DS 257 Diesel Electrical Systems
This course covers technical information and shop projects necessary for the practical application and understanding of theories and principles used in the operation, troubleshooting, failure analysis, and repair of diesel electrical systems. This includes the following technical information and shop projects to understand and apply theories and principles: introduction to electrical fundamentals and safety; vehicle system components; batteries and battery banks; alternators and charging systems; starters and starting systems; electrical circuits; switches; relays; solenoids; lighting; electrical accessories; electronic control systems; schematics; wiring harnesses and HVAC systems as they are used on heavy duty trucks and equipment.