i have a few extra parts from my '66 build that's underway:
vaccuum wiper motors a total of 4, 2 are still installed, but if you need um iI will yank the out. make offer, tell me what they are worth.
newer electric wiper motor
wiper linkage
wiper cover, dirty but solid no cracks
wiper wiring harness
pictures below

I also have a 2 barrel intake manifold in good but dirty shape
an Autolite 2 barrel carb, ran before i put the Bronco in storage which allowed #7 cylinder to rust up seizing the engine (the reason the block went to the machine shop), could probably use a rebuild. I will dig these out when i get a chance and post photos.

I still have the 6 cylinder Radiator


Reallytallman-'66 U15 Wagon, with '68 289-a work in progress

I can't tell from the pics, but early 66's had a vacuum wiper that was slightly different from the later ones. They had a 'helper' handle to manually operate the wiper. They are hard to come by and worth more than the others.

If you are interested, I was keeping track of all the 66 oddities on a thread here. I haven't updated it in a while, I sold the truck to Kinder here, but there is a lot of good 66 info in one place:

viewtopic.php?f=5&t=8240

My truck is a later January '66 build. the 4 vacuum motors I have do not have the manual assist handle. I plan to install electric motors. The unit Bronco Hut has looks like the best option, though I may just go with individual motors like an early CJ2 or CJ3. maybe even boat motors.

I have an actual EB electric setup if you are interested

The spacing between the wipers is different with the vacuum wipers and the electric wipers. So you'll have to modify the linkage or drill new holes in the window frame. Or use the individual electric wipers.