Looking for how you did it suggestions. I have a 2014 520c with in dash console mounted HDS Gen 2 12 touch and a HDS Gen 2 9 touch mounted flush at the bow. I am going with a Onix 12 at bow and an Onix 10 at console.,I think. I may switch positions and put the 12 at console and 10 at bow, haven't fully decided that yet. How would you mount them? in dash: on some sorta electronics mount? I as well have to remove the LLS 2 mounted on the step How did you fill those holes? Where did you mount the Humminbird side scan. Or did you mount yours on the step?