Marketing. The dreaded M word. For most of my career, I cringed when I heard that word.

Simple troubleshooting for such things as a no-start or poor performance problems requires an understanding of how the particular system operates, and how to diagnose it.

Do you remember when a simple DC-powered test light was your best electrical diagnostic friend? Do you remember casually probing it here and there, to quickly determine whether a circuit was live or not?

When you’re through reading each “Waveform Of The Month” installment, you’ll know more about the waveform that it knows about itself.