Tools and materials:
* Multimeter
* Phillips and flat head screwdrivers
* Keys (open-end and socket)
* Wire connector puller
* Insulation tape
* Wire stripper
* Terminal lubricant
* New replacement parts (eg fuses, relays)
Nexica car electrical repair manual
1. Diagnosis of the problem
* Identify the symptoms of the malfunction.
* Check fuses and relays for burnt out.
* Check the wiring connectors for damage or corrosion.
*Check that there is power to the relevant components.
2. Troubleshooting
* Replace faulty fuses or relays.
* Clean or replace damaged wiring connectors.
* Check the wires for breaks or shorts.
* Replace faulty components (eg switches, sensors).
3. Wiring repair
* Insulate exposed wires.
* Connect the wires using crimp terminals or soldering.
* Check for short circuit or open circuit.
4. Check and adjustment
* Check the restoration of functionality.
*Adjust components as needed (eg sensors, switches).
5. Maintenance
* Check the electrical system regularly for problems.
* Clean the battery terminals and apply lubricant.
* Check the integrity of the alternator belt.
Adviсe:
*Always disconnect the negative terminal of the battery before performing electrical work.
* Use the correct tools and safety equipment.
* Use caution when working with high voltage components.
*If you are unsure of your capabilities, seek assistance from a qualified mechanic.