99-04 Mustang Fuse Locations and ID’s Chart Fuse Diagram

(Last Updated On: January 5, 2018)

99-04 Mustang Fuse Diagram Under Hood/Engine Bay
Fuse Identification & Locations

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These Mustang fuse diagram are for a 1999, 2000, 2001, 2002, 2003, and 2004 Ford Mustang under the hood in the engine bay, and inside the car. They show the fuse locations, sizes, and descriptions.

2000 v6 Mustang Under hood Fuses Diagram

Fuse Description Diagram
11999-2004 fuse box description under hood

Fuse Location, Ampere, and Description

Fuse/Relay Location

Ampere rating [A]

Description

Relay 1

Fog lamp interrupt

Relay 2

Interval wiper

Relay 3

Wiper HI/LO

Relay 4

Starter

Relay 5

Fog lamps

1

50** (4.6L)
30 CB (3.8L)
Electric cooling fan motor

2

30** Headlamps, Headlights

3

40** Starter motor relay, Ignition switch

4

40** Ignition switch

5

40** Ignition switch

6

40** Instrument cluster, Powertrain Control Module (PCM)

7

Not used

8

50** Anti-lock Brake System (ABS) module

9

20** Auxiliary power point

10

30** Park lamps, Hazzards, Turn Signal

11

30** Rear window defrost control

12

40** Power locks

13

30* MACH 1000 left amplifiers

14

20* Fuel pump

15

30* MACH 1000 right amplifiers

16

20* Horn

17

20* ABS, Anti-Lock Brakes

18

30* Power seat

19

10* Intercooler pump (Cobra only)

20

20* Alternator

21

Not used

22

Not used

23

Not used

24

20* A/C pressure

25

Not used

26

30** PCM

27

20** Daytime Running Lamps (DRL) module, Fog lamp relay

28

25 CB Convertible top circuit breaker

29

Not used
* Mini Fuses** Maxi Fuses

1999, 2000, 2001, 2002, 2003, 2004 v6 Mustang Under Dash Fuses Diagram2000 Mustang Fuse Diagram of under dash fuses

Under Dash Detailed Fuse Identification List
2000 Mustang Fuse Diagram under dash fuses

Fuse Location, Ampere, and Description

Fuse

Amp Rating

Description

1

20 Cigar lighter

2

20 Engine controls

3

Not used

4

10 Right-hand low beam headlamp

5

15 Instrument cluster, Traction control switch

6

20 Starter motor relay

7

15 GEM, Interior lamps

8

20 Engine controls

9

30 Mach 460 subwoofers

10

10 Left-hand low beam headlamp

11

15 Back-up lamps

12

2 Heated PCV

13

15 Electronic flasher

14

Not used

15

15 Power lumbar

16

Not used

17

15 Speed control servo, Shift lock actuator

18

15 Electronic flasher

19

15 Power mirror switch, GEM, Anti-theft relay, Power door locks, Door ajar switches

20

15 Convertible top switch

21

5 Instrument cluster and engine control memory

22

Not used

23

15 A/C clutch, Defogger switch

24

30 Climate control blower motor

25

25 Luggage compartment lid release

26

30 Wiper/Washer motor, Wiper relays

27

20 Radio

28

15 GEM, Overdrive cancel switch

29

15 Anti-lock Brake System (ABS) module

30

15 Daytime Running Lamps (DRL) module

31

10 Data link connector

32

15 Radio, GEM

33

15 Stop lamp switch, Speed control deactivation switch

34

20 Instrument Cluster, CCRM, Data link connector, Securilock transceiver module

35

15 Shift lock actuator, Powertrain Control Module (PCM), Speed control servo, ABS module

36

15 Air bag control module

37

5 Adjustable illumination

38

20 High beams

39

5 GEM

40

Not used

41

15 Brake lamp

42

Not used

43

20 CB Power windows

44

Not used

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