I bought a pair of these NOS GM foglights. These are the style used as valance mounted lights on the GMT400.
They were also used on a handful of other GM cars.
You must be registered for see images attach
I've seen some folks asking about the connectors for these, with comments that they aren't available any more and that most people just cut them off and replace them with a two prong Metripack connector.
You must be registered for see images attach
I poked around in the catalog and found the right connector.
You must be registered for see images attach
It's this Delphi 12015792 connector.
I bought a few from Mouser, along with the terminals and seals.
You must be registered for see images attach
And they fit perfectly.
You must be registered for see images attach