Automotive relays course
Gain mastery over automotive relays through practical testing, wiring diagnostics, and fault tracing in real scenarios. Learn to swiftly diagnose headlight and power circuit issues, validate repairs assuredly, and present clear repair recommendations to customers—vital competencies for any professional mechanic aiming to excel in vehicle electrical repairs.

from 4 to 360h flexible workload
certificate valid in your country
What will I learn?
This course equips you with hands-on skills to identify, test, and replace automotive relays confidently. Master relay types, pin configurations, and terminal numbering, then progress to safe extraction, visual checks, and bench testing using a multimeter and test light. Gain expertise in on-vehicle diagnostics to distinguish relay failures from wiring or control problems, and communicate repair solutions effectively to clients.
Elevify advantages
Develop skills
- Diagnose relay circuits by quickly identifying power, ground, and coil faults.
- Test relays using a multimeter and test light to check coil, contacts, and voltage drop.
- Conduct safe relay maintenance including inspection, removal, and replacement without circuit damage.
- Interpret relay diagrams to confidently trace headlight power and control circuits.
- Verify repairs and communicate by documenting tests and clearly explaining findings to customers.
Suggested summary
Before starting, you can change the chapters and the 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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Course in PDF