Found some other pictures. Looks like it would have something to do with vacuum. One hose goes inside the cab and the other looks to have been connected to the intake manifold. Thanks for the information.
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IMG_2030a.jpg (106.74 KB, 178 downloads)
IMG_3042a.jpg (109.13 KB, 178 downloads)
IMG_3043a.jpg (106.05 KB, 178 downloads)

~ John in Utah
1946 1/2Ton w/4-speed manual transmission w/1960 235 engine
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