Battery and charging system
* Battery
* Starter
* Generator
* Voltage regulator
* Ignition wires and spark plugs
* Ignition coil
Lighting system
* Headlights
* Tail lights
* Direction indicators
* Brake lights
* Side lights
* Fog lights
Power supply system
* Fuses
* Relay
* Accessories (radio, air conditioning, power windows)
* Electronic control unit (ECU)
* Body Control Module (BCM)
Sensors and actuators
*Speed sensors
* Throttle Position Sensors
* Lambda probes
* Ignition coils
* Injectors
* Throttle Actuators
Other electrical components
* Speakers
* Electric motors
* Wires and connectors
* Instrumentation
* Door locks
* Windshield wipers
Diagnostic equipment
* Trouble code scanners
* Oscilloscopes
* Voltmeters
* Ammeters