Ford·Mustang·2020 Ford Mustang·Fuse box
Fuse box diagram

2020 Ford Mustang — fuse box

Fuses 159Varies by build 35

Fuse box

Fuse block115 cavities

160A

Electronic fan 1 (GT500).

60A 1

Not used (base, GT350).

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

2

Not used.

330A

Electronic fan 1 (base).

30A 1

Not used (GT350, GT500).

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

440A

Electronic fan 3 (base).

40A 1

Not used (GT350, GT500).

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

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 slave motor (base).

20A 2

Not used (GT350, GT500).

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

1615A

Charge air cooler pump (GT500).

15A 2

Not used (base, GT350).

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

1720A

Convertible top master motor (base).

20A 2

Not used (GT350, GT500).

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

18

Not used.

1920A

Steering column lock relay (base, GT350).

20A 3

10A 3

Transmission control unit (GT500).

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

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

2520A

Steering column lock relay (GT500).

20A 2

Not used (base, GT350).

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

2625A

Windshield wiper motor.

25A 2

27

Not used.

2830A

Automatic brake system valve.

30A 2

2930A

Electronic fan 1 (GT350).

30A 2

Not used (base, GT500).

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

3030A

Starter motor solenoid.

30A 2

3140A

Electronic fan 3 (GT350).

40A 2

Not used (base, GT500).

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

3210A

Latch relay coil.

10A 3

3315A

Run/start (base).

15A 3

20A 3

Left-hand high-intensity discharge head-lamps (GT350, GT500).

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, GT500).

20A 3

Not used (base).

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

3610A

Alternator sense.

10A 3

37

Not used.

3820A

Vehicle power 1.

20A 3

39

Not used.

4020A

Vehicle power 2.

20A 3

4115A

Fuel injectors.

15A 3

4215A

Vehicle power 3.

15A 3

43

Not used.

4415A

Vehicle power 4 (base).

15A 3

30A 3

Vehicle power 4 (GT350, GT500).

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

45

Not used.

4620A

Differential pump (GT350, GT500).

20A 2

Not used (base).

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

47

Not used.

4830A

Fuel pump #2 (GT350, GT500).

30A 2

Not used (base).

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

4930A

Fuel pump.

30A 2

50

Steering column lock relay (base, GT500).

Not used (GT350).

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

51

Not used.

52

Horn relay.

5320A

Cigar lighter.

20A 2

5420A

Auxiliary power point.

20A 2

5525A

Electronic fan 2 (base, GT350).

25A 2

Not used (GT500).

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

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. Rear window defroster relay coils. Vehicle dynamics module.

5A 3

67

Not used.

6810A

Headlamp leveling switch (base).

10A 3

10A 3

Signature lighting (GT350, GT500).

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

69

Cigar lighter relay. Auxiliary power point relay.

745A

Mass air flow sensor (base, GT350).

5A 3

Not used (GT500).

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

755A

Rain sensor module (base).

5A 3

Not used (GT350, GT500).

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

76

Rear window defroster relay.

77

Electronic cooling fan 2 relay (base, GT350).

Not used (GT500).

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

78

Run/start relay (base).

Not used (GT350, GT500).

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

79

Charge air cooler pump relay (GT500).

Not used (base, GT350).

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

80

Windshield wiper relay.

81

Starter motor solenoid relay.

82

Powertrain control module relay.

83

Cooling fan relay (GT500).

Not used (base, GT350).

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

8710A

Heated exterior mirrors.

10A 3

88

Not used.

89

Electronic fan 1 relay (base, GT350).

Not used (GT500).

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

90

Differential pump relay (GT350, GT500).

Not used (base).

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

91

Electronic fan 3 relay (base, GT350).

Not used (GT500).

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

92

Blower motor relay.

93

Fuel pump #2 relay (GT350, GT500).

Not used (base).

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

94

Fuel pump relay.

Fuse block44 cavities

1

Not used.

210A

Power windows. Electrochromic mirror. Power door locks.

10A

37A

Power mirrors (base). Memory seats (base).

7.5A

Not used (GT350, GT500).

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

420A

Not used (spare).

20A

5

Not used.

610A

Not used (spare).

10A

710A

Not used (spare).

10A

85A

Telematic control unit - modem.

5A

95A

Not used.

5A

10

Not used.

11

Not used.

127A

Electronic control panel. Gateway module. Gear shift module (GT500).

7.5A

137A

Steering column control module. Instrument cluster.

7.5A

1415A

Not used.

15A

1515A

SYNC. Gauges.

15A

16

Not used.

177A

Headlamp leveling switch (base).

7.5A

Not used (GT350, GT500).

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

187A

Not used.

7.5A

195A

Not used.

5A

205A

intrusion sensor module.

5A

215A

In-vehicle temperature and humidity sensor.

5A

225A

Auxiliary body module.

5A

2330A

Amplifier.

30A

2430A

Vehicle dynamics module.

30A

2520A

Ambient lighting module (base). Auxiliary body module.

20A

2630A

Right-hand front-window motor (power distribution module). Passenger door control unit.

30A

2730A

Left-hand rear-window power (base).

30A

Not used (GT350, GT500).

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

2830A

Right-hand rear-window power (base).

30A

Not used (GT350, GT500).

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

2915A

Gateway module (base). Not used (spare) (GT350, GT500).

15A

305A

Not used (spare)

5A

3110A

Remote keyless entry.

10A

3220A

Audio unit.

20A

33

Not used.

3430A

Run/start bus.

30A

355A

Power distribution box run/start relay (base).

5A

Not used (GT350, GT500).

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

3615A

Front camera (base).

15A

Not used (GT350, GT500).

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

3720A

Heated steering wheel module (base). Run/start powertrain control module (GT350).

20A

Not used (GT500).

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