Three Basic Steps to Find Electrical Problems

摘要

The difference between electrical-system troubleshooters and parts changers is how well they understand the circuit at hand. Luckily, all the information you need is in the service manuals and schematics. If you acknowledge that 80 percent of electrical problems are in the wiring, and you know how to use a voltmeter to find them, you can fix the lion's share of problems very quickly as long as you use the schematic.