Tools and materials for automotive electrical repairs:
* Multimeter
* Voltage probe
* Screwdrivers
* Keys
* Wire stripper
* Insulation tape
* Heat shrink tubing
* Grease for electrical connections
General automotive electrical repair procedures:
1. Diagnose the problem: Use a multimeter to check voltage, resistance and continuity.
2. Troubleshooting: Check fuses, relays, wires and connections. Identify the faulty component.
3. Repair: Replace or repair the faulty component. Use lubricant on electrical connections to protect against corrosion.
4. Inspection: After repair, check the system to make sure it is working properly.
Common car electrical problems:
*Poor starting or no starting
*Lighting problems
* Electronics malfunctions
*Charging system malfunction
*Short circuit
Important safety tips:
* Disconnect the battery before starting work.
* Wear protective clothing such as gloves and goggles.
*Do not work on wet or dirty electrical equipment.
* Use only working tools.
* Check the operation of the system after repair.
*Consult a qualified mechanic if you are unsure of your skills.
Common problems and solutions:
| Problem | Solution |
|—|—|
| Low battery | Replace or recharge the battery. |
| Blown fuse | Replace the fuse with the correct rating. |
| Faulty relay | Replace the faulty relay. |
| Broken wire | Locate the break and connect the wires together using heat shrink tubing. |
| Lamp failure | Replace the faulty lamp. |
| Ground fault | Clean and tighten all ground points. |
| Short circuit | Find and eliminate the cause of the short circuit. Replace damaged components. |