Regulator/Rectifier Universal Style Rectifier-Regulator: This universal style rectifier-regulator comes with wire leads only; you will need to re-use your old plug ends or hardwire the part. Installation instructions are included. *For some applications this universal piece will not mount in the original OE location & will need to be relocated. Universal type fitment, No plugs or connectors. 4 options: Ricks from the USA comes with a 12mth warranty 50 amp Economy unit comes with a 3mth warranty, these are proving very reliable. 38 amp Lithuim-ion friendly Reg/Rec # 14-515 Universal Hot Shot 7 wire 40 amp Lithuim-ion friendly Reg/Rec # 14-215 Universal Hot Shot 5 wire 40 amp Do Not use the Li regs with, std lead acid or agm batteries