2010 mustang harness | eBay Find great deals on eBay for 2010 mustang harness. Shop with confidence. Skip to main content. eBay Logo: Shop by category. Shop by category. Enter your search keyword 2007-2010 MUSTANG Ford Engine Wire Wiring Harness Automatic 4.0 V6. Pre-Owned. $125. Buy It 2010 Ford Mustang OE Wiring Harnesses & Stereo Adapters Ford Mustang 2010, Factory Replacement Wiring Harness by Metra®, with OEM Radio Plug and Plug for Charger and Auxliary. For factory stereo. This high-quality Metra wiring harness is just what you need to replace your defective or aged..