do you have a high trim truck from the late 80s(I think you have more than one truck?)
There are seals that go on the door panel, by the handle, and on the door that are not found on all trucks, but could be added. The part numbers likely are no good anymore but the diagrams were helpful to show how to install and thus someone could do it if they found suitable products.
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I Do apologize for the PDF being long and possibly small text, its a long TSB and capturing it in one screenshot made it more clear and flowing. Heres a quick snippet of whats in the pdf:
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also found this:
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