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S1d – Electrical Basics and Troubleshooting

Electrical basics and troubleshooting

These two courses cover all that a technician needs to understand about the different electrical systems on commercial vehicles. They cover “principles of operation” and “diagnosis” for all systems.

Each course lasts 4 hours and have their respective hand books which remain the property of the technicians.


Head lights and signalization wiring recognition and diagnosis
  • Wiring diagram reading
  • Flow chart reading
  • Color codes standards for trucks and trailers
  • Shorted wiring diagnosis
  • Faulty ground diagnosis


Principles of operation and diagnosis
  • Batteries
  • Charging systems
  • Engine cranking systems
  • HVAC and auxiliary systems
  • Accessories
  • Safety and theft protection systems
  • GPS and other positioning systems
  • Multiplexing (principles of operation only)

Why us

Because you deserve an impartial opinion oriented towards your best interests.

  • No brand name discrimination / we evaluate and discuss all OEM and aftermarket brands
  • Industry certified / seasoned facilitators
  • State-of-the-art tutorials and training programs
  • Outside-the-box thinking
  • Custom made solutions to your tech support needs
  • High Performance wheel end components
  • Innovative maintenance tools

On-the-floor Technical Support

  • In house “Standard Operational Procedure” development
  • Recurring issue diagnosis and corrective procedure development
  • Warranty claims’ assistance & legal representation
  • Technician assistance & on-the-floor training
  • Customized training programs with hands-on practice
  • Entry level technician coaching

Our Technical Training Products

  • Air Brake Systems’ training
  • Wheel end maintenance training
  • Electric / Hydraulic Tail gate maintenance
  • Electrical basics and troubleshooting
  • Vehicle inspection
  • Custom made training courses
  • External conference room classes
  • Internal training in your premises