Welcome to the JeepSpecs.com in-depth page on WJ Generation Jeep Grand Cherokee wiring diagrams and pinouts. We have organized as much information as we could find into a helpful article below. Is something incorrect or missing? Please get in touch with us and we'll fix it! Radio connectors 1999-2001 (2x 7-pin) 2002-2004 (22-pin + 10-pin) Base radio (without CD changer & PCI connectors.. Our comprehensive 1999 Jeep Grand Cherokee radio wiring diagram shows all the radio wire harness colors, speaker wire colors, and speaker sizes. Use this head unit pinout guide to help with your car stereo installation or to troubleshoot radio wiring issues in your 1999 Jeep Grand Cherokee.
![[DIAGRAM] 1999 Jeep Grand Cherokee Stereo Diagram](https://www.2carpros.com/images/question_images/203093/original.jpg "[DIAGRAM] 1999 Jeep Grand Cherokee Stereo Diagram")
![[DIAGRAM] 1999 Jeep Grand Cherokee Stereo Diagram](https://i.pinimg.com/originals/e1/01/14/e101146051dfdef49de9af8605101250.jpg "[DIAGRAM] 1999 Jeep Grand Cherokee Stereo Diagram")
1999 Jeep Grand Cherokee car stereo wire colors, functions, and locations. Jeep Grand Cherokee WJ - Stereo system wiring diagrams 5. Wiring diagrams and pinouts