Ford Focus mk1 (1999 – 2004) – fuse box diagram (EU version)
Year of production: 1999, 2000, 2001, 2002, 2003, 2004
Auxiliary fuse box (engine compartment)
| Fuse | Ampere rating [A] | Circuits protected |
| 1 | 40 | Main power supply to electrical system |
| 2 | — | Not used |
| 3 | 40 | Glow plug heater 2 |
| 4 | 50 | Heated front screen |
| 5 | 60 | Diesel glow plug |
| 6 | 30 | Engine cooling fan (air conditioning) |
| 7 | 40 | Main power supply to electrical system |
| 8 | 30 | Ignition |
| 9 | 20 | Engine management |
| 10 | 1 | Battery voltage sensor |
| 11 | 30 | ABS pump |
| 12 | 15 | Fuel pump, diesel injection pump |
| 13 | 30 | Headlight washer system |
| 14 | 10 | Daytime running lights (parking lights) |
| 15 | 10 | A/C clutch solenoid |
| 16 | 15 | Dipped beam left-hand side |
| 17 | 15 | Dipped beam right-hand side |
| 18 | 10 | H02S sensor transmitter (catalytic converter) |
| 19 | — | Not used |
| 20 | 10 | Engine management |
| 21 | 20 | ABS valves |
| 22 | 20 | Daytime running lights (Xenon headlights only) |
| 23 | 20 | Auxiliary heater (diesel engine), power supply for battery backup sounder (ST170 only) |
| 24 | 20 | Glow plug heater 1, subwoofer (ST170 only) |
| 25 | 15 | Daytime running lights (conventional headlights only) |
| 26 | 10 | Main beam left-hand side |
| 27 | 10 | Main beam right-hand side |
| 28 | 10 | Heated front screen, diesel fuel fired heater, diesel engine |
| 29 | 30 | Engine cooling fan (air conditioning) |
| 64 | 30 | Heater blower motor |
| 65 | 30 | Engine cooling fan |
Central fuse box (passeneger compartment)
| Fuse | Ampere rating [A] | Circuits protected |
| 30 | 10 | Light switch |
| 31 | 15 | Radio |
| 32 | 15 | Direction indicator (GEM) |
| 33 | 20 | Horn, power seat |
| 34 | 20 | Power sunroof |
| 35 | 7,5 | Interior lights, power mirrors |
| 36 | 7,5 | Electronic modules, instrument cluster |
| 37 | 25 | Power windows, central global closing (left-hand side) |
| 38 | 25 | Power windows, central global closing (right-hand side) |
| 39 | — | Not used |
| 40 | 10 | Reversing light |
| 41 | 7,5 | Radio (accessory) |
| 42 | 15 | Brake lights |
| 43 | 15 | Power windows, rear screen wiper |
| 44 | 20 | Front and rear fog lights |
| 45 | 7,5 | Air conditioning, recirculated air |
| 46 | 7,5 | ABS module |
| 47 | 15 | Cigar lighter, centre power point |
| 48 | 10 | Data link connector |
| 49 | 25 | Heated rear screen |
| 50 | 7,5 | Heated mirrors |
| 51 | — | Not used |
| 52 | 15 | Heated front seats |
| 53 | 10 | Reversing light, heated washer jets |
| 54 | — | Not used |
| 55 | 25 | Front power windows |
| 56 | 20 | Front screen wiper |
| 57 | 7,5 | Side lights right-hand side |
| 58 | 7,5 | Side lights left-hand side |
| 59 | 10 | Light switch |
| 60 | 7,5 | Air bag module |
| 61 | 7,5 | Electronic modules, instrument cluster |
| 62 | 7,5 | Number plate lights |
| 63 | 20 | Central locking (on the rear side of the fuse box) |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.