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.

An essential tool for testing light switches is a continuity tester. You also can use a multimeter by turning the dial to read “continuity.” ...

To test these products, we loaded up a ’12 Wrangler Unlimited and headed out to an open location where we were able to directly compare the lights against each other. In addition to the stock ...