If your truck is supposed to have one there should be a hole in the lower core support matching the shape of the crank. I'm with Stuart in that I don't believe a 51 had a hand crank. I guess that means if he's all wet I'll need a towel too.

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.