Wiring harness and handlebar mounted on/off switch. Comes with power input and taillight leads. Will work with any current  Squadron 3"x3", OnX, SII, LaPaz 8-inch, Fuego, Tecate, or Diablo light.

This harness is perfect for the XCF/SX bikes that do not have a headlight harness or switch.
Please specify make/model and type of light when ordering.