someotherguy
Truly Awesome
It is entirely possible it's an un-used connector. There are the occasional ones depending on year, model, equipment. Have you checked the factory service manual for your year model - there's wiring diagrams for each specific engine/transmission combination, might help you nail down that connector. Free downloads of these manuals in the "engine" section -> https://www.gmt400.com/threads/88-98-service-manuals.43575/
Richard
Richard