Ford Bronco II Engine Wiring Harness | Auto Parts Warehouse Let the people with 12+ years of experience in finding and buying car parts help you find the best Engine Wiring Harness for your Ford Bronco II. We here at Auto Parts Warehouse want to make sure you're happy with your car part purchases. We know you love your Ford Bronco II and want to make sure it's taken care of (maybe he or she even has a 1986 Ford Bronco OE Wiring Harnesses & Stereo Adapters Ford Bronco / Bronco II 1986, Aftermarket Radio Wiring Harness by Metra®, with OEM Plug. For aftermarket stereo. Metra preassembled wiring harnesses can make your car stereo installation seamless, or at least a lot simpler.