Volvo FH – fuse and relay box

Diagrams of fuse boxes and relays – Volvo FH

Main fuses

The main fuses are located in the main fuse box inside the battery box on the chassis.

Fuse Amperes [A] Description
1 125 Heating up
2 200 Hydraulic lift / Body
3 125 Taxi
4 40 Secondary lighting supply

Fuse and relay box

The fuses in the electrical distribution unit are knife type fuses, two different types are used.

Volvo FH - fuse and relay box

Number Description Amperes [A]
F1 TPM 10
F2 Lighting, cargo space 10
F3 Charging lamp;

Saddle lighting.

10
F4 Electrically adjustable seat;

Cab tilting pump;

Lighting for loading and saddles.

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 transmission) 5
F10 NOx sensor;

Toll.

5
F11 Gear lever of the control unit 5
F12 Control unit gearbox / retarder 10
F13 Wipers 15
F14 Cigarette 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 horn solenoid valve.

10
F19 Climatic unit;

FMS gateway.

5
F20 Central lock;

Auxiliary heating.

10
F21 Fan;

Air conditioner.

15
F22 Courtesy light 10
F23 Pneumatic suspension 5
F24 Dehumidifier;

ADR parking heater;

Electrically heated rear view mirrors.

10
F25 Power supply;

ABS / EBS trailer.

20
F26 Body fuse box 30
F27 Electric window on the left side;

Electrically heated rear view mirrors.

20
F28 ABS / EBS 20
F29 Coffee machine 30
F30 Power windows on the right 20
F31 Main fuse for fuses 95–97 20
F32 Climate unit 20
F33 Electric cab tilting 30
F34 Amplifier 30
F35 Electrically adjustable seat 20
F36 Reverse lamp circuit, trailer 15
F37 Telephone;

Dynafleet.

5
F38 Input lamps 5
F39 Electrically adjustable rear view mirrors 5
F40 Engine control unit 15
F41 Solenoid valves on the engine;

Electric fuel pump.

10
F42 Relay motor preheating;

Electrically controlled cooling fan.

5
F43 Bodybuilder control unit BBM 5
F44 Voltage converter for radio socket / 12 V 15
F45 Voltage converter for 12 V socket 15
F46 Rotating beacon 15
F47 ACC 5
F48 ABS / EBS, EBS switch 5
F49 Air suspension / A-ride 3
F50 Telephone 5
F51 Hydraulically steered axle 5
F52 Air intake heating;

Radio position of the overload relay.

10
F53 Illuminated sign on the roof 10
F54 Dynafleet, FMS gateway 10
F55 Airbag;

Seat belt pretensioner.

5
F56 Free 5
F57 Shift Lever / Control Unit Retarder 3
F58 D + short circuit relay, only ADR 5
F59 Rear view camera, Dynafleet 5
F60 Hydraulically steered axle 5
F61 Theft alarm;

Volvo (SAM) link ;

Folding rearview mirror arm, Japan.

5
F62 Free 15
F63 Alcohol system 10
F64 Payment system 10
F65 Central lubrication system 10
F66 Sunroof 10
F67 Bunk lamps;

Reading lamps.

10
F68 Refrigerator 10
F69 12V output 10
F70 ABS / EBS, trailer (cl. 15) 5
F71 Optional accessories 10
F72 Level adjustment system, headlights 5
F73 Hydraulically steered axle 5
F74 Headlight washer (high pressure) 15
F75 Electrically heated seats 15
F76 Short-circuit relay ADR D +;

Fan instrument panel.

5
F77 24 V power socket on the instrument panel 10
F78 24V power socket, next to the bun 10
F79 12V for TV 10
F95 Central lock 10
F96 Burglar alarm 5
F97 Auxiliary heating 15
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LCM fuses

Number Description Amperes [A]
1 Trailer turn signal lamps, brake lamps and dipped beam, right-hand side, reversing lamps, parking lamps rear 25
2 Left side headlight high beam, fog lights, warning light, warning signal 25
3 Trailer brake lights and rear turn signals, left side, right side high beam 25
4 Trailer parking lamps and rear turn signals, right side, left side brake lamp 25
5 Trailer reversing lamps, right-hand front parking lamps, trailer dipped beam and turn signals, left-hand side 25
6 Trailer parking lamps and parking lamps front left, direction indicators front 25
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Fuses in the battery compartment

Number Description Amperes [A]
1 Tachograph 5
2 Main fuses F95 – F97 20
3 AdBlue system 20

For superstructure

56 X. Fuses for superstructures

Number Description Amperes [A]
1 Grade 30, B + 15
2 Grade 30, B + 15
3 Class 15, driving position 15
4 Class 15, driving position 15
5 Kl. 61, alternator 10
6 Free 10
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56 P. Built-in fuses (options)

Number Description Amperes [A]
1 Grade 30, B + 15
2 Grade 30, B + 15
3 Grade 30, B + 15
4 Grade 30, B + 15
5 Free 10
6 Free 10

Bodywork relays in front of passenger seat

Number Description
37 Parking lights
38 Pressure selection, tipper trailer
39 Free
40 Free
41 Free
42 Headlights
43 External engine start
44 Reversing light
45 Brake actuation (reverse lock)
46 Free
47 Free

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