Hi. I used to have a Dunlop Bass wah. I sold it to a kid I knew, who broke it immediately, and gave it back to me without me giving his money back. It sat on my shelf for a long time and I want to use it again. When it's hooked up and powered, the signal goes through to the amp, so the jacks and everything in between are fine. But when I press on the pedal, nothing happens. Yes, the knobs are set to full. Could it be a bad pot? Can I get a replacement for it? And lastly, could I use the pot in a volume pedal in my wah? Thanks.