39 truck cowl vent lever help needed

Thanks for everyones input so far. The weekend is almost here and I am getting ready to do battle with this vent linkage again. I think I have close to 40 hours working on getting this vent linkage to work.
 
This is harder than a rubix cube.
I have tried every combination with the linkages. I think I am missing a piece. It would be nice to find a picture of one in working condition. A picture is worth a thousand guesses.
 
I purchased all of the old V8 times on a thumb drive. Thought that maybe there would be some nugget in there. I searched the index for "cowl" and "vent" separately and found a few things that were worth looking into but none of them led to anything useful. Just thought you might like to know.
 
I purchased all of the old V8 times on a thumb drive. Thought that maybe there would be some nugget in there. I searched the index for "cowl" and "vent" separately and found a few things that were worth looking into but none of them led to anything useful. Just thought you might like to know.

Thank you for your efforts.
 
If you aren't already a member, consider joining the Early Ford V8 Club of America. Then you can search for 1939 truck owners and I'm sure someone who owns a truck with the same cab should be able to send you pictures of a complete and working assembly.
https://www.earlyfordv8.org/
 
On my 39 truck the cowl vent was wired shut from the under side and the linkages partially removed and ******* out of the way. I am trying to get it to work again and I took it out cleaned up the parts and have it back in place but I cant figure out how the linkages connect. I might be missing a piece or have it upside down. I tried searching for pictures or diagrams but only found info for sedan cowl vent linkages. So can any one with a truck take a few pictures up under the dash for me. Thanks

The linkage I have looks like the one in this picture.

My 39 Pickup had an aftermarket heater installed. Some fellow went nutso over it as he had never seen such a small version of a known model. The cowl handle just missed the round heater.
Clem Clement
 
Weather is warming up and I got some time to work on this vent on the weekend and I still don’t have it working. At full travel the vent barely opens.
 
Got it fixed. I was missing a part. Found a picture that showed the mounting spacer/standoff I did not have. I made a spacer and it all fits and works.
 
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