Jonathan Yarden Oct 22, 2021 · 5 min. read
In this article you will find a description of fuses and relays Ford,
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: 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
Ford Fiesta MK3 – pre – 1992 models – fuse box
| Fuse | Rating [A] | Circuits protected |
| 1 | 3 | Electronic engine control system |
| 2 | 15 | Interior light, cigarette lighter, clock and radio memory |
| 3 | 20 | Central locking system |
| 4 | 30 | Heated rear window element |
| 5 | 10 | Dim-dip lighting |
| 6 | 10 | Left-hend side lights and rear fog lights |
| 7 | 10 | Right-hand side lights |
| 8 | 10 | Left-hand dipped beam |
| 9 | 10 | Right-hand dipped beam |
| 10 | 15 | Left-hand main beam and right-hand auxiliary driving light |
| 11 | 15 | Right-hand main beam and right-hand auxiliary driving light |
| 12 | 20 | Heater fan motor and reversing light |
| 13 | 30 | Radiator cooling fan motor |
| 14 | 15 | Front foglights (XR2i only) |
| 15 | 15 | Horn |
| 16 | 20 | Wiper motor and windscreen/tailgate washer pump |
| 17 | 10 | Brake stop lights, instrument illumination and instrument warning |
| 18 | 30 | Electrically operated windows |
| 19 | 20 | Electric fuel pomp |
| 20 | 10 | Oxygen sensor (vehicles with catalytic converter) |
| 21 | 10 | Left-hand direction indicators |
| 22 | 10 | Right-hand direction indicators |
| Additional fuses behind main fuse board | ||
| 23 | — | Unused |
| 24 | 10 | Rear fog lights |
| 25 | 10 | Rear fog lights |
| 26 | 15 | Tailgate remote release |
| 27 | 30 | Heated windscreen |
| 28 | 30 | Heated windscreen |
Relays (pre – 1992 models)
| No | Circuits controlled |
| I | Heated rear window |
| II | Windscreen wiper delay |
| III | CFI (fuel injection) delay relay |
| IV | Not used on UK model |
| V | Ignition switch |
| VI | Automatic transmission starter inhibitor/electric fuel pump (bridge fitted to carburettor engines without automatic transmission) |
| VII | Headlight main beam |
| VIII | Dim-dip lighting |
| IX | Not used on UK model |
| X | Not used on UK model |
| XI | Heated windscreen |
| XII | Ani-lock braking system |
| A | Idle speed control (automatic transmission) two-tone horn (where fitted) |
| B | Not used on UK model |
| C | Front foglights (XR2i) |
| D | Headlight dipped beam |
| E | Dim-dip lighting |
Ford Fiesta MK3 – 1992 models onward – fuse box
| Fuse | Rating [A] | Circuits protected |
| 1 | 3 | Electronic engine control system |
| 2 | 15 | Interior light, cigarette lighter, clock and radio memory |
| 3 | 20 | Central locking system |
| 4 | 30 | Heated rear window element |
| 5 | 10 | Dim-dip lighting |
| 6 | 10 | Left-hend side lights and rear fog lights |
| 7 | 10 | Right-hand side lights |
| 8 | 10 | Left-hand dipped beam |
| 9 | 10 | Right-hand dipped beam |
| 10 | 15 | Left-hand main beam and right-hand auxiliary driving light |
| 11 | 15 | Right-hand main beam and right-hand auxiliary driving light |
| 12 | 20 | Heater fan motor and reversing light |
| 13 | 30 | Radiator cooling fan motor |
| 14 | 15 | Front foglights (XR2i only) |
| 15 | 15 | Horn |
| 16 | 20 | Wiper motor and windscreen/tailgate washer pump |
| 17 | 10 | Brake stop lights, instrument illumination and instrument warning |
| 18 | 30 | Electrically operated windows |
| 19 | 20 | Electric fuel pomp |
| 20 | 10 | Oxygen sensor (vehicles with catalytic converter) |
| 21 | 10 | Left-hand direction indicators |
| 22 | 10 | Right-hand direction indicators |
| Additional fuses behind main fuse board | ||
| 23 | –* | Unused |
| 10** | Rear fog lights | |
| 24 | –* | Unused |
| 10** | Rear fog lights | |
| 25 | 15 | Tailgate remote release, anti-thef warning system |
| 26 | 30 | Heated windscreen |
| 27 | 30 | Heated windscreen |
| 28 | 20* | Full-length sunroof |
| 30** | Automatic tranmission starter inhibitor | |
| 29 | 10 | Air bag |
| * Pre-1994 models** 1994 models onward | ||
Relays 1992 models onward
| No | Circuits controlled |
| I | Heated rear window |
| II | Windscreen wiper delay |
| III | CFI (fuel injection) delay relay or EFI supply relay (fuel injection) |
| IV | Not used on UK model |
| V | Ignition switch |
| VI | Automatic transmission starter inhibitor, anti-thef warning system |
| VII | Headlight main beam |
| VIII | Anti-lock braking system and/or dim-dip lighting |
| IX | Not used on UK model |
| X | Not used on UK model |
| XI | Heated windscreen |
| XII | Ani-lock braking system |
| A | Idle speed control (automatic transmission) two-tone horn (where fitted) |
| B | Fuel pump |
| C | Front foglights (XR2i, RS Turbo an RS 1800) |
| D | Headlight dipped beam |
| E | Dim-dip lighting |
| F | Not used on UK models |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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