Car Stereo Radio Wiring Diagram - 2003 Ford Mustang Whether your an expert installer or a novice enthusiast with a 2003 Ford Mustang, an automotive wiring diagram can save yourself time and headaches. One of the most time consuming tasks with installing a car stereo, car radio, car speakers, car amplifier, car navigation or any mobile electronics is identifying the correct wires for aCop This Deal 2003 Ford Mustang | Stereo Wiring Diagram 2003 Ford Mustang. July 15th, 2012 Posted in Ford Mustang. 2003 Ford Mustang Stereo Wiring Information. Radio Constant 12V+ Wire: Purple/Light Blue Radio Switched 12V+ Wire: Black/Pink Radio Ground Wire: The stereo wiring diagram listed above is provided “as is” without any kind of warranty. 2003 Ford Mustang Radio Wiring Diagram » Wiring Diagram 2003 Ford Mustang Radio Wiring Diagram. You may realize the ones which fit the colors up the most usually are the ones that you will want to use foryou personally. But, you cannot work from three unique diagrams, therefore ensure you limit your listing to only a single wiring diagram scheme. 2003 ford Mustang Stereo Wiring Diagram Download | Wiring 2003 ford Mustang Stereo Wiring Diagram Download - Wiring Diagram 2003 ford Explorer Radio Wiring Diagram Awesome. 1998 ford Mustang Radio Wiring Diagram Beautiful ford Probe Battery. 2003 ford Focus Stereo Wiring Diagram. 48 Unique 1999 Mercury Sable Stereo Wiring Diagram Install Kit.