The factory radio in the 2003 Eclipse is an Infinity system, which means it has an amplifier that powers the speakers. Therefore, it is important to properly wire the aftermarket radio to ensure that everything works correctly. The wiring diagram for the 2003 Mitsubishi Eclipse Infinity radio can be found in the vehicle's service manual.. The stereo wiring diagram for a 2003 Mitsubishi Eclipse is an essential component in any successful car audio installation. Whether you're installing a new head unit, car speakers, subwoofer, or connecting any other audio component, the wiring diagram you need can be found in this article.
If the radio does not work, double-check your connections and consult the wiring diagram to ensure everything is connected correctly. By properly identifying the factory wiring harness and using a wire harness adapter, you can easily install a new radio in your 2003 Mitsubishi Eclipse without damaging any electrical components.. By using the 2003 Mitsubishi Eclipse stereo wiring diagram, you can confidently upgrade your car's audio system and enjoy a superior listening experience on the road. Overview of the Mitsubishi Eclipse. The Mitsubishi Eclipse is a sporty compact car that was produced by Mitsubishi Motors from 1989 to 2011. It was originally introduced as a 2.