2005 Ford Ranger Pickup Truck | Stereo Wiring Diagram 2005 Ford Ranger Pickup Truck. July 15th, 2012 Posted in Ford Ranger Pickup Truck. 2005 Ford Ranger Pickup Truck Stereo Wiring Information. Radio Battery Constant 12v+ Wire: Light Green The stereo wiring diagram listed above is provided “as is” without any kind of warranty. Use of the information above is at your own risk. Leave a Reply. 2005 Ford Ranger Car Radio Wiring Diagram - ModifiedLife Whether your an expert Ford Ranger mobile electronics installer, Ford Ranger fanatic, or a novice Ford Ranger enthusiast with a 2005 Ford Ranger, a car stereo wiring diagram can save yourself a lot of time. Automotive wiring in a 2005 Ford Ranger vehicles are becoming increasing more difficult to identify due to the installation of more advanced factory oem electronics.