In Part 1 of this two-part series, we presented a 3-phase, 480VAC motor circuit with its associated controls (Figure). We stepped through a logical, systematic approach to troubleshoot the main power ...

For years, many drivers have complained about engines that cut out at every red light and then start again a moment later. That auto start-stop feature is built into a large share of recent cars and ...

Earlier this month, the EPA ended the “off‑cycle” emissions credit for automatic engine start‑stop systems, thereby removing the OEM incentive to install them on mass-market vehicles. As a result, ...