Ford Ranger (2008) - fuse box diagram - Auto Genius Jan 21, 2017Power distribution box. The power distribution box is located in the engine compartment near the battery. 2 engine (if equipped) Ford Ranger – fuse box – power distribution (2 engine) 2008 Ford Ranger Fuse Diagram — Ricks Free Auto Repair This 2008 Ford Ranger Fuse Diagram shows a battery junction box and a smart junction box located under the dash. Ford used TWO different battery junction boxes depending on engine. There's one battery junction box for the 2 engine and a different fuse diagram layout for the 3.0 and 4 engines.