thumbs_up The online old car manuals will help. Back then, the engineers were so proud and exited about electricity in an auto, that they practically wrote a text book about every aspect of it in the shop manual. As the years went by, less and less education in those manuals. More troubleshooting and R&R.

http://chevy.oldcarmanualproject.com/shop/1942_47/index.htm
http://chevy.oldcarmanualproject.com/shop/1947truck/index.htm


Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn