Bayou, yes. This is the wiring diagram I used to patch everything back together with. There is no mention of blue wires outside of the one running from the coil to the CDI. I haven't had a chance to get this running to test the wires, so perhaps this is something which will show power when the quad is running? From what I can tell, the Black/Yellow wires serve as the ground for the starting system while the Brown wire serves as the ground for the lighting system. If these Blue wires do come from the CDI, then I can see them being for lighting of some sort. Does the Bayou have some sort of lighting capabilities beside the hi/low of the headlights and the marker/lights of the taillights?