Electrical engine components
* Starter
* Generator
* Spark plugs
* Engine control unit (ECU)
* Ignition coils
Electrical system
* Battery
* Electrical wiring
* Fuses and relays
* OBD-II connector
* Central Electronic Module (CEM)
Lighting
* Headlights
* Tail lights
* Fog lights
* Turn signals
* Side lights
Instruments and controls
* Speedometer
* Tachometer
* Fuel level and temperature sensors
* Window lifters
* Door locks
* Air conditioner
Audio system
* Radio receiver
* Amplifier
* Speakers
Security systems
*Alarm
* Immobilizer
* Airbag sensors
* Airbag control unit
Comfort features
*Heated seats
* Electric side mirrors
* Keyless entry and start
* Cruise control
Diagnostic equipment
* OBD-II scanner
* Multimeter
* Fuel pressure sensor
* Compression tester
Other components
* Electric motors for windshield wipers and headlight washers
* Cooling fan motor
* Fuel pump motor
* Camshaft Position Sensor (CPS)
* Crankshaft Position (CKP) Sensor