I was thinking with this pedal yesterday and finally got around to producing sound out of it and sounded really good, but after I fixed the suspected problem, I get no sound when the pedal is engaged.
As I took this, my pre bonded cable I had purchased had snapped off and all of these pre bonded ones from Love My Switches are very fragile.
The cable that snapped was my ground.
poor ground connection could certainly cause issues, if you think the cables are not making adequate contact or connection I would definitely re wire them.