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wiper motor painted black based on all I've seen.For the rubber inserts, did you look at the Osborn manual yet? Do you have it? I can take a look tomorrow when I'm in the shop
Can anyone confirm if the wiper motor was gold dichromate. I am not sure if the remnants are gold dichromate or something else.
I have see several motors that I thought were bare steel. I guess they could have had a light zinc dichromate coating that did no told up. They were defiantly not painted black because of the date stamps are intact.
Checked my pictures and found about a dozen examples ( all 68 San Jose around the same period as yours) all painted black. One example (think its the lacquer as mentioned earlier) where 90% of the paint was missing. Just reporting back:)
For mounting hardware, I found these pictures. In the first picture, third item down from the top, is the rubber grommet. The fourth item down is a tubular sleeve, flanged on one end, that prevents the rubber from being crushed.Second picture is a close up of the grommet.Third picture is when installed. You can see one side of the grommet.Hopefully this helps.
After looking at the Ford fastener catalog (1969) it looks like it is a type 3 grommet. But the only one listed is part 353630. You can check those dimensions against your bracket and bolt.But I still suggest that you look at the assembly manual. Another source (that I did not check) is Jim's fastener spreadsheet. I would think that the bolt is covered, not sure about the grommet.