The 1998 Fiesta generation Mk4 has 2 different fuse boxes:
| Type | No. | Description | |
|---|---|---|---|
Fuse ATO 15A | 1 | Plug | |
Fuse ATO 7.5A | 2 | Interior lights, clock, radio station memory | |
Fuse ATO 10A | 3 | Rear fog light, anti-theft alarm indicator | |
Fuse ATO 20A | 4 | Heated rear window | |
Fuse ATO 15A | 5 | Horn, emergency lights | |
Fuse ATO 7.5A | 6 | Left side front position lights | |
Fuse ATO 7.5A | 7 | Right side front position lights | |
Fuse ATO 15A | 8 | Current for unmarked electronic module | |
Fuse ATO 25A | 9 | Battery signal for light switch | |
Fuse ATO 15A | 10 | Heated front seats | |
Fuse ATO 30A | 11 | Central locking, electric windows | |
Fuse ATO 20A | 12 | Wiper motor, washer pump | |
Fuse ATO 15A | 13 | Brake light, dashboard | |
Fuse ATO 10A | 14 | Airbag | |
Fuse ATO 7.5A | 15 | Heated mirrors | |
Fuse ATO 30A | 16 | Heater fan motor | |
Fuse ATO 15A | 17 | Indicators | |
Fuse ATO 15A | 18 | Engine compartment, unmarked electronic module | |
Fuse ATO 7.5A | 19 | Engine management, radio, auxiliary relay | |
Fuse ATO 20A | 20 | Light switch ignition signal | |
Fuse ATO 15A | 21 | Central locking, electrically controlled exterior mirror | |
Fuse ATO 10A | 22 | Diagnostic connector |
| Type | No. | Description | |
|---|---|---|---|
Fuse ATO 10A | 23 | Left high beam light | |
Fuse ATO 10A | 24 | Right high beam light | |
Fuse ATO 10A | 25 | Left low beam light | |
Fuse ATO 10A | 26 | Right low beam light | |
Fuse ATO 10A | 27 | Oxygen Sensor [gasoline] | |
Fuse ATO 15A | 27 | Fuel heater [diesel] | |
Fuse ATO 15A | 28 | Fuel pump, Radiator fan, A/C, Speed sensor, PCM engine module, Injectors, Canister, Anti-theft [1.25L ZETEC-SE engine, 1.3L Endura-DE], MAF air mass sensor [1.4L ZETEC-SE engine] | |
Fuse ATO 15A | 28 | PCM engine module, EGR, Diesel preheaters, Radiator fan, Air conditioning, Speed sensor [Diesel] | |
Fuse ATO 20A | 29 | Air conditioning, Front fog light, Dual pressure switch. | |
Fuse ATO 3A | 30 | ABS | |
Fuse ATO 30A | 31 | ABS | |
Fuse ATO 3A | 32 | PCM engine module | |
Fuse ATO 30A | 33 | ABS, Radiator fan [models without ABS, without A/C] | |
Fuse ATO 30A | 34 | PCM engine module | |
Fuse ATO 10A | 35 | Anti-theft system [1.8L diesel engine] | |
Fuse FLF/PAL 293 60A | 36 | Cooling system, Diesel preheaters | |
Fuse FLF/PAL 293 40A | 37 | Defogger | |
Fuse FLF/PAL 293 60A | 38 | Main relay | |
Fuse FLF/PAL 293 60A | 39 | Daytime running lights DTRL, Fuses No. 1, 2, 3, 4, 5, 21, 22 in the interior fuse panel | |
Fuse FLF/PAL 293 60A | 40 | Ignition lock, Fuses No. 42 and 50 in the interior fuse panel | |
Relay | I | Air conditioning (throttle wide open (WOT)) | |
Relay | II | Supply relay | |
Relay | III | Fuel heater [Diesel], Fuel pump [gasoline] | |
Relay | IV | Fog lights | |
Relay | V | Turn signal light | |
Relay | VI | Road light | |
Relay | VII | Air conditioning | |
Relay | VIII | Cooling fan, high speed | |
Relay | IX | Cooling fan | |
Relay | X | Glow plug system [Diesel] | |
Relay | XI | Immobilizer | |
Relay | XII | Additional relay |
Ford Fiesta fuse box diagrams change across years, pick the right year of your vehicle:
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