Jonathan Yarden Oct 22, 2021 · 5 min. read
In this article you will find a description of fuses and relays Volvo,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Year of production: 2008
Relay/Fuse box in the engine compartment
| Position | Function | Ampere rating [A] |
| 1 | ABS | 30 |
| 2 | ABS | 30 |
| 3 | Headlight washers (certain models) | 35 |
| 4 | — | — |
| 5 | Auxiliary lights (option) | 20 |
| 6 | Starter motor relay | 35 |
| 7 | Windshield wipers | 25 |
| 8 | Fuel pump | 15 |
| 9 | — | — |
| 10 | Ignition coils, engine control module | 20 |
| 11 | Throttle pedal sensor, A/C compressor, e-box fan | 10 |
| 12 | Engine control module, fuel injectors, mass airflow sensor | 15 |
| 13 | Throttle housing control module | 10 |
| 14 | Heated oxygen sensor | 20 |
| 15 | Crankcase ventilation heater, solenoid valves | 10 |
| 16 | Driver’s side low beam headlight | 20 |
| 17 | Passenger’s side low beam headlight | 20 |
| 18 | — | — |
| 19 | Engine control module feed, engine relay | 5 |
| 20 | Parking lights | 15 |
| 21 | — | — |
Fuse box in the passenger compartment, behind the plastic cover
| Position | Function | Ampere rating [A] |
| 1 | Heated passenger’s seat (option) | 15 |
| 2 | Heated driver’s seat (option) | 15 |
| 3 | Horn | 15 |
| 4 | — | — |
| 5 | — | — |
| 6 | — | — |
| 7 | — | — |
| 8 | Alarm siren | 5 |
| 9 | Break light switch feed | 5 |
| 10 | Instrument panel, climate system, power driver’s seat (option) | 10 |
| 11 | 12-volt sockets – front and rear seats | 15 |
| 12 | — | — |
| 13 | — | — |
| 14 | — | — |
| 15 | ABS, DSTC | 5 |
| 16 | Power steering, Active BiXenon headlights (option) | 10 |
| 17 | Driver’s side front foglight (option) | 7,5 |
| 18 | Passenger’s side front foglight (option) | 7,5 |
| 19 | — | — |
| 20 | — | — |
| 21 | Transmission control module, reverse gear block (M66) | 10 |
| 22 | Driver’s side high beam | 10 |
| 23 | Passenger’s side high beam | 10 |
| 24 | — | — |
| 25 | — | — |
| 26 | — | — |
| 27 | — | — |
| 28 | Power passenger’s seat (option), audio system | 5 |
| 29 | — | — |
| 30 | — | — |
| 31 | — | — |
| 32 | — | — |
| 33 | Vacuum pump | 20 |
| 34 | Windshield washer pump | 15 |
| 35 | — | — |
| 36 | — | — |
Fuse box on the edge of the dashboard
| Position | Function | Ampere rating [A] |
| 1 | Power driver’s seat (option) | 25 |
| 2 | Power passenger’s seat (option) | 25 |
| 3 | Climate system blower | 30 |
| 4 | Control module – front passenger’s door | 25 |
| 5 | Control module – driver’s door | 25 |
| 6 | Ceiling lighting, upper electrical control module | 10 |
| 7 | Moon roof (option) | 15 |
| 8 | Ignition switch, SRS system, engine control module, immobilizer) | 7,5 |
| 9 | Onboard diagnostics, headlight switch, steering wheel angle sensor, steering wheel control module | 5 |
| 10 | Audio system | 20 |
| 11 | Audio system amplifier (option) | 30 |
| 12 | Navigation system display (option) | 10 |
| 13 – 38 | — | — |
Fuses in the trunk
| Position | Function | Ampere rating [A] |
| 1 | Backup lights | 10 |
| 2 | Parking lights, foglights, cargo area lighting, license plate lighting, brake lights | 20 |
| 3 | Accessory control module | 15 |
| 4 | — | — |
| 5 | Rear Electronic Module | 10 |
| 6 | CD-changer (option), Navigation system (option) | 7,5 |
| 7 | Trailer wiring (30-feed) – option | 15 |
| 8 | 12-volt socket – cargo area | 15 |
| 9 | Rear passenger’s side door – power window, power window cutout function | 20 |
| 10 | Rear driver’s side door – power window, power window cutout function | 20 |
| 11 | — | — |
| 12 | — | — |
| 13 | — | — |
| 14 | — | — |
| 15 | — | — |
| 16 | — | — |
| 17 | Accessory audio | 5 |
| 18 | — | — |
| 19 | Folding head restraints | 15 |
| 20 | Trailer wiring (15-feed) – option | 20 |
| 21 | — | — |
| 22 | — | — |
| 23 | All Wheel Drive | 7,5 |
| 24 | Four-C chassis system (option) | 15 |
| 25 | — | — |
| 26 | Park assist (option) | 5 |
| 27 | Main fuse: trailer wiring, FourC, park assist, All Wheel Drive | 30 |
| 28 | Central locking system | 15 |
| 29 | Driver’s side trailer lighting: parking lights, turn signal | 25 |
| 30 | Passenger’s side trailer lighting: parking light, brake light, fog light, turn signal | 25 |
| 31 | Main fuse: fuses 37 and 38 | 40 |
| 32 | — | — |
| 33 | — | — |
| 34 | — | — |
| 35 | — | — |
| 36 | — | — |
| 37 | Heated rear window | 20 |
| 38 | Heated rear window | 20 |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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