After further evaluation, I suspect the Thomas FCC AM/FM is a little too wide for a slip-in style adapter as shown here. A little hacking and it will slide into the. hole that the ashtray sits in though.
From Misfortune to Light of a New Day: Setting Up the Replacement Truck - https://forum.ih8mud.com/threads/from-misfortune-to-light-of-a-new-day-setting-up-the-replacement-truck.1326951/post-15261402
From Misfortune to Light of a New Day: Setting Up the Replacement Truck - https://forum.ih8mud.com/threads/from-misfortune-to-light-of-a-new-day-setting-up-the-replacement-truck.1326951/post-15261402
