I ended up removing the top shelter to access the speed sensor plug and route all of the wires. I'm actually getting pretty good at taking off the top half of the bike. I had to set it at -6% to get accurate speed readings at 65mph. Now it agrees with my portable GPS up to 70mph which is as fast as I've tested it. It works great but took me longer to install than I planned. OH YEAH, this is partly because I dropped one of the top shelter rear nuts into the abyss and spend 30 minutes looking for and retrieving it.