I know there are a lot of GREAT ways to attach a GPS to your wing but I don't have much time before I go pick up my new to me trike and want to get a Garmin 660LM gps. I asked over at GL1800riders.com and I will ask here to see if someone can help quick. Garmin supplies a universal mount that looks like a U bolt goes over the handlebar. Pic shows it with a 7/8 ordinary handlebar. Will it work with a GL1800 bar? Next part of question. This GPS will take an audio wire to hook into GL1800 system speakeers. OK... if memory serves there is a short audio input and cigrarette lighter in the left map pocket. As I recall, the audio wire is short. How can it be connected to the GPS on the handlebar. Sorry for newb questions but my last 1800 had NAV and I NEVER used the headsets, etc. so am ignorant of all this type stuff. I will get the best mount AFTER I get back from my trip.