To restring the day/night shades, here is the diagram for the route the string takes:
I also posted this in the forum dealing with interior repairs.
I was able to buy suitable string at Walmart (in their sewing section), as well as a large blunt-nosed needle (called a wool needle). I have ordered new "tie down buttons" from United Shades in Elkhart IN, but for some I just used small angle brackets.
It takes about an hour to do a shade (for a newbee).
BTW, I got about 12-1/2mpg with my LY94 towing my VW with a tow dolly going from Ottawa Canada to Gettyburg PA, moving along at 65 mph. Oh, yes, my engine is the Cummins 5.9.