w or sync

  1. R

    Have'08 Explorer w/Sync & 6-disc audiophile sys&Sirius Sat. Bought '09 Nav...

    ...radio. Need info abt reprogram etc? I know I need external amplifier, and wiring changes (not too awful). Will aftermkt amp work? Can '08 sync (APIM) be programmed to talk with '09 Nav unit? What is antenna config? I think satelite rcvr is built into Nav/radio. Any help appreciated.