Wiring color codes for a Sony Xplod CDX-GT240 cd player answerso›Cars & Transportation›Car Audio›NextJun 17, 2011Best Answer: Wiring colors are standard on all aftermarket headunits: Yellow-constant 12V. Black-ground. red-switched 12V. orange-illumination. blue-power Status: ResolvedAnswers: 1 sony xplod wiring | eBay www›Search›sony xplod wiringFind great deals on eBay for sony xplod wiring. Shop with confidence. Skip to main content. eBay Logo: SONY wire Harness Illumination mute XPLOD CDX MP70 sni See more like this. OEM Sony Xplod Series 2007+ later Car Stereo Wiring / Wire Harness . Brand New. $14. FAST 'N FREE.