Truck Electrical Systems Course
This course equips participants with essential skills to diagnose and repair electrical systems in lorries, covering 12V and 24V layouts, common faults like starting issues, ABS lights, HVAC problems, and lighting malfunctions, while emphasizing safe testing and documentation practices.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
The Lorry Electrical Systems Course provides quick, practical training to diagnose and fix real lorry problems. Learn layouts for 12 V and 24 V systems, use wiring diagrams and meters properly, track down no-start clicks, ABS warning lights, HVAC blower faults, and lighting issues. Master safe testing, ECU protection, corrosion prevention, and final checks so every repair is reliable and well documented.
Elevify advantages
Develop skills
- Diagnose lorry starting and charging faults quickly using professional voltage drop tests.
- Trace and repair ABS warning light issues with scan data, sensors and wiring checks.
- Fix HVAC blower high-speed-only faults with resistor, relay and motor testing.
- Solve dim or intermittent lorry lighting using vibration, ground and harness checks.
- Apply safe, ECU-friendly test methods and document high-quality electrical repairs.
Suggested summary
Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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