I am going to be installing a mini tach in the next few weeks on a 2005 FLSTC that has a carb. I know I need a dual fire adapter for this tach. I have the install diagram and instructions for the dual fire adapter and my service manual wiring diagram so I am pretty confident of the correct wires I need to splice into to wire the dual fire adapter. What I would like to know if anyone has any tips or things to watch out for when doing this. And if anyone has done this what if any issues did you have. Thanks in advance.