I've been trying to add plugins to MIDI instruments in the Mixer with varying success.

I've got PG Reverb working in the Master track, but adding PG Distortion or any other plugin to the Guitar [Default Synth]: CoyoteWT track has no effect on its sound. When I tried a 3rd party Waves plugin, the plugin indicated that it was not receiving a signal from the Guitar synth. Why is that?

If I click on the Guitar track and select, "Show Plugin Window," I get a dialog titled, "[Guitar] [Slot 1]", however that dialog displays a dozen other instruments without any apparent relation to the Guitar. I'm confused, and a little frustrated.

I searched online for a relevant tutorial video, but if the tutorial is more than two years old it doesn't seem to be dealing with a version of BIAB as I know it. Any suggestions? A relevant tutorial? Thanks.