If your Guitar Hero guitar has got strumming problems, this is the answer. Quick and easy solution to the strumming (usually downstrumming) not working AND phantom strumming, where the strummer activates without you touching it - both are caused by the switch failing. Compatible with all official Guitar Hero World Tour controllers (pictured in listing image) that have the touch slider on the neck (note - not compatible with GH3 Guitars or the very newest Band Hero and GH5 guitars which have the red/white faceplate). Simple Repair Instructions: Step 1:Remove Neck and Faceplate. Step 2:Remove Screws 11 torx screws (T10) on body of guitar using torx screwdriver. Remove 4 phillips head screws at top of body using phillips head screwdriver. Step 3:Open Guitar by Splitting Case Halves Apart. Examine switchbutton circuit board to determine which switch is strum up and strum down. Step 4:Unscrew 4 corner screws on the Switchbutton Circuit Board. Step 5:Desolder & Remove Old Switches using soldering iron and desoldering pump (recommended). Step 6:Solder in New Switches. Step 7:Reassemble Guitar. There is also a YouTube repair video I can send you the link to after purchase upon request.