This new UPDATED HEAVY DUTY SWITCH replaces 2 previous models used since 1998. Failure of old switches, black or red with copper colored tabs, include being stuck in the on or off position. Melting of terminals or wiring. The new switch has three inch wire leads and is back manufactured to fit models to 1998. Push model uprights have switch in back of top tool cover, or on top left side of body. Remove handle assembly and back wiring covers. Self Propelled models have switch in back of the tool cover. OEM Hoover. Sold Each.