Scott,
I have a Shockwave and the Fox Jack 3. The Fox Jack went caput, Called the place I bought it (allpredatorcalls.com) and they have sent me out a no charge replacement. No shipping charges etc..... I will box the old one up and send it back to them so they can recoup their monies from FoxPro.
The problem with mine was? Well, I don't even know? The light on the top would come on but the motor stopped working?
Thanks to AP at allpredatorcalls.com I should have my replacement before this weekends hunt.
Best of luck to you!