Hi, I have searched here for an answer but no luck. Is there a solution to this? I have a Garmin Zumo 550 and want to plug it in to the 12v socket adjacent to handlebars but I can't find a suitable connector to allow me to use the Garmin clamp as that hides the USB socket which could be used with a simple 12v plug to USB. Can't see any alternative Nav clamp / mount for the Garmin to allow this. Do I have to hard wire this nav in?