då kan det vara att det är elementen/handtagsvärmarna som har lagt av eftersom du ej har någon värme fast lampan lyser men mät upp dom så här står det i boken ang handtagsvärmarna 1 disconnect the handlebar heater elements from the main wiring harness and the handlebar heater switch ,,2 connect the ohm meter between the handlebar heater element lead wires,,3 the ohm meters must read between 3.5 and 5.5 ohm if the ohm meters indicates less than3.5 ohms or more than 5.5 ohms proceed to step 4 ,,,4 disconnect any one of the four handlebar heater element lead wires from the others so that each element can be measured separately .5 connect the ohm meter to one element at a time .an individual element must indicate no less than 7 ohm or no more than 11 ohms NOTE OVERHEATING WILL OCCUR ON ELEMENTS MEASURING LESS THAN 7 OHMS AND INSUFFFICIENT HEATING WILL OCCUR ON ELEMENTS MEASUREING MORE THAN 11 OHMS. replace any element measuring less than 7 ohms or more than 11ohms kolla upp detta så kanske du hittar felet men skriv igen om du vill ha mer info om tumvärmarens ohm värden