box is located on the driver’s side of the dashboard, just below the steering wheel. It houses the car’s fuses, which protect the electrical components from electrical overload or damage. The fuse box also contains the relays, which are responsible for regulating the power supply to different electrical systems, such as the headlights, wipers, and air conditioning.

Regular maintenance of the fuse box and relay is crucial to ensure the car’s electrical system’s proper functioning. Any malfunctioning fuse or relay should be replaced immediately to prevent further damage to the car’s electrical components. In case of any electrical issues, it is advisable to seek the services of a qualified technician to diagnose and repair the problem.

(1992-1998) Alfa Romeo 155 fuse box and relay with Diagram

Alfa Romeo 155 1992-1998 Dashboard

alfa romeo 155 1992 1998 dashboard
alfa romeo 155 1992 1998 dashboard
alfa romeo 155 1992 1998 passenger compartment fuse box
alfa romeo 155 1992 1998 passenger compartment fuse box
No.AmpsAssignment/Designation
110AHazard warning lights
220AHorns, Cigar lighters, Stoplights, Boot release, Radio
320AWindscreen wipers
420ARoof light timer
510AControl lighting, Rear left and front right sidelights, RH number plate light
610AFront fog lamps (+ warning lamp)
710ARH dipped beam headlight
810ALH dipped beam headlight
910ARH main beam headlight
1010ALH main-beam headlight (+ warning lamp)
117,5ARear foglamp (+ warning lamp)
1230AHeated rear window (+ warning lamp), Door mirror defrosters
1320AHeating/air conditioning fan, Seat warming, Rear and front power windows, Radio
1420AEngine cooling fan (6V)
25AElectric fan for radiator cooling
1510ADashboard, Check Panel, Windscreen washers, Headlight washers, Reversing lights, Controlled damping suspension solenoid valves, Air conditioning compressor control, Engine electric fan control
167,5AInterior lights, Clock, Air conditioning control unit
177,5ADirection indicators, Door mirror adjustment, Controlled damping suspension
1820ADoor locks
1920AFront foglamps (+ warning lamp)
Relay
N11Door locking control unit
N13Hazard warning lights and direction indicators intermittence
N14Electronic windscreen wiper intermittence
I2Heated rear window relay
I3Horn relay
I17Fog-light relay
I25Rear fog light relay
I35Key-operated supply relay
I49Dipped beam headlight
I50Main beam headlight
I64Sidelights relay

Auxiliary Fusebox

alfa romeo 155 1992 1998 auxiliary fusebox
alfa romeo 155 1992 1998 auxiliary fusebox
AColourColor
20BlackHeadlight washer intermittence
25BrownPassenger side power window
10RedABS
25BlueRear power windows
30GreenElectric seat adjustment
30RedBoot release
20BrownControlled damping suspension
30WhiteSunroof
BlackTimer for headlight washer
GreenRelay for radiator fan (only for TS model)

1.8-2.0 TS Model

alfa romeo 155 1992 1998 ts model fusebox
alfa romeo 155 1992 1998 ts model fusebox

The following fuses are housed on a bracket located between the battery and the air-flow meter:

No.Assignment/Designation
1Control unit power supply
2Lambda probe (for vehicles equipped with catalytic converter)
3Fuel pump
Relay
R1Fuel pump relay
R2Main relay
R3Timing variator relay
R4Relay for services

2.4 V6 model

alfa romeo 155 1992 1998 v6 model fuse box
alfa romeo 155 1992 1998 v6 model fuse box

The following fuses are located in a box located on the rear wall of the engine compartment next to the tank

No.Assignment/Designation
1Lambda probe (for vehicles equipped with catalytic converter)
2Fuel pump
Relay
R1Fuel pump relay
R2Main relay
R3Relay for services

Heating-Ventilation System

alfa romeo 155 1992 1998 heating vent
alfa romeo 155 1992 1998 heating vent

For vehicles equipped with a heating-ventilation system, the fuses relating to the specific parts are housed in a container located on the front wall of the engine compartment.

alfa romeo 155 1992 1998 heating ventilation system
alfa romeo 155 1992 1998 heating ventilation system
No.AmpsAssignment/Designation
130APassenger compartment electric fan
240AEngine cooling liquid radiator electric fan (only for 2.4 V6 model)
315AAir conditioning system compressor
Relay
ARelay for engine cooling liquid radiator fan (only for 2.4 V6 model)
BSlug for engine cooling liquid radiator fan
CRelay for air conditioning compressor cut-in
DSupplementary relay
alfa romeo 155 1992 1998 engine compartment
alfa romeo 155 1992 1998 engine compartment

The following fuses are housed in the rear left-hand part of the engine compartment next to the brake-clutch fluid reservoir

No.AmpsAssignment/Designation
150AHeating-ventilatton system control unit
240AEngine cooling liquid radiator fan (only for 1.8 – 2.0 TS model)

In conclusion, the Alfa Romeo 155 is an impressive car that offers a unique blend of sportiness and luxury. Its sleek design, high-performance capabilities, and various electrical components, including the fuse box and relay, make it a top choice among car enthusiasts. Regular maintenance of the electrical system, including the fuse box and relay, is crucial to keep the car functioning correctly.

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