![So I just received my GA-FC and this EV-5 expression pedal for my Mk2 100w and I can't get the expression pedal to change from a master volume to a wah. I So I just received my GA-FC and this EV-5 expression pedal for my Mk2 100w and I can't get the expression pedal to change from a master volume to a wah. I](https://i.redd.it/ezm95jngvpj41.jpg)
So I just received my GA-FC and this EV-5 expression pedal for my Mk2 100w and I can't get the expression pedal to change from a master volume to a wah. I
![Hotone Wah Active Volume Passive Expression Guitar Effects Pedal Switchable Soul Press II 4 in 1 with Visible Guitar Effects Pedal : Amazon.co.uk: Musical Instruments & DJ Hotone Wah Active Volume Passive Expression Guitar Effects Pedal Switchable Soul Press II 4 in 1 with Visible Guitar Effects Pedal : Amazon.co.uk: Musical Instruments & DJ](https://m.media-amazon.com/images/I/71OY3UANpeS._AC_UF1000,1000_QL80_.jpg)
Hotone Wah Active Volume Passive Expression Guitar Effects Pedal Switchable Soul Press II 4 in 1 with Visible Guitar Effects Pedal : Amazon.co.uk: Musical Instruments & DJ
![Hotone Wah Active Volume Passive Expression Guitar Effects Pedal Switchable Soul Press II 4 in 1 with Visible Guitar Effects Pedal Hotone Wah Active Volume Passive Expression Guitar Effects Pedal Switchable Soul Press II 4 in 1 with Visible Guitar Effects Pedal](https://m.media-amazon.com/images/I/61dldmPv0wL.jpg)