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Fuse box diagrams (layout, function, assignment) in the cabin and engine compartment of Alfa Romeo 145 and 146 (1994, 1995, 1996, 1997, 1998, 1999, 2000).
Checking and Replacing Fuses
The wiring circuits in the vehicle are protected from short circuits by fuses. This greatly reduces the chance of damage caused by electrical problems.
To check a fuse, look at the silver-colored band inside the fuse. If the band is broken or melted, replace the fuse. Be sure to replace a bad fuse with a new one of the identical size and rating.
Fuses of the same amperage can be temporarily borrowed from another fuse location if a fuse goes out. Replace the fuse as soon as possible.
Note
- Before replacing a fuse check that the key has been removed from the ignition and that all the services are switched off and/or disengaged.
- When replacing a blown fuse, it is important to use only a fuse having the correct amperage rating. The use of a fuse with a rating other than indicated may result in a dangerous electrical system overload.
- If a properly rated fuse continues to blow, it indicates a problem in the circuit that must be corrected.
Dashboard Fuse Box Diagram (Type 1)
| № | A | Fused component |
|---|---|---|
| 1 | 7.5 | 1) Dim-Dip |
| 30 | 2) Heated seats | |
| 2 | 25 | Front power windows |
| 3 | 7.5 | 1) Direction indicators, Front power windows, Compressor control, Engine fan timer, Luggage compartment opening control |
| 20 | 2) Clock, inner roof lights, Instrument cluster, Door locking remote control, Radio, Radio telephone | |
| 20 | 3) Interior roof lamps and boot light, Clock, Radio receiver, Boot release button, Air conditioner compressor | |
| 4 | 10 | Hazard warning lights, Anti-theft device |
| 5 | 20 | Door locking device |
| 6 | 25 | 1) Horns, Cigar lighter, Stop lights, Radio |
| 20 | 2) Horns | |
| 7 | 30 | Heated rearscreen, Heated rearscreen warning light, Mirror defrosting |
| 8 | 15 | 1) Instrument cluster, Windscreen-headlamp washer pump, Reversing lights, Airbag, Wing mirror adjustment, Clock, Check panel, Alfa Romeo Code system, EGR |
| 15 | 2) Lever unit supply, Cluster, Check panel, Boot opening, Front power window, Wing mirror adjustment, Air Bag, Air recirculation, Compressor control, EGR (TD), ABS, Radio telephone, Additional heating control unit (JTD) | |
| 15 | 3) Stop lights, Additional stop light (3rd stop), Reversing light, Trailer stop light, Windscreen/rearscreen wiper, Instrument cluster, Check panel, Generator charge warning light, Low oil pressure warning light, Controls lighting | |
| 9 | 10 | 1) Right rear sidelight, Left number plate light, Left front sidelight, Sidelight warning light, Cluster lighting, Controls lighting |
| 10 | 2) Right front side light and corresponding warning light, Left rear side light, Right number plate light, Left trailer side light, Instrument cluster, Controls lighting | |
| 10 | 10 | 1) Clock, Interior lighting, Instrument cluster, Door lock remote control |
| 10 | 2) ABS system | |
| 11 | 30 | 1) Heated seats |
| 7.5 | 2) Engine fan, CODE control unit, i.e. control unit, i.e. control unit (JTD), Compressor control unit (TD) | |
| 7.5 | 3) Alfa Romeo Code system (T.SPARK engines), Engine cooling radiator fan, Injection system | |
| 12 | 30 | 1) Engine fan (Boxer) |
| 7.5 | 2) Door locking and alarm relay, TELEPASS supply | |
| 7.5 | 3) Direction indicators | |
| 13 | 30 | Electric sunroof |
| 14 | 25 | Rear power windows |
| 15 | 7.5 | 1) Rear fog guard (car and trailer), Fog guard warning light |
| 16 | 15 | Right high beam headlamp |
| 17 | 15 | Left high beam headlamp, High beam warning light |
| 18 | 20 | Windscreen wiper, heated seats |
| 19 | 25 | 1) Rearscreen wiper, Compressor control unit (TD), Radiator fan (TD and T.SPARK), Heated seats |
| 10 | 2) Cigar lighter | |
| 10 | 3) Glove box light, Front power windows, Rear power windows, Rearscreen heating, Door mirror adjustment, Sunroof, Air conditioner compressor, Load cut off during starting | |
| 20 | 10 | 1) Instrument cluster lighting, Control lighting, Left rear sidelight, Right number plate light, Right front sidelight, Sidelights warning light |
| 10 | 2) Cigar lighter, Left front side light, Right rear side light, Left number plate light, Right trailer side light, Fog lamps and corresponding warning light, Front power windows, Rear power windows, Door mirror adjustment, Radio | |
| 21 | 20 | 1) Heater, fan |
| 30 | 2) Heater, fan | |
| 22 | 20 | Fog lamps, Fog lamp warning light |
| 23 | 10 | 1) Right low beam headlamp, Headlamp aiming device |
| 10 | 2) Left low beam headlamp | |
| 24 | 10 | 1) Left low beam headlamp |
| 10 | 2) Right low beam headlamp, Headlamp aiming device | |
| A | Sunroof relay | |
| B | Rear fog guard control unit | |
| C | 1) Rear fog guard relay | |
| 2) Sunroof relay | ||
| D | High beam headlamp relay | |
| E | Key-operated supply relay | |
| F | Fog lamp relay | |
| G | Low beam headlamp relay | |
| H | Heated rearscreen relay | |
| I | Door locking control unit | |
| L | Horn relay | |
| M | Sidelights relay | |
| N | Electronic windscreen wiper intermittence | |
| O | Not used | |
| P | 1) DIM-DIP cut-in relay | |
| 2) Engine water cooling fan relay | ||
| Q | 1) Engine water cooling fan relay | |
| 2) Direction indicators/hazard warning lights relay | ||
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Dashboard Fuse Box Diagram (Type 2)
| № | A | Fused component |
|---|---|---|
| 1 | 10 | Hazard warning lights |
| 2 | 20 | Horns, cigar lighter, stop lights, radio |
| 3 | 20 | Windscreen wiper |
| 4 | 20 | Heated rearscreen |
| 5 | 10 | Instrument cluster lighting, contr,lighting, rear LH sidelights, RH №plate, front RH sidelight, sidelight warning light |
| 6 | 10 | Rear RH sidelight, LH №plate, front LH sidelight |
| 7 | 10 | Right low beam headlamp |
| 8 | 10 | Left low beam headlamp |
| 9 | 10 | Right high beam headlamp |
| 10 | 10 | Left high beam headlamp, high beam warning light |
| 11 | 7.5 | Rear fog guard, fog guard warning light |
| 12 | 30 | Heated rearscreen, healed rearscreen warning light |
| 13 | 20 | Heater, fan |
| 14 | 25 | Engine fan |
| 15 | 10 | Instrument cluster, windscr.-hd.lamp washer, rev. lights, airbag, clock, engine fan, ALFA ROMEO CODE |
| 16 | 20 | Clock, interior lighting, instrument cluster, door locks |
| 17 | 7.5 | Direction indicators, compressor control, engine fan timer, sunroof control |
| I2 | Heated rearscreen relay | |
| I3 | Horn relay | |
| I25 | Rear fog guard relay | |
| I35 | Key-operated supply relay | |
| I49 | Low beam headlamp relay | |
| I50 | High beam headlamp relay | |
| I64 | Sidelights relay | |
| N14 | Electronic windscreen wiper intermittence | |
| № | A | Fused component |
|---|---|---|
| 1 | 10 | Air conditioner compressor |
| 2 | 20 | Headlamp washer |
| 3 | 30 | Power windows and door locking system |
| 4 | 10 | Air bag system, Instrument cluster |
| 5 | 7.5 | Door mirror defrosting |
| 6 | 20 | Alarm system |
| 7 | 7.5 | Alfa Romeo Code system (T.SPARK engines) |
| Relay | ||
| A | Direction indicator timer | |
| B | Fuel oil warming control relay (1.9 JTO only) | |
| C | Headlamp washer relay (optional for versions/markets where applicable) | |
| D | Passenger power window relay | |
| E | Door mirror defrosting device relay (optional for versions/markets where applicable) | |
| F | Tailgate opening relay (optional for versions/markets where applicable) | |
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Engine Compartment Fuse Box Diagram
| № | A | Fused component |
|---|---|---|
| 1 | 30 | All devices activated with the ignition key at MAR do not work |
| 2 | 40 | Engine cooling radiator fan |
| 3 | 60 | Almost all the electric systems and components do no work |
| 4 | 60 | Almost all the electric systems and components do no work |
| 5 | 60 | ABS system |
| 6 | 30 | Electronic injection-ignition system (petrol engines only) |
| 7 | 70 | Additional heater (1.9 JTD version) for versions/markets where applicable |
| 8 | 60 | Glow plugs and resistance on fuel oil filter (1.9 JTD version) |
T.SPARK Additional Fuses
| № | A | Fused component |
|---|---|---|
| 1 | 15 | Injection system |
| 2 | 15 | Injection system |
| A | Main relay | |
| B | Fuel pump and services relay | |
| C | Climate control compressor relay (optional for versions/markets where applicable) | |
| D | Relay for engaging the radiator fan 2nd speed | |
1.9 JTD Additional Fuses
For a 1.9 JTD engine on a special bracket under the passenger’s side floor trim, in correspondence with the injection control unit, there is a set of fuses and relays.
| № | A | Fused component |
|---|---|---|
| 1 | 7.5 | Alfa Romeo Code system |
| 2 | 7.5 | Injection system |
| A | Fuel pump relay | |
| B | Injection system relay | |
Additional Fuses
| № | A | Fused component |
|---|---|---|
| 1 | 40 | Engine cooling radiator fan |
| A | Relay for engaging the radiator fan 2nd speed (version with heater) | |
| B | Relay for engaging the fan 1st speed | |
| C | Relay for engaging the fan 2nd speed | |
| D | Climate control compressor relay | |
For versions/markets where applicable, for the 1.9 JTD engine, the following relays ore to be found in the correspondence of the right headlamp:
— Additional passenger compartment heater relay 1st level
— Additional passenger compartment heater relay 2nd level
— Add. heater safety switch,
In addition, only for versions with air conditioner, on the engine fan duct, there is a switch for the engine fan 2nd speed.
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