The issue stems from a part called the power relay assembly. Located under the rear seat, it's home to a number of electrical components, including the main relay.

Not long after I began contributing to Hagerty eight years ago, I wrote a detailed four-part piece on electrical relays and how they work in cars. You can still find the articles here (Part I: Why We ...

A relay detected a weak signal and used a battery to strengthen the signal so that the receiver would operate. “Main line” relays like this Western Electric unit were one of the most common types of ...