Voodoo Lab

Update: The channels changes just fine until I plug anything into the input of the amp or try to set up the second cable to turn on and off the solo boost.

So I finally got my whole system up and running with a few pedals in the loop of my amp and two channels on the gcp dedicated to channel switching on my amp (Mesa Boogie Single Rectifier). The gcx/gcp worked perfectly switching from channel 1 to channel 2 in my test run. But once I hooked up the las...