this is a two fold question i hope someone may have some insite that can help me...i want to put 12 inch apes on my 2013 superglide in hopes to help with the problem of my hands getting numb in my old age...lol does anyone know if this would help...secondly i know you have to change push pull cables, but how do you lengthen the switch wiring...appreciate any help with either or both questions....thanks ride safe