Got a truckmount problem I can't figure out. Anyone using a diesel burner please help.

I helped @RoboShark replace his pressure regulator the other day when he was here in Vegas. We needed a couple new hoses so we never got to fire it up and test it while I was with Robo. Anyway we have everything put together now and the regulator works just as it should with the exception of the fact that the burner is firing all the time now instead of only when the wand is triggered.

We re-plumbed everything real simple:

The hose coming out of the cat pump goes directly...

Got a truckmount problem I can't figure out. Anyone using a diesel burner please help.