I did end up with this.
Likely all 3 things in the front need replaced, or pump it.
The WGP jewelry is missing.
Ok, I just gave this a shot. Found a nice, fat o-ring of the same diameter and installed it, but it didn't help. Same deal. Any other ideas? I'm stumped
Two mags work just fine when the harness is not plugged in, but as soon as I plug it in one board turns off right away and the other board fires once