"It turns out some engineer at Jeep thought "Hey, let's put a control relay box in the left front wheel well on a Jeep" was a good idea. Water got into the relay box and corroded contacts to the point ...

This mini-series of articles describes how to build a computer’s CPU (central processing unit) out of relays. “Y” in English sounds like “guay” in Spanish (my mother tongue), a colloquial expression ...

The powertrain control module (PCM) in your Jeep Wrangler – often referred to as your engine’s “computer” – acts as the brain of your vehicle’s engine. More specifically, the PCM in your Jeep is ...