2004 Yukon SLT

[04 Yukon SLT]

This could still be the connector housing. I used one similar to this which has both 4 and 7 pole.
https://www.etrailer.com/Custom-Fit-Vehicle-Wiring/GMC/Yukon/2004/HM40975.html?vehicleid=20041172788

I upgraded to this one yesterday. Everything seems to be working great now.