Working on the stereo system in your Ford Ranger? Here's some Ford Ranger Radio Wiring Diagrams.. The document provides wiring diagrams for a 1988 Ford Ranger with a 2.9L engine. It includes various figures depicting the engine compartment, computer engine control, and instrument panel. The contact information for P-Town Auto & Offroad, LLC is also included.
Right Rear Speaker Negative Wire (-): Green/Orange The following information is currently not available: Stereo Dimmer Wire Stereo Antenna Trigger Stereo Amp Trigger Wire Audio Front Speakers Size Audio Rear Speakers Size *If you know any of the above or any other missing information please use the comment box below to notify us.. What are the 1988 Ford Ranger radio wiring harness color codes? If you're planning to upgrade the radio in your 1988 Ford Ranger or troubleshoot issues with your car stereo, this guide is here to help! Our comprehensive 1988 Ford Ranger radio wiring diagram shows all the radio wire harness colors, speaker wire colors, and speaker sizes.