Mazda MX-5 2003 Fuse Box Info
Passenger compartment fuse box location:
The fuse box is located at the left side of the steering column at the bottom of the instrument panel.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N°and Name | Rating | Functions |
| 01 AD FAN | 20A | Add fan motor, Magnet clutch |
| 02 HEAD.LH | 15A | Headlights (LH) |
| 03 HEAD.RH | 15A | Headlights (RH) |
| 04 | - | - |
| 05 ST.SIG | 7.5A | Instrument cluster, Cruise control |
| 06 | - | - |
| 07 CIGAR | 20A | Cigar lighter |
| 08 RADIO | 10A | Audio |
| 09 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, Antilock brake system |
| 15 WIPER | 20A | Windshield wipers and washer |
| 16 P.WIND | 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:
| Fuse/Relay N° and Name | Rating | Functions |
| 01 HEAD | 40A | Headlights, Rear defroster, Auto antenna |
| 02 FUEL INJ | 30A | Fuel injection |
| 03 MAIN | 100A | For protection of all circuits |
| 04 IG KEY | 60A | All ignition related circuits |
| 05 BLOWER | 30A | Blower motor |
| 06 FAN | 30A | Cooling fan, Additional fan (air conditioner) |
| 07 BTN 1 | 30A | Taillights, Dashboard illumination |
| 08 BTN 2 | 20A | Audio amp, Turn signal lights |
| 09 ABS | 20A | Antilock brake system |
| 10 STOP | 15A | Brake lights, Horn, Shift lock |
