Wiring Diagram Cluster
2003 Ford Focus Headlight Wiring Diagram
Find headlight circuit schematics, high/low beam relay paths, DRL wiring, and ground points for lighting diagnosis.
Matched Diagrams
48
Variant Used
Focus L4-2.0L DOHC VIN 3
Total Vehicle Diagrams
1364
From Diagram To Fix
Use this wiring page as the jump point, not the dead end
Open the exact diagram, then move directly into the vehicle hub, the repair most likely tied to this system, or the code cluster that usually shows up with it.
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Vehicle Repair Hub
Step out of raw diagrams and into the full 2003 Ford Focus hub with repairs, specs, codes, and other systems already tied to this car.
View vehicle repair hub →Likely fix path
Exact Repair Guides
These repair flows most often intersect with headlight diagnosis on this exact vehicle.
Headlight Bulb Replacement →Diagnostic signal
Codes Often Seen With This System
Use the code cluster when wiring faults overlap with check-engine or module-level diagnostics.
P0563: System Voltage High →Top Headlight Diagram Paths
1.Connector Views > Headlamp > High Beam RelayGeneralOpen2.Connector Views > Headlamp > Low Beam RelayGeneralOpen3.Electrical Diagrams > Lighting and Horns > Daytime Running LampGeneralOpen4.Electrical Diagrams > Lighting and Horns > HeadlampGeneralOpen5.Daytime Running Lamp — Diagnostic AidsLighting and HornsOpen6.Daytime Running Lamp — Diagram Information and Instructions > How To Find Wiring DiagramsLighting and HornsOpen7.Daytime Running Lamp — Diagram Information and Instructions > How To Navigate Between Wiring DiagramsLighting and HornsOpen8.Daytime Running Lamp — Diagram Information and Instructions > Introduction To Ford DiagramsLighting and HornsOpen9.Daytime Running Lamp — Diagram Information and Instructions > Location Key For Connectors, Grounds, and SplicesLighting and HornsOpen10.Daytime Running Lamp — Diagram Information and Instructions > Symbols and Wire Color Code IdentificationLighting and HornsOpen11.Daytime Running Lamp — Diagram Information and Instructions > Systems OverviewLighting and HornsOpen12.Daytime Running Lamp — Electrical DiagramsLighting and HornsOpen13.Headlamp — Connector Views > High Intensity Discharge Headlamp > LH SideLighting and HornsOpen14.Headlamp — Connector Views > High Intensity Discharge Headlamp > RH SideLighting and HornsOpen15.Headlamp — Connector Views > LeftLighting and HornsOpen16.Headlamp — Connector Views > RightLighting and HornsOpen17.Headlamp — Diagnostic AidsLighting and HornsOpen18.Headlamp — Diagram Information and Instructions > How To Find Wiring DiagramsLighting and HornsOpen19.Headlamp — Diagram Information and Instructions > How To Navigate Between Wiring DiagramsLighting and HornsOpen20.Headlamp — Diagram Information and Instructions > Introduction To Ford DiagramsLighting and HornsOpen21.Headlamp — Diagram Information and Instructions > Location Key For Connectors, Grounds, and SplicesLighting and HornsOpen22.Headlamp — Diagram Information and Instructions > Symbols and Wire Color Code IdentificationLighting and HornsOpen23.Headlamp — Diagram Information and Instructions > Systems OverviewLighting and HornsOpen24.Headlamp — Electrical DiagramsLighting and HornsOpen25.Connector Views > Battery Discharge Protection Relay, LightingGeneralOpen26.Connector Views > Daytime Running Lamp RelayGeneralOpen27.Connector Views > Headlamp > Headlamp Dimmer SwitchGeneralOpen28.Connector Views > Headlamp > Headlamp Switch > Light SwitchGeneralOpen29.Connector Views > Headlamp > Headlamp Switch > Multifunction SwitchGeneralOpen30.Connector Views > Headlamp > System Diagram > High Intensity Discharge Headlamp > LH SideGeneralOpen31.Connector Views > Headlamp > System Diagram > High Intensity Discharge Headlamp > RH SideGeneralOpen32.Connector Views > Headlamp > System Diagram > LeftGeneralOpen33.Connector Views > Headlamp > System Diagram > RightGeneralOpen34.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen35.Electrical Diagrams > Lighting and Horns > Brake LampGeneralOpen36.Electrical Diagrams > Lighting and Horns > Courtesy LampGeneralOpen37.Electrical Diagrams > Lighting and Horns > Fog/Driving LampGeneralOpen38.Electrical Diagrams > Lighting and Horns > Hazard Warning LampsGeneralOpen39.Electrical Diagrams > Lighting and Horns > HornGeneralOpen40.Electrical Diagrams > Lighting and Horns > License Plate LampGeneralOpen41.Electrical Diagrams > Lighting and Horns > Marker LampGeneralOpen42.Electrical Diagrams > Lighting and Horns > Parking LampGeneralOpen43.Electrical Diagrams > Lighting and Horns > System DiagramGeneralOpen44.Electrical Diagrams > Lighting and Horns > Tail LampGeneralOpen45.Electrical Diagrams > Lighting and Horns > Turn SignalsGeneralOpen46.Backup Lamp — Connector Views > LeftLighting and HornsOpen47.Backup Lamp — Connector Views > RightLighting and HornsOpen48.Backup Lamp — Diagnostic AidsLighting and HornsOpen
Exact Vehicle Hub
Browse →OEM Manual Evidence
Browse →2003 Ford Focus A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 2003 Ford Crown Victoria V8-4.6L CNG SOHC VIN 9 Service Manual | Operation CHARM Operation CHARM :...
2003 Ford Focus A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 2003 Ford Crown Victoria V8-4.6L VIN W Service Manual | Operation CHARM Operation CHARM : Car repa...
2003 Ford Focus A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 2003 Ford Thunderbird V8-3.9L VIN A Service Manual | Operation CHARM Operation CHARM : Car repair...
Repairs That Intersect This Wiring
Browse →Likely Trouble Codes for This System
Browse →More Focus Wiring Pages
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Same System, Other Vehicles
2005 Ford Crown Victoria Headlight Wiring Diagram2005 Ford Five Hundred Headlight Wiring Diagram2005 Ford Focus Headlight Wiring Diagram2005 Ford Mustang Headlight Wiring Diagram2005 Ford Taurus Headlight Wiring Diagram2005 Ford Thunderbird Headlight Wiring Diagram2002 Ford Escort Headlight Wiring Diagram2011 Ford Fiesta Headlight Wiring Diagram