Feb 02, 2026  
2025-2026 Catalog SVC 
    
2025-2026 Catalog SVC

DSL 101 - Diesel Electrical Theory


Credits: 4
Variable Credit Course: No

Lecture Hours: 33
Lab Hours: 33
Worksite/Clinical Hours: 0
Other Hours (LIA/Internships): 0

Course Description: Introduction to basic electrical concepts of voltage, amperage, and resistance and their relationship to each other in a circuit (Ohm’s Law) as applied primarily to heavy-duty equipment. Includes digital multi-meter familiarization, working with simulation boards, and building basic electrical circuits.

Prerequisite: CSS 103 with a D or higher or concurrent enrollment.
Meets FQE Requirement: No
Integrative Experience Requirement: No

Student Learning Outcomes
  1. Understand the principles of Ohm’s Law.
  2. Understand the concept of voltage drops and being able to locate them in a circuit.
  3. Proficiently use digital multi-meters and related test equipment.
  4. Apply knowledge of relays and solenoids to working electrical circuits.
  5. Understand the fundamentals of vehicle computer systems.
  6. PROGRAM OUTCOME: Demonstrate proficiency with electrical diagnostics and meter usage.

Course Contents
  1. Principles and concepts of Ohm’s Law.
  2. Concept of voltage drops; locate them in a circuit.
  3. Digital multi-meter and related test equipment.
  4. Relays and solenoids to working electrical circuits.
  5. Fundamentals of vehicle computer systems.


Instructional Units: 5.25