Between searching the forum and the link below managed to find my locking issue...
Troubleshooting the Toyota FJ80 Land Cruiser Center Diff Lock (CDL) | Pacific Northwest Backroad Adventures
We did pull the relay and used a 9v battery on the according pins in +/-....-/+ back and forth pattern to eventually un-stick my actuator. All my switches tested fine.
Good luck. Read through the above and let us know.