Diesel Technician Electrical Training – DC Theory & Essential Diagnostics – Commercial Vehicles


4 day Class (Tuesday-Friday) | Max Available seats: 12

Dedicated classes available— please call for details

COURSE DESCRIPTION: This diesel truck or commercial vehicle electrical training class for diesel technicians, will cover DC Circuit Definitions, Essentials of DC Diagnostics, Fault Definitions, Schematic Reading, Circuit Components, Meter Reading, Electronic Systems, Circuit Building and more. Finally, each Student will take hands on fault exercise and after completing this class, the Technician will be able to successfully test Relays and Individual Circuits. know how to correctly read a Volt, Ohms, and Amp Meter, understand the importance of Circuit Voltage Drop, interpret wire Schematics, diagnose CAN Bus systems, Multiplexing, Sensors, Diodes, relays, Solenoids, learn Fault Definitions, the Psychology of doing it right and much more. In addition, all testing equipment, circuit boards and materials are provided.

Hotel & lunch are included.



  • DC Circuit Definition and Analysis
  • Schematic Reading
  • Meter Reading
  • Electronic Systems
  • Circuit Building
  • Circuit faults
  • Multiplexing
  • For a detail course syllabus please contact us


  • Diesel Technician Electrical Training class
  • Classes are 4 days | Tues-Thurs 8am-5pm | Friday 8am-12pm
  • Included hotel stay, lunch, and TRITECH provided equipment


  • Laptop: Diagnostic laptops will be provided. However, we encourage students to bring their own
  • Safety: Eye & ear protection, safety masks and gloves will be provided. Steel toe shoes and long pants required
  • Meals: Lunch and drinks will be provided daily. Additionally, the Hotel provides breakfast every morning from 7am-9am
  • Hotel: Hotel room for Student attending training class Monday- Thursday nights

LOCATION: ETT Training Center

TRITECH Expert Technician Training Center is in New Braunfels, TX, while the San Antonio, TX airport (SAT) is 35.5 miles from training center and the Austin, TX airport (AUS) is 47 miles from ETT training center. Please plan on arriving the Monday prior to class starting on Tuesday and departing Fridays 3:00pm or after.


Fairfield Inn & Suites by Marriott

1465 I-35 New Braunfels, TX 78130

What to do while in town?

New Braunfels is Centrally located between Austin and San Antonio and is best known for the Comal and Guadalupe Rivers, great food, live music and the nearby Gruene Historic District.


Please complete 1 Enrollment Form per enrollee to reserve a slot in an upcoming Cummins Engine Training class. Enrollment Forms can be requested by email at ett@tritechent.com or by phone at 830-743-9720. Registrations will be accepted up to the start of class and are subject to available seats. See Cancellation Policy

Course Date

June 13-16, July 11-14, August 15-18, September 26-29, November 28 – December 1


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