Jose G Covington , GA September 27, 2015 Appliance: General Electric Electric Range JV347H1WW Ge Hood Jv347h1ww: Replace light switch and fan switch. How to replace Range Hood Fan Speed Control Switch. Turn off power off at main circuit remove nobs remove hex nuts remove the cover exposing the switches remove the wires (one at a time by inserting a small screwdriver in the wire slot of the old switch . MAKE SURE THE POWER IS OFF) , compare the number on the back of the old switch to the new switch when installing the wires 15 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes