Alfa Romeo 147 (2001 – 2010) fuse and relay

The Alfa Romeo 147 (Series 937) is a compact luxury car produced by the Italian car company since 2000. The model was produced for ten years, becoming one of the oldest compact family cars in Europe. The 147 was updated in 2004 with significant changes in the exterior design. This material with fuse and relay diagrams is suitable for owners of Alfa Romeo 147 cars produced in 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 because in this article we will show the location of fuse and relay boxes and the purpose of their elements.


There are three main fuse boxes in this model.

  1. In the cabin, under the dashboard, to the left of the steering wheel;
  2. a box on the positive terminal of the storage battery;
  3. fuse box next to the battery.

Passenger compartment

Fuse box


Location of fuse box in salon alfa 147


Diagram fuse box alfa romeo 147


1210Right dipped-beam headlight
1310Left dipped-beam headlight
Headlight aiming device
317.5Climate control system
Heater unit relay coils
3215Selespeed transmission
Key-operated +30
3320Rear left power window
3420Rear right power window
357.5Reversing light
Cruise control
Climate control system control lighting
3610Trailer control unit
3710Braking light
Instrument cluster
3820Central door locking
3915Climate control system
Services + 30
Volumetric sensors
EOBD system diagnosis socket
Cell phone provision
Driver’s door control unit
Boot control unit
4030Rearscreen heating
417.5Heated wing mirrors – heated nozzles
427.5VDC system sensor
Steering angle sensor
ABS control unit
4330Windscreen – rearscreen washer (two-way pump)
4420Cigar lighter
4515Seats with electric heating
4720Driver’s door control unit supply
4820Passenger’s door control unit supply
497.5Secondary services
Control lighting
507.5Air – bag control unit
517.5Selespeed transmission
5215Rearscreen wiper
5310Hazard lights
+30 direction indicators
Instrument cluster
6025Tailgate electric unlocking
6115Bose system
6215Bose system

The fuse number 44, 20A, is responsible for the cigarette lighter.


  • R1 – Heated front seats relay
  • R2 – Heated rear window relay
  • R3 – Rear screen wash/wipe relay
  • R4 – Headlamp low beam relay

Engine compartment

Main fuse box


Fuse box location alfa romeo 147


Diagram 1

Protected components

150Glow plug warming (diesel versions)
250Dashboard control unit
330Selespeed transmission pump
450ABS control unit
540Climate control fan
630Radiator fan (first speed – petrol versions)
Radiator fan (first speed – diesel versions)
Radiator fan (second speed – petrol versions)
*Radiator fan (second speed – diesel versions)
830Additional heater
920Headlight washer
1115Secondary services (electronic injection)
1410Right main-beam headlight
1510Left main-beam headlight
167.5Electronic injection system
177.5Primary services (electronic injection)
187.5Electronic injection control unit +30
197.5Climate control compressor
2020Heated fuel oil filter (diesel versions)
2115Fuel pump
Ignition coils
Injectors (petrol versions)
*Injectors (diesel versions)
  • 70 – 125/150A Engine compartment control box (petrol versions) / Engine compartment control box (diesel versions)
  • 71 – 70A Dashboard control unit
  • 72 – 30A Ignition switch
  • 73 – 30A Additional heater

Additional fuse box

Only for GTA version (’00-’04)


Diagram 2


17,5A Compressor
215A High Beam
315A Horn
415A Fuel Pump
520A Headlight Washer
67,5A Electronic Injection System
715A Fog Lights
87,5A Primary Services (Electronic Injection)
915A Secondary Services (Electronic Injection)
1015A Coils, Injectors
117,5A 15/54
127,5A Electronic Injection System (15/54)
R2High Beam
R10Fuel Pump
R14Fog Lights
ARadiator Fan Relay No.1
BRadiator Fan Relay No.2
CRadiator Fan Relay No.2
DSelespeed Pump

User’s manual

Alfa Romeo 147 manual in PDF format: ” download “.

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