Locating and understanding your 1998 Ford Mustang's fuse box is essential for troubleshooting electrical issues. This guide covers both primary fuse box locations.
Underhood Fuse Box Diagram
The primary power distribution center is located in the engine compartment, near the battery.
- 10A (Red): PCM Memory
- 15A (Blue): Daytime Running Lamps (DRL)
- 15A (Blue): A/C Clutch
- 20A (Yellow): Power Point, Cigar Lighter
- 20A (Yellow): Anti-Lock Brakes (ABS)
- 30A (Green): ABS Pump Motor
- 40A (Green): Blower Motor
- 50A (Red): Ignition Switch
- 60A (Blue): Generator
Passenger Compartment Fuse Panel
The interior fuse panel is typically located below the dashboard, on the driver's side kick panel.

- 5A (Tan): Instrument Cluster, Warning Lamps
- 7.5A (Brown): Power Mirror Switch, Keyless Entry
- 10A (Red): Air Bag, Horn
- 10A (Red): Interior Lamp, Trunk Release
- 15A (Blue): Stop/Hazard Lamps
- 15A (Blue): Heated Mirror, Power Lock Switch
- 20A (Yellow): Radio, Power Antenna
- 20A (Yellow): Heated Seats
- 30A (Green): Windshield Wipers/Washer
Critical Safety Notes
Always replace a blown fuse with one of the identical amperage rating. Using a higher amperage fuse can cause severe wiring damage or fire.
Always disconnect the battery negative cable before inspecting or replacing fuses or relays.
Consult your vehicle's owner's manual or a factory service manual for the absolute definitive layout, as minor variations may exist.