Volvo FM – fuse box diagram
Main fuses
The main fuses are located in the main fuse box inside the chassis battery box.
| No. | Amps [A] | Description |
| 1 | 125 | Heating |
| 2 | 200 | Hydraulic jack;
Body. |
| 3 | 125 | Cab |
| 4 | 40 | Secondary lighting supply |
In relay and fuse box
The fuses in the electrical distribution unit are knife-type fuses, two different types are used.
Knife type fuses
| No. | Description | Amps [A] |
| F1 | TPM | 10 |
| F2 | Lighting, loading area | 10 |
| F3 | Charging lamp, saddle light | 10 |
| F4 | Electrically adjustable seat;
Cab tilt pump; Saddle loading and lighting. |
5 |
| F5 | Instrumentation (cl. 30) | 5 |
| F6 | Dehumidifier | 5 |
| F7 | Vehicle control unit;
Electronic immobilizer. |
5 |
| F8 | Instrumentation, TPM | 5 |
| F9 | Range lock, area lock (in gearbox) | 5 |
| F10 | NOx sensor;
Toll. |
5 |
| F11 | Control unit shift lever | 5 |
| F12 | Gearbox Converter/Control Unit Control | 10 |
| F13 | Wipers | 15 |
| F14 | Lighter, lamp compartment, center section | 10 |
| F15 | Water separator;
Fuel filter heater; Water drain valve. |
10 |
| F 16 | Differential lock;
Power take-off. |
5 |
| F17 | External lighting of the control unit | 5 |
| F18 | Horn;
Compressed air solenoid valve for the horn. |
10 |
| F19 | Climate unit;
FMS gateway. |
5 |
| F20 | Central locking;
Parking lot heater. |
10 |
| F21 | Fan;
Air Conditioner. |
15 |
| F22 | Courtesy Light | 10 |
| F23 | Air Suspension | 5 |
| F24 | Dehumidifier;
ADR parking heater; Electrically heated mirrors. |
10 |
| F25 | Power supply, ABS/EBS trailer | 20 |
| F26 | Fuse box for the body | 30 |
| F27 | Electric elevator window on the left side;
Electrically heated rear-view mirrors. |
20 |
| F28 | ABS/EBS | 20 |
| F29 | Coffee maker | 30 |
| F30 | Electric right side window elevators | 20 |
| F31 | Main fuse for fuses 95-97 | 20 |
| F32 | Climatic unit | 20 |
| F33 | Cab tilt | 30 |
| F34 | Amplifier | 30 |
| F35 | Electrically adjustable seat | 20 |
| F36 | Reverse light circuit, trailer | 15 |
| F37 | Telephone, Dynafleet | 5 |
| F38 | Input Lamps | 5 |
| F39 | Electrically adjustable mirrors | 5 |
| F40 | Motor control unit | 15 |
| F41 | Solenoid valves in the engine;
Electric fuel pump. |
10 |
| F42 | Preheating of the relay engine;
Electrically controlled cooling fan. |
5 |
| F43 | BBM Bodybuilder Control Unit | 5 |
| F44 | Voltage converter for radio/12 V socket | 15 |
| F45 | Voltage converter for 12 V socket | 15 |
| F46 | Rotating warning light | 15 |
| F47 | ACC | 5 |
| F48 | ABS/EBS;
EBS switch. |
5 |
| F49 | Air suspension | 3 |
| F50 | Phone | 5 |
| F51 | Hydraulically controlled shaft | 5 |
| F52 | Air intake heating;
Redundant position of the relay radio. |
10 |
| F53 | Roof light signal | 10 |
| F54 | Dynafleet, FMS gateway | 10 |
| F55 | Airbag;
Seat belt pretensioner. |
5 |
| F56 | Free | 5 |
| F57 | Gear shift lever/gearbox control unit | 3 |
| F58 | D+ short-circuit relay, ADR only | 5 |
| F59 | Reversing Camera, Dynafleet | 5 |
| F60 | Hydraulically Controlled Axle | 5 |
| F61 | Burglar alarm, Volvo connection (SAM);
Folding rearview mirror arm, Japan. |
5 |
| F62 | Free | 15 |
| F63 | Alcoholic system | 10 |
| F64 | Rate system | 10 |
| F65 | Central lubrication system | 10 |
| F66 | Solar Roof | 10 |
| F67 | Floor lamps, reading lamps | 10 |
| F68 | Refrigerator | 10 |
| F69 | 12 V output | 10 |
| F70 | ABS/EBS, towing (cl. 15) | 5 |
| F71 | Accessories | 10 |
| F72 | Level adjustment system, headlights | 5 |
| F73 | Hydraulically controlled shaft | 5 |
| F74 | Headlight washer (high pressure) | 15 |
| F75 | Electrically heated seats | 15 |
| F76 | ADR D+ short-circuit relay;
Fan instrument panel. |
5 |
| F77 | 24 V power socket on instrument panel | 10 |
| F78 | 24 V electrical outlet, next to the bun | 10 |
| F79 | 12 V for TV | 10 |
| F95 | Central locking system | 10 |
| F96 | Anti-theft alarm | 5 |
| F97 | Parking Lot Heater | 15 |
LCM Fuses
| No. | Description | Amps [A] |
| 1 | Trailer indicator lights;
Brake lights and passing lights, right side; Reversing lights; Rear parking lights. |
25 |
| 2 | High beam headlights on the left side;
Fog lights; Warning light; Warning Signal. |
25 |
| 3 | Trailer brake lights and rear turn signals, left side;
Traffic lights on right side. |
25 |
| 4 | Trailer parking lights and rear turn signals, right side;
Left side brake light. |
25 |
| 5 | Reversing lights trailer;
Front parking lights on the right side; Passing lights and towing indicators, left side. |
25 |
| 6 | Trailer parking lights and parking lights on the front left;
Direction indicators in front. |
25 |
Fuses in the battery box
| No. | Description | Amps [A] |
| 1 | Tachograph | 5 |
| 2 | Main Fuses F95-F97 | 20 |
| 3 | AdBlue System | 20 |
To superstructure
56 X. Fuses for the superstructure
| No. | Description | Amps [A] |
| 1 | Cl.30, B+ | 15 |
| 2 | Cl.30, B+ | 15 |
| 3 | Cl.15, driving position | 15 |
| 4 | Cl.15, driving position | 15 |
| 5 | Kl.61, alternator | 10 |
| 6 | Free | 10 |
56 P. Recessed tracks (options)
| No. | Description | Amps [A] |
| 1 | Cl.30, B+ | 15 |
| 2 | Cl.30, B+ | 15 |
| 3 | Cl.30, B+ | 15 |
| 4 | Cl.30, B+ | 15 |
| 5 | Free | 10 |
| 6 | Free | 10 |
Body relays in front of the passenger seat
| No. | Description |
| 37 | Parking lights |
| 38 | Pressure selection, tipping trailer |
| 39 | Empty, for development |
| 40 | Empty, for development |
| 41 | Empty, for development |
| 42 | Headlights |
| 43 | External engine start |
| 44 | Reversing Light |
| 45 | Brake actuation (reverse gear lock) |
| 46 | Empty, for development |
| 47 | Empty, for development |
