Jonathan Yarden Feb 11, 2021 · 5 min. read
In this article you will find a description of fuses and relays Mazda,
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:
Engine compartment fuse box
| No. | Description | A | Circuits protected |
| 1 | HEATER | 40 | Heater |
| 2 | (ABS) | 60 | Antilock brake system, For protection of various circuits |
| 3 | IG KEY | 60 | For protection of various circuits |
| 4 | (PTC) | 30 | — |
| 5 | (GLOW) | 40 | — |
| 6 | — | — | — |
| 7 | COOLING FAN | 30 | Cooling fan |
| 8 | BTN | 40 | Interior lights, Power door lock |
| 9 | (AD FAN) | 30 | Additional cooling fan for air conditioner |
| 10 | INJ OR FIP | 30 | Engine control unit |
| 11 | (A/C) | 10 | Air conditioner |
| 12 | (ST.SIG) | 10 | Starter signal |
| 13 | HORN | 15 | Horn |
| 14 | HAZARD | 15 | Hazard warning flashers |
| 15 | TAIL | 15 | Taillights |
| 16 | (HEAD C/U) | 7.5 | For protection of various circuits |
| 17 | (FOG) | 15 | — |
| 18 | (FOG) | 15 | Fog lights |
| 19 | STOP | 15 | Brake lights |
| 20 | HEAD-R | 15 | Headlight-right |
| 21 | HEAD-L | 15 | Headlight-left |
| 22 | — | — | — |
| 23 | HEAD HI | 15 | — |
| 24 | MAIN | 100 | For protection of all circuits |
Passenger compartment fuse box
| No. | Description | A | Circuits protected |
| 1 | (S/WRM) | 15 | For protection of various circuits |
| 2 | (H/CLN) | 20 | For protection of various circuits |
| 3 | (RADIO) | 15 | Audio system |
| 4 | (A/C) | 15 | Air conditioner |
| 5 | (R.WIPER) | 10 | For protection of various circuits |
| 6 | — | — | — |
| 7 | — | — | — |
| 8 | ROOM | 10 | Interior lights, Trunk light, Luggage compartment light |
| 9 | (MIRR DEF) | 10 | – |
| 10 | — | — | — |
| 11 | (DOOR LOCK) | 30 | Power door lock |
| 12 | (P/WIND) | 30 | — |
| 13 | WIPER | 20 | Windshield wiper and washer |
| 14 | ENGINE | 10 | Engine control unit |
| 15 | METER | 10 | Instrument cluster |
| 16 | — | — | — |
| 17 | (P/WIND) | 30 | Power windows |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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