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Ford Mustang (1999 - 2004) Fuse Box Diagram

avatar Jonathan Yarden Oct 06, 2021 · 5 min. read

In this article you will find a description of fuses and relays Ford, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 1999, 2000, 2001, 2002, 2003, 2004

Passenger Compartment Fuse Box

Ford Mustang - fuse box diagram - passenger compartment

Fuse Ampere Rating [A] Description
1 20 Cigar Lighter
2 20 Engine Controls
3 — —
4 10 RH 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 2002-2004: Mach 460 subwoofers
10 10 LH Low Beam Headlamp
11 15 Back-up Lamps
12 2 2003-2004: Heated PCV
13 15 Electronic Flasher
14 — —
15 15 Power Lumbar
16 — —
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 — —
23 15 A/C Clutch, Defogger Switch
24 30 Climate Control Blower Motor
25 25 Luggage Compartment Lid Release
26 30 WiperAVasher Motor, Wiper Relays
27 25 Radio
28 15 GEM, Overdrive Cancel Switch
29 15 ABS Module
30 15 Daytime Running Lamps (DRL) module
31 10 Data Link Connector
32 15 Radio, CD Player (1999-2001), GEM
33 15 Stop Lamp Switch, Speed Control Deactivation Switch
34 20 Instrument Cluster, CCRM, Data Link Connector, Securilock Transciever Module
35 15 Shift Lock Actuator, PCM, Speed Control Servo, ABS Module
36 15 Airbag Control Module
37 10 Adjustable Illumination
38 20 Highbeams
39 5 GEM
40 — —
41 15 Brake Lamp
42 — —
43 20 Circuit Breaker: Power Windows
44 — —

Engine Compartment Fuse Box

Ford Mustang - fuse box diagram - engine compartment

Number Ampere Rating [A] Description
1 50 V8: Electric Cooling Fan Motor
30 V6: Electric Cooling Fan Motor (Circuit Breaker)
2 30 Headlamps
3 40 Starter Motor Relay, Ignition Switch
4 40 Ignition Switch
5 40 Ignition Switch
6 40 I/P fuse panel, Instrument cluster, Powertrain Control Module (PCM)
7 30 1999-2002: Secondary Air Injection (3.8L only)
8 50 ABS Module
9 20 Auxiliary Power Point
10 30 Parklamps
11 30 Rear Window Defrost Control
12 40 Power Windows (1999-2002), Power Locks
13 30 2003-2004: MACH 1000 right amplifiers
14 20 Fuel Pump
15 10 1999-2002: Radio
30 2003-2004:MACH 1000 left amplifiers
16 20 Horn
17 20 Anti-Lock Brake System
18 25 Power Seats
19 10 2002-2004: Intercooler pump (Cobra only)
20 20 Generator
21 — —
22 — —
23 — —
24 20 A/C Pressure
25 — —
26 30 PCM
27 20 DRL Module, Foglamp Relay
28 25 Circuit Breaker:Convertible Top
Relay
R1 Fog Lamp Interrupt
R2 Int. Wiper
R3 Wiper HI/LO
R4 Starter
R5 Fog Lamps

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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