SMF for DIYStompboxes.com!
What do you have connected to what (in, out, send, return)? That jumper merely grounds the send (the loop input) when in bypass - it is lifted when either switch is on.
I probably overheated the switch.
Latch off / Mom off: Loop SignalLatch on / Mom off: Loop SignalLatch on / Mom on: Loop SignalLatch off / Mom on: Input Signal