Quote Originally Posted by DMC5180 View Post
The thing that puzzles me is the 2 wire connector includes the ground return wire, yet you stated you had continuity to the header panel and the black harness side single wire connector. If the plug was disconnected as the picture shows then that shouldn't have been possible.
That's a good point. Not sure why that worked the way it did but my guess is that the ground to the plug behind the grille is probably shared with something else in the wire bundle that was still connected to the frame. But if I'm wrong, then it is indeed weird!