Technical Specification: Pin:20pin Wire length: about 5 inch Connections: Color Code Yellow – 12V Constant (12V+) Red – 12V Accessory/Ignition/Switched (12V+) Black - Ground(12V-) Blue - Power Antenna Orange – Dash Light Dimmer/Illumination Green – Left Rear Speaker (+) Green with Black Stripe Left Rear Speaker (-) White – Left Front Speaker (+) White with Black Stripe – Left Front Speaker (-) Purple – Right Rear Speaker (+) Purple with Black Stripe – Right Rear Speaker (-) Gray – Right Front Speaker (+) Gray with Black Stripe – Right Front Speaker (-) * This Harness is for DIY , not totally same connection as the original .Some of the additional wires may have special functions, for more information about this please refer to the your stereo/radio manual Package Includes: 1 x 20pin Radio Wire Harness (Please make sure you know how to connect and modify before order , otherwire donn't buy )