Wiring Harness Information | Sony USA Be among the first to get the latest Sony news in your inbox. Sony Support MEX-XB100BT. Article ID : 00028632 / Last Modified : . Wiring Harness Information. Applicable Products and Categories of This Article. Select the appropriate wiring harness to view a table showing the wire color and function of each pin: 9-pin wiring harness ; Support for MEX-XB100BT | Sony USA Be among the first to get the latest Sony news in your inbox. MEX-XB100BT. CD Receiver with Product Alerts. Popular Topics. What is the maximum communication range of the Bluetooth connection? Wiring Harness Information. A beep sound occurs through the car stereo when the vehicle is turned off. Purchase Parts and Accessories.