42 Mercury Sedan Idles Then Dies Video

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Here is pic of wire running to small condensor shaped cylinder on front of carb. Have no idea what it does or does not do. If the upper butterfly plate is the choke plate, it does not move from cold start to warm up. This plate is connected to a cable that runs to the dash and when I pull it out the carb accelerates and the plate closes, but I'm thinking this is a throttle cable. Today when feeling what moves and what doesn't, the gas pedal linkage rod that connects to the lower part of the carb works in and out and the upper plate and cable do not move. So, maybe the cable at the uper linkeage is choke and it is a manual choke. So, if so, what is the wire connected to? It runs down into a loom so I cannot trace it easily, but presume it just runs to power.
I do not feel any part numbers or manufacturer name on this carb, so I wouldn't even know where to begin to get a kit if I wanted to get this one back in action.