The main stages of electrical repair on cars:
1. Diagnostics
* Using a trouble code scanner to identify error codes that indicate a malfunction.
* Checking fuses and relays.
* Visually inspect electrical components, wiring and connections for signs of damage.
2. Troubleshooting
* Replacement of faulty components such as sensors, switches or relays.
* Restoration or replacement of damaged wiring.
* Cleaning corrosion and restoring contacts.
3. Assembly and testing
* Assembly of components and wiring after repair.
* Checking the correct operation of electrical systems.
* Resetting fault codes and checking their absence.
Common types of electrical faults in a car:
* Battery and starter faults: dead battery, starter or alternator faults.
* Spark plug problems: worn or dirty spark plugs, faulty ignition coils.
*Lighting faults: faulty bulbs, blown fuses or faulty switches.
*Ignition system faults: faulty ignition switch, faulty ignition switch, or faulty ignition cables.
* Problems with fuel injection systems: faulty fuel injectors, clogged fuel filters, or faulty fuel and air sensors.
* Electrical body problems: faulty door locks, power windows that don’t work, or faulty fog lights.
Tips to prevent electrical problems:
* Regular maintenance, including checking the battery and electrical system.
* Protect electrical components from moisture and corrosion.
* Use of quality parts and accessories.
* Repair faults immediately after they are detected.
Warnings:
* Any work on the vehicle’s electrical system should be performed by a qualified mechanic.
* Follow safety rules such as disconnecting the battery before starting work.
* Using the correct tools and equipment.