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 ...

Jeep has been rolling out rugged off-road vehicles since the early 1940s, and the Wrangler came about with 1987's YJ model. With square headlights and a new engine that helped differentiate the ...

The TorqueFlite 999 is a Chrysler three-speed automatic transmission with an aluminum case and 23-spline output shaft. Various versions of this transmission have been around since the TorqueFlite's ...

The first Jeep Easter egg was hatched long before anyone realized. In 1996 when the Wrangler TJ was unveiled, it wasn’t just round headlights that came back to the iconic off-roader. It was also when ...

“The all-new 1997 model has air conditioning that actually works, a top that doesn’t take a construction battalion to raise and lower, and a suspension that allows you to keep all the fillings in your ...