Ford·F 250 Super Duty·2018/ford/f-250-super-duty/2018/fuse-box-diagram/
Fuse box diagram

2018 Ford F-250 Super Duty

Every cavity with its rating and the circuit it protects.

Fuses 137Varies by build 0Boxes 2

Fuse block

Fuse block99 cavities

120A

Powertrain control module.

20A 1

220A

Emissions - malfunction indicator lamp.

20A 1

320A

Cooling fan. A/C compressor. Engine brake.

20A 1

420A

Noise suppression cap. Mass air flow sensor. Emissions. Glow plugs. Urea.

20A 1

515A

Compressed natural gas fuel control module. Fuel sensor.

15A 1

6

Not used.

7

Not used.

8

Not used.

9

Not used.

1015A

Heated exterior mirrors.

15A 1

11

Compressed natural gas relay.

1240A

Heated rear window.

40A 2

13

Not used.

14

Powertrain control module relay.

1520A

Horn.

20A 1

1610A

A/C clutch relay power.

10A 1

17

Rear heated window and heated mirrors relay.

18

Trailer park lamp relay.

19

Not used.

20

Supplemental air heater bank #1 relay.

21

Not used.

22

Not used.

23

Not used.

24

Cooling fan relay. Supplemental air heater bank #3 relay.

25

Glow plug module power relay.

26

Not used.

2730A

Trailer tow battery charge relay (if equipped).

30A 2

28

Not used.

29

Run-start relay.

3010A

4x4 module.

10A 1

315A

Adaptive cruise control. Run-start.

5A 1

325A

Anti-lock brake system module. Run-start.

5A 1

3310A

Powertrain control module - ignition status power run. Run-start. Engine control module. Transmission control module.

10A 1

3410A

Blind spot information system. Run-start. Front camera. Rear camera.

10A 1

35

Not used.

36

Blower motor relay.

37

Trailer tow battery charge relay (only on non-trailer brake controller vehicles).

38

A/C compressor clutch relay.

39

Horn relay.

40

Supplemental air heater bank #2 relay.

4125A

Glow plugs.

25A 2

4240A

Trailer tow lighting module (if equipped).

40A 2

4340A

Front blower motor.

40A 2

4450A

Voltage quality. Body control module power.

50A 3

4560A

Active front steering.

60A 3

4650A

Supplemental air heater bank #2.

50A 3

4750A

Cooling fan. Supplemental air heater bank #3.

50A 3

4850A

Body control module run power 1 bus.

50A 3

4960A

Inverter.

60A 3

5050A

Body control module run power 2 bus.

50A 3

5160A

Body control module B+ feed.

60A 3

5260A

Anti-lock brake system pump.

60A 3

5350A

Supplemental air heater bank #1.

50A 3

5430A

Trailer brake control module.

30A 3

5530A

Climate controlled seat module.

30A 3

5640A

Auxiliary lighting module.

40A 3

5730A

Power running boards.

30A 2

5830A

Compressed natural gas fuel control module relay.

30A 2

5930A

Anti-lock brake system valve.

30A 2

60

Not used.

6130A

Driver power seat.

30A 2

6220A

Auxiliary power point #1 (instrument panel).

20A 2

6330A

Starter motor.

30A 2

6420A

Auxiliary power point #2.

20A 2

6530A

Trailer tow lighting module (if equipped).

30A 2

6620A

Auxiliary power point #3 (center console).

20A 2

6730A

Passenger power seat.

30A 2

6820A

Auxiliary power point #4 (USB charger, rear center console).

20A 2

6925A

4x4 module.

25A 2

7020A

Auxiliary power point #5 (rear center console).

20A 2

71

Not used.

7230A

Trailer tow left hand/right hand stop/turn (if equipped, not present with trailer brake controller).

30A 2

73

Not used.

74

Not used.

7530A

Fuel pump.

30A 2

76

Not used.

7730A

Wiper motor.

30A 2

78

Not used.

7930A

Power sliding rear window.

30A 2

8025A

4x4 module.

25A 1

8110A

4x4 solenoid.

10A 1

8210A

Power telescoping mirrors.

10A 1

8320A

Rear heated seats.

20A 1

8410A

Trailer tow backup lamps (if equipped).

10A 1

85

Not used.

86

Not used.

87

Not used.

8810A

Multi contour seats.

10A 1

89

Not used.

9010A

Spot light module.

10A 1

9110A

Upfitter interface module.

10A 1

92

Not used.

93

Not used.

9415A

Transmission control module.

15A 1

9510A

Powertrain control module keep alive power.

10A 1

965A

Rain sensor.

5A 1

9710A

Run/Start control for Auxiliary power point #5

10A 1

9810A

Alternator sense.

10A 1

9930A

Trailer tow parking lamps.

30A 1

Fuse block38 cavities

1

Not used.

27A

Memory seat switch (lumbar power).

7.5A 4

320A

Driver door unlock relay.

20A 4

45A

Aftermarket electronic brake controller. Trailer brake controller Brake On/Off. Customer access circuits.

5A 4

5

Not used.

6

Not used.

7

Not used.

810A

Driver window switch mirror fold.

10A 5

910A

Brake On/Off / Pressure Switch.

10A 5

10

Not used.

115A

Combined sense security module.

5A 5

127A

Front climate control module.

7.5A 5

137A

Instrument cluster. Smart data link. Steering column control module.

7.5A 5

1410A

Extended power restraints module.

10A 5

1510A

Smart datalink connector power.

10A 5

1615A

Tailgate release solenoid.

15A 4

175A

Head-up display.

5A 5

185A

Push button ignition switch. Ignition switch. Key inhibit.

5A 5

197A

Transmission control switch (tow/haul). Select Shift switch.

7.5A 5

207A

Active front steering module.

7.5A 5

215A

Head-up display. Humidity sensor.

5A 5

225A

Upfitter switch. Run/Start. PTO relays.

5A 5

2310A

Accessory delay. Power windows. Moonroof. Power folding mirrors relay. Inverter. Window/moonroof switch illumination.

10A 4

2420A

Central locking system relay.

20A 4

2530A

Left-hand front smart window motor. Door zone module.

30A 4

2630A

Right-hand front smart window motor. Door zone module.

30A 4

2730A

Moonroof.

30A 4

2820A

Sony amplifier - 10 channel.

20A 4

29

Not used.

30

Not used.

3115A

Adjustable pedals switch.

15A 4

3210A

SYNC. GPS module. Display. Radio frequency receiver.

10A 4

3320A

Radio.

20A 4

3430A

Run-start relay.

30A 4

355A

Extended power restraints module.

5A 4

3615A

Lane keeping system. Automatic high beam control. Auto-dimming mirrors. Rear heated seats. Camera module.

15A 4

3720A

Heated steering wheel.

20A 4

3830A

Rear power window switch.

30A 6