Here are some better pics of the plug and some of the problem areas.

Still not sure if I should try to unplug it or even remove it at all. to me those pins don't look like they should be pulled out or pried on.

If it is just the protective coating that has come off is the copper underneath it ok? I can see the copper on some of it but other parts are just white not sure if the copper is under that or missing.

I will still be checking continuity later this evening and get back with the results.

Thank you all again for your help. I would much rather ask stupid questions here than screw up parts that were basically okay to begin with.
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62' GMC Fleetside 3/4 ton 235 4-speed.
Time makes fools of us all.