2002 mustang gt wire harness | eBay Find great deals on eBay for 2002 mustang gt wire harness. Shop with confidence. Skip to main content. eBay Logo: Shop by category. Shop by category. Enter your search keyword Body Wiring Harness 2002-2003 Mustang Coupe Subwoofer OEM Ford Mustang Engine Harness | eBay fuel injection / engine computer wiring harness removed from a very clean lower mileage 2003 mustang gt. pictures 1 - 3 are of both the engine and fuel injection harness's connected together complete.