The front and rear lights bundle goes thru the firewall. Then they split. Rear goes down firewall and into frame rail and on back. Front bundle goes down left fender to left side lights and crosses over radiator support to right side lights. Click on pic to expand. There are lots of pic on the internet. "1947 Chevy truck engine" "1947 chevy truck wiring" etc.
Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn