Bestycar 4" TO 8" PNP Conversion Harness for Ford SYNC 1 to SYNC 2 & SYNC 3 Upgrade Fits for Ford Edge Fusion F-150 Mustang Super Duty. NOTE:For the DIY'er who wants to convert their 4" MyF-o-r-d System with SYNC to the 8" SYNC 2 or SYNC 3 system.
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