Ok I have the Z2, the gex-p10xmt, and the ipod interface. do i need to hook up the ip bus wire on the xm tuner, or just the data wire and run the ip bus from the ipod interface to the head unit? please help. thanks.

Ok I have the Z2, the gex-p10xmt, and the ipod interface. do i need to hook up the ip bus wire on the xm tuner, or just the data wire and run the ip bus from the ipod interface to the head unit? please help. thanks.

gex-p10xmt requires both IP-bus (for xm radio) and the Data cable (for NavTraffic). You need both. Daisy-chain the iPod interface and XM box via IP-bus and run the data separately.

Good luck!