Hi @SchroederB ,
I have created that topic for you since where you originally posted was a different issue.
See similar report for the C172 (Ski): C172 (Ski) interior spot light
See also, maybe can help:
Flashing light inside aircraft cabin (Solved!) - #3 by LarryJ2056
Flashing light inside aircraft cabin (Solved!) - #10 by DocTor2504