... then call the Caldwell boys.
http://www.bmts.com/~caldwell/
Jeff and Dan have a CMP site that offers a few bits and parts for the well dressed CMP restoration. They are called 'Convoy Lights' in the parts for sale section. I don't have one of them in front of me, but I suspect that they will be top notch stuff, as they restorations are very good.
You best wait for spring, as it is -40 degrees C with the wind chill, and too cold to do anything but sit by the fire and read a CMP manual. All roads closed near Chatsworth where the Caldwell clan resides.
Stewart
Jeff/Dan - as it is not much warmer in B'Ville the speedo cable goes unmeasured ...