Overview: This DIY shows how to install a AVIC-F90BT, XM/HD tuner and Stock Microphone replacement Difficulty:3 (Basic knowledge of automotive electrical wiring is needed) Time:2 hours Cost:$500 – $1K (depending where you buy you’re supply) Materials: AVIC-F90BT, wire kit, Satellite radio kit Tools: wire stripper, electrical tape, solderless terminals, ohm/volt meter, Uni-bit/Step-bit or 1″ holesaw. […]