i had same problem and googld it and the crazy squirrel site had the answer how to do or if u cant find that jiggle two slim bladed knives either side of yellow on/off switch and pop switch off you will then see a star alankey type screw undo that and your switch housing will lift up and you can then see the switch connections and either cut back wire or test or get new switch hope this is of some help -francis.maher
francis maher, September 2009