CTI Season Line-up Rock Hill - Effective Electrical Troubleshooting: Diagnostic Application of Wiring Schematics will be held at York Technical College, Rock Hill, SC. The course guides technicians through the effective use of wiring schematics as a diagnostic tool. Learn to combine schematics, circuit operation information, and power flow techniques along with applied circuit principles to diagnose problems quickly and accurately. Find electrical faults fast by recognizing the characteristics of shorts, opens, and high resistance circuit problems. Learn the rnost effective tools and techniques to use for a given fault. During the interactive course, students will use selected schematics to diagnose assigned circuit problems and conditions. Course starts at 6.00pm and ends at 10.00pm.