: Includes a unique indexing system where users can look up specific symptoms—like "no start" or "no spark"—to find the exact page needed for diagnosis. Industry Impact
The book is structured to make invisible electrical concepts "visible" through practical troubleshooting techniques: Voltage Drop:
Press the Start button. The motor does not run. The "Run" indicator light stays off.
Sullivan starts not with voltage, but with death. He covers:
Sullivan famously argues that voltage drop is the most important concept to master. The book explains how to identify high resistance that a standard multimeter might miss. The "LOADpro" Method: Many technicians use this book alongside the LOADpro Dynamic Test Leads