Principles of engine electrical systems, including testing equipment and procedures. Topics include wiring, connectors, and circuit protection devices; batteries and battery tests; cranking circuits, starter motors, and drives; charging circuits, alternators, and voltage regulators; ignition systems; engine computer controls and electronic fuel injection; and the oscilloscope and other special test equipment. 4 Credits (3 Lecture - 3 Lab) Prerequisite(s): Placement by Examination or MTH004 and Placement by Examination or RDG001. Corequisite(s): AMT109.