The Polaris Pulse Electrical System is a serious advancement that that was needed in side x sides to make installing electrical accessories much simpler and cleaner. Polaris Pulse Electrical System comes stock with six/four plug and play adapters depending on which model you have. 900 Trail has 4 slots and the XP 1000/Pro XP/R have 6 slots. This plug/pigtail will allow you to wire up your accessories easily and cleanly. Depending on which wire you use, you can have key on/accessory power or can have constant power on the same plug.