DC Electrical Troubleshooting

You are here

This course is perfect for beginning mechanics or those who have been in the field but need to brush up on their electrical systems and trouble-shooting knowledge. The concepts covered in this class will help you with electrical troubleshooting for any transportation vehicle, whether it be diesel, automotive, heavy equipment, or small engine.

DC Electrical Troubleshooting

  • 12 hours total in-class and hands-on lab time

You will learn the basic electrical concepts and fundamentals associated with any transportation engine. You will gain knowledge in the principles of electricity, magnetism, and Ohm’s Law. Your time will be spent focusing on:

  • Batteries
  • Starting
  • Charging
  • Lighting circuits (series, parallel, and series-parallel)
  • Troubleshooting
  • Starting motors
  • Charging systems, and accessories. 

Upon completion, you will be able to:

  • Identify components
  • Test systems
  • Repair minor electrical problems according to manufacturer’s literature.

View Available Classes


Workforce Development at College of Western Idaho (CWI) provides you high-quality, short-term training to boost your job skills, acquire new career skills, and earn the certificates you need. Take as many classes as you want in our short-term, credit free classes with no applications, no transcripts, and no hassle. Just sign up and watch your career take off.

Classes are offered at a variety of locations throughout western Idaho that are taught by knowledgeable professionals with years of experience in the topics they teach.

Respectful Community

College of Western Idaho is committed to maintaining a Respectful Community by providing equal opportunity for all individuals and does not discriminate in services, benefits, or activities on the basis of race, color, national origin, religion, sex, gender identity, sexual orientation, disability status, veteran status, age, or any other legally protected status.  More on Title IX