Join Date: Feb 2007
Location: Maryville, TN, US
Re: bike to bike communications
I don't think I'll be much help but on my bike with the BC3 system, the PTT wire was already run up under the left handlebar cover. All I had to do was buy the $75.00 switch from BMW and plug it in. For the radio, I bought the FRS cable from BMW and it hook into the radio on one end and the front of the comm panel on the other.
However, I haven't seen a comm system on the new LTs, so I guess I'm really talking out of school here. I do know that if anyone can help get you going it's Hoss. He was a big help to me getting my electronic problems solved.
Good luck and enjoy your ride. I'm jealous.