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Good troubleshooting skills are important in the DIY world because your project is probably a one-of-a-kind activity. Nobody else on the planet has the same setup that you do, so do everything you can to learn the concepts behind the troubleshooting suggestions provided here so that you can apply them to your situation. In some cases you may find a literal solution to a specific issue but don't count on it. Think bigger. Think outside the box.

Table of Contents

*Think Logically - There's a logical flow to solving electronics issues; this section can teach you how.
*Diagnostic Tools - Knowing how to use a voltmeter, continuity tester or other tester is critically important.
*Current detective - GoodHumor's excellent information about GFCI detection and prevention