DIET 105 Electrical Systems

Troubleshooting and repair procedures for heavy-duty electrical systems, including electrical principles as they relate to the components used in trucks and heavy equipment, writing schematics, and lighting along with the associated testing and repair procedures for each system. Topics include basic electricity fundamentals, starting, and charging systems, batteries, troubleshooting, and lighting systems.

Credits

3.00 Credits

DIET 105Electrical Systems

Please note: This is not a course syllabus. A course syllabus is unique to a particular section of a course by instructor. This curriculum guide provides general information about a course.

I. General Information

Department

II. Course Specification

Credit Hours Narrative

3.00 Credits

III. Catalog Course Description

Troubleshooting and repair procedures for heavy-duty electrical systems, including electrical principles as they relate to the components used in trucks and heavy equipment, writing schematics, and lighting along with the associated testing and repair procedures for each system. Topics include basic electricity fundamentals, starting, and charging systems, batteries, troubleshooting, and lighting systems.

IV. Student Learning Outcomes

Upon completion of this course, a student will be able to:

  • Identify battery type; preform appropriate battery load test; determine needed action
  • Determine battery state of charge using an open circuit voltage test
  • Inspect clean, and service battery; replace as needed
  • Inspect and clean battery boxes, mounts, and hold downs; repair or replace as needed
  • Charge battery using appropriate method for battery type
  • Inspect, test, and clean battery cables and connectors; repair or replaces as needed
  • Jump start a vehicle using jumper cables and a booster battery or appropriate auxiliary power supply using proper safety procedures
  • Identify series and parallel systems. Perform battery capacitance test; determine needed action
  • Perform starter circuit cranking voltage and voltage drop tests; determine needed action
  • Inspect and test components (key switch, push button and/or magnetic switch) and wires and harnesses in the starter control circuit; replace as needed
  • Inspect and test starter relays and solenoids/switches; replace as needed
  • Remove and replace starter; inspect flywheel ring gear or flex plate
  • Perform starter current draw test; determine needed action
  • Test instrument panel mounted volt meters and/or indicator lamps; determine needed action
  • Identify causes of a no charge, low charge, or overcharge problems; determine needed action
  • Inspect and replace alternator drive belts, pulleys, fans, tensioners, and mounting brackets; adjust drive belts and check alignment
  • Perform charging system voltage and amperage output tests; perform AC ripple test; determine needed action
  • Perform charging circuit voltage drop tests; determine needed action
  • Remove and replace alternator
  • Inspect, repair, or replace cables, wires, and connectors in the charging circuit
  • Identify causes of brighter than normal, intermittent, dim, or no headlight
  • Test, replace, and aim headlights
  • Test headlight and dimmer circuit switches, relays, wires, terminals, connectors, sockets, and control components/modules; repair or replace as needed.
  • Inspect and test switches, bulbs/LEDs, sockets, connectors, terminals, relays, wires, and control components/modules of parking, clearance and taillight circuits; repair or replace as needed
  • Inspect and test tractor-to-trailer multi-wire connector(s); repair or replace as needed
  • Inspect, test, and adjust stoplight circuit switches, bulbs/LEDs, sockets, connectors, terminals, wires and control components/modules; repair or replace as needed
  • Inspect and test turn signal and hazard circuit flasher(s), switches, relays, bulbs/LEDs, sockets, connectors, terminals, wires and control components/modules; repair or replace as needed
  • Inspect and test reverse lights and warning device circuit switches, bulbs/LEDs, sockets, horns, buzzers, connectors, terminals, wires and control components/modules; repair and replace as needed

V. Topical Outline (Course Content)

VI. Delivery Methodologies