Our comprehensive 2005 Subaru WRX 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 2005 Subaru WRX.. Our comprehensive 2005 Subaru Impreza 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 2005 Subaru Impreza.
Subaru Impreza WRX 1993-2007 Car Stereo pins and signals Pinouts > Genuine Subaru and Suzuki car audio harness Subaru Impreza pinouts. 2.5 Receiver Wiring 2.5.1 WRX Radio Connector Pin-out The table below was compiled from all of the Subaru radio wiring diagrams from 1993-2008. Model years 2008-2010 with Navigation also use the same connector and pin-out shown here. 2008-2010 non-Navigation radios have changed to a new 20-pin connector. See this pin-out.