Ford·Mustang·2018 Ford Mustang·Fuse box
Fuse box diagram

2018 Ford Mustang — fuse box

Fuses 133Varies by build 2

Fuse box

Fuse block96 cavities

1

Not used.

2

Not used.

330A

Electronic Fan 1.

30A 1

440A

Electronic Fan 3.

40A 1

550A

Automatic brake system pump.

50A 1

650A

Body control module.

50A 1

760A

Body control module.

60A 1

850A

Body control module.

50A 1

940A

Rear window defroster.

40A 1

1040A

Blower motor.

40A 1

1130A

Left-hand front window.

30A 2

1230A

Driver seat.

30A 2

1330A

Passenger seat.

30A 2

1430A

Climate-controlled seat module.

30A 2

1520A

Convertible top motor.

20A 2

16

Not used.

1720A

Convertible top motor.

20A 2

18

Not used.

1920A

Steering column lock relay.

20A 3

2010A

Brake on-off switch.

10A 3

2120A

Horn.

20A 3

2210A

Powertrain control module relay.

10A 3

2310A

Air conditioning clutch.

10A 3

2430A

Voltage quality module.

30A 2

25

Not used.

2625A

Windshield wiper motor.

25A 2

27

Not used.

2830A

Automatic brake system valve.

30A 2

29

Not used.

3030A

Starter motor solenoid.

30A 2

31

Not used.

3210A

Latch relay coil.

10A 3

3315A

Run/Start (except GT350).

15A 3

20A 3

Left-hand high-intensity discharge head-lamps (GT350 only).

Rating varies by build — check the qualifier above against your vehicle before replacing.

3415A

Exhaust valves.

15A 3

3520A

Right-hand high-intensity discharge head-lamps (GT350 only).

20A 3

3610A

Alt sense.

10A 3

37

Not used.

3820A

Vehicle power 1.

20A 3

39

Not used.

4020A

Vehicle power 2.

20A 3

4115A

Fuel injectors (except 2.3L).

15A 3

4215A

Vehicle power 3.

15A 3

43

Not used.

4415A

Vehicle power 4.

15A 3

30A 3

Ignition coils (GT350 only).

Rating varies by build — check the qualifier above against your vehicle before replacing.

45

Not used.

4620A

Differential pump (Shelby).

20A 2

47

Not used.

4830A

Fuel pump #2 (Shelby).

30A 2

4930A

Fuel pump.

30A 2

50

Steering column lock relay.

51

Not used.

52

Horn relay.

5320A

Cigar lighter.

20A 2

5420A

Auxiliary power point.

20A 2

5525A

Electronic fan 2.

25A 2

56

Not used.

57

Air conditioning clutch relay.

58

Not used.

59

Exhaust valves relay.

605A

Powertrain control module.

5A 3

61

Not used.

625A

Anti-lock brakes run-start switch.

5A 3

63

Not used.

645A

Electronic power assist steering.

5A 3

65

Not used.

665A

Blind spot information system. Rear view camera. Air conditioning compressor relay coils. Vehicle dynamics module.

5A 3

67

Not used.

6810A

Headlamp leveling switch.

10A 3

69

Auxiliary power point relay.

7010A

Heated exterior mirrors.

10A 3

71

Not used.

725A

Rain sensor module.

5A 3

73

Not used.

745A

Mass air flow sensor (except 2.3L).

5A 3

75

Not used.

76

Rear window defroster relay.

77

Electronic cooling fan 2 relay.

78

Run/Start relay.

79

Not used.

80

Windshield wiper relay.

81

Starter motor solenoid relay.

82

Powertrain control module relay.

83

Not used.

84

Not used.

85

Not used.

86

Not used.

87

Not used.

88

Not used.

89

Electronic fan 1 relay.

90

Differential pump relay.

91

Electronic fan 3 relay.

92

Blower motor relay.

93

Fuel pump #2 relay.

94

Fuel pump relay.

Fuse block37 cavities

1

Not used.

27A

Power mirror memory module (driver side mirror). Memory seat module.

7.5A

320A

Driver console unlock.

20A

4

Not used.

520A

Subwoofer amplifier.

20A

6

Not used.

7

Not used.

8

Not used.

9

Not used.

105A

Telematics.

5A

11

Not used.

127A

Climate control module.

7.5A

137A

Gateway module. Steering column control module. Instrument cluster.

7.5A

1410A

Electronic power module.

10A

1510A

Gateway module.

10A

1615A

Decklid release.

15A

175A

Battery backed sounder.

5A

185A

Intrusion sensor module.

5A

197A

Electronic power module.

7.5A

207A

Headlamp control module.

7.5A

215A

In-vehicle temperature and humidity sensor. Front camera.

5A

225A

Not used (spare).

5A

2310A

Switches. Power windows. Rear-view mirror.

10A

2420A

Central lock/unlock.

20A

2530A

Vehicle dynamics module.

30A

2630A

Right-hand front-window motor (power distribution module).

30A

2730A

Amplifier.

30A

2820A

Auxiliary body module.

20A

2930A

Left-hand rear-window power.

30A

3030A

Right-hand rear-window power.

30A

31

Not used.

3210A

Remote keyless entry. Multi-function display. SYNC. Global positioning system module. Gauges.

10A

3320A

Audio head unit.

20A

3430A

Run-start bus.

30A

355A

Not used (spare).

5A

3615A

Auxiliary body module.

15A

3720A

Heated steering wheel module.

20A