All lugs tight? Don't know what the other gizmo with fuses is. But nevertheless, do you have proper voltage on the shore cable lugs on the shore power relay inside the transfer switch? If yes, and the genny powers everything ok it would indicate the shore relay is suspect. If no power on the shore power lugs, then something back toward the pedistal.
Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.