Electric connectors needed for 69 CST/10

[FirstOwner69]

Originally Posted by dmjlambert

I would like to ask if anybody knows about the part I am pointing to with the arrow on the AC compressor connector? It looks like perhaps it is a diode. I'm not sure if that was integrated with the old connector or added by somebody for some reason. I don't see it on the wiring diagram.

That is correct. It came that way from GM. If I recall correctly mine was wrapped with electrical tape that started on the connector and went just far enough to cover whatever that is since the truck was new.