Trail Tech's TTV Temperature Switching Fan Kit monitors your KTM/Husqvarna's cooling system performance and automatically activates the fan to keep engine at optimum temperature range. Custom adjustment of temperature trigger point Plugs into most stock KTM harnesses No cutting of fluid lines 30 watt draw Fits: KTM 250 EXC 2003-2005 250 EXCF 2007 400 EXC 2003-2005 400 EXCG 2006 450 EXC 2003-2006 525 EXC 2003-2005