I might avoid that way.
I called these guys and they knew what I needed.
phone # is on website
http://www.mnrelectronics.com/roscruiscon.html
appears to be same company
http://www.thecruisecontrolstore.com/
there is an adapter you need to order to connect to the throttle cable
If you connect the rpm signal you can skip the clutch switch
I had problem where I needed more cable sticking out of the sheath due to my install location, so I believe I may have cut the sheath with dikes, be careful not to nick the cable
set the gain low, enjoy