Power supply system
* Battery
* Alternator
* Starter
* Engine Control Module (PCM)
*Power Distribution Module (PDIM)
Wiring
* Main wiring harness
* Engine compartment wiring harness
* Instrument panel wiring harness
* Rear door wiring harness
*Trunk lid wiring harness
Lighting
* Headlights
*Front turn signals
* Tail lights
*Brake lights
* Fog lights
* Reversing lights
*License plate light
* Interior lighting
*Trunk light
Starting system
* Ignition switch
* Ignition control unit
* Ignition coils
* Spark plugs
Charging system
* Alternator
* Voltage regulator
* Engine Control Module (PCM)
*Dashboard
Fuel injection system
* Engine Control Module (PCM)
* Fuel injectors
* Fuel pump
Engine management system
* Engine Control Module (PCM)
* Engine sensors
* Drives
Security system
* Security Management Module (SCM)
* Alarms
* Door lock
* Passive safety system
Other electrical components
* Radio receiver
*Navigation system
* Window lifters
*Power mirrors
*Alarm
* Central locking
* Air conditioner
* Electric power steering
Ford Focus 2 electrical circuit diagrams
Below are links to Ford Focus 2 electrical diagrams:
* [Electrical diagram Ford Focus 2 2005-2007](https://www.autogenius.info/ford-focus-2-2005-2007-wiring diagram/)
* [Electrical diagram Ford Focus 2 2008-2011](https://www.autogenius.info/ford-focus-2-2008-2011-wiring diagram/)
* [Electrical diagram of Ford Focus 2 restyling 2011-2014](https://www.autogenius.info/ford-focus-2-restyling-2011-2014-wiring diagram/)