Mazda MX-5 Miata (2002 – 2005) Fuse Box Location & Diagrams
The Mazda MX-5 Miata (2002–2005) features accessible fuse boxes that protect essential electrical systems throughout the vehicle. Knowing the fuse box locations and understanding the fuse diagrams can make it easier to identify, inspect, and replace fuses when an electrical issue occurs.
Fuse Box Location
Passenger Compartment Fuse Box
The fuse box is located on the left of the steering wheel behind the cover.
Engine Compartment Fuse Box
Fuse Box Diagrams
Passenger Compartment Fuse Box
| № | DESCRIPTION | AMP RATING | PROTECTED COMPONENT |
|---|---|---|---|
| 1 | ADD FAN | 20A | Add fan motor, Magnet clutch |
| 2 | HEAD.LH | 15A | Headlights (LH) |
| 3 | HEAD.RH | 15A | Headlights (RH) |
| 4 | — | — | — |
| 5 | ST.SIG | 7.5A | Instrument cluster. Cruise control |
| 6 | — FAN (MAZDASPEED MX-5) | — 30A | — 2004 & 2005: Cooling fan. Additional fan (air conditioner) |
| 7 | CIGAR | 20A | Cigar lighter |
| 8 | RADIO | 10A | Audio |
| 9 | F.FOG | 15A | Fog lights |
| 10 | TAIL | 15A | Taillights, Front parking lights. Side-marker lights |
| 11 | ENGINE | 15A | Engine control system |
| 12 | METER | 15A | Instrument cluster |
| 13 | TURN | 7.5A | Turn signal lights |
| 14 | A/B | 10A | Supplemental restraint system. Anti lock brake system |
| 15 | WIPER | 20A | Windshield wipers and washer |
| 16 | PWIND | 30A | Power windows |
| 17 | A/C | 7.5A | Air conditioner |
| 18 | HAZARD | 10A | Turn signal lights |
| 19 | D.LOCK | 10A | Power door lock |
| 20 | AUDIO | 20A | Audio amp |
| 21 | DEFOG | 15A | Rear defroster |
| 22 | ROOM | 10A | Interior light, Auto antenna. Warning buzzers |
Engine Compartment Fuse Box
| № | DESCRIPTION | AMP RATING | PROTECTED COMPONENT |
|---|---|---|---|
| 1 | HEAD | 40A | Headlights, Rear defroster, Auto antenna |
| 2 | FUEL INJ | 30A | Fuel injection |
| 3 | MAIN | 100 A | For protection of all circuits |
| 4 | IG KEY | 60A | All ignition-related circuits |
| 5 | BLOWER | 30A | Blower motor |
| 6 | FAN | 30A (MX-5/Miata) | Cooling fan, Additional fan (air conditioner) |
| 6 | FAN | 40A (MAZDASPEED MX-5) | 2004 & 2005: Cooling fan, Additional fan (air conditioner) |
| 7 | BTN 1 | 30A | Taillights, Dashboard illumination |
| 8 | BTN 2 | 20A | Audio amp (Some models), Turn signal lights |
| 9 | ABS | 20A | Anti-lock brake system (Some models) |
| 10 | STOP | 15A | Brake lights, Horn, Shift lock |
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