Mauric,
Here is the wiring diagram for the 46.
Radio not shown but you could hook onto the Dome Light at the ignition switch(Panel Truck) since the pickup does not have one.
Just find a switched "hot" lead.
http://chevy.oldcarmanualproject.com/electrical/wiring/pdf/46truck.pdf
Harold

Last edited by Harold46; 05/28/2012 10:06 PM.

Harold
Is a restoration ever finished?