I ask these same questions some time back sis when I was working on the interior in my 49. Here is the link.

https://www.stovebolt.com/ubbthreads/ubbthreads.php/topics/1342980/1.html


"If you can't fix it with duct tape it's an electrical problem"
1949 5 Window 3100
Follow in the DITY
Veteran of the USAF
My Website