2011 Ford F-150 Trailer Wiring Harness | Advance Auto Parts Compare 2011 Ford F-150 Trailer Wiring Harness brands. Check prices & reviews on aftermarket & stock parts for your 2011 F-150 Trailer Wiring Harness. Order your parts online or pick them up in-store at your local Advance Auto Parts. 2011 Ford F-150 OE Wiring Harnesses & Stereo Adapters wwwd››Ford›F-150Ford F-150 2011, 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..