2003 Ford Focus History
The Ford Focus is a compact car (C-segment in Europe) manufactured by Ford Motor Company since 1998. Ford of Europe introduced the Ford Focus Mk 1 in 1998 to the European market as a three-door hatchback, four-door sedan, and five-door wagon.
Ford of North America began marketing the Focus in September 1999 for the 2000 model year, with some changes from the European version. But no remarkable changes to the Fuse Box design and location.
Where are the Fuse Boxes located in 2003 Ford Focus ?
In the 2003 Ford Focus, there are two fuse boxes: one located under the dash and the other under the hood, providing easy access for maintenance and troubleshooting.
The Central Fuse Box in the 2003 Ford Focus is positioned in the dashboard, on the driver’s side, behind the glove box or protective cover.
The Auxiliary Fuse Box is situated on the rear left side of the engine compartment, next to the pillar.
Learn more about the Fuse Box Diagram of Ford Focus for other year models.
2003 Ford Focus Under Dash Fuse Box and Relay Location
In 2003 Ford Focus the one fuse box located in the passenger compartment. The passenger compartment fuse is located on the right side of the steering wheel below the dashboard.
2003 Ford Focus Under Hood Fuse and Relay box location
The Auxiliary Fuse Box is located on the left-hand side of the engine compartment.
2003 Ford Focus Fuse Box Layout
2003 Ford Focus Under Dash Fuse and relay Box Diagram
2003 Ford Focus Under Dash Fuse and relay Box Details
| Fuse No. | Amps(A) | Protected Circuit |
| 30 | 10 | Outdoor light switch 7.5 ABS module |
| 31 | 15 | Radio tape recorder |
| 32 | 15 | Direction indicators, Light switch |
| 33 | 20 | Horn, electric front seat adjustment, sunroof, Alarm system |
| 34 | 20 | Hatch, Horn |
| 35 | 7.5 | Interior lighting lamps, electric drive of external rear-view mirrors |
| 36 | 7.5 | Electronic control units, instrument cluster, air conditioning control unit, |
| 37 | 25 | Power windows for doors on the left side |
| 38 | 25 | Power windows for doors on the right side |
| 39 | 15 | Seat adjustment 10A Reverse light, automatic drive |
| 40 | 10 | Reversing light, 25A Window regulator, central locking |
| 41 | 7.5 | Radio tape recorder (additional) |
| 42 | 15 | Rear lights (brake light lamps) |
| 43 | 15 | Electric windows, tailgate glass cleaner |
| 44 | 20 | Fog lights and lamps |
| 45 | 7.5 | Air conditioning system, air recirculation |
| 46 | 7.5 | ABS, control unit Cigarette lighter |
| 47 | 15 | Cigarette lighter, Parking light (left) |
| 48 | 10 | Connecting block of the diagnostic connector, Parking light (right) |
| 49 | 25 | Heated rear window / tailgate glass |
| 50 | 7.5 | Heated outside rear-view mirrors, radio, dashboard, central timer |
| 51 | 7.5 | Heated mirrors |
| 52 | 15 | Heated front seats |
| 53 | 10 | Reversing light, heated washer nozzles |
| 54 | 15 | Brake lights |
| 55 | 25 | Power windows for front doors 20A Windshield wipers |
| 56 | 20 | Windshield wiper 25A Power side windows |
| 57 | 7.5 | Side light bulbs (right side) |
| 58 | 7.5 | Side light lamps (left side) or air conditioning, passenger compartment fan |
| 59 | 10 | Outdoor lighting switch, electronic module, dashboard |
| 60 | 7.5 | Airbag control unit |
| 61 | 7.5 | Electronic blocks, instrument cluster |
| 62 | 7.5 | License plate lights, Heated front seats |
| 63 | 20 | Central locking |
2003 Ford Focus Under Hood Fuse and relay Box Diagram
2003 Ford Focus Under Hood Fuse and relay Box Details
| Fuse No | Amps (A) | Protected Circuit | Problems, if malfunction |
| 1 | 40 | Main circuit of onboard power supply | |
| 2 | 30 | Cooling fan (air conditioner) | |
| 3 | 30 | Cooling Fan (2.0L) | |
| 4 | 50 | Heated windshield | |
| 5 | 60 | Diesel Glow Plug | |
| 6 | 30/50 | Radiator fan (air conditioner) | |
| 7 | 40 | Main supply of electricity to the electrical system of the vehicle | |
| 8 | 30 | Ignition lock, starter | |
| 9 | 20 | Engine control unit | |
| 10 | 10 | Battery charge monitoring, diagnostic socket | |
| 11 | 30 | ABS | |
| 12 | 15 | Fuel pump, high pressure pump (diesel) | |
| 13 | 30 | Headlamp wiper (washer) | |
| 14 | 10 | Daytime running lights | |
| 15 | 10 | A / C compressor clutch | |
| 16 | 10 | Low beam (left side) | |
| 17 | 10 | Low beam (right side) | |
| 18 | 10 | Power supply lambda probe, heated oxygen sensor | |
| 19 | 10 | Daytime running light (side lights) | |
| 20 | 10 | Engine management | |
| 21 | 20 | ABS | |
| 22 | 15 | Daylight (low beam) | |
| 23 | 20 | Auxiliary heater, backup power for the anti-theft system (ST170) | |
| 24 | 30 | Glow plugs, subwoofer (ST170) | |
| 25 | 15 | Daytime running lights | |
| 26 | 10 | High beam (left) | |
| 27 | 10 | High beam (right) | |
| 28 | 10 | Heated windshield, heating power (diesel) | |
| 29 | 30 | Radiator fan (air conditioner) | |
| 64 | 30 | Heater motor | |
| D1 | – | Diode of the engine control unit | |
| D2 | – | Cooling fan diode | |
| D4 | – | Cooling system diode |
Relay
| Relay No | Circuit Protected |
| R1 | Starter |
| R2 | Rear Wiper |
| R3 | Front Wiper |
| R4 | Socket(Cigarette Lighter) |
| R5 | Reserve |
| R6 | Reserve |
| R7 | Sound Signal |
| R8 | Battery Saver Relay |
| R9 | Heated Rear Window(heated mirrors) |
WARNING: The terminal and harness assignments for individual connectors may vary depending on the vehicle’s equipment level, model, and market. It is recommended to refer to the fuse box diagram provided at the back of the fuse box cover for accurate information.
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