racer...sorry reply took so long...yeah, I ran it around the hatch opening on underside of cuddy deck...1/4'' SS screws and small plastic cable clamps like these:
http://www.westmarine.com/webapp/wcs...0001/184/124/9
Pretty sure the 1/8'' clamp will be the size you'll need ;)...
Yours being a later model, if there's carpet under there, you'll need a longer screw or ya might be able to ''hide'' the wire along the edge of the carpet around the hatch opening...