Ciro rear end lighting Y splitters will allow you to connect Plug-N-Play accessories into a Plug-N-Play Y harness. See fitment for more detail. 

Installing more than one Ciro Plug-N-Play light kit on the backend of your motorcycle? Keep under your seat clean and tidy with the Ciro Rear End Lighting 4-Way Splitters, eliminating the need for multiple wiring harnesses. This allows a single wiring adapter on the motorcycle to be used for up to four different pairs of Ciro rear end Plug-N-Play lights (wiring adapter not included with 40094, it is provided with each Plug-N-Play lighting kit). Sold in pairs. 

Please see fitment tab for the y-harness compatibilities.