Ford Ranger Radio Wiring Diagram - The Ranger Station Ford Ranger Radio Wiring Diagrams: Shirts & Decals But what if your Rangers harness is missing the radio plugs at the end of the wires? Ford doesn't use the same color wiring in all applications but there are some common wire colors between model years as far as radios go. Below is a break down of common wire colors as well as links to Ford Ranger Stereo Wiring Harness - AutoZone Order Ford Ranger Stereo Wiring Harness online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store.