Can someone tell me what’s supposed to be plugged in here? ‘81 DT85

[Flandersab]

24501F04-40D6-4F7A-A8FE-3A40F09702C8.jpegHi,

I'm troubleshooting a no spark issue in my DT85 and noticed this empty connector coming from the red& yellow wire. I have a feeling that’s a bit suspect and maybe a factor in my current troubles. Does anyone have an opinion on where this goes?