Mar 29, 2023  
2020-2021 Course Catalog 
    
2020-2021 Course Catalog [ARCHIVED CATALOG]

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DSL 155 - Advanced Electricity

Credits: 4
Lecture Hours: 1
Lab Hours: 6
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech
The electrical circuitry on diesel-powered equipment is covered. Included are troubleshooting, diagnosing and repair procedures. Experienced individuals may contact the instructor to gain admittance to this course.
Prerequisite: DSL 145  
Competencies
  1. Develop basic troubleshooting skills
    1. List the types of electrical faults
    2. Discuss the symptoms of an open, high resistance, short to voltage, short to ground
    3. Relate each type of fault to the proper troubleshooting strategy
    4. Explain the steps in a logical order used to locate each of the faults
    5. Identify the type of fault in an actual circuit
    6. Locate the fault in an actual circuit
    7. Troubleshoot a relay circuit
  2. Make measurements on or trace an electrical circuit
    1. Show how to measure voltage drops on a circuit
    2. Explain what is an acceptable reading for each voltage drop measurement made on the circuit
    3. Show how to trace power and ground on a circuit
    4. Explain what reading is acceptable at each point traced
    5. Compare testing with a multi-meter to using a test light explaining where each is appropriate to use
  3. Analyze the basic common circuits used with diesel equipment
    1. Draw basic electrical diagrams of common circuits
    2. Explain the basic operation of common circuits
    3. Explain the basic operation of a relay circuit
  4. Interpret electrical schematics and troubleshooting manuals
    1. Identify the symbols used on schematics
    2. Isolate and trace a given circuit on a schematic
    3. Locate various components, connectors, wires, etc. on the vehicle using a manual or schematic
    4. Troubleshoot a circuit fault on the vehicle
  5. Analyze battery condition on the vehicle
    1. Practice the proper procedures in testing the batteries
    2. Diagnose the battery condition
    3. Examine parasitic load
    4. Recommend any corrective measures needed with the batteries or vehicle
  6. Examine the starting system on the vehicle
    1. Identify each starting system circuit
    2. Inspect all relevant connections and wiring
    3. Test the condition of each circuit
    4. Recommend any corrective action required
  7. Assess the charging system on the vehicle
    1. Identify each charging system circuit
    2. Inspect all relevant connections, wiring and belts
    3. Test the condition of the charging circuit
    4. Test the condition of the alternator
    5. Recommend any corrective action needed
  8. Practice proper repair techniques
    1. Explore different connector types and related tools
    2. Make proper repairs to wiring and various connectors
    3. Demonstrate proper soldering and weatherproofing procedures
  9. Explore other unique circuits
    1. Describe trailer wiring, color-coding, pin configuration
    2. Explain 3+1, 2+2 starting systems
    3. Assess the operation of other unique electrical systems



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