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  1. Focus ST Electronics
    Several weeks ago I replaced the Sony front door speakers in my car with an Infinity component set. Everything else was left stock. The speakers work great, but since then, Sync3 has been acting very strangely. Every time I turn the car on, the FM radio comes on, regardless of the source it...
  2. Focus ST Electronics
    Hey everyone! I've been updating everything from SYNC 2 to 3 in my 2015 ST and I've ran into a problem with the USB Hub module. I'd like to update from SYNC 3.0 to the latest update 3.4. I purchased from Amazon "Genuine Ford Transceiver HU5Z-19A387-B" from a Ford parts dealer. What I received...
  3. Focus ST Electronics
    Hey everyone, I've tried searching far and wide through multiple forums about someone having the same issues as I am - with no luck. Before my ST3, I have completed the Sync3 swap in my 2015 F150, with only the navigation fault issue (can be cleared through testing settings and GPS with Sync 3...
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