Well, I burned up some satellite Internet minutes last night and found out that this is totally possible. It's just a plug and play module and switch that gets replaced.
Switch:
http://www.brotherstrucks.com/prodinfo.asp?number=WWS083P
http://www.classicparts.com/mobile/1978-83-Windshield-Wiper-Switch/productinfo/67-656B/#.VERsR9m9LTo
Module:
http://www.classicparts.com/mobile/...ntrol-Module/productinfo/67-682/#.VEUWotm9Kc0
I ordered them up, let's see just how easy it is!