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 ...
They're still the king of cheap, popular, and easy-to-build Jeeps. If you own a TJ, you can let your fingers do the walking through catalogs or Internet sites and choose from an army of parts to make ...