For all of you who have a multimeter thrown in a drawer or toolbox but don’t know how to use it, these instructions will help in your search for missing voltage.

You can use them to test for voltage drop at various circuits, blown fuses, current draws, heating elements, and to verify bad cable connections. The most common task is checking pedestal voltage.

In this article, I’ll show you how to use a multimeter to troubleshoot some basic electronic components, such as resistors.

If you have a box of old bulbs in unknown conditions, use your multimeter to test which ones are good and which ones are blown. Confirm your meter is set in continuity test mode (see step 2) and ...