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It is easiest to work on with the cable out of the truck. The housing and such can be left in the truck.
Undo the choke cable from the carb linkage, but do not loosen the cable housing from the clamp on the carb. Straighten the cable and from inside the truck pull the cable out.
When I re-did the ***** on my truck, DC had some replacement ***** that were threaded and retained with a set screw. Wiper or heater *****, 10/32 threads, maybe? It's been 20+ years and I don't remember the specifics.
I removed the original choke ****, and as I remember, I threaded the choke shaft and used one of the threaded replacement *****. Seems I did the same for some of the other *****, as well.