Fuse Box Location & Diagrams User Guide: Ford Mustang (1998

Table of Contents

Fuse Box Location & Diagrams User Guide: Ford Mustang (1998 – 2004)

The Ford Mustang (1998–2004) combines classic muscle with a reliable electrical layout. Knowing the exact fuse box locations and fuse functions can save time when electrical issues arise. This user guide offers clear diagrams and detailed fuse box locations to help you quickly identify blown fuses, restore functionality, and keep your Mustang running smoothly.

Fuse Box Locations

Passenger compartment fuse panel
The fuse panel is located below and to the left of the steering wheel by the brake pedal. Remove the panel cover to access the fuses.
To remove a fuse use the fuse puller tool provided on the fuse panel cover.

Engine Compartment Fuse Box
The power distribution box is located in the engine compartment. The power distribution box contains high-current fuses that protect your vehicle’s main electrical systems from overloads.

Passenger Compartment Fuse Box Diagram

Ford Mustang (1998 to 2004)

The fuses are coded as follows:

Fuse/Relay Location	Fuse Amp Rating	Description
1	20A	Cigar Lighter
2	20A	Engine Controls
3	—	Not Used
4	10A	RH Low Beam Headlamp
5	15A	Instrument Cluster, Traction Control Switch
6	20A	Starter Motor Relay
7	15A	GEM, Interior Lamps
8	20A	Engine Controls
9	— / 30A	Not Used (1998–2001); Mach 460 Subwoofers (2002–2004)
10	10A	LH Low Beam Headlamp
11	15A	Back-up Lamps
12	— / 2A	Not Used (1998–2002); Heated PCV (2003–2004)
13	15A	Electronic Flasher
14	—	Not Used
15	15A	Power Lumbar
16	—	Not Used
17	15A	Speed Control Servo, Shift Lock Actuator
18	15A	Electronic Flasher
19	15A	Power Mirror Switch, GEM, Anti-Theft Relay, Power Door Locks, Door Ajar Switches
20	15A	Convertible Top Switch
21	5A	Instrument Cluster and Engine Control Memory
22	—	Not Used
23	15A	A/C Clutch, Defogger Switch
24	30A	Climate Control Blower Motor
25	25A	Luggage Compartment Lid Release
26	30A	Wiper/Washer Motor, Wiper Relays
27	25A	Radio
28	15A	GEM, Overdrive Cancel Switch
29	15A	ABS Module
30	15A	DRL Module
31	10A	Data Link Connector
32	15A	Radio, CD Player, GEM
33	15A	Stop Lamp Switch, Speed Control Deactivation Switch
34	20A	Instrument Cluster, CCRM, Data Link Connector, Securilock Transceiver Module
35	15A	Shift Lock Actuator, PCM, Speed Control Servo, ABS Module
36	15A	Airbag Control Module
37	10A	Adjustable Illumination
38	20A	Highbeams
39	5A	GEM
40	—	Not Used
41	15A	Brake Lamp
42	—	Not Used
43	20A CB	Power Windows
44	—	Not Used

Engine Compartment Fuse Box Diagram

Ford Mustang (1998 to 2001)

The high-current fuses are coded as follows.

Fuse/Relay Location	Fuse Amp Rating	Description
Relay 1	—	Fog Lamp Interrupt
Relay 2	—	Intermittent Wiper
Relay 3	—	Wiper HI/LO
Relay 4	—	Starter
Relay 5	—	Fog Lamps
1	50A** (4.6L), 30A CB (3.8L)	Electric Cooling Fan Motor
2	30A**	Headlamps
3	40A**	Starter Motor Relay, Ignition Switch
4	40A**	Ignition Switch
5	40A**	Ignition Switch
6	40A**	Instrument Cluster, PCM
7	30A**	Secondary Air Injection (3.8L only)
8	50A**	ABS Module
9	20A**	Auxiliary Power Point
10	30A**	Parklamps
11	30A**	Rear Window Defrost Control
12	40A**	Power Windows, Power Locks
13	—	Not Used
14	20A*	Fuel Pump
15	10A*	Radio (1998–2000); Not Used (2001)
16	20A*	Horn
17	20A*	Anti-Lock Brake System
18	25A*	Power Seats
19	—	Not Used
20	20A*	Generator
21	—	Not Used
22	—	Not Used
23	—	Not Used
24	20A*	A/C Pressure (3.8L only)
25	—	Not Used
26	30A**	PCM
27	20A**	DRL Module, Foglamp Relay
28	25A CB	Convertible Top

* Mini Fuse
** Maxi Fuse
CB = Circuit Breaker

Ford Mustang (2002, 2003 and 2004)