2004-2006 Honda FourTrax Rancher TRX350TE/TM/FE/FM Service Manual, Page 391Get this manual
lIG HTSMETERSSWITCHES If the carburetor heater resistance is normal, check for continuity between the switch side connector terminals of the temperature switch 2P connec torAbove20 (68F)No Continuity Below(45F}: Continuity If it is abnorma l, replace th air emperat re swi chI0