bosshossharley
New Member
I have a 2003 Harley ultra and I purchased a few years ago a garmin zumo 550 and I need help installing it on my bike. I have it mounted but I cannot figure out how to run it threw my bike radio so the sounds go thew the bike speakers. also it has xm radio is the antenna built in or do I need an ext antenna. also it has gas usage and speed etc. how does this work. I hope I get some help. I need it